0001781870FALSE--12-312024Q1xbrli:sharesiso4217:USDiso4217:USDxbrli:sharesxbrli:purenmg3:investmentnmg3:component00017818702024-01-012024-03-3100017818702024-05-1400017818702024-03-3100017818702023-12-310001781870srt:AffiliatedEntityMember2024-03-310001781870srt:AffiliatedEntityMember2023-12-310001781870us-gaap:NonrelatedPartyMember2024-03-310001781870us-gaap:NonrelatedPartyMember2023-12-3100017818702023-01-012023-03-3100017818702022-12-3100017818702023-03-310001781870nmg3:InvestmentsIncludingDelayedDrawFacilitiesMember2024-01-012024-03-310001781870nmg3:InvestmentsIncludingDelayedDrawFacilitiesMember2023-01-012023-03-310001781870nmg3:InvestmentsExcludingDrawnRevolversMember2024-01-012024-03-310001781870nmg3:InvestmentsExcludingDrawnRevolversMember2023-01-012023-03-310001781870nmg3:DrawnRevolversMember2024-01-012024-03-310001781870nmg3:DrawnRevolversMember2023-01-012023-03-310001781870nmg3:WellsCreditFacilityMember2024-01-012024-03-310001781870nmg3:WellsCreditFacilityMember2023-01-012023-03-310001781870Recorded Future, Inc., First Lien 12024-03-310001781870Recorded Future, Inc., First Lien 22024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:RecordedFutureIncMember2024-03-310001781870GS Acquisitionco, Inc., First Lien 2024-03-310001781870AAH Topco, LLC, First Lien 12024-03-310001781870AAH Topco, LLC, First Lien 22024-03-310001781870AAH Topco, LLC, Subordinated2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:AAHTopcoLLCMember2024-03-310001781870OA Buyer, Inc., First Lien 12024-03-310001781870OA Buyer, Inc., First Lien 22024-03-310001781870OA Buyer, Inc., First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:OABuyerIncMember2024-03-310001781870Legal Spend Holdings, LLC (fka Bottomline Technologies, Inc.), First Lien 2024-03-310001781870Al Altius US Bidco, Inc., First Lien 12024-03-310001781870Al Altius US Bidco, Inc., First Lien 22024-03-310001781870nmg3:AlAltiusUSBidcoIncMembernmg3:FundedDebtSecuritiesMember2024-03-310001781870KWOR Acquisition, Inc., First Lien 2024-03-310001781870KWOR Acquisition, Inc., First Lien- Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:KWORAcquisitionIncMember2024-03-310001781870Notorious Topco, LLC, First Lien 12024-03-310001781870Notorious Topco, LLC, First Lien 22024-03-310001781870Notorious Topco, LLC, First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:NotoriousTopcoLLCMember2024-03-310001781870Diamondback Acquisition, Inc., First Lien 2024-03-310001781870GraphPAD Software, LLC, First Lien 12024-03-310001781870GraphPAD Software, LLC, First Lien 22024-03-310001781870GraphPAD Software, LLC, First Lien 32024-03-310001781870GraphPAD Software, LLC, First Lien 42024-03-310001781870GraphPAD Software, LLC, First Lien 52024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:GraphPADSoftwareLLCMember2024-03-310001781870CCBlue Bidco, Inc., First Lien 12024-03-310001781870CCBlue Bidco, Inc., First Lien 22024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:CCBlueBidcoIncMember2024-03-310001781870Anaplan, Inc., First Lien 2024-03-310001781870IG Investments Holdings, LLC, First Lien 2024-03-310001781870Wealth Enhancement Group, LLC, First Lien 12024-03-310001781870Wealth Enhancement Group, LLC, Subordinated2024-03-310001781870Wealth Enhancement Group, LLC, First Lien 22024-03-310001781870Wealth Enhancement Group, LLC, First Lien 32024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:WealthEnhancementGroupLLCMember2024-03-310001781870Associations, Inc., First Lien 12024-03-310001781870Associations, Inc., First Lien 22024-03-310001781870Associations, Inc., First Lien 32024-03-310001781870Associations, Inc., First Lien 42024-03-310001781870Associations, Inc., First Lien 52024-03-310001781870Associations, Inc., First Lien - Drawn 2024-03-310001781870nmg3:AssociationsIncMembernmg3:FundedDebtSecuritiesMember2024-03-310001781870Ocala Bidco, Inc., First Lien 2024-03-310001781870Ocala Bidco, Inc., First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:OcalaBidcoInc.Member2024-03-310001781870Auctane Inc. (fka Stamps.com Inc.), First Lien 12024-03-310001781870Auctane Inc. (fka Stamps.com Inc.), First Lien 22024-03-310001781870nmg3:AuctaneIncFkaStampscomIncMembernmg3:FundedDebtSecuritiesMember2024-03-310001781870DECA Dental Holdings LLC, First Lien 12024-03-310001781870DECA Dental Holdings LLC, First Lien 22024-03-310001781870DECA Dental Holdings LLC, First Lien 32024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:DECADentalHoldingsLLCMember2024-03-310001781870iCIMS, Inc., First Lien 12024-03-310001781870iCIMS, Inc., First Lien 22024-03-310001781870iCIMS, Inc., First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:ICIMSIncMember2024-03-310001781870Pioneer Buyer I, LLC, First Lien 12024-03-310001781870Pioneer Buyer I, LLC, First Lien 22024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:PioneerBuyerILLCMember2024-03-310001781870FS WhiteWater Borrower, LLC, First Lien 12024-03-310001781870FS WhiteWater Borrower, LLC, First Lien 22024-03-310001781870FS WhiteWater Borrower, LLC, First Lien 32024-03-310001781870FS WhiteWater Borrower, LLC, First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:FSWhiteWaterBorrowerLLCMember2024-03-310001781870Sun Acquirer Corp., First Lien 12024-03-310001781870Sun Acquirer Corp., First Lien 22024-03-310001781870Sun Acquirer Corp., First Lien 32024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:SunAcquirerCorpMember2024-03-310001781870Foreside Financial Group, LLC, First Lien 2024-03-310001781870Infogain Corporation, Subordinated2024-03-310001781870Infogain Corporation, First Lien 12024-03-310001781870Infogain Corporation, First Lien 22024-03-310001781870nmg3:InfogainCorporationMembernmg3:FundedDebtSecuritiesMember2024-03-310001781870Fortis Solutions Group, LLC, First Lien 12024-03-310001781870Fortis Solutions Group, LLC, First Lien - Drawn 12024-03-310001781870Fortis Solutions Group, LLC, First Lien - Drawn 22024-03-310001781870Fortis Solutions Group, LLC, First Lien 22024-03-310001781870nmg3:FortisSolutionsGroupLLCMembernmg3:FundedDebtSecuritiesMember2024-03-310001781870Galway Borrower LLC, First Lien 2024-03-310001781870Galway Borrower LLC., First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:GalwayBorrowerLLCMember2024-03-310001781870CFS Management, LLC, First Lien 12024-03-310001781870CFS Management, LLC, First Lien 22024-03-310001781870CFS Management, LLC, First Lien 32024-03-310001781870CFS Management, LLC, First Lien 42024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:CFSManagementLLCMember2024-03-310001781870Icebox Holdco III, Inc., Second Lien 2024-03-310001781870Pye-Barker Fire & Safety, LLC, First Lien 12024-03-310001781870Pye-Barker Fire & Safety, LLC, First Lien 22024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:PyeBarkerFireSafetyLLCMember2024-03-310001781870OEConnection LLC, Second Lien 12024-03-310001781870OEConnection LLC, Second Lien 22024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:OEConnectionLLCMember2024-03-310001781870Kaseya Inc., First Lien 12024-03-310001781870Kaseya Inc., First Lien - Drawn 2024-03-310001781870Kaseya Inc., First Lien 22024-03-310001781870nmg3:KaseyaIncMembernmg3:FundedDebtSecuritiesMember2024-03-310001781870Idera, Inc., Second Lien 2024-03-310001781870MRI Software LLC, First Lien 12024-03-310001781870MRI Software LLC, First Lien 22024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:MRISoftwareLLCMember2024-03-310001781870Businessolver.com, Inc., First Lien 2024-03-310001781870Businessolver.com, Inc., First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:BusinessolvercomIncMember2024-03-310001781870TRC Companies L.L.C. (fka Energize Holdco LLC), Second Lien 2024-03-310001781870Bullhorn, Inc., First Lien 12024-03-310001781870Bullhorn, Inc., First Lien 22024-03-310001781870Bullhorn, Inc., First Lien 32024-03-310001781870Bullhorn, Inc., First Lien 42024-03-310001781870Bullhorn, Inc., First Lien 52024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:BullhornIncMember2024-03-310001781870USRP Holdings, Inc., First Lien 2024-03-310001781870MED Parentco, LP, Second Lien 2024-03-310001781870Avalara, Inc., First Lien 2024-03-310001781870DOCS, MSO, LLC, First Lien 2024-03-310001781870OB Hospitalist Group, Inc., First Lien 2024-03-310001781870OB Hospitalist Group, Inc., First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:OBHospitalistGroupIncMember2024-03-310001781870Foundational Education Group, Inc., Second Lien 2024-03-310001781870Diligent Corporation, First Lien 12024-03-310001781870Diligent Corporation, First Lien 22024-03-310001781870Diligent Corporation, First Lien 32024-03-310001781870Diligent Corporation, First Lien - Drawn 2024-03-310001781870Diligent Corporation, First Lien 42024-03-310001781870Diligent Corporation, First Lien 52024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:DiligentCorporationMember2024-03-310001781870TigerConnect, Inc., First Lien 2024-03-310001781870TigerConnect, Inc., First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:TigerConnectIncMember2024-03-310001781870Daxko Acquisition Corporation, First Lien 12024-03-310001781870Daxko Acquisition Corporation, First Lien 22024-03-310001781870Daxko Acquisition Corporation, First Lien - Drawn 12024-03-310001781870Daxko Acquisition Corporation, First Lien - Drawn 22024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:DaxkoAcquisitionCorporationMember2024-03-310001781870HS Purchaser, LLC / Help/Systems Holdings, Inc., Second Lien 2024-03-310001781870Relativity ODA LLC, First Lien 2024-03-310001781870Project Essential Bidco, Inc., First Lien 2024-03-310001781870NMC Crimson Holdings, Inc., First Lien 12024-03-310001781870NMC Crimson Holdings, Inc., First Lien 22024-03-310001781870nmg3:NMCCrimsonHoldingsIncMembernmg3:FundedDebtSecuritiesMember2024-03-310001781870ACI Group Holdings, Inc., First Lien 12024-03-310001781870ACI Group Holdings, Inc., First Lien 22024-03-310001781870ACI Group Holdings, Inc., First Lien - Drawn 12024-03-310001781870ACI Group Holdings, Inc., First Lien - Drawn 22024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:ACIGroupHoldingsIncMember2024-03-310001781870DCA Investment Holding, LLC, First Lien 12024-03-310001781870DCA Investment Holding, LLC, First Lien 22024-03-310001781870DCA Investment Holding, LLC, First Lien 32024-03-310001781870DCA Investment Holding, LLC, First Lien 42024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:DCAInvestmentHoldingLLCMember2024-03-310001781870Syndigo LLC, Second Lien 2024-03-310001781870Allworth Financial Group, L.P., First Lien 12024-03-310001781870Allworth Financial Group, L.P., First Lien 22024-03-310001781870Allworth Financial Group, L.P., First Lien 32024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:AllworthFinancialGroupLPMember2024-03-310001781870DG Investment Intermediate Holdings 2, Inc., Second Lien 2024-03-310001781870Specialtycare, Inc., First Lien 12024-03-310001781870Specialtycare, Inc., First Lien 22024-03-310001781870Specialtycare, Inc., First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:SpecialtycareIncMember2024-03-310001781870PDQ.com Corporation, First Lien 2024-03-310001781870PDQ.com Corporation, First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:PDQcomCorporationMember2024-03-310001781870AmeriVet Partners Management, Inc., First Lien 12024-03-310001781870AmeriVet Partners Management, Inc., First Lien 22024-03-310001781870AmeriVet Partners Management, Inc., First Lien 32024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:AmeriVetPartnersManagementIncMember2024-03-310001781870GC Waves Holdings, Inc., First Lien 2024-03-310001781870Beacon Pointe Harmony, LLC, First Lien 12024-03-310001781870Beacon Pointe Harmony, LLC, First Lien 22024-03-310001781870Beacon Pointe Harmony, LLC, First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:BeaconPointeHarmonyLLCMember2024-03-310001781870Maverick Bidco Inc., Second Lien 2024-03-310001781870CRCI Longhorn Holdings, Inc., Second Lien 2024-03-310001781870Trinity Air Consultants Holdings Corporation, First Lien 2024-03-310001781870Trinity Air Consultants Holdings Corporation, First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:TrinityAirConsultantsHoldingsCorporationMember2024-03-310001781870KPSKY Acquisition Inc., First Lien 12024-03-310001781870KPSKY Acquisition Inc., First Lien 22024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:KPSKYAcquisitionIncMember2024-03-310001781870CG Group Holdings, LLC, First Lien 2024-03-310001781870CG Group Holdings, LLC, First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:CGGroupHoldingsLLCMember2024-03-310001781870Radwell Parent, LLC, First Lien 2024-03-310001781870Radwell Parent, LLC, First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:RadwellParentLLCMember2024-03-310001781870Huskies Parent, Inc., First Lien 2024-03-310001781870Huskies Parent, Inc., First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:HuskiesParentIncMember2024-03-310001781870Smile Doctors LLC, First Lien 2024-03-310001781870Smile Doctors LLC, First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:SmileDoctorsLLCMember2024-03-310001781870Ministry Brands Holdings, LLC, First Lien 12024-03-310001781870Ministry Brands Holdings, LLC, First Lien 22024-03-310001781870Ministry Brands Holdings, LLC, First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:MinistryBrandsHoldingsLLCMember2024-03-310001781870EAB Global, Inc., Second Lien 2024-03-310001781870Safety Borrower Holdings LLC, First Lien 2024-03-310001781870Safety Borrower Holdings LLC, First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:SafetyBorrowerHoldingsLLCMember2024-03-310001781870Community Brands ParentCo, LLC, First Lien 2024-03-310001781870YLG Holdings, Inc., First Lien 2024-03-310001781870YLG Holdings, Inc., First Lien - Drawn 2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:YLGHoldingsIncMember2024-03-310001781870RealPage, Inc., Second Lien 2024-03-310001781870Calabrio, Inc., First Lien 2024-03-310001781870Therapy Brands Holdings LLC, Second Lien 2024-03-310001781870IMO Investor Holdings, Inc., First Lien 2024-03-310001781870IMO Investor Holdings, Inc., First Lien - Drawn 12024-03-310001781870IMO Investor Holdings, Inc., First Lien - Drawn 22024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:IMOInvestorHoldingsIncMember2024-03-310001781870TMK Hawk Parent, Corp., First Lien 2024-03-310001781870TMK Hawk Parent, Corp., Subordinated2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:TMKHawkParentCorpMember2024-03-310001781870Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC), First Lien 2024-03-310001781870Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC), First Lien - Drawn2024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:BambooHealthHoldingsLLCFkaApprissHealthLLCMember2024-03-310001781870Mamba Purchaser, Inc., Second Lien 2024-03-310001781870Cloudera, Inc., Second Lien 2024-03-310001781870AG Parent Holdings, LLC, First Lien 2024-03-310001781870MH Sub I, LLC (Micro Holding Corp.), Second Lien 2024-03-310001781870Kele Holdco, Inc., First Lien2024-03-310001781870Virtusa Corporation, Subordinated2024-03-310001781870New Trojan Parent, Inc., Second Lien 2024-03-310001781870nmg3:FundedDebtSecuritiesMemberus-gaap:InvestmentUnaffiliatedIssuerMembercountry:US2024-03-310001781870Aston FinCo S.a r.l. / Aston US Finco, LLC, Second Lien 2024-03-310001781870nmg3:FundedDebtSecuritiesMemberus-gaap:InvestmentUnaffiliatedIssuerMembercountry:GB2024-03-310001781870Project Boost Purchaser, LLC, Second Lien 2024-03-310001781870nmg3:FundedDebtSecuritiesMemberus-gaap:InvestmentUnaffiliatedIssuerMembercountry:CA2024-03-310001781870nmg3:FundedDebtSecuritiesMemberus-gaap:InvestmentUnaffiliatedIssuerMember2024-03-310001781870Dealer Tire Holdings, LLC, Preferred shares 2024-03-310001781870OEC Holdco, LLC, Preferred shares 2024-03-310001781870ACI Parent Inc. , Preferred shares 2024-03-310001781870Knockout Intermediate Holdings I Inc., Preferred shares 2024-03-310001781870Project Essential Super Parent, Inc., Preferred shares 2024-03-310001781870Diligent Preferred Issuer, Inc., Preferred shares 2024-03-310001781870Bamboo Health Intermediate Holdings (fka Appriss Health Intermediate Holdings, Inc.), Preferred shares2024-03-310001781870Ambrosia Holdco Corp (15), Ordinary shares 12024-03-310001781870Ambrosia Holdco Corp (15), Ordinary shares 22024-03-310001781870nmg3:FundedDebtSecuritiesMembernmg3:AmbrosiaHoldcoCorpMember2024-03-310001781870Pioneer Topco I, L.P., Ordinary shares 2024-03-310001781870nmg3:FundedDebtSecuritiesMembercountry:USnmg3:PioneerTopcoIL.P.Member2024-03-310001781870us-gaap:InvestmentUnaffiliatedIssuerMemberus-gaap:EquitySecuritiesMember2024-03-310001781870us-gaap:InvestmentUnaffiliatedIssuerMembernmg3:FundedSecuritiesMember2024-03-310001781870KWOR Acquisition, Inc., First Lien - Undrawn 2024-03-310001781870AAH Topco, LLC, First Lien - Undrawn 2024-03-310001781870Allworth Financial Group, L.P., First Lien - Undrawn 2024-03-310001781870AmeriVet Partners Management, Inc., First Lien - Undrawn 2024-03-310001781870Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC), First Lien - Undrawn 2024-03-310001781870Associations, Inc., First Lien - Undrawn 2024-03-310001781870Avalara, Inc., First Lien - Undrawn 2024-03-310001781870Beacon Pointe Harmony, LLC, First Lien - Undrawn 12024-03-310001781870Beacon Pointe Harmony, LLC, First Lien - Undrawn 22024-03-310001781870nmg3:BeaconPointeHarmonyLLCMembernmg3:UnfundedDebtSecuritiesMember2024-03-310001781870Bullhorn, Inc., First Lien - Undrawn 2024-03-310001781870Businessolver.com, Inc., First Lien - Undrawn 2024-03-310001781870Daxko Acquisition Corporation, First Lien - Undrawn 12024-03-310001781870Daxko Acquisition Corporation, First Lien - Undrawn 22024-03-310001781870nmg3:DaxkoAcquisitionCorporationMembernmg3:UnfundedDebtSecuritiesMember2024-03-310001781870Diligent Corporation, First Lien - Undrawn 2024-03-310001781870Foreside Financial Group, LLC, First Lien - Undrawn 12024-03-310001781870Foreside Financial Group, LLC, First Lien - Undrawn 22024-03-310001781870nmg3:ForesideFinancialGroupLLCMembernmg3:UnfundedDebtSecuritiesMember2024-03-310001781870Fortis Solutions Group, LLC, First Lien - Undrawn 12024-03-310001781870Fortis Solutions Group, LLC, First Lien - Undrawn 22024-03-310001781870nmg3:FortisSolutionsGroupLLCMembernmg3:UnfundedDebtSecuritiesMember2024-03-310001781870Galway Borrower LLC, First Lien - Undrawn 2024-03-310001781870iCIMS, Inc., First Lien - Undrawn 12024-03-310001781870iCIMS, Inc., First Lien - Undrawn 22024-03-310001781870nmg3:ICIMSIncMembernmg3:UnfundedDebtSecuritiesMember2024-03-310001781870Infogain Corporation, First Lien - Undrawn 2024-03-310001781870Ocala Bidco, Inc., First Lien - Undrawn 2024-03-310001781870IG Investments Holdings, LLC, First Lien - Undrawn 2024-03-310001781870Kaseya Inc., First Lien - Undrawn 12024-03-310001781870Kaseya Inc., First Lien - Undrawn 22024-03-310001781870nmg3:KaseyaIncMembernmg3:UnfundedDebtSecuritiesMember2024-03-310001781870MRI Software LLC, First Lien - Undrawn 2024-03-310001781870OA Buyer, Inc., First Lien - Undrawn 2024-03-310001781870Pioneer Buyer I, LLC, First Lien - Undrawn 2024-03-310001781870PDQ.com Corporation, First Lien - Undrawn 2024-03-310001781870Pye-Barker Fire & Safety, LLC, First Lien - Undrawn 2024-03-310001781870Radwell Parent, LLC, First Lien - Undrawn 12024-03-310001781870Radwell Parent, LLC, First Lien - Undrawn 22024-03-310001781870nmg3:RadwellParentLLCMembernmg3:UnfundedDebtSecuritiesMember2024-03-310001781870Recorded Future, Inc., First Lien- Undrawn 2024-03-310001781870Relativity ODA LLC, First Lien - Undrawn 2024-03-310001781870Safety Borrower Holdings LLC, First Lien- Undrawn 2024-03-310001781870Sun Acquirer Corp., First Lien - Undrawn 2024-03-310001781870TigerConnect, Inc., First Lien - Undrawn 12024-03-310001781870TigerConnect, Inc., First Lien - Undrawn 22024-03-310001781870nmg3:UnfundedDebtSecuritiesMembernmg3:TigerConnectIncMember2024-03-310001781870Trinity Air Consultants Holdings Corporation, First Lien - Undrawn 12024-03-310001781870Trinity Air Consultants Holdings Corporation, First Lien - Undrawn 22024-03-310001781870nmg3:UnfundedDebtSecuritiesMembernmg3:TrinityAirConsultantsHoldingsCorporationMember2024-03-310001781870USRP Holdings, Inc., First Lien - Undrawn 2024-03-310001781870Wealth Enhancement Group, LLC, First Lien - Undrawn 2024-03-310001781870FS WhiteWater Borrower, LLC, First Lien - Undrawn 2024-03-310001781870YLG Holdings, Inc., First Lien - Undrawn 2024-03-310001781870Huskies Parent, Inc., First Lien - Undrawn 2024-03-310001781870CG Group Holdings, LLC, First Lien - Undrawn 2024-03-310001781870Smile Doctors LLC, First Lien - Undrawn 2024-03-310001781870GS Acquisitionco, Inc., First Lien - Undrawn2024-03-310001781870Calabrio, Inc., First Lien - Undrawn 2024-03-310001781870Community Brands ParentCo, LLC, First Lien - Undrawn 2024-03-310001781870Specialtycare, Inc., First Lien - Undrawn 2024-03-310001781870IMO Investor Holdings, Inc., First Lien - Undrawn 12024-03-310001781870IMO Investor Holdings, Inc., First Lien - Undrawn 22024-03-310001781870nmg3:IMOInvestorHoldingsIncMembernmg3:UnfundedDebtSecuritiesMember2024-03-310001781870Ministry Brands Holdings, LLC, First Lien - Undrawn 2024-03-310001781870DOCS, MSO, LLC, First Lien - Undrawn 2024-03-310001781870OB Hospitalist Group, Inc., First Lien - Undrawn 2024-03-310001781870Legal Spend Holdings, LLC (fka Bottomline Technologies, Inc.), First Lien - Undrawn 2024-03-310001781870ACI Group Holdings, Inc., First Lien - Undrawn 12024-03-310001781870ACI Group Holdings, Inc., First Lien- Undrawn 22024-03-310001781870nmg3:UnfundedDebtSecuritiesMembernmg3:ACIGroupHoldingsIncMember2024-03-310001781870Notorious Topco, LLC, First Lien - Undrawn 2024-03-310001781870Project Essential Bidco, Inc., First Lien- Undrawn 2024-03-310001781870country:USnmg3:UnfundedDebtSecuritiesMember2024-03-310001781870nmg3:UnfundedDebtSecuritiesMember2024-03-310001781870us-gaap:InvestmentUnaffiliatedIssuerMember2024-03-310001781870 Appriss Health Holdings, Inc., Wholly-owned subsidiaries2024-03-310001781870 Project Essential Topco, Inc., Wholly-owned subsidiaries2024-03-310001781870 Diamond Parent Holdings Corp., Wholly-owned subsidiaries2024-03-310001781870Diamond Parent Holdings Corp., First lien2024-03-310001781870Diamond Parent Holdings Corp., First lien - Delayed Draw2024-03-310001781870Dealer Tire Holdings, LLC, Preferred shares2024-01-012024-03-310001781870ACI Parent Inc., First lien - Delayed Draw2024-03-310001781870OEConnection LLC, Second lien2024-03-310001781870Pioneer Buyer I, LLC, First lien2024-03-310001781870Kaseya Inc., First lien - Delayed Draw2024-03-310001781870nmg3:InvestmentTypeConcentrationRiskMembernmg3:DebtSecuritiesFirstLienMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:InvestmentTypeConcentrationRiskMembernmg3:DebtSecuritiesSecondLienMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:InvestmentTypeConcentrationRiskMembernmg3:InvestmentsAtFairValueMemberus-gaap:SubordinatedDebtMember2024-01-012024-03-310001781870nmg3:InvestmentTypeConcentrationRiskMemberus-gaap:OtherAggregatedInvestmentsMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:IndustryConcentrationRiskMembernmg3:SoftwareSectorMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMemberus-gaap:HealthcareSectorMember2024-01-012024-03-310001781870nmg3:IndustryConcentrationRiskMembernmg3:BusinessServicesSectorMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:IndustryConcentrationRiskMembernmg3:ConsumerServicesSectorMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMemberus-gaap:TransportationSectorMember2024-01-012024-03-310001781870nmg3:IndustryConcentrationRiskMemberus-gaap:FinancialServicesSectorMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:IndustryConcentrationRiskMembernmg3:ConsumerProductsSectorMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMemberus-gaap:ContainerAndPackagingSectorMember2024-01-012024-03-310001781870nmg3:IndustryConcentrationRiskMembernmg3:EducationSectorMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMemberus-gaap:ChemicalsSectorMember2024-01-012024-03-310001781870nmg3:DebtSecuritiesFloatingInterestRateMembernmg3:InterestRateTypeRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:DebtSecuritiesFixedInterestRateMembernmg3:InterestRateTypeRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870Recorded Future, Inc., First Lien 12023-12-310001781870Recorded Future, Inc., First Lien 22023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:RecordedFutureIncMember2023-12-310001781870GS Acquisitionco, Inc., First Lien2023-12-310001781870AAH Topco, LLC, First Lien 12023-12-310001781870AAH Topco, LLC, First Lien 22023-12-310001781870AAH Topco, LLC, Subordinated 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:AAHTopcoLLCMember2023-12-310001781870Legal Spend Holdings, LLC (fka Bottomline Technologies, Inc.), First Lien 2023-12-310001781870OA Buyer, Inc., First Lien 72023-12-310001781870OA Buyer, Inc., First Lien 82023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:OABuyerIncMember2023-12-310001781870Wealth Enhancement Group, LLC, First Lien 12023-12-310001781870Wealth Enhancement Group, LLC, Subordinated 2023-12-310001781870Wealth Enhancement Group, LLC, First Lien 22023-12-310001781870Wealth Enhancement Group, LLC, First Lien 32023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:WealthEnhancementGroupLLCMember2023-12-310001781870Al Altius US Bidco, Inc., First Lien 12023-12-310001781870Al Altius US Bidco, Inc., First Lien 22023-12-310001781870nmg3:AlAltiusUSBidcoIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870KWOR Acquisition, Inc., First Lien 2023-12-310001781870KWOR Acquisition, Inc., First Lien - Drawn2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:KWORAcquisitionIncMember2023-12-310001781870CCBlue Bidco, Inc., First Lien 12023-12-310001781870CCBlue Bidco, Inc., First Lien 22023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:CCBlueBidcoIncMember2023-12-310001781870Diamondback Acquisition, Inc., First Lien 2023-12-310001781870Notorious Topco, LLC, First Lien 12023-12-310001781870Notorious Topco, LLC, First Lien 22023-12-310001781870Notorious Topco, LLC, First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:NotoriousTopcoLLCMember2023-12-310001781870Anaplan, Inc., First Lien 2023-12-310001781870GraphPAD Software, LLC, First Lien 12023-12-310001781870GraphPAD Software, LLC, First Lien 22023-12-310001781870GraphPAD Software, LLC, First Lien 32023-12-310001781870GraphPAD Software, LLC, First Lien 42023-12-310001781870GraphPAD Software, LLC, First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:GraphPADSoftwareLLCMember2023-12-310001781870IG Investments Holdings, LLC, First Lien 2023-12-310001781870Auctane Inc. (fka Stamps.com Inc.), First Lien 12023-12-310001781870Auctane Inc. (fka Stamps.com Inc.), First Lien 22023-12-310001781870nmg3:AuctaneIncFkaStampscomIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Associations, Inc., First Lien 12023-12-310001781870Associations, Inc., First Lien 22023-12-310001781870Associations, Inc., First Lien 32023-12-310001781870Associations, Inc., First Lien 42023-12-310001781870Associations, Inc., First Lien 52023-12-310001781870Associations, Inc., First Lien - Drawn 2023-12-310001781870nmg3:AssociationsIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870DECA Dental Holdings LLC, First Lien 12023-12-310001781870DECA Dental Holdings LLC, First Lien 22023-12-310001781870DECA Dental Holdings LLC, First Lien - Drawn2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:DECADentalHoldingsLLCMember2023-12-310001781870iCIMS, Inc., First Lien 12023-12-310001781870iCIMS, Inc., First Lien 22023-12-310001781870iCIMS, Inc., First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:ICIMSIncMember2023-12-310001781870Ocala Bidco, Inc., First Lien 2023-12-310001781870Pioneer Buyer I, LLC, First Lien 12023-12-310001781870Pioneer Buyer I, LLC, First Lien 22023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:PioneerBuyerILLCMember2023-12-310001781870Sun Acquirer Corp., First Lien 12023-12-310001781870Sun Acquirer Corp., First Lien 22023-12-310001781870Sun Acquirer Corp., First Lien 32023-12-310001781870Sun Acquirer Corp., First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:SunAcquirerCorpMember2023-12-310001781870Infogain Corporation, Subordinated2023-12-310001781870Infogain Corporation, First Lien 12023-12-310001781870Infogain Corporation, First Lien 22023-12-310001781870nmg3:InfogainCorporationMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Business Services, First Lien 2023-12-310001781870Business Services, First Lien - Drawn 2023-12-310001781870nmg3:BusinessServicesSectorMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Galway Borrower LLC, First Lien 2023-12-310001781870Fortis Solutions Group, LLC, First Lien 12023-12-310001781870Fortis Solutions Group, LLC, First Lien - Drawn 12023-12-310001781870Fortis Solutions Group, LLC, First Lien - Drawn 22023-12-310001781870Fortis Solutions Group, LLC, First Lien 22023-12-310001781870nmg3:FortisSolutionsGroupLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870FS WhiteWater Borrower, LLC, First Lien 12023-12-310001781870FS WhiteWater Borrower, LLC, First Lien 22023-12-310001781870FS WhiteWater Borrower, LLC, First Lien 32023-12-310001781870FS WhiteWater Borrower, LLC, First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:FSWhiteWaterBorrowerLLCMember2023-12-310001781870Pye-Barker Fire & Safety, LLC, First Lien 12023-12-310001781870Pye-Barker Fire & Safety, LLC, First Lien 22023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:PyeBarkerFireSafetyLLCMember2023-12-310001781870Icebox Holdco III, Inc., Second Lien 2023-12-310001781870CFS Management, LLC, First Lien 12023-12-310001781870CFS Management, LLC, First Lien 22023-12-310001781870CFS Management, LLC, First Lien 32023-12-310001781870CFS Management, LLC, First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:CFSManagementLLCMember2023-12-310001781870OEConnection LLC, Second Lien 12023-12-310001781870OEConnection LLC, Second Lien 22023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:OEConnectionLLCMember2023-12-310001781870Kaseya Inc., First Lien 2023-12-310001781870Kaseya Inc., First Lien - Drawn 12023-12-310001781870Kaseya Inc., First Lien - Drawn 22023-12-310001781870nmg3:KaseyaIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Idera, Inc., Second Lien 2023-12-310001781870MRI Software LLC, First Lien 12023-12-310001781870MRI Software LLC, First Lien 22023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:MRISoftwareLLCMember2023-12-310001781870Businessolver.com, Inc., First Lien 2023-12-310001781870Businessolver.com, Inc., First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:BusinessolvercomIncMember2023-12-310001781870TRC Companies L.L.C. (fka Energize Holdco LLC), Second Lien 2023-12-310001781870Bullhorn, Inc., First Lien 12023-12-310001781870Bullhorn, Inc., First Lien 22023-12-310001781870Bullhorn, Inc., First Lien 32023-12-310001781870Bullhorn, Inc., First Lien 42023-12-310001781870Bullhorn, Inc., First Lien 52023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:BullhornIncMember2023-12-310001781870USRP Holdings, Inc., First Lien 2023-12-310001781870Avalara, Inc., First Lien 2023-12-310001781870MED Parentco, LP, Second Lien 2023-12-310001781870DOCS, MSO, LLC, First Lien 2023-12-310001781870KAMC Holdings, Inc, Second Lien 2023-12-310001781870OB Hospitalist Group, Inc., First Lien 2023-12-310001781870OB Hospitalist Group, Inc., First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:OBHospitalistGroupIncMember2023-12-310001781870Diligent Corporation, First Lien 12023-12-310001781870Diligent Corporation, First Lien 22023-12-310001781870Diligent Corporation, First Lien 32023-12-310001781870Diligent Corporation, First Lien - Drawn 2023-12-310001781870Diligent Corporation, First Lien 42023-12-310001781870Diligent Corporation, First Lien 52023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:DiligentCorporationMember2023-12-310001781870Foundational Education Group, Inc., Second Lien 2023-12-310001781870Daxko Acquisition Corporation, First Lien 12023-12-310001781870Daxko Acquisition Corporation, First Lien 22023-12-310001781870Daxko Acquisition Corporation, First Lien - Drawn 12023-12-310001781870Daxko Acquisition Corporation, First Lien - Drawn 22023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:DaxkoAcquisitionCorporationMember2023-12-310001781870TigerConnect, Inc., First Lien 2023-12-310001781870TigerConnect, Inc., First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:TigerConnectIncMember2023-12-310001781870HS Purchaser, LLC / Help/Systems Holdings, Inc., Second Lien 2023-12-310001781870Relativity ODA LLC, First Lien 12023-12-310001781870Project Essential Bidco, Inc., First Lien 2023-12-310001781870Granicus, Inc., First Lien 12023-12-310001781870Granicus, Inc., First Lien 22023-12-310001781870Granicus, Inc., First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:GranicusIncMember2023-12-310001781870AmeriVet Partners Management, Inc., First Lien 12023-12-310001781870AmeriVet Partners Management, Inc., First Lien 22023-12-310001781870AmeriVet Partners Management, Inc., First Lien 32023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:AmeriVetPartnersManagementIncMember2023-12-310001781870NMC Crimson Holdings, Inc., First Lien 12023-12-310001781870NMC Crimson Holdings, Inc., First Lien 22023-12-310001781870nmg3:NMCCrimsonHoldingsIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870DCA Investment Holding, LLC, First Lien 12023-12-310001781870DCA Investment Holding, LLC, First Lien 22023-12-310001781870DCA Investment Holding, LLC, First Lien 32023-12-310001781870DCA Investment Holding, LLC, First Lien 42023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:DCAInvestmentHoldingLLCMember2023-12-310001781870ACI Group Holdings, Inc., First Lien 12023-12-310001781870ACI Group Holdings, Inc., First Lien 22023-12-310001781870ACI Group Holdings, Inc., First Lien - Drawn 12023-12-310001781870ACI Group Holdings, Inc., First Lien - Drawn 22023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:ACIGroupHoldingsIncMember2023-12-310001781870Syndigo LLC, Second Lien 2023-12-310001781870Allworth Financial Group, L.P., First Lien 12023-12-310001781870Allworth Financial Group, L.P., First Lien 22023-12-310001781870Allworth Financial Group, L.P., First Lien 32023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:AllworthFinancialGroupLPMember2023-12-310001781870Specialtycare, Inc., First Lien 12023-12-310001781870Specialtycare, Inc., First Lien 22023-12-310001781870Specialtycare, Inc., First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:SpecialtycareIncMember2023-12-310001781870DG Investment Intermediate Holdings 2, Inc., Second Lien 2023-12-310001781870PDQ.com Corporation, First Lien 12023-12-310001781870PDQ.com Corporation, First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:PDQcomCorporationMember2023-12-310001781870GC Waves Holdings, Inc., First Lien 2023-12-310001781870Maverick Bidco Inc., Second Lien 2023-12-310001781870CRCI Longhorn Holdings, Inc., Second Lien 2023-12-310001781870Beacon Pointe Harmony, LLC, First Lien 12023-12-310001781870Beacon Pointe Harmony, LLC, First Lien 22023-12-310001781870Beacon Pointe Harmony, LLC, First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:BeaconPointeHarmonyLLCMember2023-12-310001781870Trinity Air Consultants Holdings Corporation, First Lien 12023-12-310001781870Trinity Air Consultants Holdings Corporation, First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:TrinityAirConsultantsHoldingsCorporationMember2023-12-310001781870Coyote Buyer, LLC, First Lien 12023-12-310001781870Coyote Buyer, LLC, First Lien 22023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:CoyoteBuyerLLCMember2023-12-310001781870KPSKY Acquisition Inc., First Lien 12023-12-310001781870KPSKY Acquisition Inc., First Lien 22023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:KPSKYAcquisitionIncMember2023-12-310001781870CG Group Holdings, LLC, First Lien 2023-12-310001781870CG Group Holdings, LLC, First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:CGGroupHoldingsLLCMember2023-12-310001781870Huskies Parent, Inc., First Lien 2023-12-310001781870Huskies Parent, Inc., First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:HuskiesParentIncMember2023-12-310001781870Radwell Parent, LLC, First Lien 2023-12-310001781870Radwell Parent, LLC, First Lien - Drawn 12023-12-310001781870Radwell Parent, LLC, First Lien - Drawn 22023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:RadwellParentLLCMember2023-12-310001781870Ministry Brands Holdings, LLC, First Lien 12023-12-310001781870Ministry Brands Holdings, LLC, First Lien 22023-12-310001781870Ministry Brands Holdings, LLC, First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:MinistryBrandsHoldingsLLCMember2023-12-310001781870Smile Doctors LLC, First Lien 2023-12-310001781870EAB Global, Inc., Second Lien 2023-12-310001781870Safety Borrower Holdings LLC, First Lien 2023-12-310001781870Safety Borrower Holdings LLC, First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:SafetyBorrowerHoldingsLLCMember2023-12-310001781870Community Brands ParentCo, LLC, First Lien 2023-12-310001781870USIC Holdings, Inc., Second Lien 2023-12-310001781870YLG Holdings, Inc., First Lien 2023-12-310001781870YLG Holdings, Inc., First Lien - Drawn 2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:YLGHoldingsIncMember2023-12-310001781870TMK Hawk Parent, Corp., First Lien 12023-12-310001781870TMK Hawk Parent, Corp.,First Lien 22023-12-310001781870TMK Hawk Parent, Corp.,First Lien 32023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:TMKHawkParentCorpMember2023-12-310001781870RealPage, Inc., Second Lien 2023-12-310001781870Calabrio, Inc., First Lien 2023-12-310001781870Calabrio, Inc.,First Lien - Drawn2023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:CalabrioIncMember2023-12-310001781870Therapy Brands Holdings LLC, Second Lien 2023-12-310001781870IMO Investor Holdings, Inc., First Lien 2023-12-310001781870IMO Investor Holdings, Inc., First Lien - Drawn 12023-12-310001781870IMO Investor Holdings, Inc., First Lien - Drawn 22023-12-310001781870nmg3:FundedDebtSecuritiesMembernmg3:IMOInvestorHoldingsIncMember2023-12-310001781870Appriss Health, LLC, First Lien 2023-12-310001781870Mamba Purchaser, Inc., Second Lien 2023-12-310001781870Cloudera, Inc., Second Lien 2023-12-310001781870Alegeus Technologies Holdings Corp., First Lien 2023-12-310001781870AG Parent Holdings, LLC, First Lien 2023-12-310001781870MH Sub I, LLC (Micro Holding Corp.), Second Lien2023-12-310001781870Kele Holdco, Inc., First Lien 2023-12-310001781870Virtusa Corporation, Subordinated2023-12-310001781870New Trojan Parent, Inc., Second Lien 2023-12-310001781870nmg3:FundedDebtSecuritiesMembercountry:US2023-12-310001781870Aston FinCo S.a r.l. / Aston US Finco, LLC, Second Lien 2023-12-310001781870nmg3:FundedDebtSecuritiesMembercountry:GB2023-12-310001781870Project Boost Purchaser, LLC, Second Lien 2023-12-310001781870nmg3:FundedDebtSecuritiesMembercountry:CA2023-12-310001781870nmg3:FundedDebtSecuritiesMember2023-12-310001781870Dealer Tire Holdings, LLC, Preferred shares 2023-12-310001781870OEC Holdco, LLC, Preferred shares 2023-12-310001781870ACI Parent Inc., Preferred shares 2023-12-310001781870Knockout Intermediate Holdings I Inc., Preferred shares 2023-12-310001781870Project Essential Super Parent, Inc., Preferred shares 2023-12-310001781870Diligent Preferred Issuer, Inc., Preferred shares 2023-12-310001781870Appriss Health Intermediate Holdings, Inc., Preferred shares 2023-12-310001781870Pioneer Topco I, L.P., Ordinary shares2023-12-310001781870us-gaap:EquitySecuritiesMembercountry:US2023-12-310001781870us-gaap:EquitySecuritiesMember2023-12-310001781870nmg3:FundedSecuritiesMember2023-12-310001781870KWOR Acquisition, Inc., First Lien - Undrawn 2023-12-310001781870AAH Topco, LLC, First Lien - Undrawn 2023-12-310001781870Allworth Financial Group, L.P., First Lien - Undrawn 2023-12-310001781870AmeriVet Partners Management, Inc., First Lien - Undrawn 2023-12-310001781870Coyote Buyer, LLC, First Lien - Undrawn2023-12-310001781870Appriss Health, LLC, First Lien - Undrawn 2023-12-310001781870Associations, Inc., First Lien - Undrawn 2023-12-310001781870Avalara, Inc., First Lien - Undrawn 2023-12-310001781870Legal Spend Holdings, LLC (fka Bottomline Technologies, Inc.), First Lien - Undrawn 2023-12-310001781870Bullhorn, Inc., First Lien - Undrawn 2023-12-310001781870Businessolver.com, Inc., First Lien - Undrawn 2023-12-310001781870Daxko Acquisition Corporation, First Lien - Undrawn 12023-12-310001781870Daxko Acquisition Corporation, First Lien - Undrawn 22023-12-310001781870nmg3:DaxkoAcquisitionCorporationMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870Foreside Financial Group, LLC, First Lien - Undrawn 12023-12-310001781870Foreside Financial Group, LLC, First Lien - Undrawn 22023-12-310001781870nmg3:ForesideFinancialGroupLLCMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870Galway Borrower LLC, First Lien - Undrawn 2023-12-310001781870Granicus, Inc., First Lien - Undrawn 2023-12-310001781870iCIMS, Inc., First Lien - Undrawn 12023-12-310001781870iCIMS, Inc., First Lien - Undrawn 22023-12-310001781870nmg3:ICIMSIncMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870Infogain Corporation, First Lien - Undrawn 2023-12-310001781870Ocala Bidco, Inc., First Lien - Undrawn 2023-12-310001781870IG Investments Holdings, LLC, First Lien - Undrawn 2023-12-310001781870GraphPAD Software, LLC, First Lien - Undrawn 2023-12-310001781870GS Acquisitionco, Inc., First Lien - Undrawn 2023-12-310001781870Kaseya Inc., First Lien - Undrawn 12023-12-310001781870Kaseya Inc., First Lien - Undrawn 22023-12-310001781870nmg3:KaseyaIncMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870OA Buyer, Inc., First Lien - Undrawn 2023-12-310001781870Pioneer Buyer I, LLC, First Lien - Undrawn 2023-12-310001781870PDQ.com Corporation, First Lien - Undrawn 2023-12-310001781870Pye-Barker Fire & Safety, LLC, First Lien - Undrawn 2023-12-310001781870Radwell Parent, LLC, First Lien - Undrawn 12023-12-310001781870Radwell Parent, LLC, First Lien - Undrawn 22023-12-310001781870nmg3:RadwellParentLLCMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870Recorded Future, Inc., First Lien - Undrawn 2023-12-310001781870Relativity ODA LLC, First Lien - Undrawn 2023-12-310001781870Safety Borrower Holdings LLC, First Lien - Undrawn 2023-12-310001781870Trinity Air Consultants Holdings Corporation, First Lien - Undrawn 12023-12-310001781870Trinity Air Consultants Holdings Corporation, First Lien - Undrawn 22023-12-310001781870nmg3:UnfundedDebtSecuritiesMembernmg3:TrinityAirConsultantsHoldingsCorporationMember2023-12-310001781870USRP Holdings, Inc., First Lien - Undrawn 2023-12-310001781870Wealth Enhancement Group, LLC, First Lien - Undrawn 2023-12-310001781870YLG Holdings, Inc., First Lien - Undrawn 2023-12-310001781870Calabrio, Inc., First Lien - Undrawn2023-12-310001781870MRI Software LLC, First Lien - Undrawn 2023-12-310001781870DECA Dental Holdings LLC, First Lien - Undrawn 2023-12-310001781870Ministry Brands Holdings, LLC, First Lien - Undrawn 2023-12-310001781870Specialtycare, Inc., First Lien - Undrawn 2023-12-310001781870Sun Acquirer Corp., First Lien - Undrawn 2023-12-310001781870CG Group Holdings, LLC, First Lien - Undrawn 2023-12-310001781870IMO Investor Holdings, Inc., First Lien - Undrawn 12023-12-310001781870IMO Investor Holdings, Inc., First Lien - Undrawn 22023-12-310001781870nmg3:IMOInvestorHoldingsIncMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870Smile Doctors LLC, First Lien - Undrawn 2023-12-310001781870Beacon Pointe Harmony, LLC, First Lien - Undrawn 12023-12-310001781870Beacon Pointe Harmony, LLC, First Lien - Undrawn 22023-12-310001781870nmg3:BeaconPointeHarmonyLLCMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870Diligent Corporation, First Lien - Undrawn 2023-12-310001781870TigerConnect, Inc., First Lien - Undrawn 12023-12-310001781870TigerConnect, Inc., First Lien - Undrawn 22023-12-310001781870nmg3:UnfundedDebtSecuritiesMembernmg3:TigerConnectIncMember2023-12-310001781870FS WhiteWater Borrower, LLC, First Lien - Undrawn 2023-12-310001781870Community Brands ParentCo, LLC, First Lien - Undrawn 12023-12-310001781870Community Brands ParentCo, LLC, First Lien - Undrawn 22023-12-310001781870nmg3:CommunityBrandsParentCoLLCMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870DOCS, MSO, LLC, First Lien - Undrawn 2023-12-310001781870OB Hospitalist Group, Inc., First Lien - Undrawn 2023-12-310001781870Fortis Solutions Group, LLC, First Lien - Undrawn 12023-12-310001781870Fortis Solutions Group, LLC, First Lien - Undrawn 22023-12-310001781870nmg3:FortisSolutionsGroupLLCMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870ACI Group Holdings, Inc., First Lien - Undrawn 2023-12-310001781870ACI Group Holdings, Inc., First Lien - Undrawn 2023-12-310001781870nmg3:UnfundedDebtSecuritiesMembernmg3:ACIGroupHoldingsIncMember2023-12-310001781870CFS Management, LLC, First Lien - Undrawn 2023-12-310001781870Project Essential Bidco, Inc., First Lien - Undrawn 2023-12-310001781870Notorious Topco, LLC, First Lien - Undrawn 2023-12-310001781870country:USnmg3:UnfundedDebtSecuritiesMember2023-12-310001781870nmg3:UnfundedDebtSecuritiesMember2023-12-310001781870us-gaap:InvestmentUnaffiliatedIssuerMember2023-12-310001781870Appriss Health Intermediate Holdings, Inc., Preferred shares2023-12-310001781870Appriss Health Intermediate Holdings, Inc., Preferred shares2023-01-012023-12-310001781870Project Essential Super Parent, Inc., Preferred shares2023-12-310001781870Project Essential Super Parent, Inc., Preferred shares2023-01-012023-12-310001781870Diligent Preferred Issuer, Inc., Preferred shares2023-12-310001781870Diamond Parent Holdings Corp., First lien2023-12-310001781870Diamond Parent Holdings Corp., First lien - Delayed Draw2023-12-310001781870Diligent Preferred Issuer, Inc., Preferred shares2023-01-012023-12-310001781870Dealer Tire Holdings, LLC, Preferred shares2023-01-012023-12-310001781870ACI Parent Inc., Preferred shares2023-01-012023-12-310001781870OEC Holdco, LLC, Preferred shares2023-12-310001781870OEC Holdco, LLC, Preferred shares2023-01-012023-12-310001781870Knockout Intermediate Holdings I Inc., Preferred shares2023-01-012023-12-310001781870nmg3:InvestmentTypeConcentrationRiskMembernmg3:DebtSecuritiesFirstLienMembernmg3:InvestmentsAtFairValueMember2023-01-012023-12-310001781870nmg3:InvestmentTypeConcentrationRiskMembernmg3:DebtSecuritiesSecondLienMembernmg3:InvestmentsAtFairValueMember2023-01-012023-12-310001781870nmg3:InvestmentTypeConcentrationRiskMembernmg3:InvestmentsAtFairValueMemberus-gaap:SubordinatedDebtMember2023-01-012023-12-310001781870nmg3:InvestmentTypeConcentrationRiskMemberus-gaap:OtherAggregatedInvestmentsMembernmg3:InvestmentsAtFairValueMember2023-01-012023-12-3100017818702023-01-012023-12-310001781870nmg3:IndustryConcentrationRiskMembernmg3:SoftwareSectorMembernmg3:InvestmentsAtFairValueMember2023-01-012023-12-310001781870nmg3:IndustryConcentrationRiskMembernmg3:BusinessServicesSectorMembernmg3:InvestmentsAtFairValueMember2023-01-012023-12-310001781870nmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMemberus-gaap:HealthcareSectorMember2023-01-012023-12-310001781870nmg3:IndustryConcentrationRiskMembernmg3:ConsumerServicesSectorMembernmg3:InvestmentsAtFairValueMember2023-01-012023-12-310001781870nmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMemberus-gaap:TransportationSectorMember2023-01-012023-12-310001781870nmg3:IndustryConcentrationRiskMemberus-gaap:FinancialServicesSectorMembernmg3:InvestmentsAtFairValueMember2023-01-012023-12-310001781870nmg3:IndustryConcentrationRiskMembernmg3:ConsumerProductsSectorMembernmg3:InvestmentsAtFairValueMember2023-01-012023-12-310001781870nmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMemberus-gaap:ContainerAndPackagingSectorMember2023-01-012023-12-310001781870nmg3:IndustryConcentrationRiskMembernmg3:EducationSectorMembernmg3:InvestmentsAtFairValueMember2023-01-012023-12-310001781870nmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMemberus-gaap:ChemicalsSectorMember2023-01-012023-12-310001781870nmg3:DebtSecuritiesFloatingInterestRateMembernmg3:InterestRateTypeRiskMembernmg3:InvestmentsAtFairValueMember2023-01-012023-12-310001781870nmg3:DebtSecuritiesFixedInterestRateMembernmg3:InterestRateTypeRiskMembernmg3:InvestmentsAtFairValueMember2023-01-012023-12-310001781870nmg3:NewMountainCapitalMember2024-03-310001781870us-gaap:PrivatePlacementMember2019-07-152019-07-1500017818702021-10-152021-10-1500017818702019-07-150001781870srt:MinimumMember2024-01-012024-03-310001781870srt:MaximumMember2024-01-012024-03-310001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementMember2024-01-012024-03-310001781870nmg3:DebtSecuritiesFirstLienMember2024-03-310001781870nmg3:DebtSecuritiesSecondLienMember2024-03-310001781870us-gaap:SubordinatedDebtMember2024-03-310001781870us-gaap:OtherAggregatedInvestmentsMember2024-03-310001781870nmg3:SoftwareSectorMember2024-03-310001781870us-gaap:HealthcareSectorMember2024-03-310001781870nmg3:BusinessServicesSectorMember2024-03-310001781870nmg3:ConsumerServicesSectorMember2024-03-310001781870us-gaap:TransportationSectorMember2024-03-310001781870us-gaap:FinancialServicesSectorMember2024-03-310001781870nmg3:ConsumerProductsSectorMember2024-03-310001781870us-gaap:ContainerAndPackagingSectorMember2024-03-310001781870nmg3:EducationSectorMember2024-03-310001781870us-gaap:ChemicalsSectorMember2024-03-310001781870nmg3:DebtSecuritiesFirstLienMember2023-12-310001781870nmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:SubordinatedDebtMember2023-12-310001781870us-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870nmg3:SoftwareSectorMember2023-12-310001781870nmg3:BusinessServicesSectorMember2023-12-310001781870us-gaap:HealthcareSectorMember2023-12-310001781870nmg3:ConsumerServicesSectorMember2023-12-310001781870us-gaap:TransportationSectorMember2023-12-310001781870us-gaap:FinancialServicesSectorMember2023-12-310001781870nmg3:ConsumerProductsSectorMember2023-12-310001781870us-gaap:ContainerAndPackagingSectorMember2023-12-310001781870nmg3:EducationSectorMember2023-12-310001781870us-gaap:ChemicalsSectorMember2023-12-310001781870New Trojan Parent, Inc., Second lien2024-03-310001781870New Trojan Parent, Inc., Second lien, Non-accrual status2024-01-012024-03-310001781870nmg3:UnfundedDebtSecuritiesRevolvingCreditFacilitiesMember2024-03-310001781870nmg3:UnfundedDebtSecuritiesBridgeFacilitiesMember2024-03-310001781870nmg3:UnfundedDebtSecuritiesDelayedDrawsOrOtherFutureFundingCommitmentsMember2024-03-310001781870nmg3:UnfundedDebtSecuritiesRevolvingCreditFacilitiesMember2023-12-310001781870nmg3:UnfundedDebtSecuritiesBridgeFacilitiesMember2023-12-310001781870nmg3:UnfundedDebtSecuritiesDelayedDrawsOrOtherFutureFundingCommitmentsMember2023-12-310001781870nmg3:DebtSecuritiesFirstLienMember2024-03-310001781870nmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel1Member2024-03-310001781870us-gaap:FairValueInputsLevel2Membernmg3:DebtSecuritiesFirstLienMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:DebtSecuritiesFirstLienMember2024-03-310001781870nmg3:DebtSecuritiesSecondLienMember2024-03-310001781870us-gaap:FairValueInputsLevel1Membernmg3:DebtSecuritiesSecondLienMember2024-03-310001781870us-gaap:FairValueInputsLevel2Membernmg3:DebtSecuritiesSecondLienMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:DebtSecuritiesSecondLienMember2024-03-310001781870us-gaap:SubordinatedDebtMember2024-03-310001781870us-gaap:SubordinatedDebtMemberus-gaap:FairValueInputsLevel1Member2024-03-310001781870us-gaap:FairValueInputsLevel2Memberus-gaap:SubordinatedDebtMember2024-03-310001781870us-gaap:FairValueInputsLevel3Memberus-gaap:SubordinatedDebtMember2024-03-310001781870us-gaap:OtherAggregatedInvestmentsMember2024-03-310001781870us-gaap:FairValueInputsLevel1Memberus-gaap:OtherAggregatedInvestmentsMember2024-03-310001781870us-gaap:FairValueInputsLevel2Memberus-gaap:OtherAggregatedInvestmentsMember2024-03-310001781870us-gaap:FairValueInputsLevel3Memberus-gaap:OtherAggregatedInvestmentsMember2024-03-310001781870us-gaap:FairValueInputsLevel1Member2024-03-310001781870us-gaap:FairValueInputsLevel2Member2024-03-310001781870us-gaap:FairValueInputsLevel3Member2024-03-310001781870nmg3:DebtSecuritiesFirstLienMember2023-12-310001781870nmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel1Member2023-12-310001781870us-gaap:FairValueInputsLevel2Membernmg3:DebtSecuritiesFirstLienMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:DebtSecuritiesFirstLienMember2023-12-310001781870nmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:FairValueInputsLevel1Membernmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:FairValueInputsLevel2Membernmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:SubordinatedDebtMember2023-12-310001781870us-gaap:SubordinatedDebtMemberus-gaap:FairValueInputsLevel1Member2023-12-310001781870us-gaap:FairValueInputsLevel2Memberus-gaap:SubordinatedDebtMember2023-12-310001781870us-gaap:FairValueInputsLevel3Memberus-gaap:SubordinatedDebtMember2023-12-310001781870us-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870us-gaap:FairValueInputsLevel1Memberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870us-gaap:FairValueInputsLevel2Memberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870us-gaap:FairValueInputsLevel3Memberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870us-gaap:FairValueInputsLevel1Member2023-12-310001781870us-gaap:FairValueInputsLevel2Member2023-12-310001781870us-gaap:FairValueInputsLevel3Member2023-12-310001781870us-gaap:InvestmentsMember2023-12-310001781870nmg3:DebtSecuritiesFirstLienMember2023-12-310001781870nmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:SubordinatedDebtMember2023-12-310001781870us-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:InvestmentsMember2024-01-012024-03-310001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMembernmg3:DebtSecuritiesFirstLienMember2024-01-012024-03-310001781870nmg3:DebtSecuritiesSecondLienMembernmg3:DebtAndEquitySecuritiesRealizedGainLossMember2024-01-012024-03-310001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:SubordinatedDebtMember2024-01-012024-03-310001781870us-gaap:OtherAggregatedInvestmentsMembernmg3:DebtAndEquitySecuritiesRealizedGainLossMember2024-01-012024-03-310001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:InvestmentsMember2024-01-012024-03-310001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMembernmg3:DebtSecuritiesFirstLienMember2024-01-012024-03-310001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMembernmg3:DebtSecuritiesSecondLienMember2024-01-012024-03-310001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:SubordinatedDebtMember2024-01-012024-03-310001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:OtherAggregatedInvestmentsMember2024-01-012024-03-310001781870us-gaap:InvestmentsMember2024-01-012024-03-310001781870nmg3:DebtSecuritiesFirstLienMember2024-01-012024-03-310001781870nmg3:DebtSecuritiesSecondLienMember2024-01-012024-03-310001781870us-gaap:SubordinatedDebtMember2024-01-012024-03-310001781870us-gaap:OtherAggregatedInvestmentsMember2024-01-012024-03-310001781870us-gaap:InvestmentsMember2024-03-310001781870nmg3:DebtSecuritiesFirstLienMember2024-03-310001781870nmg3:DebtSecuritiesSecondLienMember2024-03-310001781870us-gaap:SubordinatedDebtMember2024-03-310001781870us-gaap:OtherAggregatedInvestmentsMember2024-03-310001781870us-gaap:InvestmentsMember2022-12-310001781870nmg3:DebtSecuritiesFirstLienMember2022-12-310001781870nmg3:DebtSecuritiesSecondLienMember2022-12-310001781870us-gaap:SubordinatedDebtMember2022-12-310001781870us-gaap:OtherAggregatedInvestmentsMember2022-12-310001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:InvestmentsMember2023-01-012023-03-310001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMembernmg3:DebtSecuritiesFirstLienMember2023-01-012023-03-310001781870nmg3:DebtSecuritiesSecondLienMembernmg3:DebtAndEquitySecuritiesRealizedGainLossMember2023-01-012023-03-310001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:SubordinatedDebtMember2023-01-012023-03-310001781870us-gaap:OtherAggregatedInvestmentsMembernmg3:DebtAndEquitySecuritiesRealizedGainLossMember2023-01-012023-03-310001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:InvestmentsMember2023-01-012023-03-310001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMembernmg3:DebtSecuritiesFirstLienMember2023-01-012023-03-310001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMembernmg3:DebtSecuritiesSecondLienMember2023-01-012023-03-310001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:SubordinatedDebtMember2023-01-012023-03-310001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:OtherAggregatedInvestmentsMember2023-01-012023-03-310001781870us-gaap:InvestmentsMember2023-01-012023-03-310001781870nmg3:DebtSecuritiesFirstLienMember2023-01-012023-03-310001781870nmg3:DebtSecuritiesSecondLienMember2023-01-012023-03-310001781870us-gaap:SubordinatedDebtMember2023-01-012023-03-310001781870us-gaap:OtherAggregatedInvestmentsMember2023-01-012023-03-310001781870us-gaap:InvestmentsMember2023-03-310001781870nmg3:DebtSecuritiesFirstLienMember2023-03-310001781870nmg3:DebtSecuritiesSecondLienMember2023-03-310001781870us-gaap:SubordinatedDebtMember2023-03-310001781870us-gaap:OtherAggregatedInvestmentsMember2023-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembernmg3:DebtSecuritiesFirstLienMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:DebtSecuritiesFirstLienMembersrt:MinimumMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:MaximumMembernmg3:DebtSecuritiesFirstLienMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:DebtSecuritiesFirstLienMembersrt:WeightedAverageMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputRevenueMultipleMembernmg3:DebtSecuritiesFirstLienMembersrt:MinimumMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MaximumMemberus-gaap:MeasurementInputRevenueMultipleMembernmg3:DebtSecuritiesFirstLienMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputRevenueMultipleMembernmg3:DebtSecuritiesFirstLienMembersrt:WeightedAverageMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembernmg3:DebtSecuritiesFirstLienMembersrt:MinimumMemberus-gaap:MeasurementInputDiscountRateMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MaximumMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:MeasurementInputDiscountRateMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembernmg3:DebtSecuritiesFirstLienMembersrt:WeightedAverageMemberus-gaap:MeasurementInputDiscountRateMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:OtherValuationTechniqueMembernmg3:DebtSecuritiesFirstLienMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembernmg3:DebtSecuritiesSecondLienMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:MinimumMembernmg3:DebtSecuritiesSecondLienMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:MaximumMembernmg3:DebtSecuritiesSecondLienMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:WeightedAverageMembernmg3:DebtSecuritiesSecondLienMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MinimumMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:MeasurementInputDiscountRateMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MaximumMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:MeasurementInputDiscountRateMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:WeightedAverageMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:MeasurementInputDiscountRateMember2024-03-310001781870us-gaap:FairValueInputsLevel3Memberus-gaap:MarketApproachValuationTechniqueMembernmg3:DebtSecuritiesSecondLienMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:OtherValuationTechniqueMembernmg3:DebtSecuritiesSecondLienMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:SubordinatedDebtMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMemberus-gaap:SubordinatedDebtMembersrt:MinimumMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:MaximumMemberus-gaap:SubordinatedDebtMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMemberus-gaap:SubordinatedDebtMembersrt:WeightedAverageMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:SubordinatedDebtMembersrt:MinimumMemberus-gaap:MeasurementInputDiscountRateMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MaximumMemberus-gaap:SubordinatedDebtMemberus-gaap:MeasurementInputDiscountRateMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:SubordinatedDebtMembersrt:WeightedAverageMemberus-gaap:MeasurementInputDiscountRateMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:OtherValuationTechniqueMemberus-gaap:SubordinatedDebtMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:OtherAggregatedInvestmentsMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:MinimumMemberus-gaap:OtherAggregatedInvestmentsMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:MaximumMemberus-gaap:OtherAggregatedInvestmentsMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:WeightedAverageMemberus-gaap:OtherAggregatedInvestmentsMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputRevenueMultipleMembersrt:MinimumMemberus-gaap:OtherAggregatedInvestmentsMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MaximumMemberus-gaap:MeasurementInputRevenueMultipleMemberus-gaap:OtherAggregatedInvestmentsMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputRevenueMultipleMembersrt:WeightedAverageMemberus-gaap:OtherAggregatedInvestmentsMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MinimumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:MeasurementInputDiscountRateMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MaximumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:MeasurementInputDiscountRateMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:WeightedAverageMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:MeasurementInputDiscountRateMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:OtherValuationTechniqueMemberus-gaap:OtherAggregatedInvestmentsMember2024-03-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembernmg3:DebtSecuritiesFirstLienMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:DebtSecuritiesFirstLienMembersrt:MinimumMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:MaximumMembernmg3:DebtSecuritiesFirstLienMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:DebtSecuritiesFirstLienMembersrt:WeightedAverageMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputRevenueMultipleMembernmg3:DebtSecuritiesFirstLienMembersrt:MinimumMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MaximumMemberus-gaap:MeasurementInputRevenueMultipleMembernmg3:DebtSecuritiesFirstLienMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputRevenueMultipleMembernmg3:DebtSecuritiesFirstLienMembersrt:WeightedAverageMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembernmg3:DebtSecuritiesFirstLienMembersrt:MinimumMemberus-gaap:MeasurementInputDiscountRateMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MaximumMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:MeasurementInputDiscountRateMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembernmg3:DebtSecuritiesFirstLienMembersrt:WeightedAverageMemberus-gaap:MeasurementInputDiscountRateMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:OtherValuationTechniqueMembernmg3:DebtSecuritiesFirstLienMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembernmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:MinimumMembernmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:MaximumMembernmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:WeightedAverageMembernmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MinimumMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:MeasurementInputDiscountRateMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MaximumMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:MeasurementInputDiscountRateMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:WeightedAverageMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:MeasurementInputDiscountRateMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:SubordinatedDebtMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMemberus-gaap:SubordinatedDebtMembersrt:MinimumMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:MaximumMemberus-gaap:SubordinatedDebtMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMemberus-gaap:SubordinatedDebtMembersrt:WeightedAverageMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:SubordinatedDebtMembersrt:MinimumMemberus-gaap:MeasurementInputDiscountRateMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MaximumMemberus-gaap:SubordinatedDebtMemberus-gaap:MeasurementInputDiscountRateMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:SubordinatedDebtMembersrt:WeightedAverageMemberus-gaap:MeasurementInputDiscountRateMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:MinimumMemberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:MaximumMemberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputEbitdaMultipleMembersrt:WeightedAverageMemberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputRevenueMultipleMembersrt:MinimumMemberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MaximumMemberus-gaap:MeasurementInputRevenueMultipleMemberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:MeasurementInputRevenueMultipleMembersrt:WeightedAverageMemberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MinimumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:MeasurementInputDiscountRateMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:MaximumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:MeasurementInputDiscountRateMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembersrt:WeightedAverageMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:MeasurementInputDiscountRateMember2023-12-310001781870us-gaap:LineOfCreditMemberus-gaap:CarryingReportedAmountFairValueDisclosureMembernmg3:GSCreditFacilityMemberus-gaap:RevolvingCreditFacilityMember2024-03-310001781870us-gaap:LineOfCreditMembernmg3:GSCreditFacilityMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:RevolvingCreditFacilityMember2024-03-310001781870us-gaap:LineOfCreditMemberus-gaap:CarryingReportedAmountFairValueDisclosureMembernmg3:GSCreditFacilityMemberus-gaap:RevolvingCreditFacilityMember2023-12-310001781870us-gaap:LineOfCreditMembernmg3:GSCreditFacilityMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:RevolvingCreditFacilityMember2023-12-310001781870us-gaap:LineOfCreditMemberus-gaap:CarryingReportedAmountFairValueDisclosureMemberus-gaap:UnsecuredDebtMemberus-gaap:RevolvingCreditFacilityMember2024-03-310001781870us-gaap:LineOfCreditMemberus-gaap:UnsecuredDebtMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:RevolvingCreditFacilityMember2024-03-310001781870us-gaap:LineOfCreditMemberus-gaap:CarryingReportedAmountFairValueDisclosureMemberus-gaap:UnsecuredDebtMemberus-gaap:RevolvingCreditFacilityMember2023-12-310001781870us-gaap:LineOfCreditMemberus-gaap:UnsecuredDebtMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:RevolvingCreditFacilityMember2023-12-310001781870us-gaap:CarryingReportedAmountFairValueDisclosureMember2024-03-310001781870us-gaap:EstimateOfFairValueFairValueDisclosureMember2024-03-310001781870us-gaap:CarryingReportedAmountFairValueDisclosureMember2023-12-310001781870us-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementMember2024-03-012024-03-010001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementMember2024-03-310001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementQuarterlyHurdleRateMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementAnnualizedHurdleRateMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementPreIncentiveFeeNetInvestmentIncomeBelowCatchUpThresholdMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementQuarterlyCatchUpThresholdMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementAnnualizedCatchUpThresholdMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementPreIncentiveFeeNetInvestmentIncomeExceedsCatchUpThresholdMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementRealizedCapitalGainsAnnualizedCumulativeInternalRateOfReturnThresholdMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementRealizedCapitalGainsCumulativeNetRealizedGainsMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementRealizedCapitalGainsCumulativeNetRealizedGainsThresholdMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementRealizedCapitalGainsAdditionalUndistributedCumulativeNetRealizedGainsMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:ExpenseLimitationAndReimbursementAgreementMember2022-04-112022-04-110001781870srt:AffiliatedEntityMember2024-01-012024-03-310001781870srt:AffiliatedEntityMember2023-01-012023-03-310001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementPreIncentiveFeeNetInvestmentIncomeMember2024-01-012024-03-310001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementPreIncentiveFeeNetInvestmentIncomeMember2023-01-012023-03-310001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementRealizedCapitalGainsMember2024-01-012024-03-310001781870srt:AffiliatedEntityMembernmg3:AdministrationAgreementMember2024-01-012024-03-310001781870srt:AffiliatedEntityMembernmg3:AdministrationAgreementMember2023-01-012023-03-310001781870srt:AffiliatedEntityMembernmg3:AdministrationAgreementMember2024-03-310001781870srt:AffiliatedEntityMembernmg3:AdministrationAgreementMember2023-12-310001781870us-gaap:LineOfCreditMembernmg3:WellsCreditFacilityMemberus-gaap:RevolvingCreditFacilityMember2019-08-300001781870us-gaap:LineOfCreditMembernmg3:SecuredOvernightFinancingRateSOFRDailySimpleMemberus-gaap:RevolvingCreditFacilityMembernmg3:WellsCreditFacilityBroadlySyndicatedLoansMember2022-03-112022-03-110001781870us-gaap:LineOfCreditMembernmg3:SecuredOvernightFinancingRateSOFRDailySimpleMembernmg3:WellsCreditFacilityExcludingBroadlySyndicatedLoansMemberus-gaap:RevolvingCreditFacilityMember2022-03-112022-03-110001781870us-gaap:LineOfCreditMembernmg3:WellsCreditFacilityMemberus-gaap:RevolvingCreditFacilityMember2023-01-012023-03-310001781870us-gaap:UnsecuredDebtMembernmg3:Series2021ASeniorNotesTrancheAMember2021-08-040001781870us-gaap:UnsecuredDebtMembernmg3:Series2021ASeniorNotesTrancheBMember2021-12-210001781870us-gaap:UnsecuredDebtMembernmg3:Series2022AUnsecuredNotesMember2022-03-100001781870us-gaap:UnsecuredDebtMember2021-08-040001781870us-gaap:UnsecuredDebtMember2024-01-012024-03-310001781870us-gaap:UnsecuredDebtMember2023-01-012023-03-310001781870us-gaap:LineOfCreditMembernmg3:GSCreditFacilityMemberus-gaap:RevolvingCreditFacilityMember2023-11-282023-11-280001781870us-gaap:LineOfCreditMembernmg3:GSCreditFacilityMemberus-gaap:RevolvingCreditFacilityMember2023-11-280001781870us-gaap:LineOfCreditMembernmg3:GSCreditFacilityMemberus-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberus-gaap:RevolvingCreditFacilityMember2023-11-282023-11-280001781870nmg3:GSCreditFacilityMemberus-gaap:RevolvingCreditFacilityMember2024-01-012024-03-310001781870nmg3:GSCreditFacilityMember2024-01-012024-03-310001781870nmg3:FinancingCommitmentLetterToPurchaseInvestmentsMember2023-12-310001781870nmg3:FinancingCommitmentLetterToPurchaseInvestmentsMember2024-03-3100017818702024-03-072024-03-0700017818702024-03-202024-03-2000017818702023-03-302023-03-300001781870us-gaap:LineOfCreditMembernmg3:WellsCreditFacilityMember2023-01-012023-03-310001781870us-gaap:LineOfCreditMembernmg3:GSCreditFacilityMember2024-01-012024-03-310001781870us-gaap:SubsequentEventMember2024-04-232024-04-230001781870us-gaap:UnsecuredDebtMemberus-gaap:SubsequentEventMember2024-05-060001781870us-gaap:UnsecuredDebtMemberus-gaap:SubsequentEventMember2024-05-062024-05-06

0001781870FALSE--12-312024Q2xbrli:sharesiso4217:USDiso4217:USDxbrli:sharesxbrli:purenmg3:investmentnmg3:component00017818702024-01-012024-06-3000017818702024-08-1400017818702024-06-3000017818702023-12-310001781870srt:AffiliatedEntityMember2024-06-300001781870srt:AffiliatedEntityMember2023-12-310001781870us-gaap:NonrelatedPartyMember2024-06-300001781870us-gaap:NonrelatedPartyMember2023-12-3100017818702024-04-012024-06-3000017818702023-04-012023-06-3000017818702023-01-012023-06-3000017818702024-03-3100017818702023-03-3100017818702022-12-3100017818702023-06-300001781870nmg3:InvestmentsIncludingDelayedDrawFacilitiesMember2024-01-012024-06-300001781870nmg3:InvestmentsIncludingDelayedDrawFacilitiesMember2023-01-012023-06-300001781870nmg3:InvestmentsExcludingDrawnRevolversMember2024-01-012024-06-300001781870nmg3:InvestmentsExcludingDrawnRevolversMember2023-01-012023-06-300001781870nmg3:DrawnRevolversMember2024-01-012024-06-300001781870nmg3:DrawnRevolversMember2023-01-012023-06-300001781870nmg3:WellsCreditFacilityMember2024-01-012024-06-300001781870nmg3:WellsCreditFacilityMember2023-01-012023-06-300001781870GS Acquisitionco, Inc. First Lien 12024-06-300001781870GS Acquisitionco, Inc. First Lien 22024-06-300001781870nmg3:GSAcquisitioncoIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870AAH Topco, LLC, First Lien 12024-06-300001781870AAH Topco, LLC, First Lien 22024-06-300001781870AAH Topco, LLC, Subordinated2024-06-300001781870nmg3:AAHTopcoLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870OA Buyer, Inc., First Lien 12024-06-300001781870OA Buyer, Inc., First Lien 22024-06-300001781870OA Buyer, Inc., First Lien - Drawn 2024-06-300001781870nmg3:OABuyerIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Legal Spend Holdings, LLC (fka Bottomline Technologies, Inc.), First Lien 2024-06-300001781870Al Altius US Bidco, Inc., First Lien2024-06-300001781870KWOR Acquisition, Inc., First Lien 2024-06-300001781870KWOR Acquisition, Inc., First Lien- Drawn 2024-06-300001781870nmg3:KWORAcquisitionIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870CCBlue Bidco, Inc. First Lien 12024-06-300001781870CCBlue Bidco, Inc. First Lien 22024-06-300001781870nmg3:CCBlueBidcoIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Diamondback Acquisition, Inc., First Lien2024-06-300001781870Notorious Topco, LLC, First Lien 12024-06-300001781870Notorious Topco, LLC, First Lien 22024-06-300001781870nmg3:NotoriousTopcoLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Anaplan, Inc., First Lien2024-06-300001781870IG Investments Holdings, LLC, First Lien2024-06-300001781870Wealth Enhancement Group, LLC., First Lien 12024-06-300001781870Wealth Enhancement Group, LLC ., Subordinated2024-06-300001781870Wealth Enhancement Group, LLC., First Lien 22024-06-300001781870Wealth Enhancement Group, LLC., First Lien 32024-06-300001781870nmg3:WealthEnhancementGroupLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Ocala Bidco, Inc., First Lien2024-06-300001781870Ocala Bidco, Inc., First Lien Drawn 2024-06-300001781870nmg3:OcalaBidcoInc.Membernmg3:FundedDebtSecuritiesMember2024-06-300001781870DECA Dental Holdings LLC., First Lien 12024-06-300001781870DECA Dental Holdings LLC., First Lien 22024-06-300001781870DECA Dental Holdings LLC., First Lien 32024-06-300001781870nmg3:DECADentalHoldingsLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870iCIMS, Inc.., First Lien 12024-06-300001781870iCIMS, Inc.., First Lien 22024-06-300001781870iCIMS, Inc.., First Lien Drawn2024-06-300001781870nmg3:ICIMSIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Auctane Inc. (fka Stamps.com Inc.), First Lien 12024-06-300001781870Auctane Inc. (fka Stamps.com Inc.), First Lien 22024-06-300001781870nmg3:AuctaneIncFkaStampscomIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Pioneer Buyer I, LLC., First Lien 12024-06-300001781870Pioneer Buyer I, LLC., First Lien 22024-06-300001781870nmg3:PioneerBuyerILLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870FS WhiteWater Borrower, LLC, First Lien 12024-06-300001781870FS WhiteWater Borrower, LLC, First Lien 22024-06-300001781870FS WhiteWater Borrower, LLC, First Lien 32024-06-300001781870FS WhiteWater Borrower, LLC, First Lien - Drawn2024-06-300001781870nmg3:FSWhiteWaterBorrowerLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Sun Acquirer Corp., First Lien 12024-06-300001781870Sun Acquirer Corp., First Lien 22024-06-300001781870Sun Acquirer Corp., First Lien 32024-06-300001781870nmg3:SunAcquirerCorpMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Foreside Financial Group, LLC, First Lien 2024-06-300001781870Fortis Solutions Group, LLC., First Lien 12024-06-300001781870Fortis Solutions Group, LLC., First Lien Drawn 12024-06-300001781870Fortis Solutions Group, LLC., First Lien Drawn 22024-06-300001781870Fortis Solutions Group, LLC., First Lien 22024-06-300001781870nmg3:FortisSolutionsGroupLLCMember2024-06-300001781870nmg3:FortisSolutionsGroupLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Infogain Corporation., Subordinated 12024-06-300001781870Infogain Corporation, First Lien 1 2024-06-300001781870Infogain Corporation, First Lien 22024-06-300001781870nmg3:InfogainCorporationMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Icebox Holdco III, Inc., Second Lien 2024-06-300001781870Galway Borrower LLC., First Lien 2024-06-300001781870Galway Borrower LLC., First Lien Drawn 2024-06-300001781870nmg3:GalwayBorrowerLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870CFS Management, LLC., First Lien 12024-06-300001781870CFS Management, LLC., First Lien 22024-06-300001781870CFS Management, LLC., First Lien 32024-06-300001781870CFS Management, LLC., First Lien 42024-06-300001781870nmg3:CFSManagementLLCMember2024-06-300001781870nmg3:CFSManagementLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Kaseya Inc., First Lien 12024-06-300001781870Kaseya Inc., First Lien Drawn 12024-06-300001781870Fortis Solutions Group, LLC, First Lien - Drawn 12024-06-300001781870Kaseya Inc., First Lien Drawn 22024-06-300001781870nmg3:KaseyaIncMember2024-06-300001781870nmg3:KaseyaIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Businessolver.com, Inc., First Lien 2024-06-300001781870Businessolver.com, Inc., First Lien Drawn2024-06-300001781870nmg3:BusinessolvercomIncMember2024-06-300001781870nmg3:BusinessolvercomIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870USRP Holdings, Inc., First Lien 2024-06-300001781870Avalara, Inc.., First Lien 2024-06-300001781870DOCS, MSO, LLC., First Lien 2024-06-300001781870OB Hospitalist Group, Inc., First Lien2024-06-300001781870OB Hospitalist Group, Inc., First Lien - Drawn2024-06-300001781870nmg3:OBHospitalistGroupIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Foundational Education Group, Inc.., Second Lien2024-06-300001781870TigerConnect, Inc.., First Lien 2024-06-300001781870TigerConnect, Inc.., First Lien Drawn2024-06-300001781870nmg3:TigerConnectIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Daxko Acquisition Corporation., 2024-06-300001781870Daxko Acquisition Corporation., First Lien 22024-06-300001781870Daxko Acquisition Corporation., First Lien Drawn2024-06-300001781870Daxko Acquisition Corporation., First Lien 32024-06-300001781870nmg3:DaxkoAcquisitionCorporationMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Idera, Inc.., 2024-06-300001781870Idera, Inc., Second Lien 2024-06-300001781870Relativity ODA LLC, First Lien2024-06-300001781870Project Essential Bidco, Inc., First Lien 2024-06-300001781870Businessolver.com, Inc., First Lien - Drawn 2024-06-300001781870PDQ.com Corporation., First Lien2024-06-300001781870nmg3:PDQcomCorporationMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870ACI Group Holdings, Inc., First Lien 12024-06-300001781870Bullhorn, Inc., First Lien 22024-06-300001781870ACI Group Holdings, Inc., First Lien Drawn 12024-06-300001781870ACI Group Holdings, Inc., First Lien Drawn 22024-06-300001781870nmg3:ACIGroupHoldingsIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870NMC Crimson Holdings, Inc.., First Lien 12024-06-300001781870USRP Holdings, Inc., First Lien 2024-06-300001781870nmg3:NMCCrimsonHoldingsIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870DCA Investment Holding, LLC, First Lien 12024-06-300001781870DCA Investment Holding, LLC, First Lien 22024-06-300001781870DCA Investment Holding, LLC, First Lien 32024-06-300001781870DCA Investment Holding, LLC, First Lien 42024-06-300001781870nmg3:DCAInvestmentHoldingLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Syndigo LLC., Second Lien2024-06-300001781870DG Investment Intermediate Holdings 2, Inc., Second Lien2024-06-300001781870MRI Software LLC, First Lien 12024-06-300001781870MRI Software LLC, First Lien 22024-06-300001781870nmg3:MRISoftwareLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Allworth Financial Group, L.P., First Lien 12024-06-300001781870Diligent Corporation, First Lien - Drawn 2024-06-300001781870Diligent Corporation, First Lien 42024-06-300001781870nmg3:AllworthFinancialGroupLPMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Specialtycare, Inc.., First Lien 12024-06-300001781870Specialtycare, Inc.., First Lien Drawn 2024-06-300001781870TigerConnect, Inc., First Lien - Drawn 2024-06-300001781870nmg3:SpecialtycareIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Daxko Acquisition Corporation, First Lien 12024-06-300001781870Daxko Acquisition Corporation, First Lien 22024-06-300001781870AmeriVet Partners Management, Inc., First Lien 32024-06-300001781870nmg3:AmeriVetPartnersManagementIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Beacon Pointe Harmony, LLC., First Lien 12024-06-300001781870HS Purchaser, LLC / Help/Systems Holdings, Inc., Second Lien 2024-06-300001781870Beacon Pointe Harmony, LLC., First Lien Drawn 2024-06-300001781870nmg3:BeaconPointeHarmonyLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870GC Waves Holdings, Inc., First Lien2024-06-300001781870Maverick Bidco Inc., Second Lien2024-06-300001781870CRCI Longhorn Holdings, Inc., Second Lien2024-06-300001781870Trinity Air Consultants Holdings Corporation., First Lien2024-06-300001781870Trinity Air Consultants Holdings Corporation., First Lien Drawn2024-06-300001781870nmg3:TrinityAirConsultantsHoldingsCorporationMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870KPSKY Acquisition Inc., First Lien 12024-06-300001781870KPSKY Acquisition Inc., First Lien 22024-06-300001781870nmg3:KPSKYAcquisitionIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870CG Group Holdings, LLC., First Lien2024-06-300001781870CFS Management, LLC, First Lien Drawn 2024-06-300001781870nmg3:CGGroupHoldingsLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Radwell Parent, LLC, First Lien2024-06-300001781870Radwell Parent, LLC, First Lien - Drawn 12024-06-300001781870Radwell Parent, LLC, First Lien - Drawn 22024-06-300001781870nmg3:RadwellParentLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Huskies Parent, Inc., 2024-06-300001781870Huskies Parent, Inc., First Lien Drawn2024-06-300001781870nmg3:HuskiesParentIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Smile Doctors LLC., 2024-06-300001781870Smile Doctors LLC., First Lien Drawn2024-06-300001781870nmg3:SmileDoctorsLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Ministry Brands Holdings, LLC., 2024-06-300001781870Ministry Brands Holdings, LLC., First Lien 22024-06-300001781870nmg3:MinistryBrandsHoldingsLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Safety Borrower Holdings LLC., First Lien 2024-06-300001781870Safety Borrower Holdings LLC., First Lien Drawn2024-06-300001781870nmg3:SafetyBorrowerHoldingsLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Community Brands ParentCo, LLC., First Lien 2024-06-300001781870RealPage, Inc., Second Lien2024-06-300001781870Calabrio, Inc., First Lien 2024-06-300001781870Beacon Pointe Harmony, LLC, First Lien 12024-06-300001781870IMO Investor Holdings, Inc., First Lien 22024-06-300001781870nmg3:IMOInvestorHoldingsIncMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Therapy Brands Holdings LLC., Second Lien 2024-06-300001781870TMK Hawk Parent, Corp.., First Lien 2024-06-300001781870TMK Hawk Parent, Corp., Subordinated2024-06-300001781870nmg3:TMKHawkParentCorpMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC) First Lien2024-06-300001781870Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC) First Lien- Drawn2024-06-300001781870nmg3:BambooHealthHoldingsLLCFkaApprissHealthLLCMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Cloudera, Inc. Second Lien2024-06-300001781870AG Parent Holdings, LLC, First Lien, 2024-06-300001781870MH Sub I, LLC (Micro Holding Corp.), Second Lien, 2024-06-300001781870Kele Holdco, Inc., First Lien, 2024-06-300001781870Virtusa Corporation, Subordinated, 2024-06-300001781870Reorganized Careismatic Brands, LLC, Trust Claim2024-06-300001781870country:USus-gaap:InvestmentUnaffiliatedIssuerMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Aston FinCo S.a r.l. / Aston US Finco, LLC**, Second Lien,2024-06-300001781870country:GBus-gaap:InvestmentUnaffiliatedIssuerMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Project Boost Purchaser, LLC**, Second Lien,2024-06-300001781870country:CAus-gaap:InvestmentUnaffiliatedIssuerMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870us-gaap:InvestmentUnaffiliatedIssuerMembernmg3:FundedDebtSecuritiesMember2024-06-300001781870Dealer Tire Holdings, LLC(9) Preferred shares, 2024-06-300001781870ACI Parent Inc. (10), Preferred shares2024-06-300001781870Knockout Intermediate Holdings I Inc. (12), Preferred shares2024-06-300001781870Project Essential Super Parent, Inc., Preferred shares, 2024-06-300001781870Diligent Preferred Issuer, Inc. Preferred shares, 2024-06-300001781870Bamboo Health Intermediate Holdings (fka Appriss Health Intermediate Holdings, Inc.), Preferred shares, 2024-06-300001781870Ambrosia Holdco Corp (13), Ordinary shares 12024-06-300001781870Ambrosia Holdco Corp (13) , Ordinary shares 22024-06-300001781870nmg3:AmbrosiaHoldcoCorpMemberus-gaap:EquitySecuritiesMember2024-06-300001781870Pioneer Topco I, L.P. , Ordinary Shares2024-06-300001781870country:USus-gaap:InvestmentUnaffiliatedIssuerMember2024-06-300001781870us-gaap:InvestmentUnaffiliatedIssuerMemberus-gaap:EquitySecuritiesMember2024-06-300001781870Reorganized Careismatic Brands, LLC, Warrants,2024-06-300001781870country:USus-gaap:InvestmentUnaffiliatedIssuerMemberus-gaap:WarrantMember2024-06-300001781870us-gaap:InvestmentUnaffiliatedIssuerMembernmg3:FundedSecuritiesMember2024-06-300001781870AAH Topco, LLC, First Lien - Undrawn,2024-06-300001781870Allworth Financial Group, L.P. First Lien - Undrawn,2024-06-300001781870AmeriVet Partners Management, Inc.s, First Lien - Undrawn,2024-06-300001781870Bamboo Health Holdings, LLC (f/k/a Appriss Health, LLC), First Lien - Undrawn2024-06-300001781870Avalara, Inc., First Lien - Undrawn,2024-06-300001781870Beacon Pointe Harmony, LLC, First Lien- Undrawn, 12024-06-300001781870Beacon Pointe Harmony, LLCFirst Lien- Undrawn, 22024-06-300001781870nmg3:BeaconPointeHarmonyLLCMembernmg3:UnfundedDebtSecuritiesMember2024-06-300001781870Legal Spend Holdings, LLC (fka Bottomline Technologies, Inc.) First Lien- Undrawn2024-06-300001781870Businessolver.com, Inc., First Lien - Undrawn,2024-06-300001781870Calabrio, Inc., First Lien - Undrawn2024-06-300001781870Community Brands ParentCo, LLC First Lien - Undrawn, 2024-06-300001781870Daxko Acquisition Corporation, First Lien - Undrawn2024-06-300001781870Foreside Financial Group, LLC, First Lien) - Undrawn 12024-06-300001781870Foreside Financial Group, LLC, First Lien)- Undrawn, 22024-06-300001781870nmg3:ForesideFinancialGroupLLCMembernmg3:UnfundedDebtSecuritiesMember2024-06-300001781870Fortis Solutions Group, LLCPackaging, First Lien - Undrawn 12024-06-300001781870Fortis Solutions Group, LLCFirst Lien - Undrawn, 22024-06-300001781870nmg3:FortisSolutionsGroupLLCMembernmg3:UnfundedDebtSecuritiesMember2024-06-300001781870Galway Borrower LLC, First Lien - Undrawn,2024-06-300001781870iCIMS, Inc.First Lien - Undrawn 12024-06-300001781870iCIMS, Inc. First Lien - Undrawn, 22024-06-300001781870nmg3:ICIMSIncMembernmg3:UnfundedDebtSecuritiesMember2024-06-300001781870IMO Investor Holdings, Inc. First Lien- Undrawn,2024-06-300001781870Infogain Corporation, First Lien - Undrawn,2024-06-300001781870IG Investments Holdings, LLC, First Lien- Undrawn2024-06-300001781870GS Acquisitionco, Inc. First Lien - Undrawn,2024-06-300001781870Kaseya Inc. First Lien - Undrawn, 12024-06-300001781870Kaseya Inc., First Lien - Undrawn, 22024-06-300001781870nmg3:KonckoutIntermediateHoldingsIIncMembernmg3:UnfundedDebtSecuritiesMember2024-06-300001781870OB Hospitalist Group, Inc., First Lien - Undrawn, 2024-06-300001781870OA Buyer, Inc., First Lien- Undrawn2024-06-300001781870PDQ.com Corporation, First Lien- Undrawn,2024-06-300001781870Radwell Parent, LLC, First Lien - Undrawn, 12024-06-300001781870Radwell Parent, LLCFirst Lien - Undrawn, 22024-06-300001781870nmg3:RadwellParentLLCMembernmg3:UnfundedDebtSecuritiesMember2024-06-300001781870Relativity ODA LLC, First Lien- Undrawn, 2024-06-300001781870Safety Borrower Holdings LLC, First Lien- Undrawn,2024-06-300001781870Sun Acquirer Corp., First Lien - Undrawn,2024-06-300001781870TigerConnect, Inc., First Lien - Undrawn, 12024-06-300001781870TigerConnect, Inc. First Lien - Undrawn, 22024-06-300001781870nmg3:TigerConnectIncMembernmg3:UnfundedDebtSecuritiesMember2024-06-300001781870Trinity Air Consultants Holdings Corporation First Lien - Undrawn,2024-06-300001781870Trinity Air Consultants Holdings Corporation First Lien - Undrawn,22024-06-300001781870nmg3:TrinityAirConsultantsHoldingsCorporationMembernmg3:UnfundedDebtSecuritiesMember2024-06-300001781870USRP Holdings, Inc. First Lien - Undrawn, 2024-06-300001781870Wealth Enhancement Group, LLC, First Lien - Undrawn, 2024-06-300001781870FS WhiteWater Borrower, LLC, First Lien - Undrawn2024-06-300001781870Huskies Parent, Inc., First Lien - Undrawn, 2024-06-300001781870CG Group Holdings, LLCFirst Lien - Undrawn,2024-06-300001781870Specialtycare, Inc., First Lien - Undrawn, 2024-06-300001781870Ministry Brands Holdings, LLC First Lien - Undrawn, 2024-06-300001781870Smile Doctors LLCFirst Lien - Undrawn, 2024-06-300001781870Pioneer Buyer I, LLC First Lien - Undrawn, 2024-06-300001781870KWOR Acquisition, Inc., First Lien - Undrawn, 2024-06-300001781870DOCS, MSO, LLC, First Lien - Undrawn, 2024-06-300001781870ACI Group Holdings, Inc., First Lien - Undrawn, 12024-06-300001781870ACI Group Holdings, Inc.First Lien - Undrawn, 22024-06-300001781870nmg3:ACIGroupHoldingsIncMembernmg3:UnfundedDebtSecuritiesMember2024-06-300001781870Project Essential Bidco, Inc., First Lien - Undrawn, 2024-06-300001781870Notorious Topco, LLC, First Lien - Undrawn, 2024-06-300001781870country:USus-gaap:InvestmentUnaffiliatedIssuerMembernmg3:UnfundedDebtSecuritiesMember2024-06-300001781870us-gaap:InvestmentUnaffiliatedIssuerMembernmg3:UnfundedDebtSecuritiesMember2024-06-300001781870us-gaap:InvestmentUnaffiliatedIssuerMember2024-06-300001781870Pioneer Buyer I, LLC, First Lien - Undrawn 2024-06-300001781870 Appriss Health Holdings, Inc., Wholly-owned subsidiaries2024-06-300001781870 Project Essential Topco, Inc., Wholly-owned subsidiaries2024-06-300001781870ACI Parent Inc., First lien - Delayed Draw2024-06-300001781870Kaseya Inc., First lien - Delayed Draw2024-06-300001781870nmg3:DebtSecuritiesFirstLienMembernmg3:InvestmentTypeConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870nmg3:DebtSecuritiesSecondLienMembernmg3:InvestmentTypeConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870us-gaap:SubordinatedDebtMembernmg3:InvestmentTypeConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870us-gaap:OtherAggregatedInvestmentsMembernmg3:InvestmentTypeConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870nmg3:SoftwareSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870us-gaap:HealthcareSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870nmg3:BusinessServicesSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870nmg3:ConsumerServicesSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870us-gaap:TransportationSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870us-gaap:FinancialServicesSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870nmg3:ConsumerProductsSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870us-gaap:ContainerAndPackagingSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870nmg3:EducationSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870us-gaap:ChemicalsSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870nmg3:DebtSecuritiesFloatingInterestRateMembernmg3:InterestRateTypeRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870nmg3:DebtSecuritiesFixedInterestRateMembernmg3:InterestRateTypeRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-06-300001781870Recorded Future, Inc., First Lien 12023-12-310001781870Recorded Future, Inc., First Lien 22023-12-310001781870nmg3:RecordedFutureIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870GS Acquisitionco, Inc., First Lien2023-12-310001781870AAH Topco, LLC, First Lien 12023-12-310001781870AAH Topco, LLC, First Lien 22023-12-310001781870AAH Topco, LLC, Subordinated 2023-12-310001781870nmg3:AAHTopcoLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Legal Spend Holdings, LLC (fka Bottomline Technologies, Inc.), First Lien 2023-12-310001781870OA Buyer, Inc., First Lien 72023-12-310001781870OA Buyer, Inc., First Lien 82023-12-310001781870nmg3:OABuyerIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Wealth Enhancement Group, LLC, First Lien 12023-12-310001781870Wealth Enhancement Group, LLC, Subordinated 2023-12-310001781870Wealth Enhancement Group, LLC, First Lien 22023-12-310001781870Wealth Enhancement Group, LLC, First Lien 32023-12-310001781870nmg3:WealthEnhancementGroupLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Al Altius US Bidco, Inc., First Lien 12023-12-310001781870Al Altius US Bidco, Inc., First Lien 22023-12-310001781870nmg3:AlAltiusUSBidcoIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870KWOR Acquisition, Inc., First Lien 2023-12-310001781870KWOR Acquisition, Inc., First Lien - Drawn2023-12-310001781870nmg3:KWORAcquisitionIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870CCBlue Bidco, Inc., First Lien 12023-12-310001781870CCBlue Bidco, Inc., First Lien 22023-12-310001781870nmg3:CCBlueBidcoIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Diamondback Acquisition, Inc., First Lien 2023-12-310001781870Notorious Topco, LLC, First Lien 12023-12-310001781870Notorious Topco, LLC, First Lien 22023-12-310001781870Notorious Topco, LLC, First Lien - Drawn 2023-12-310001781870nmg3:NotoriousTopcoLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Anaplan, Inc., First Lien 2023-12-310001781870GraphPAD Software, LLC, First Lien 12023-12-310001781870GraphPAD Software, LLC, First Lien 22023-12-310001781870GraphPAD Software, LLC, First Lien 32023-12-310001781870GraphPAD Software, LLC, First Lien 42023-12-310001781870GraphPAD Software, LLC, First Lien - Drawn 2023-12-310001781870nmg3:GraphPADSoftwareLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870IG Investments Holdings, LLC, First Lien 2023-12-310001781870Auctane Inc. (fka Stamps.com Inc.), First Lien 12023-12-310001781870Auctane Inc. (fka Stamps.com Inc.), First Lien 22023-12-310001781870nmg3:AuctaneIncFkaStampscomIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Associations, Inc., First Lien 12023-12-310001781870Associations, Inc., First Lien 22023-12-310001781870Associations, Inc., First Lien 32023-12-310001781870Associations, Inc., First Lien 42023-12-310001781870Associations, Inc., First Lien 52023-12-310001781870Associations, Inc., First Lien - Drawn 2023-12-310001781870nmg3:AssociationsIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870DECA Dental Holdings LLC, First Lien 12023-12-310001781870DECA Dental Holdings LLC, First Lien 22023-12-310001781870DECA Dental Holdings LLC, First Lien - Drawn2023-12-310001781870nmg3:DECADentalHoldingsLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870iCIMS, Inc., First Lien 12023-12-310001781870iCIMS, Inc., First Lien 22023-12-310001781870iCIMS, Inc., First Lien - Drawn 2023-12-310001781870nmg3:ICIMSIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Ocala Bidco, Inc., First Lien 2023-12-310001781870Pioneer Buyer I, LLC, First Lien 12023-12-310001781870Pioneer Buyer I, LLC, First Lien 22023-12-310001781870nmg3:PioneerBuyerILLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Sun Acquirer Corp., First Lien 12023-12-310001781870Sun Acquirer Corp., First Lien 22023-12-310001781870Sun Acquirer Corp., First Lien 32023-12-310001781870Sun Acquirer Corp., First Lien - Drawn 2023-12-310001781870nmg3:SunAcquirerCorpMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Infogain Corporation, Subordinated2023-12-310001781870Infogain Corporation, First Lien 12023-12-310001781870Infogain Corporation, First Lien 22023-12-310001781870nmg3:InfogainCorporationMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Business Services, First Lien 2023-12-310001781870Business Services, First Lien - Drawn 2023-12-310001781870nmg3:BusinessServicesSectorMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Galway Borrower LLC, First Lien 2023-12-310001781870Fortis Solutions Group, LLC, First Lien 12023-12-310001781870Fortis Solutions Group, LLC, First Lien - Drawn 12023-12-310001781870Fortis Solutions Group, LLC, First Lien - Drawn 22023-12-310001781870Fortis Solutions Group, LLC, First Lien 22023-12-310001781870nmg3:FortisSolutionsGroupLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870FS WhiteWater Borrower, LLC, First Lien 12023-12-310001781870FS WhiteWater Borrower, LLC, First Lien 22023-12-310001781870FS WhiteWater Borrower, LLC, First Lien 32023-12-310001781870FS WhiteWater Borrower, LLC, First Lien - Drawn 2023-12-310001781870nmg3:FSWhiteWaterBorrowerLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Pye-Barker Fire & Safety, LLC, First Lien 12023-12-310001781870Pye-Barker Fire & Safety, LLC, First Lien 22023-12-310001781870nmg3:PyeBarkerFireSafetyLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Icebox Holdco III, Inc., Second Lien 2023-12-310001781870CFS Management, LLC, First Lien 12023-12-310001781870CFS Management, LLC, First Lien 22023-12-310001781870CFS Management, LLC, First Lien 32023-12-310001781870CFS Management, LLC, First Lien - Drawn 2023-12-310001781870nmg3:CFSManagementLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870OEConnection LLC, Second Lien 12023-12-310001781870OEConnection LLC, Second Lien 22023-12-310001781870nmg3:OEConnectionLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Kaseya Inc., First Lien 2023-12-310001781870Kaseya Inc., First Lien - Drawn 12023-12-310001781870Kaseya Inc., First Lien - Drawn 22023-12-310001781870nmg3:KaseyaIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Idera, Inc., Second Lien 2023-12-310001781870MRI Software LLC, First Lien 12023-12-310001781870MRI Software LLC, First Lien 22023-12-310001781870nmg3:MRISoftwareLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Businessolver.com, Inc., First Lien 2023-12-310001781870Businessolver.com, Inc., First Lien - Drawn 2023-12-310001781870nmg3:BusinessolvercomIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870TRC Companies L.L.C. (fka Energize Holdco LLC), Second Lien 2023-12-310001781870Bullhorn, Inc., First Lien 12023-12-310001781870Bullhorn, Inc., First Lien 22023-12-310001781870Bullhorn, Inc., First Lien 32023-12-310001781870Bullhorn, Inc., First Lien 42023-12-310001781870Bullhorn, Inc., First Lien 52023-12-310001781870nmg3:BullhornIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870USRP Holdings, Inc., First Lien 2023-12-310001781870Avalara, Inc., First Lien 2023-12-310001781870MED Parentco, LP, Second Lien 2023-12-310001781870DOCS, MSO, LLC, First Lien 2023-12-310001781870KAMC Holdings, Inc, Second Lien 2023-12-310001781870OB Hospitalist Group, Inc., First Lien 2023-12-310001781870OB Hospitalist Group, Inc., First Lien - Drawn 2023-12-310001781870nmg3:OBHospitalistGroupIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Diligent Corporation, First Lien 12023-12-310001781870Diligent Corporation, First Lien 22023-12-310001781870Diligent Corporation, First Lien 32023-12-310001781870Diligent Corporation, First Lien - Drawn 2023-12-310001781870Diligent Corporation, First Lien 42023-12-310001781870Diligent Corporation, First Lien 52023-12-310001781870nmg3:DiligentCorporationMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Foundational Education Group, Inc., Second Lien 2023-12-310001781870Daxko Acquisition Corporation, First Lien 12023-12-310001781870Daxko Acquisition Corporation, First Lien 22023-12-310001781870Daxko Acquisition Corporation, First Lien - Drawn 12023-12-310001781870Daxko Acquisition Corporation, First Lien - Drawn 22023-12-310001781870nmg3:DaxkoAcquisitionCorporationMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870TigerConnect, Inc., First Lien 2023-12-310001781870TigerConnect, Inc., First Lien - Drawn 2023-12-310001781870nmg3:TigerConnectIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870HS Purchaser, LLC / Help/Systems Holdings, Inc., Second Lien 2023-12-310001781870Relativity ODA LLC, First Lien 12023-12-310001781870Project Essential Bidco, Inc., First Lien 2023-12-310001781870Granicus, Inc., First Lien 12023-12-310001781870Granicus, Inc., First Lien 22023-12-310001781870Granicus, Inc., First Lien - Drawn 2023-12-310001781870nmg3:GranicusIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870AmeriVet Partners Management, Inc., First Lien 12023-12-310001781870AmeriVet Partners Management, Inc., First Lien 22023-12-310001781870AmeriVet Partners Management, Inc., First Lien 32023-12-310001781870nmg3:AmeriVetPartnersManagementIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870NMC Crimson Holdings, Inc., First Lien 12023-12-310001781870NMC Crimson Holdings, Inc., First Lien 22023-12-310001781870nmg3:NMCCrimsonHoldingsIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870DCA Investment Holding, LLC, First Lien 12023-12-310001781870DCA Investment Holding, LLC, First Lien 22023-12-310001781870DCA Investment Holding, LLC, First Lien 32023-12-310001781870DCA Investment Holding, LLC, First Lien 42023-12-310001781870nmg3:DCAInvestmentHoldingLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870ACI Group Holdings, Inc., First Lien 12023-12-310001781870ACI Group Holdings, Inc., First Lien 22023-12-310001781870ACI Group Holdings, Inc., First Lien - Drawn 12023-12-310001781870ACI Group Holdings, Inc., First Lien - Drawn 22023-12-310001781870nmg3:ACIGroupHoldingsIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Syndigo LLC, Second Lien 2023-12-310001781870Allworth Financial Group, L.P., First Lien 12023-12-310001781870Allworth Financial Group, L.P., First Lien 22023-12-310001781870Allworth Financial Group, L.P., First Lien 32023-12-310001781870nmg3:AllworthFinancialGroupLPMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Specialtycare, Inc., First Lien 12023-12-310001781870Specialtycare, Inc., First Lien 22023-12-310001781870Specialtycare, Inc., First Lien - Drawn 2023-12-310001781870nmg3:SpecialtycareIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870DG Investment Intermediate Holdings 2, Inc., Second Lien 2023-12-310001781870PDQ.com Corporation, First Lien 12023-12-310001781870PDQ.com Corporation, First Lien - Drawn 2023-12-310001781870nmg3:PDQcomCorporationMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870GC Waves Holdings, Inc., First Lien 2023-12-310001781870Maverick Bidco Inc., Second Lien 2023-12-310001781870CRCI Longhorn Holdings, Inc., Second Lien 2023-12-310001781870Beacon Pointe Harmony, LLC, First Lien 12023-12-310001781870Beacon Pointe Harmony, LLC, First Lien 22023-12-310001781870Beacon Pointe Harmony, LLC, First Lien - Drawn 2023-12-310001781870nmg3:BeaconPointeHarmonyLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Trinity Air Consultants Holdings Corporation, First Lien 12023-12-310001781870Trinity Air Consultants Holdings Corporation, First Lien - Drawn 2023-12-310001781870nmg3:TrinityAirConsultantsHoldingsCorporationMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Coyote Buyer, LLC, First Lien 12023-12-310001781870Coyote Buyer, LLC, First Lien 22023-12-310001781870nmg3:CoyoteBuyerLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870KPSKY Acquisition Inc., First Lien 12023-12-310001781870KPSKY Acquisition Inc., First Lien 22023-12-310001781870nmg3:KPSKYAcquisitionIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870CG Group Holdings, LLC, First Lien 2023-12-310001781870CG Group Holdings, LLC, First Lien - Drawn 2023-12-310001781870nmg3:CGGroupHoldingsLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Huskies Parent, Inc., First Lien 2023-12-310001781870Huskies Parent, Inc., First Lien - Drawn 2023-12-310001781870nmg3:HuskiesParentIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Radwell Parent, LLC, First Lien 2023-12-310001781870Radwell Parent, LLC, First Lien - Drawn 12023-12-310001781870Radwell Parent, LLC, First Lien - Drawn 22023-12-310001781870nmg3:RadwellParentLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Ministry Brands Holdings, LLC, First Lien 12023-12-310001781870Ministry Brands Holdings, LLC, First Lien 22023-12-310001781870Ministry Brands Holdings, LLC, First Lien - Drawn 2023-12-310001781870nmg3:MinistryBrandsHoldingsLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Smile Doctors LLC, First Lien 2023-12-310001781870EAB Global, Inc., Second Lien 2023-12-310001781870Safety Borrower Holdings LLC, First Lien 2023-12-310001781870Safety Borrower Holdings LLC, First Lien - Drawn 2023-12-310001781870nmg3:SafetyBorrowerHoldingsLLCMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Community Brands ParentCo, LLC, First Lien 2023-12-310001781870USIC Holdings, Inc., Second Lien 2023-12-310001781870YLG Holdings, Inc., First Lien 2023-12-310001781870YLG Holdings, Inc., First Lien - Drawn 2023-12-310001781870nmg3:YLGHoldingsIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870TMK Hawk Parent, Corp., First Lien 12023-12-310001781870TMK Hawk Parent, Corp.,First Lien 22023-12-310001781870TMK Hawk Parent, Corp.,First Lien 32023-12-310001781870nmg3:TMKHawkParentCorpMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870RealPage, Inc., Second Lien 2023-12-310001781870Calabrio, Inc., First Lien 2023-12-310001781870Calabrio, Inc.,First Lien - Drawn2023-12-310001781870nmg3:CalabrioIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Therapy Brands Holdings LLC, Second Lien 2023-12-310001781870IMO Investor Holdings, Inc., First Lien 2023-12-310001781870IMO Investor Holdings, Inc., First Lien - Drawn 12023-12-310001781870IMO Investor Holdings, Inc., First Lien - Drawn 22023-12-310001781870nmg3:IMOInvestorHoldingsIncMembernmg3:FundedDebtSecuritiesMember2023-12-310001781870Appriss Health, LLC, First Lien 2023-12-310001781870Mamba Purchaser, Inc., Second Lien 2023-12-310001781870Cloudera, Inc., Second Lien 2023-12-310001781870Alegeus Technologies Holdings Corp., First Lien 2023-12-310001781870AG Parent Holdings, LLC, First Lien 2023-12-310001781870MH Sub I, LLC (Micro Holding Corp.), Second Lien2023-12-310001781870Kele Holdco, Inc., First Lien 2023-12-310001781870Virtusa Corporation, Subordinated2023-12-310001781870New Trojan Parent, Inc., Second Lien 2023-12-310001781870country:USnmg3:FundedDebtSecuritiesMember2023-12-310001781870Aston FinCo S.a r.l. / Aston US Finco, LLC, Second Lien 2023-12-310001781870country:GBnmg3:FundedDebtSecuritiesMember2023-12-310001781870Project Boost Purchaser, LLC, Second Lien 2023-12-310001781870country:CAnmg3:FundedDebtSecuritiesMember2023-12-310001781870nmg3:FundedDebtSecuritiesMember2023-12-310001781870Dealer Tire Holdings, LLC, Preferred shares 2023-12-310001781870OEC Holdco, LLC, Preferred shares 2023-12-310001781870ACI Parent Inc., Preferred shares 2023-12-310001781870Knockout Intermediate Holdings I Inc., Preferred shares 2023-12-310001781870Project Essential Super Parent, Inc., Preferred shares 2023-12-310001781870Diligent Preferred Issuer, Inc., Preferred shares 2023-12-310001781870Appriss Health Intermediate Holdings, Inc., Preferred shares 2023-12-310001781870Pioneer Topco I, L.P., Ordinary shares2023-12-310001781870country:USus-gaap:EquitySecuritiesMember2023-12-310001781870us-gaap:EquitySecuritiesMember2023-12-310001781870nmg3:FundedSecuritiesMember2023-12-310001781870KWOR Acquisition, Inc., First Lien - Undrawn 2023-12-310001781870AAH Topco, LLC, First Lien - Undrawn 2023-12-310001781870Allworth Financial Group, L.P., First Lien - Undrawn 2023-12-310001781870AmeriVet Partners Management, Inc., First Lien - Undrawn 2023-12-310001781870Coyote Buyer, LLC, First Lien - Undrawn2023-12-310001781870Appriss Health, LLC, First Lien - Undrawn 2023-12-310001781870Associations, Inc., First Lien - Undrawn 2023-12-310001781870Avalara, Inc., First Lien - Undrawn 2023-12-310001781870Legal Spend Holdings, LLC (fka Bottomline Technologies, Inc.), First Lien - Undrawn 2023-12-310001781870Bullhorn, Inc., First Lien - Undrawn 2023-12-310001781870Businessolver.com, Inc., First Lien - Undrawn 2023-12-310001781870Daxko Acquisition Corporation, First Lien - Undrawn 12023-12-310001781870Daxko Acquisition Corporation, First Lien - Undrawn 22023-12-310001781870nmg3:DaxkoAcquisitionCorporationMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870Foreside Financial Group, LLC, First Lien - Undrawn 12023-12-310001781870Foreside Financial Group, LLC, First Lien - Undrawn 22023-12-310001781870nmg3:ForesideFinancialGroupLLCMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870Galway Borrower LLC, First Lien - Undrawn 2023-12-310001781870Granicus, Inc., First Lien - Undrawn 2023-12-310001781870iCIMS, Inc., First Lien - Undrawn 12023-12-310001781870iCIMS, Inc., First Lien - Undrawn 22023-12-310001781870nmg3:ICIMSIncMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870Infogain Corporation, First Lien - Undrawn 2023-12-310001781870Ocala Bidco, Inc., First Lien - Undrawn 2023-12-310001781870IG Investments Holdings, LLC, First Lien - Undrawn 2023-12-310001781870GraphPAD Software, LLC, First Lien - Undrawn 2023-12-310001781870GS Acquisitionco, Inc., First Lien - Undrawn 2023-12-310001781870Kaseya Inc., First Lien - Undrawn 12023-12-310001781870Kaseya Inc., First Lien - Undrawn 22023-12-310001781870nmg3:KaseyaIncMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870OA Buyer, Inc., First Lien - Undrawn 2023-12-310001781870Pioneer Buyer I, LLC, First Lien - Undrawn 2023-12-310001781870PDQ.com Corporation, First Lien - Undrawn 2023-12-310001781870Pye-Barker Fire & Safety, LLC, First Lien - Undrawn 2023-12-310001781870Radwell Parent, LLC, First Lien - Undrawn 12023-12-310001781870Radwell Parent, LLC, First Lien - Undrawn 22023-12-310001781870nmg3:RadwellParentLLCMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870Recorded Future, Inc., First Lien - Undrawn 2023-12-310001781870Relativity ODA LLC, First Lien - Undrawn 2023-12-310001781870Safety Borrower Holdings LLC, First Lien - Undrawn 2023-12-310001781870Trinity Air Consultants Holdings Corporation, First Lien - Undrawn 12023-12-310001781870Trinity Air Consultants Holdings Corporation, First Lien - Undrawn 22023-12-310001781870nmg3:TrinityAirConsultantsHoldingsCorporationMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870USRP Holdings, Inc., First Lien - Undrawn 2023-12-310001781870Wealth Enhancement Group, LLC, First Lien - Undrawn 2023-12-310001781870YLG Holdings, Inc., First Lien - Undrawn 2023-12-310001781870Calabrio, Inc., First Lien - Undrawn2023-12-310001781870MRI Software LLC, First Lien - Undrawn 2023-12-310001781870DECA Dental Holdings LLC, First Lien - Undrawn 2023-12-310001781870Ministry Brands Holdings, LLC, First Lien - Undrawn 2023-12-310001781870Specialtycare, Inc., First Lien - Undrawn 2023-12-310001781870Sun Acquirer Corp., First Lien - Undrawn 2023-12-310001781870CG Group Holdings, LLC, First Lien - Undrawn 2023-12-310001781870IMO Investor Holdings, Inc., First Lien - Undrawn 12023-12-310001781870IMO Investor Holdings, Inc., First Lien - Undrawn 22023-12-310001781870nmg3:IMOInvestorHoldingsIncMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870Smile Doctors LLC, First Lien - Undrawn 2023-12-310001781870Beacon Pointe Harmony, LLC, First Lien - Undrawn 12023-12-310001781870Beacon Pointe Harmony, LLC, First Lien - Undrawn 22023-12-310001781870nmg3:BeaconPointeHarmonyLLCMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870Diligent Corporation, First Lien - Undrawn 2023-12-310001781870TigerConnect, Inc., First Lien - Undrawn 12023-12-310001781870TigerConnect, Inc., First Lien - Undrawn 22023-12-310001781870nmg3:TigerConnectIncMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870FS WhiteWater Borrower, LLC, First Lien - Undrawn 2023-12-310001781870Community Brands ParentCo, LLC, First Lien - Undrawn 12023-12-310001781870Community Brands ParentCo, LLC, First Lien - Undrawn 22023-12-310001781870nmg3:CommunityBrandsParentCoLLCMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870DOCS, MSO, LLC, First Lien - Undrawn 2023-12-310001781870OB Hospitalist Group, Inc., First Lien - Undrawn 2023-12-310001781870Fortis Solutions Group, LLC, First Lien - Undrawn 12023-12-310001781870Fortis Solutions Group, LLC, First Lien - Undrawn 22023-12-310001781870nmg3:FortisSolutionsGroupLLCMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870ACI Group Holdings, Inc., First Lien - Undrawn 2023-12-310001781870ACI Group Holdings, Inc., First Lien - Undrawn 2023-12-310001781870nmg3:ACIGroupHoldingsIncMembernmg3:UnfundedDebtSecuritiesMember2023-12-310001781870CFS Management, LLC, First Lien - Undrawn 2023-12-310001781870Project Essential Bidco, Inc., First Lien - Undrawn 2023-12-310001781870Notorious Topco, LLC, First Lien - Undrawn 2023-12-310001781870country:USnmg3:UnfundedDebtSecuritiesMember2023-12-310001781870nmg3:UnfundedDebtSecuritiesMember2023-12-310001781870us-gaap:InvestmentUnaffiliatedIssuerMember2023-12-310001781870Appriss Health Intermediate Holdings, Inc., Preferred shares2023-12-310001781870Appriss Health Intermediate Holdings, Inc., Preferred shares2023-01-012023-12-310001781870Project Essential Super Parent, Inc., Preferred shares2023-12-310001781870Project Essential Super Parent, Inc., Preferred shares2023-01-012023-12-310001781870Diligent Preferred Issuer, Inc., Preferred shares2023-12-310001781870Diamond Parent Holdings Corp., First lien2023-12-310001781870Diamond Parent Holdings Corp., First lien - Delayed Draw2023-12-310001781870Diligent Preferred Issuer, Inc., Preferred shares2023-01-012023-12-310001781870Dealer Tire Holdings, LLC, Preferred shares2023-01-012023-12-310001781870ACI Parent Inc., Preferred shares2023-01-012023-12-310001781870OEC Holdco, LLC, Preferred shares2023-12-310001781870OEC Holdco, LLC, Preferred shares2023-01-012023-12-310001781870Knockout Intermediate Holdings I Inc., Preferred shares2023-01-012023-12-310001781870nmg3:DebtSecuritiesFirstLienMembernmg3:InvestmentTypeConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:DebtSecuritiesSecondLienMembernmg3:InvestmentTypeConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870us-gaap:SubordinatedDebtMembernmg3:InvestmentTypeConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870us-gaap:OtherAggregatedInvestmentsMembernmg3:InvestmentTypeConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-3100017818702024-01-012024-03-310001781870nmg3:SoftwareSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:BusinessServicesSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870us-gaap:HealthcareSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:ConsumerServicesSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870us-gaap:TransportationSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870us-gaap:FinancialServicesSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:ConsumerProductsSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870us-gaap:ContainerAndPackagingSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:EducationSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870us-gaap:ChemicalsSectorMembernmg3:IndustryConcentrationRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:DebtSecuritiesFloatingInterestRateMembernmg3:InterestRateTypeRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:DebtSecuritiesFixedInterestRateMembernmg3:InterestRateTypeRiskMembernmg3:InvestmentsAtFairValueMember2024-01-012024-03-310001781870nmg3:NewMountainCapitalMember2024-06-300001781870us-gaap:PrivatePlacementMember2019-07-152019-07-1500017818702021-10-152021-10-1500017818702019-07-150001781870srt:MinimumMember2024-01-012024-06-300001781870srt:MaximumMember2024-01-012024-06-300001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementMember2024-01-012024-06-300001781870nmg3:DebtSecuritiesFirstLienMember2024-06-300001781870nmg3:DebtSecuritiesSecondLienMember2024-06-300001781870us-gaap:SubordinatedDebtMember2024-06-300001781870us-gaap:OtherAggregatedInvestmentsMember2024-06-300001781870nmg3:SoftwareSectorMember2024-06-300001781870us-gaap:HealthcareSectorMember2024-06-300001781870nmg3:BusinessServicesSectorMember2024-06-300001781870nmg3:ConsumerServicesSectorMember2024-06-300001781870us-gaap:TransportationSectorMember2024-06-300001781870us-gaap:FinancialServicesSectorMember2024-06-300001781870nmg3:ConsumerProductsSectorMember2024-06-300001781870us-gaap:ContainerAndPackagingSectorMember2024-06-300001781870nmg3:EducationSectorMember2024-06-300001781870us-gaap:ChemicalsSectorMember2024-06-300001781870nmg3:DebtSecuritiesFirstLienMember2023-12-310001781870nmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:SubordinatedDebtMember2023-12-310001781870us-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870nmg3:SoftwareSectorMember2023-12-310001781870nmg3:BusinessServicesSectorMember2023-12-310001781870us-gaap:HealthcareSectorMember2023-12-310001781870nmg3:ConsumerServicesSectorMember2023-12-310001781870us-gaap:TransportationSectorMember2023-12-310001781870us-gaap:FinancialServicesSectorMember2023-12-310001781870nmg3:ConsumerProductsSectorMember2023-12-310001781870us-gaap:ContainerAndPackagingSectorMember2023-12-310001781870nmg3:EducationSectorMember2023-12-310001781870us-gaap:ChemicalsSectorMember2023-12-310001781870nmg3:DebtSecuritiesFirstLienMember2024-06-300001781870us-gaap:FairValueInputsLevel1Membernmg3:DebtSecuritiesFirstLienMember2024-06-300001781870us-gaap:FairValueInputsLevel2Membernmg3:DebtSecuritiesFirstLienMember2024-06-300001781870us-gaap:FairValueInputsLevel3Membernmg3:DebtSecuritiesFirstLienMember2024-06-300001781870nmg3:DebtSecuritiesSecondLienMember2024-06-300001781870us-gaap:FairValueInputsLevel1Membernmg3:DebtSecuritiesSecondLienMember2024-06-300001781870us-gaap:FairValueInputsLevel2Membernmg3:DebtSecuritiesSecondLienMember2024-06-300001781870us-gaap:FairValueInputsLevel3Membernmg3:DebtSecuritiesSecondLienMember2024-06-300001781870us-gaap:SubordinatedDebtMember2024-06-300001781870us-gaap:FairValueInputsLevel1Memberus-gaap:SubordinatedDebtMember2024-06-300001781870us-gaap:FairValueInputsLevel2Memberus-gaap:SubordinatedDebtMember2024-06-300001781870us-gaap:FairValueInputsLevel3Memberus-gaap:SubordinatedDebtMember2024-06-300001781870us-gaap:OtherAggregatedInvestmentsMember2024-06-300001781870us-gaap:FairValueInputsLevel1Memberus-gaap:OtherAggregatedInvestmentsMember2024-06-300001781870us-gaap:FairValueInputsLevel2Memberus-gaap:OtherAggregatedInvestmentsMember2024-06-300001781870us-gaap:FairValueInputsLevel3Memberus-gaap:OtherAggregatedInvestmentsMember2024-06-300001781870us-gaap:FairValueInputsLevel1Member2024-06-300001781870us-gaap:FairValueInputsLevel2Member2024-06-300001781870us-gaap:FairValueInputsLevel3Member2024-06-300001781870nmg3:DebtSecuritiesFirstLienMember2023-12-310001781870us-gaap:FairValueInputsLevel1Membernmg3:DebtSecuritiesFirstLienMember2023-12-310001781870us-gaap:FairValueInputsLevel2Membernmg3:DebtSecuritiesFirstLienMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:DebtSecuritiesFirstLienMember2023-12-310001781870nmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:FairValueInputsLevel1Membernmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:FairValueInputsLevel2Membernmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:SubordinatedDebtMember2023-12-310001781870us-gaap:FairValueInputsLevel1Memberus-gaap:SubordinatedDebtMember2023-12-310001781870us-gaap:FairValueInputsLevel2Memberus-gaap:SubordinatedDebtMember2023-12-310001781870us-gaap:FairValueInputsLevel3Memberus-gaap:SubordinatedDebtMember2023-12-310001781870us-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870us-gaap:FairValueInputsLevel1Memberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870us-gaap:FairValueInputsLevel2Memberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870us-gaap:FairValueInputsLevel3Memberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870us-gaap:FairValueInputsLevel1Member2023-12-310001781870us-gaap:FairValueInputsLevel2Member2023-12-310001781870us-gaap:FairValueInputsLevel3Member2023-12-310001781870us-gaap:InvestmentsMember2024-03-310001781870nmg3:DebtSecuritiesFirstLienMember2024-03-310001781870nmg3:DebtSecuritiesSecondLienMember2024-03-310001781870us-gaap:SubordinatedDebtMember2024-03-310001781870us-gaap:OtherAggregatedInvestmentsMember2024-03-310001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:InvestmentsMember2024-04-012024-06-300001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMembernmg3:DebtSecuritiesFirstLienMember2024-04-012024-06-300001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMembernmg3:DebtSecuritiesSecondLienMember2024-04-012024-06-300001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:SubordinatedDebtMember2024-04-012024-06-300001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:OtherAggregatedInvestmentsMember2024-04-012024-06-300001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:InvestmentsMember2024-04-012024-06-300001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMembernmg3:DebtSecuritiesFirstLienMember2024-04-012024-06-300001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMembernmg3:DebtSecuritiesSecondLienMember2024-04-012024-06-300001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:SubordinatedDebtMember2024-04-012024-06-300001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:OtherAggregatedInvestmentsMember2024-04-012024-06-300001781870us-gaap:InvestmentsMember2024-04-012024-06-300001781870nmg3:DebtSecuritiesFirstLienMember2024-04-012024-06-300001781870nmg3:DebtSecuritiesSecondLienMember2024-04-012024-06-300001781870us-gaap:SubordinatedDebtMember2024-04-012024-06-300001781870us-gaap:OtherAggregatedInvestmentsMember2024-04-012024-06-300001781870us-gaap:InvestmentsMember2024-06-300001781870nmg3:DebtSecuritiesFirstLienMember2024-06-300001781870nmg3:DebtSecuritiesSecondLienMember2024-06-300001781870us-gaap:SubordinatedDebtMember2024-06-300001781870us-gaap:OtherAggregatedInvestmentsMember2024-06-300001781870us-gaap:InvestmentsMember2023-03-310001781870nmg3:DebtSecuritiesFirstLienMember2023-03-310001781870nmg3:DebtSecuritiesSecondLienMember2023-03-310001781870us-gaap:SubordinatedDebtMember2023-03-310001781870us-gaap:OtherAggregatedInvestmentsMember2023-03-310001781870us-gaap:InvestmentsMember2023-04-012023-06-300001781870nmg3:DebtSecuritiesFirstLienMember2023-04-012023-06-300001781870nmg3:DebtSecuritiesSecondLienMember2023-04-012023-06-300001781870us-gaap:SubordinatedDebtMember2023-04-012023-06-300001781870us-gaap:OtherAggregatedInvestmentsMember2023-04-012023-06-300001781870us-gaap:InvestmentsMember2023-06-300001781870nmg3:DebtSecuritiesFirstLienMember2023-06-300001781870nmg3:DebtSecuritiesSecondLienMember2023-06-300001781870us-gaap:SubordinatedDebtMember2023-06-300001781870us-gaap:OtherAggregatedInvestmentsMember2023-06-300001781870us-gaap:InvestmentsMember2023-12-310001781870nmg3:DebtSecuritiesFirstLienMember2023-12-310001781870nmg3:DebtSecuritiesSecondLienMember2023-12-310001781870us-gaap:SubordinatedDebtMember2023-12-310001781870us-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:InvestmentsMember2024-01-012024-06-300001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMembernmg3:DebtSecuritiesFirstLienMember2024-01-012024-06-300001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMembernmg3:DebtSecuritiesSecondLienMember2024-01-012024-06-300001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:SubordinatedDebtMember2024-01-012024-06-300001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:OtherAggregatedInvestmentsMember2024-01-012024-06-300001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:InvestmentsMember2024-01-012024-06-300001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMembernmg3:DebtSecuritiesFirstLienMember2024-01-012024-06-300001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMembernmg3:DebtSecuritiesSecondLienMember2024-01-012024-06-300001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:SubordinatedDebtMember2024-01-012024-06-300001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:OtherAggregatedInvestmentsMember2024-01-012024-06-300001781870us-gaap:InvestmentsMember2024-01-012024-06-300001781870nmg3:DebtSecuritiesFirstLienMember2024-01-012024-06-300001781870nmg3:DebtSecuritiesSecondLienMember2024-01-012024-06-300001781870us-gaap:SubordinatedDebtMember2024-01-012024-06-300001781870us-gaap:OtherAggregatedInvestmentsMember2024-01-012024-06-300001781870us-gaap:InvestmentsMember2022-12-310001781870nmg3:DebtSecuritiesFirstLienMember2022-12-310001781870nmg3:DebtSecuritiesSecondLienMember2022-12-310001781870us-gaap:SubordinatedDebtMember2022-12-310001781870us-gaap:OtherAggregatedInvestmentsMember2022-12-310001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:InvestmentsMember2023-01-012023-06-300001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMembernmg3:DebtSecuritiesFirstLienMember2023-01-012023-06-300001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMembernmg3:DebtSecuritiesSecondLienMember2023-01-012023-06-300001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:SubordinatedDebtMember2023-01-012023-06-300001781870nmg3:DebtAndEquitySecuritiesRealizedGainLossMemberus-gaap:OtherAggregatedInvestmentsMember2023-01-012023-06-300001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:InvestmentsMember2023-01-012023-06-300001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMembernmg3:DebtSecuritiesFirstLienMember2023-01-012023-06-300001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMembernmg3:DebtSecuritiesSecondLienMember2023-01-012023-06-300001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:SubordinatedDebtMember2023-01-012023-06-300001781870nmg3:DebtAndEquitySecuritiesUnrealizedGainLossMemberus-gaap:OtherAggregatedInvestmentsMember2023-01-012023-06-300001781870us-gaap:InvestmentsMember2023-01-012023-06-300001781870nmg3:DebtSecuritiesFirstLienMember2023-01-012023-06-300001781870nmg3:DebtSecuritiesSecondLienMember2023-01-012023-06-300001781870us-gaap:SubordinatedDebtMember2023-01-012023-06-300001781870us-gaap:OtherAggregatedInvestmentsMember2023-01-012023-06-300001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembernmg3:DebtSecuritiesFirstLienMember2024-06-300001781870srt:MinimumMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MaximumMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:WeightedAverageMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MinimumMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputRevenueMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MaximumMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputRevenueMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:WeightedAverageMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputRevenueMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MinimumMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MaximumMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:WeightedAverageMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870us-gaap:FairValueInputsLevel3Membernmg3:OtherValuationTechniqueMembernmg3:DebtSecuritiesFirstLienMember2024-06-300001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembernmg3:DebtSecuritiesSecondLienMember2024-06-300001781870srt:MinimumMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MaximumMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:WeightedAverageMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MinimumMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MaximumMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:WeightedAverageMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870us-gaap:FairValueInputsLevel3Membernmg3:OtherValuationTechniqueMembernmg3:DebtSecuritiesSecondLienMember2024-06-300001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:SubordinatedDebtMember2024-06-300001781870srt:MinimumMemberus-gaap:SubordinatedDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MaximumMemberus-gaap:SubordinatedDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:WeightedAverageMemberus-gaap:SubordinatedDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MinimumMemberus-gaap:SubordinatedDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MaximumMemberus-gaap:SubordinatedDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:WeightedAverageMemberus-gaap:SubordinatedDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:OtherAggregatedInvestmentsMember2024-06-300001781870srt:MinimumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MaximumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:WeightedAverageMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MinimumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputRevenueMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MaximumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputRevenueMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:WeightedAverageMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputRevenueMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MinimumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:MaximumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870srt:WeightedAverageMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2024-06-300001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembernmg3:DebtSecuritiesFirstLienMember2023-12-310001781870srt:MinimumMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MaximumMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:WeightedAverageMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MinimumMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputRevenueMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MaximumMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputRevenueMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:WeightedAverageMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputRevenueMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MinimumMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MaximumMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:WeightedAverageMembernmg3:DebtSecuritiesFirstLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:OtherValuationTechniqueMembernmg3:DebtSecuritiesFirstLienMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMembernmg3:DebtSecuritiesSecondLienMember2023-12-310001781870srt:MinimumMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MaximumMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:WeightedAverageMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MinimumMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MaximumMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:WeightedAverageMembernmg3:DebtSecuritiesSecondLienMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:SubordinatedDebtMember2023-12-310001781870srt:MinimumMemberus-gaap:SubordinatedDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MaximumMemberus-gaap:SubordinatedDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:WeightedAverageMemberus-gaap:SubordinatedDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MinimumMemberus-gaap:SubordinatedDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MaximumMemberus-gaap:SubordinatedDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:WeightedAverageMemberus-gaap:SubordinatedDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870us-gaap:FairValueInputsLevel3Membernmg3:ValuationMarketAndIncomeApproachMemberus-gaap:OtherAggregatedInvestmentsMember2023-12-310001781870srt:MinimumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MaximumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:WeightedAverageMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputEbitdaMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MinimumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputRevenueMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MaximumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputRevenueMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:WeightedAverageMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputRevenueMultipleMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MinimumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:MaximumMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870srt:WeightedAverageMemberus-gaap:OtherAggregatedInvestmentsMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMembernmg3:ValuationMarketAndIncomeApproachMember2023-12-310001781870nmg3:GSCreditFacilityMemberus-gaap:CarryingReportedAmountFairValueDisclosureMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2024-06-300001781870nmg3:GSCreditFacilityMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2024-06-300001781870nmg3:GSCreditFacilityMemberus-gaap:CarryingReportedAmountFairValueDisclosureMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-12-310001781870nmg3:GSCreditFacilityMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-12-310001781870us-gaap:UnsecuredDebtMemberus-gaap:CarryingReportedAmountFairValueDisclosureMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2024-06-300001781870us-gaap:UnsecuredDebtMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2024-06-300001781870us-gaap:UnsecuredDebtMemberus-gaap:CarryingReportedAmountFairValueDisclosureMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-12-310001781870us-gaap:UnsecuredDebtMemberus-gaap:EstimateOfFairValueFairValueDisclosureMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-12-310001781870us-gaap:CarryingReportedAmountFairValueDisclosureMember2024-06-300001781870us-gaap:EstimateOfFairValueFairValueDisclosureMember2024-06-300001781870us-gaap:CarryingReportedAmountFairValueDisclosureMember2023-12-310001781870us-gaap:EstimateOfFairValueFairValueDisclosureMember2023-12-310001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementMember2024-03-012024-03-010001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementMember2024-06-300001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementQuarterlyHurdleRateMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementAnnualizedHurdleRateMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementPreIncentiveFeeNetInvestmentIncomeBelowCatchUpThresholdMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementQuarterlyCatchUpThresholdMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementAnnualizedCatchUpThresholdMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementPreIncentiveFeeNetInvestmentIncomeExceedsCatchUpThresholdMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementRealizedCapitalGainsAnnualizedCumulativeInternalRateOfReturnThresholdMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementRealizedCapitalGainsCumulativeNetRealizedGainsMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementRealizedCapitalGainsCumulativeNetRealizedGainsThresholdMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementRealizedCapitalGainsAdditionalUndistributedCumulativeNetRealizedGainsMember2022-04-112022-04-110001781870srt:AffiliatedEntityMembernmg3:ExpenseLimitationAndReimbursementAgreementMember2022-04-112022-04-110001781870srt:AffiliatedEntityMember2024-04-012024-06-300001781870srt:AffiliatedEntityMember2023-04-012023-06-300001781870srt:AffiliatedEntityMember2024-01-012024-06-300001781870srt:AffiliatedEntityMember2023-01-012023-06-300001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementPreIncentiveFeeNetInvestmentIncomeMember2024-04-012024-06-300001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementPreIncentiveFeeNetInvestmentIncomeMember2023-04-012023-06-300001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementPreIncentiveFeeNetInvestmentIncomeMember2024-01-012024-06-300001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementPreIncentiveFeeNetInvestmentIncomeMember2023-01-012023-06-300001781870srt:AffiliatedEntityMembernmg3:InvestmentManagementAgreementRealizedCapitalGainsMember2024-01-012024-06-300001781870srt:AffiliatedEntityMembernmg3:AdministrationAgreementMember2024-04-012024-06-300001781870srt:AffiliatedEntityMembernmg3:AdministrationAgreementMember2024-01-012024-06-300001781870srt:AffiliatedEntityMembernmg3:AdministrationAgreementMember2023-04-012023-06-300001781870srt:AffiliatedEntityMembernmg3:AdministrationAgreementMember2023-01-012023-06-300001781870srt:AffiliatedEntityMembernmg3:AdministrationAgreementMember2024-06-300001781870srt:AffiliatedEntityMembernmg3:AdministrationAgreementMember2023-12-310001781870nmg3:WellsCreditFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2019-08-300001781870nmg3:WellsCreditFacilityBroadlySyndicatedLoansMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2022-03-112022-03-110001781870nmg3:WellsCreditFacilityExcludingBroadlySyndicatedLoansMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2022-03-112022-03-110001781870nmg3:WellsCreditFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-04-012023-06-300001781870nmg3:WellsCreditFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-01-012023-06-300001781870nmg3:Series2021ASeniorNotesTrancheAMemberus-gaap:UnsecuredDebtMember2021-08-040001781870nmg3:Series2021ASeniorNotesTrancheBMemberus-gaap:UnsecuredDebtMember2021-12-210001781870nmg3:Series2022AUnsecuredNotesMemberus-gaap:UnsecuredDebtMember2022-03-100001781870us-gaap:UnsecuredDebtMember2021-08-040001781870us-gaap:UnsecuredDebtMember2024-05-062024-05-060001781870us-gaap:UnsecuredDebtMember2024-04-012024-06-300001781870us-gaap:UnsecuredDebtMember2023-04-012023-06-300001781870us-gaap:UnsecuredDebtMember2024-01-012024-06-300001781870us-gaap:UnsecuredDebtMember2023-01-012023-06-300001781870nmg3:GSCreditFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-11-282023-11-280001781870nmg3:GSCreditFacilityMemberus-gaap:RevolvingCreditFacilityMemberus-gaap:LineOfCreditMember2023-11-280001781870nmg3:GSCreditFacilityMemberus-gaap:RevolvingCreditFacilityMember2024-04-012024-06-300001781870nmg3:GSCreditFacilityMemberus-gaap:RevolvingCreditFacilityMember2024-01-012024-06-300001781870nmg3:GSCreditFacilityMember2024-04-012024-06-300001781870nmg3:GSCreditFacilityMember2024-01-012024-06-300001781870nmg3:UnfundedDebtSecuritiesRevolvingCreditFacilitiesMember2024-06-300001781870nmg3:UnfundedDebtSecuritiesBridgeFacilitiesMember2024-06-300001781870nmg3:UnfundedDebtSecuritiesDelayedDrawsOrOtherFutureFundingCommitmentsMember2024-06-300001781870nmg3:UnfundedDebtSecuritiesRevolvingCreditFacilitiesMember2023-12-310001781870nmg3:UnfundedDebtSecuritiesBridgeFacilitiesMember2023-12-310001781870nmg3:UnfundedDebtSecuritiesDelayedDrawsOrOtherFutureFundingCommitmentsMember2023-12-310001781870nmg3:FinancingCommitmentLetterToPurchaseInvestmentsMember2023-12-310001781870nmg3:FinancingCommitmentLetterToPurchaseInvestmentsMember2024-06-3000017818702024-03-072024-03-0700017818702024-03-202024-03-2000017818702024-04-232024-04-2300017818702024-05-142024-05-1400017818702024-06-252024-06-2500017818702023-03-302023-03-3000017818702023-06-262023-06-260001781870nmg3:WellsCreditFacilityMemberus-gaap:LineOfCreditMember2023-01-012023-06-300001781870nmg3:GSCreditFacilityMemberus-gaap:LineOfCreditMember2024-01-012024-06-300001781870us-gaap:SubsequentEventMember2024-07-102024-07-100001781870us-gaap:SubsequentEventMemberus-gaap:UnsecuredDebtMember2024-07-160001781870us-gaap:SubsequentEventMemberus-gaap:UnsecuredDebtMember2024-07-162024-07-16

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

_________________________________________________________________________________

FORM 10-Q

_________________________________________________________________________________


ý			Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the Quarterly Period Ended ~~March~~June 3130, 2024


o			Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

_________________________________________________________________________________

Commission File Number

Exact name of registrant as specified in its charter, address of principal executive offices, telephone number and states or other jurisdictions of incorporation or organization

I.R.S. Employer
Identification Number

000-56072

New Mountain Guardian III BDC, L.L.C.

1633 Broadway, 48th Floor

New York, New York 10019

Telephone: (212) 720-0300

State of Organization: Delaware

84-1918127

_________________________________________________________________________________

Securities registered pursuant to Section 12(b) of the Act: None

Title of each class

Trading Symbol(s)

Name of each exchange on which registered

None

N/A

_________________________________________________________________________________

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 (the "Exchange Act") during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý No o

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ý No o

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of "large accelerated filer", "accelerated filer", "smaller reporting company" and "emerging growth company" in Rule 12b-2 of the Exchange Act.


			Large accelerated filer ☐			Accelerated filer ☐
			Non-accelerated filer ý			Smaller reporting company ☐
			Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes o No ý

_________________________________________________________________________________

The number of the registrant's limited liability company units outstanding as of ~~May~~August 14, 2024 was 114,906,527. As of ~~March~~June 3130, 2024, there was no established public market for the registrant's limited liability company common units.

Table of Contents

FORM 10-Q FOR THE QUARTER ENDED ~~MARCH~~JUNE 3130, 2024

TABLE OF CONTENTS

		PAGE
PART I. FINANCIAL INFORMATION
Item 1.	Financial Statements
	New Mountain Guardian III BDC, L.L.C.
	Consolidated Statements of Assets, Liabilities and Members' Capital as of March 31, 2024 (unaudited) and December 31, 2023	3
	Consolidated Statements of Assets, Liabilities and Members' Capital as of June 30, 2024 (unaudited) and December 31, 2023	3
	Consolidated Statements of Operations for the three months ended March 31, 2024 (unaudited) and March 31, 2023 (unaudited)	4
	Consolidated Statements of Operations for the three and six months ended June 30, 2024 (unaudited) and June 30, 2023 (unaudited)	4
	Consolidated Statements of Changes in Members' Capital for the three months ended March 31, 2024 (unaudited) and March 31, 2023 (unaudited)	5
	Consolidated Statements of Changes in Members' Capital for the three and six months ended June 30, 2024 (unaudited) and June 30, 2023 (unaudited)	5
	Consolidated Statements of Cash Flows for the three months ended March 31, 2024 (unaudited) and March 31, 2023 (unaudited)	6
	Consolidated Statements of Cash Flows for the six months ended June 30, 2024 (unaudited) and June 30, 2023 (unaudited)	6
	Consolidated Schedule of Investments as of March 31, 2024 (unaudited)	7
	Consolidated Schedule of Investments as of June 30, 2024 (unaudited)	7
	Consolidated Schedule of Investments as of December 31, 2023	2321
	Notes to the Consolidated Financial Statements of New Mountain Guardian III BDC, L.L.C. (unaudited)	4038
	Report of Independent Registered Public Accounting Firm	6160
Item 2.	Management's Discussion and Analysis of Financial Condition and Results of Operations	6261
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	7374
Item 4.	Controls and Procedures	7475
PART II. OTHER INFORMATION
Item 1.	Legal Proceedings	7576
Item 1A.	Risk Factors	7576
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	7576
Item 3.	Defaults Upon Senior Securities	7576
Item 4.	Mine Safety Disclosures	7576
Item 5.	Other Information	7576
Item 6.	Exhibits	7677
	Signatures	7778

Table of Contents

PART I. FINANCIAL INFORMATION

Item 1. Financial Statements

New Mountain Guardian III BDC, L.L.C.

Consolidated Statements of Assets, Liabilities and Members' Capital

(in thousands, except units and per unit data)

(unaudited)

	March 31, 2024		December 31, 2023
	June 30, 2024		December 31, 2023
Assets
Non-controlled/non-affiliated investments at fair value (cost of $1,963,001 and $2,025,054, respectively)	$	1,940,900	$	1,991,345
Non-controlled/non-affiliated investments at fair value (cost of $1,622,080 and $2,025,054, respectively)	$	1,609,490	$	1,991,345
Cash and cash equivalents	48188,~~236~~914		69,873
Receivable from unsettled securities sold	21,319		—
Interest and dividend receivable	15,227		15,468
Interest and dividend receivable	19,172		15,468
Deferred tax asset	5		150
Deferred tax asset	—		150
Other assets	571		686
Other assets	740		686
Total assets	$	1,814,207	$	2,077,522
Total assets	$	2,030,367	$	2,077,522
Liabilities
Borrowings
GS Credit Facility	$	~~638~~620,~~000~~732	$	646,800
Unsecured Notes	~~275~~225,~~000~~071		275,000
Deferred financing costs (net of accumulated amortization of $8,983 and $7,959, respectively)	(8,188)		(9,211)
Deferred financing costs (net of accumulated amortization of $10,033 and $7,959, respectively)	(7,022)		(9,211)
Net borrowings	~~904~~838,~~812~~781		912,589
Distribution payable	3228,~~059~~612		35,506
Interest payable	1517,~~399~~522		9,690
Incentive fee payable	5,~~730~~107		6,013
Management fee payable	32,~~145~~693		2,792
Payable to affiliate	~~356~~189		520
Deferred tax liability	87		—
Other liabilities	1,530		1,661
Other liabilities	1,511		1,661
Total liabilities	894,434		968,771
Total liabilities	963,099		968,771
Commitments and contingencies (See Note 8)
Members' Capital
Common units, 114,906,527 and 114,906,527 units issued and outstanding, respectively	1950,~~095,392~~495		1,145,376
Accumulated overdistributed earnings	(2830,~~124~~722)		(36,625)
Total members' capital	$	1919,~~067,268~~773	$	1,108,751
Total liabilities and members' capital	$	21,~~030~~814,~~367~~207	$	2,077,522
Members' capital per unit	$	98.2900	$	9.65

The accompanying notes are an integral part of these consolidated financial statements.

Table of Contents

New Mountain Guardian III BDC, L.L.C.

Consolidated Statements of Operations

(in thousands, except units and per unit data)

(unaudited)

	Three Months Ended				Six Months Ended
	March 31, 2024		March 31, 2023
	June 30, 2024		June 30, 2023		June 30, 2024		June 30, 2023
Investment income
Interest income (excluding Payment-in-kind ("PIK") interest income)	$	5249,~~021~~137	$	5255,~~837~~412	$	101,158	$	108,249
PIK interest income	43,~~238~~590		2,~~631~~760		7,828		5,391
Dividend income	2,~~741~~287		2,~~336~~388		5,028		4,724
Fee income	~~466~~155		~~651~~728		621		1,379
Total investment income	5955,~~466~~169		5861,~~455~~288		114,635		119,743
Expenses
Interest and other financing expenses	1617,~~865~~331		1416,~~946~~041		34,196		30,987
Incentive fee	5,~~730~~107		5,~~817~~773		10,837		11,590
Management fee	32,~~145~~693		3,299		5,838		6,598
Administrative expenses	~~702~~627		~~685~~695		1,329		1,380
Professional fees	~~366~~313		~~558~~494		679		1,052
Other general and administrative expenses	6257		~~166~~67		119		233
Total expenses	26,~~870~~128		2526,~~471~~369		52,998		51,840
Net investment income before income taxes	32,596		32,984
Less: management fees waived (See Note 5)	(168)		—		(168)		—
Income tax expense (benefit)	121		16
Net expenses	25,960		26,369		52,830		51,840
Net investment income	32,475		32,968
Net investment income before income taxes	29,209		34,919		61,805		67,903
Net realized gains (losses) on investments	(3,285)		(495)
Income tax expense (benefit)	266		2,199		387		2,215
Net change in unrealized appreciation (depreciation) of investments	11,608		3,144
Net investment income	28,943		32,720		61,418		65,688
Benefit (provision) for taxes	(238)		(52)
Net realized gains (losses) on investments	(12,531)		(106)		(15,816)		(601)
Net realized and unrealized gains (losses)	8,085		2,597
Net change in unrealized appreciation (depreciation) of investments	9,511		5,096		21,119		8,240
Net increase in members' capital resulting from operations	$	40,560	$	35,565
Benefit (provision) for taxes	92		(95)		(146)		(147)
Earnings per unit (basic & diluted)	$	0.35	$	0.31
Net realized and unrealized gains (losses)	(2,928)		4,895		5,157		7,492
Weighted average common units outstanding - basic & diluted (See Note 10)	114,906,527		114,906,527
Net increase in members' capital resulting from operations	$	26,015	$	37,615	$	66,575	$	73,180
Earnings per unit (basic & diluted)	$	0.23	$	0.33	$	0.58	$	0.64
Weighted average common units outstanding - basic & diluted (See Note 10)	114,906,527		114,906,527		114,906,527		114,906,527

The accompanying notes are an integral part of these consolidated financial statements.

Table of Contents

New Mountain Guardian III BDC, L.L.C.

Consolidated Statements of Changes in Members' Capital

(in thousands~~, except units~~)

(unaudited)

	Three Months Ended				Six Months Ended
	March 31, 2024		March 31, 2023
	June 30, 2024		June 30, 2023		June 30, 2024		June 30, 2023
Increase in members' capital resulting from operations:
Net investment income	$	3228,~~475~~943	$	32,~~968~~720	$	61,418	$	65,688
Net realized gains (losses) on investments	(312,~~285~~531)		(~~495~~106)		(15,816)		(601)
Net change in unrealized appreciation (depreciation) of investments	119,~~608~~511		35,~~144~~096		21,119		8,240
Benefit (provision) for taxes	~~(238)~~92		(5295)		(146)		(147)
Net increase in members' capital resulting from operations	4026,~~560~~015		3537,~~565~~615		66,575		73,180
Capital transactions
Return of capital distributions	(49144,~~984~~897)		—		(194,882)		—
Distributions declared to unitholders from net investment income	(3228,~~059~~612)		(3234,~~748~~472)		(60,671)		(67,220)
Total net (decrease) increase in members' capital resulting from capital transactions	(82173,~~043~~509)		(3234,~~748~~472)		(255,553)		(67,220)
Net (decrease) increase in members' capital	(41147,~~483~~494)		23,~~817~~143		(188,978)		5,960
Members' capital at the beginning of the period	1,~~108~~067,~~751~~267		1,~~091~~094,~~425~~242		1,108,751		1,091,425
Members' capital at the end of the period	$	1919,~~067,268~~773	$	1,~~094~~097,~~242~~385	$	919,773	$	1,097,385

The accompanying notes are an integral part of these consolidated financial statements.

Table of Contents

New Mountain Guardian III BDC, L.L.C.

Consolidated Statements of Cash Flows

(in thousands)

(unaudited)

	Three Months Ended
	Six Months Ended
	March 31, 2024		March 31, 2023
	June 30, 2024		June 30, 2023
Cash flows from operating activities
Net increase in members' capital resulting from operations	$	4066,~~560~~575	$	3573,~~565~~180
Adjustments to reconcile net increase in members' capital resulting from operations to net cash used in operating activities:
Net realized losses on investments	3,285		495
Net realized (gains) losses on investments	15,816		601
Net change in unrealized (appreciation) depreciation of investments	(1121,~~608~~119)		(38,~~144~~240)
Amortization of purchase discount	(~~755~~2,507)		(~~805~~1,629)
Amortization of deferred financing costs	12,~~025~~224		~~556~~1,117
Non-cash investment income	(611,~~958~~789)		(510,~~286~~290)
(Increase) decrease in operating assets:
Purchase of investments and delayed draw facilities	(514,~~904~~796)		(2540,~~337~~612)
Proceeds from sales and paydowns of investments	75416,~~351~~570		3439,~~957~~466
Cash received for purchase of undrawn portion of revolving credit or delayed draw facilities	—		35
Cash paid on drawn revolvers	(1122,~~441~~218)		(1125,~~326~~368)
Cash repayments on drawn revolvers	821,~~475~~898		922,~~198~~675
Receivable from unsettled securities sold	(21,319)		—
Interest and dividend receivable	241		426
Interest and dividend receivable	(3,704)		761
Deferred tax asset	146		—
Deferred tax asset	150		—
Other assets	115		(50)
Other assets	(54)		(42)
Increase (decrease) in operating liabilities:
Interest payable	57,~~709~~832		~~(2,208)~~600
Incentive fee payable	(~~283~~906)		~~316~~272
Management fee payable	~~353~~(99)		(2)
Deferred tax liability	87—		53147
Payable to affiliates	(~~164~~331)		~~199~~206
Other liabilities	(~~150~~157)		(~~168~~13)
Net cash flows provided by (used in) operating activities	72457,~~655~~495		3352,~~817~~521
Cash flows from financing activities
Distributions from net investment income	(3567,~~506~~565)		(2861,~~956~~705)
Return of capital distributions	(49194,~~984~~882)		—
Proceeds from Wells Credit Facility	—		49,000
Net proceeds from issuance of common units	—		—
Repayment of Wells Credit Facility	—		(52,000)
Cancellation of common units	—		—
Proceeds from GS Credit Facility	33,000		—
Repayment of Unsecured Notes	(49,929)		—
Repayment of GS Credit Facility	(41,800)		—
Proceeds from Wells Credit Facility	—		105,500
Deferred financing costs paid	(2)		—
Repayment of Wells Credit Facility	—		(93,500)
Net cash flows (used in) provided by financing activities	(94,292)		(31,956)
Proceeds from GS Credit Facility	204,475		—
Net increase (decrease) in cash and cash equivalents	(21,637)		1,861
Repayment of GS Credit Facility	(230,543)		—
Deferred financing costs paid	(10)		—
Net cash flows (used in) provided by financing activities	(338,454)		(49,705)
Net increase (decrease) in cash and cash equivalents	119,041		2,816
Cash and cash equivalents at the beginning of the period	69,873		28,266
Cash and cash equivalents at the end of the period	$	48188,~~236~~914	$	3031,~~127~~082
Supplemental disclosure of cash flow information
Cash interest paid	$	1023,~~022~~779	$	1628,~~459~~984
Income taxes received	47		—
Income taxes paid	52		2,173
Non-cash operating activities:
Non-cash activity on investments	$	6,~~137~~302	$	—
Non-cash financing activities:
Distributions declared and payable	$	3228,~~059~~612	$	3234,~~748~~472
Accrual for deferred credit facility costs	—25		1

The accompanying notes are an integral part of these consolidated financial statements.

Table of Contents

New Mountain Guardian III BDC, L.L.C.

Consolidated Schedule of Investments

~~March~~June 3130, 2024

(in thousands, except shares)

(unaudited)

Portfolio Company, Location and Industry (1)	Type of Investment	Reference (65)		Spread (65)	Interest Rate (65)	Acquisition Date	Maturity/Expiration Date	Principal Amount, Par Value or Shares		Cost		Fair Value		Percent ofMembers' Capital
Non-Controlled/Non-Affiliated Investments
Funded Debt Investments - United States
Recorded Future, Inc.
Software	First Lien(2)(4)	SOFR(Q)	+	5.25%	10.66%	12/2021	07/2025	$	41,544	$	41,463	$	41,544
	First Lien(2)(4)	SOFR(Q)	+	5.25%	10.66%	08/2019	07/2025	13,210		13,181		13,210
								54,754		54,644		54,754		5.13	%
GS Acquisitionco, Inc.
Software	First Lien(2)(3)	SOFR(Q)	+	5.0025%	10.3058%	02/2020	05/2028	~~52,718~~$	52,582	~~52,574~~$	52,444	~~52,851~~$	52,582	~~4.95~~	%
	First Lien(2)(3)(4) - Drawn	SOFR(Q)	+	5.25%	10.58%	02/2020	05/2028	315		322		315
								52,897		52,766		52,897		5.75	%
Paw Midco, Inc.
AAH Topco, LLC
Consumer Services	First Lien(2)(43)	SOFR(M)	+	5.50%	10.9394%	12/2021	12/2027	20,~~122~~071		2019,~~001~~958		20,~~122~~071
	First Lien(2)(4)	SOFR(M)	+	5.50%	10.93%	12/2021	12/2027	19,929		19,794		19,929
	First Lien(2)(3)	SOFR(M)	+	5.50%	10.94%	12/2021	12/2027	19,878		19,750		19,878
	Subordinated(4)	Fixed(Q)*	+	11.50%/PIK	11.50%	12/2021	12/2031	12,372		12,258		11,751
	Subordinated(3)	Fixed(Q)*	+	11.50%/PIK	11.50%	12/2021	12/2031	12,732		12,620		12,361
								52,423		52,053		51,802		4.86	%
								52,681		52,328		52,310		5.69	%
OA Buyer, Inc.
Healthcare	First Lien(2)(43)	SOFR(M)	+	5.5025%	10.8359%	12/2021	12/2028	45,~~748~~632		45,~~411~~309		45,~~748~~632
	First Lien(2)(4)	SOFR(M)	+	5.50%	10.83%	05/2022	12/2028	2,896		2,874		2,896
	First Lien(2)(3)	SOFR(M)	+	5.25%	10.59%	05/2022	12/2028	2,889		2,867		2,889
	First Lien(2)(4)(5) - Drawn	SOFR(M)	+	5.50%	10.83%	12/2021	12/2028	795		806		795
	First Lien(2)(3)(4) - Drawn	SOFR(M)	+	5.25%	10.58%	12/2021	12/2028	497		513		497
								49,439		49,091		49,439		4.63	%
								49,018		48,689		49,018		5.33	%
Legal Spend Holdings, LLC (fka Bottomline Technologies, Inc.)
Software	First Lien(2)(43)	SOFR(M)	+	5.25%	10.5859%	05/2022	05/2029	49,~~125~~000		48,~~739~~630		49,~~125~~000		45.6033	%
Al Altius US Bidco, Inc.
Business Services	First Lien(2)(43)	SOFR(S)	+	54.0875%	10.4303%	12/2021	12/2028	3847,~~500~~800		3847,~~211~~457		3847,~~500~~800		5.20	%
	First Lien(2)(4)	SOFR(S)	+	5.08%	10.43%	12/2021	12/2028	9,300		9,231		9,300
								47,800		47,442		47,800		4.48	%
KWOR Acquisition, Inc.
Business Services	First Lien(2)(43)	SOFR(MQ)	+	5.25%	10.6875%	12/2021	12/2028	4039,~~088~~987		39,~~866~~775		4039,~~088~~354
	First Lien(2)(4)(5) - Drawn	P(Q)	+	4.25%	12.75%	12/2021	12/2027	3,194		3,185		3,194
	First Lien(2)(3)(4) - Drawn	P(Q)	+	4.25%	12.75%	12/2021	12/2027	4,353		4,337		4,283
								43,282		43,051		43,282		4.06	%
								44,340		44,112		43,637		4.74	%
Notorious Topco, LLC
CCBlue Bidco, Inc.
Consumer Products	First Lien(2)(4)	SOFR(Q)	+	6.75%	12.21%	11/2021	11/2027	40,743		40,536		37,797
Healthcare	First Lien(2)(3)	SOFR(Q)*	+	6.50%/PIK	11.93%	12/2021	12/2028	44,398		44,124		40,082
	First Lien(2)(4)	SOFR(Q)	+	6.75%	12.21%	11/2021	11/2027	3,551		3,533		3,293
	First Lien(3)	SOFR(Q)*	+	6.50%/PIK	11.94%	12/2021	12/2028	2,308		2,304		2,082
	First Lien(2)(4)(5) - Drawn	SOFR(Q)	+	6.75%	12.22%	11/2021	05/2027	1,205		1,207		1,118
								46,706		46,428		42,164		4.58	%
								45,499		45,276		42,208		3.95	%
Diamondback Acquisition, Inc.
Software	First Lien(2)(43)	SOFR(M)	+	5.50%	10.9394%	09/2021	09/2028	4241,~~088~~980		41,~~793~~699		41,~~920~~980		34.9356	%
GraphPAD Software, LLC
Notorious Topco, LLC
Healthcare	First Lien(2)(4)	SOFR(Q)	+	5.50%	10.96%	12/2021	04/2027	17,800		17,744		17,800
Consumer Products	First Lien(2)(3)	SOFR(Q)*	+	4.75% +2.50%/PIK	12.73%	11/2021	11/2027	40,894		40,700		38,036
	First Lien(2)(4)	SOFR(S)	+	5.50%	11.19%	04/2021	04/2027	10,211		10,182		10,211
	First Lien(2)(3)	SOFR(Q)*	+	4.75% +2.50%/PIK	12.73%	11/2021	11/2027	3,563		3,547		3,315
	First Lien(2)(4)	SOFR(S)	+	5.50%	11.13%	12/2021	04/2027	9,932		9,903		9,932
								44,457		44,247		41,351		4.50	%
	First Lien(2)(4)	SOFR(Q)	+	5.50%	10.96%	10/2021	04/2027	1,570		1,565		1,570
Anaplan, Inc.
	First Lien(2)(4)(5) - Drawn	P(Q)	+	5.00%	11.46%	04/2021	04/2027	1,500		1,496		1,500
Software	First Lien(2)(3)	SOFR(Q)	+	5.75%	11.08%	06/2022	06/2029	40,440		40,124		40,440		4.40	%
								41,013		40,890		41,013		3.84	%
IG Investments Holdings, LLC
Business Services	First Lien(2)(3)	SOFR(Q)	+	6.00%	11.43%	09/2021	09/2028	38,743		38,480		38,743		4.21	%

The accompanying notes are an integral part of these consolidated financial statements.

Table of Contents

New Mountain Guardian III BDC, L.L.C.

Consolidated Schedule of Investments (Continued)

~~March~~June 3130, 2024

(in thousands, except shares)

(unaudited)

Portfolio Company, Location and Industry (1)	Type of Investment	Reference (65)		Spread (65)	Interest Rate (65)	Acquisition Date	Maturity/Expiration Date	Principal Amount, Par Value or Shares		Cost		Fair Value		Percent ofMembers' Capital
CCBlue Bidco, Inc.
Healthcare	First Lien(2)(4)	SOFR(Q)*	+	6.50%/PIK	11.91%	12/2021	12/2028	$	43,086	$	42,801	$	38,872
	First Lien(4)	SOFR(Q)*	+	6.50%/PIK	11.91%	12/2021	12/2028	2,239		2,235		2,020
								45,325		45,036		40,892		3.83	%
Anaplan, Inc.
Software	First Lien(2)(4)	SOFR(Q)	+	6.50%	11.81%	06/2022	06/2029	40,440		40,112		40,440		3.79	%
IG Investments Holdings, LLC
Business Services	First Lien(2)(4)	SOFR(Q)	+	6.00%	11.41%	09/2021	09/2028	38,842		38,567		38,842		3.64	%
WEG Sub Intermediate Holdings, LLC
Wealth Enhancement Group, LLC
Financial Services	First Lien(2)(43)	SOFR(Q)	+	5.50%	10.8283%	08/2021	10/2027	~~29,795~~$	29,695	~~29,731~~$	29,636	~~29,795~~$	29,695
	Subordinated(4)	Fixed(Q)*	+	15.00%/PIK	15.00%	05/2023	05/2033	3,647		3,601		3,647
	Subordinated(3)	Fixed(Q)*	+	15.00%/PIK	15.00%	05/2023	05/2033	3,784		3,739		3,784
	First Lien(2)(4)	SOFR(Q)	+	5.50%	10.84%	01/2022	10/2027	3,051		3,031		3,051
	First Lien(2)(3)	SOFR(Q)	+	5.50%	10.85%	01/2022	10/2027	3,044		3,025		3,044
	First Lien(2)(4)	SOFR(Q)	+	5.50%	10.81%	01/2022	10/2027	2,046		2,032		2,046
	First Lien(2)(3)	SOFR(Q)	+	5.50%	10.83%	01/2022	10/2027	2,041		2,028		2,041
								38,539		38,395		38,539		3.61	%
								38,564		38,428		38,564		4.19	%
Associations, Inc.
Business Services	First Lien(2)(4)	SOFR(Q)*	+	4.00% +2.50%/PIK	12.09%	07/2021	07/2027	18,425		18,376		18,425
	First Lien(2)(4)	SOFR(Q)*	+	4.00% +2.50%/PIK	12.07%	07/2021	07/2027	4,536		4,523		4,536
	First Lien(2)(4)	SOFR(Q)*	+	4.00% +2.50%/PIK	12.08%	07/2021	07/2027	4,536		4,523		4,536
	First Lien(2)(4)	SOFR(Q)*	+	4.00% +2.50%/PIK	12.08%	07/2021	07/2027	2,739		2,731		2,739
	First Lien(2)(4)	SOFR(Q)*	+	4.00% +2.50%/PIK	12.08%	07/2021	07/2027	2,179		2,173		2,179
	First Lien(2)(4)(5) - Drawn	SOFR(Q)	+	6.50%	12.09%	07/2021	07/2027	909		909		909
								33,324		33,235		33,324		3.12	%
Ocala Bidco, Inc.
Healthcare	First Lien(2)(43)	SOFR(Q)*	+	3.50% +2.75%/PIK	11.84%	12/2021	11/2028	31,~~657~~877		31,~~382~~615		31,~~657~~877
	First Lien(2)(4)(5) - Drawn	SOFR(Q)	+	3.50%+2.75%/PIK	11.84%	12/2021	11/2028	1,497		1,479		1,497
	First Lien(2)(3)	SOFR(Q)*	+	3.50% +2.75%/PIK	11.84%	12/2021	11/2028	2,435		2,415		2,435
								33,154		32,861		33,154		3.11	%
								34,312		34,030		34,312		3.73	%
Auctane Inc. (fka Stamps.com Inc.)
Software	First Lien(2)(4)	SOFR(Q)	+	5.75%	11.16%	10/2021	10/2028	19,527		19,388		19,209
	First Lien(2)(4)	SOFR(Q)	+	5.75%	11.16%	12/2021	10/2028	14,150		14,047		13,919
								33,677		33,435		33,128		3.10	%
DECA Dental Holdings LLC
Healthcare	First Lien(2)(43)	SOFR(Q)	+	5.7550%	1110.1693%	08/2021	08/2028	28,~~303~~231		28,~~106~~043		27,~~873~~723
	First Lien(2)(4)	SOFR(Q)	+	5.75%	11.16%	08/2021	08/2028	2,979		2,973		2,934
	First Lien(2)(3)	SOFR(Q)	+	5.50%	10.93%	08/2021	08/2028	2,971		2,966		2,918
	First Lien(2)(4)(5) - Drawn	SOFR(Q)	+	5.75%	11.16%	08/2021	08/2027	2,292		2,278		2,257
	First Lien(2)(3)(4) - Drawn	SOFR(Q)	+	5.50%	10.94%	08/2021	08/2027	2,292		2,279		2,251
								33,574		33,357		33,064		3.10	%
								33,494		33,288		32,892		3.58	%
iCIMS, Inc.
Software	First Lien(2)(3)	SOFR(Q)*	+	3.38% +3.88%/PIK	12.58%	08/2022	08/2028	28,099		27,936		28,099
	First Lien(3)	SOFR(Q)	+	7.25%	12.58%	10/2022	08/2028	4,508		4,478		4,508
	First Lien(2)(3)(4) - Drawn	SOFR(S)	+	6.75%	12.08%	08/2022	08/2028	252		257		252
								32,859		32,671		32,859		3.57	%
Auctane Inc. (fka Stamps.com Inc.)
Software	First Lien(2)(3)	SOFR(Q)	+	5.75%	11.18%	10/2021	10/2028	19,477		19,345		19,018
	First Lien(2)(3)	SOFR(Q)	+	5.75%	11.18%	12/2021	10/2028	14,114		14,016		13,781
								33,591		33,361		32,799		3.57	%
Pioneer Topco I, L.P. (11)
Pioneer Buyer I, LLC
Software	First Lien(3)	SOFR(Q)	+	6.50%	11.83%	11/2021	11/2028	28,383		28,239		28,383
	First Lien(3)	SOFR(Q)	+	6.50%	11.83%	03/2022	11/2028	3,890		3,869		3,890
								32,273		32,108		32,273		3.51	%
FS WhiteWater Borrower, LLC
Consumer Services	First Lien(2)(3)	SOFR(Q)	+	5.75%	11.23%	12/2021	12/2027	17,431		17,319		17,431
	First Lien(2)(3)	SOFR(Q)	+	5.75%	11.23%	12/2021	12/2027	5,851		5,814		5,851
	First Lien(2)(3)	SOFR(Q)	+	5.75%	11.23%	12/2021	12/2027	5,814		5,777		5,814
	First Lien(2)(3)(4) - Drawn	SOFR(M)	+	5.75%	11.24%	12/2021	12/2027	1,996		1,986		1,996
								31,092		30,896		31,092		3.38	%
Sun Acquirer Corp.
Consumer Services	First Lien(2)(3)	SOFR(M)	+	5.75%	11.21%	12/2021	09/2028	24,376		24,203		24,376
	First Lien(2)(3)	SOFR(M)	+	5.75%	11.21%	09/2021	09/2028	3,925		3,902		3,925
	First Lien(2)(3)	SOFR(M)	+	5.75%	11.21%	09/2021	09/2028	2,774		2,751		2,774
								31,075		30,856		31,075		3.38	%

The accompanying notes are an integral part of these consolidated financial statements.

Table of Contents

New Mountain Guardian III BDC, L.L.C.

Consolidated Schedule of Investments (Continued)

~~March~~June 3130, 2024

(in thousands, except shares)

(unaudited)

Portfolio Company, Location and Industry (1)	Type of Investment	Reference (65)		Spread (65)	Interest Rate (65)	Acquisition Date	Maturity/Expiration Date	Principal Amount, Par Value or Shares		Cost		Fair Value		Percent ofMembers' Capital
iCIMS, Inc.
Software	First Lien(2)(4)	SOFR(Q)*	+	3.38%+3.88%/PIK	12.58%	08/2022	08/2028	$	27,829	$	27,656	$	28,107
	First Lien(4)	SOFR(Q)	+	7.25%	12.58%	10/2022	08/2028	4,508		4,476		4,553
	First Lien(2)(4)(5) - Drawn	SOFR(Q)	+	6.75%	12.05%	08/2022	08/2028	169		173		169
								32,506		32,305		32,829		3.08	%
Pioneer Topco I, L.P. (13)
Pioneer Buyer I, LLC
Software	First Lien(4)	SOFR(Q)*	+	7.00%/PIK	12.31%	11/2021	11/2028	28,383		28,230		28,383
	First Lien(4)	SOFR(Q)*	+	7.00%/PIK	12.31%	03/2022	11/2028	3,890		3,868		3,890
								32,273		32,098		32,273		3.02	%
FS WhiteWater Borrower, LLC
Consumer Services	First Lien(2)(4)	SOFR(Q)	+	5.75%	11.21%	12/2021	12/2027	17,476		17,357		17,476
	First Lien(2)(4)	SOFR(Q)	+	5.75%	11.21%	12/2021	12/2027	5,866		5,827		5,866
	First Lien(2)(4)	SOFR(Q)	+	5.75%	11.21%	12/2021	12/2027	5,829		5,789		5,829
	First Lien(2)(4)(5) - Drawn	SOFR(M)	+	5.75%	11.23%	12/2021	12/2027	2,205		2,192		2,205
								31,376		31,165		31,376		2.94	%
Sun Acquirer Corp.
Consumer Services	First Lien(2)(4)	SOFR(M)	+	5.75%	11.19%	12/2021	09/2028	24,438		24,257		24,438
	First Lien(2)(4)	SOFR(M)	+	5.75%	11.19%	09/2021	09/2028	3,935		3,910		3,935
	First Lien(2)(4)	SOFR(M)	+	5.75%	11.19%	09/2021	09/2028	2,781		2,757		2,781
								31,154		30,924		31,154		2.92	%
Foreside Financial Group, LLC
Business Services	First Lien(2)(43)	SOFR(Q)	+	5.25%	10.7475%	05/2022	09/2027	~~30,769~~$	30,929	~~30,548~~$	30,720	~~30,769~~$	30,929	23.8836	%
Fortis Solutions Group, LLC
Packaging	First Lien(2)(3)	SOFR(Q)	+	5.50%	10.93%	10/2021	10/2028	29,150		28,961		29,150
	First Lien(2)(3)(4) - Drawn	SOFR(Q)	+	5.50%	10.92%	06/2022	10/2028	889		883		889
	First Lien(2)(3)(4) - Drawn	SOFR(Q)	+	5.50%	10.93%	10/2021	10/2027	586		593		586
	First Lien(3)	SOFR(Q)	+	5.50%	10.93%	10/2021	10/2028	82		74		82
								30,707		30,511		30,707		3.34	%
IG IntermediateCo LLC
Infogain Corporation
Business Services	Subordinated(43)	SOFR(Q)	+	8.25%	13.6668%	07/2022	07/2029	20,105		19,~~897~~904		20,105
	First Lien(2)(4)	SOFR(M)	+	5.50%	10.93%	07/2021	07/2028	9,036		8,989		9,036
	First Lien(2)(3)	SOFR(M)	+	5.75%	11.19%	07/2021	07/2028	8,897		8,853		8,897
	First Lien(2)(4)	SOFR(M)	+	5.50%	10.93%	07/2022	07/2028	1,560		1,548		1,560
	First Lien(2)(3)	SOFR(M)	+	5.75%	11.19%	07/2022	07/2028	1,556		1,544		1,556
								30,701		30,434		30,701		2.88	%
								30,558		30,301		30,558		3.32	%
Fortis Solutions Group, LLC
Icebox Holdco III, Inc.
Packaging	First Lien(2)(4)	SOFR(Q)	+	5.50%	10.90%	10/2021	10/2028	29,224		29,027		29,224
Distribution & Logistics	Second Lien(2)	SOFR(Q)	+	6.75%	12.35%	12/2021	12/2029	30,000		29,884		30,000		3.26	%
	First Lien(2)(4)(5) - Drawn	SOFR(Q)	+	5.50%	10.90%	06/2022	10/2028	758		751		758
	First Lien(2)(4)(5) - Drawn	SOFR(Q)	+	5.50%	10.90%	10/2021	10/2027	146		157		146
	First Lien(4)	SOFR(Q)	+	5.50%	10.90%	10/2021	10/2028	83		74		83
								30,211		30,009		30,211		2.83	%
Galway Borrower LLC
Business Services	First Lien(2)(43)	SOFR(Q)	+	5.25%	10.6568%	09/2021	09/2028	29,~~665~~589		29,~~445~~380		29,~~665~~589
	First Lien(2)(4)(5) - Drawn	SOFR(Q)	+	5.25%	10.66%	09/2021	09/2028	306		310		306
	First Lien(2)(3)(4) - Drawn	SOFR(Q)	+	5.25%	10.69%	09/2021	09/2028	260		265		260
								29,971		29,755		29,971		2.81	%
								29,849		29,645		29,849		3.25	%
CFS Management, LLC
Healthcare	First Lien(2)(3)	SOFR(Q)*	+	6.25% +2.75%/PIK	14.60%	08/2019	07/2024	23,933		23,933		21,382
	First Lien(2)(3)	SOFR(Q)*	+	6.25% +2.75%/PIK	14.60%	09/2021	07/2024	5,645		5,645		5,044
	First Lien(3)	SOFR(Q)*	+	6.25% +2.75%/PIK	14.60%	08/2019	07/2024	2,138		2,138		1,910
	First Lien(2)(3)	SOFR(Q)*	+	6.25% +2.75%/PIK	14.60%	02/2022	07/2024	367		367		328
								32,083		32,083		28,664		3.12	%
Knockout Intermediate Holdings I Inc. (9)
Kaseya Inc.
Software	First Lien(2)(3)	SOFR(Q)	+	5.50%	10.83%	06/2022	06/2029	26,398		26,249		26,398
	First Lien(2)(3)(4) - Drawn	SOFR(Q)	+	5.50%	10.83%	06/2022	06/2029	399		399		399
	First Lien(2)(3)	SOFR(Q)	+	5.50%	10.83%	06/2022	06/2029	98		98		98
	First Lien(2)(3)(4) - Drawn	SOFR(Q)	+	5.50%	10.82%	06/2022	06/2029	79		78		79
								26,974		26,824		26,974		2.93	%
Businessolver.com, Inc.
Software	First Lien(2)(3)	SOFR(Q)	+	5.50%	10.93%	12/2021	12/2027	24,041		23,965		24,041
	First Lien(2)(3)(4) - Drawn	SOFR(Q)	+	5.50%	10.93%	12/2021	12/2027	859		858		859
								24,900		24,823		24,900		2.71	%
USRP Holdings, Inc.
Business Services	First Lien(2)(3)	SOFR(M)	+	5.75%	11.20%	07/2021	07/2027	23,219		23,081		23,219		2.52	%

The accompanying notes are an integral part of these consolidated financial statements.

Table of Contents

New Mountain Guardian III BDC, L.L.C.

Consolidated Schedule of Investments (Continued)

~~March~~June 3130, 2024

(in thousands, except shares)

(unaudited)

Portfolio Company, Location and Industry (1)	Type of Investment	Reference (65)		Spread (65)	Interest Rate (65)	Acquisition Date	Maturity/Expiration Date	Principal Amount, Par Value or Shares		Cost		Fair Value		Percent ofMembers' Capital
CFS Management, LLC
Avalara, Inc.
Healthcare	First Lien(2)(4)	SOFR(Q)*	+	6.25% +2.75%/PIK	14.56%	08/2019	07/2024	$	23,829	$	23,816	$	21,982
Software	First Lien(2)(3)	SOFR(Q)	+	6.75%	12.08%	10/2022	10/2028	$	21,654	$	21,441	$	21,654	2.35	%
	First Lien(2)(4)	SOFR(Q)*	+	6.25% +2.75%/PIK	14.56%	09/2021	07/2024	5,617		5,614		5,181
DOCS, MSO, LLC
	First Lien(4)	SOFR(Q)*	+	6.25% +2.75%/PIK	14.56%	08/2019	07/2024	2,128		2,128		1,963
Healthcare	First Lien(2)(3)	SOFR(M)	+	5.75%	11.18%	06/2022	06/2028	20,876		20,876		20,640		2.24	%
	First Lien(2)(4)	SOFR(Q)*	+	6.25% +2.75%/PIK	14.56%	02/2022	07/2024	365		365		337
OB Hospitalist Group, Inc.
								31,939		31,923		29,463		2.76	%
Healthcare	First Lien(2)(3)	SOFR(Q)	+	5.50%	10.98%	09/2021	09/2027	18,977		18,862		18,977
Icebox Holdco III, Inc.
	First Lien(2)(3)(4) - Drawn	SOFR(Q)	+	5.50%	10.96%	09/2021	09/2027	1,144		1,144		1,144
Distribution & Logistics	Second Lien(2)	SOFR(Q)	+	6.75%	12.32%	12/2021	12/2029	30,000		29,881		29,400		2.75	%
								20,121		20,006		20,121		2.19	%
Pye-Barker Fire & Safety, LLC
Foundational Education Group, Inc.
Business Services	First Lien(2)(4)	SOFR(Q)	+	5.50%	10.96%	11/2021	11/2027	23,756		23,583		23,756
Education	Second Lien(3)	SOFR(Q)	+	6.50%	12.09%	08/2021	08/2029	19,706		19,647		19,706		2.14	%
	First Lien(2)(4)	SOFR(Q)	+	5.50%	10.96%	05/2021	11/2027	4,875		4,855		4,875
TigerConnect, Inc.
								28,631		28,438		28,631		2.68	%
Healthcare	First Lien(2)(3)	SOFR(Q)*	+	3.38% +3.38%/PIK	12.23%	02/2022	02/2028	18,409		18,291		18,409
OEC Holdco, LLC (12)
	First Lien(2)(3)(4) - Drawn	SOFR(Q)*	+	3.38% +3.38%/PIK	12.23%	02/2022	02/2028	1,165		1,165		1,165
OEConnection LLC
								19,574		19,456		19,574		2.13	%
Software	Second Lien(2)	SOFR(M)	+	7.00%	12.43%	12/2021	09/2027	19,234		19,106		19,234
Daxko Acquisition Corporation
	Second Lien(2)	SOFR(M)	+	7.00%	12.43%	09/2019	09/2027	7,677		7,636		7,677
Software	First Lien(2)(3)	SOFR(M)	+	5.50%	10.94%	10/2021	10/2028	17,479		17,359		17,479
								26,911		26,742		26,911		2.52	%
	First Lien(3)	SOFR(M)	+	5.50%	10.94%	10/2021	10/2028	1,473		1,466		1,473
Knockout Intermediate Holdings I Inc. (14)
	First Lien(2)(3)(4) - Drawn	P(Q)	+	4.50%	13.00%	10/2021	10/2027	200		204		200
Kaseya Inc.
	First Lien(2)(3)	SOFR(M)	+	5.50%	10.94%	10/2021	10/2028	88		88		88
Software	First Lien(2)(4)	SOFR(Q)*	+	3.50%+2.50%/PIK	11.31%	06/2022	06/2029	26,234		26,079		26,234
								19,240		19,117		19,240		2.09	%
	First Lien(2)(4)(5) - Drawn	SOFR(Q)	+	5.50%	10.83%	06/2022	06/2029	399		399		399
	First Lien(2)(4)	SOFR(Q)	+	5.50%	10.81%	06/2022	06/2029	98		98		98
								26,731		26,576		26,731		2.50	%
Idera, Inc.
Software	Second Lien(43)	SOFR(Q)	+	6.75%	12.2123%	03/2021	03/2029	2617,~~250~~607		2617,~~289~~601		2617,~~250~~607		21.4691	%
MRI Software LLC
HS Purchaser, LLC / Help/Systems Holdings, Inc.
Software	~~First~~Second Lien(23)~~(4)~~	SOFR(Q)	+	56.5075%	1012.9020%	0105/~~2020~~2021	0211/2027	1618,~~632~~882		1618,~~591~~882		16,~~632~~850		1.83	%
	First Lien(2)(4)	SOFR(Q)	+	5.50%	10.90%	03/2021	02/2027	8,874		8,862		8,874
Relativity ODA LLC
								25,506		25,453		25,506		2.39	%
Software	First Lien(3)	SOFR(M)	+	6.00%	11.44%	05/2021	05/2027	16,848		16,750		16,848		1.83	%
Businessolver.com, Inc.
Project Essential Topco, Inc. (7)
Software	First Lien(2)(4)	SOFR(Q)	+	5.50%	10.91%	12/2021	12/2027	24,103		24,022		24,103
Project Essential Bidco, Inc.
	First Lien(2)(4)(5) - Drawn	SOFR(Q)	+	5.50%	10.91%	12/2021	12/2027	861		860		861
Software	First Lien(2)(3)	SOFR(Q)*	+	3.00% +3.25%/PIK	11.74%	04/2021	04/2028	17,837		17,743		16,510		1.80	%
								24,964		24,882		24,964		2.34	%
PDQ.com Corporation
TRC Companies L.L.C. (fka Energize Holdco LLC)
Software	First Lien(2)(3)(4) - Drawn	SOFR(M)	+	4.75%	10.08%	12/2021	08/2027	8,212		8,184		8,212
Business Services	Second Lien(2)(4)	SOFR(M)	+	6.75%	12.19%	11/2021	12/2029	24,900		24,802		24,703		2.31	%
	First Lien(2)(3)	SOFR(M)	+	4.75%	10.09%	12/2021	08/2027	5,571		5,554		5,571
Bullhorn, Inc.
								13,783		13,738		13,783		1.50	%
Software	First Lien(2)(4)	SOFR(M)	+	5.50%	10.93%	09/2019	09/2026	18,605		18,546		18,605
	First Lien(2)(4)	SOFR(M)	+	5.50%	10.93%	10/2021	09/2026	3,845		3,840		3,845
	First Lien(4)	SOFR(M)	+	5.50%	10.93%	09/2019	09/2026	861		858		861
	First Lien(4)	SOFR(M)	+	5.50%	10.93%	09/2019	09/2026	386		385		386
	First Lien(4)	SOFR(M)	+	5.50%	10.93%	09/2019	09/2026	308		307		308
								24,005		23,936		24,005		2.25	%

The accompanying notes are an integral part of these consolidated financial statements.

Table of Contents

New Mountain Guardian III BDC, L.L.C.

Consolidated Schedule of Investments (Continued)

~~March~~June 3130, 2024

(in thousands, except shares)

(unaudited)

Portfolio Company, Location and Industry (1)	Type of Investment	Reference (65)		Spread (65)	Interest Rate (65)	Acquisition Date	Maturity/Expiration Date	Principal Amount, Par Value or Shares		Cost		Fair Value		Percent ofMembers' Capital
USRP Holdings, Inc.
ACI Parent Inc. (8)
Business Services	First Lien(2)(4)	SOFR(S)	+	5.75%	11.18%	07/2021	07/2027	$	23,278	$	23,130	$	23,278	2.18	%
ACI Group Holdings, Inc.
MED Parentco, LP
Healthcare	First Lien(2)(3)	SOFR(M)	+	5.50%	10.94%	08/2021	08/2028	$	10,653	$	10,585	$	10,399
Healthcare	Second Lien(2)	SOFR(M)	+	8.25%	13.69%	08/2019	08/2027	22,000		21,913		22,000		2.06	%
	First Lien(3)	SOFR(M)	+	5.50%	10.94%	08/2021	08/2028	1,888		1,884		1,843
Avalara, Inc.
	First Lien(2)(3)(4) - Drawn	SOFR(M)	+	5.50%	10.94%	08/2021	08/2028	1,129		1,114		1,102
Software	First Lien(4)	SOFR(Q)	+	7.25%	12.56%	10/2022	10/2028	21,654		21,432		21,654		2.03	%
	First Lien(2)(3)(4) - Drawn	SOFR(M)	+	5.50%	10.94%	08/2021	08/2027	286		289		279
DOCS, MSO, LLC
								13,956		13,872		13,623		1.48	%
Healthcare	First Lien(2)(4)	SOFR(M)	+	5.75%	11.17%	06/2022	06/2028	20,929		20,929		20,764		1.95	%
NMC Crimson Holdings, Inc.
OB Hospitalist Group, Inc.
Healthcare	First Lien(2)(3)	SOFR(Q)	+	6.09%	11.54%	03/2021	03/2028	11,101		11,001		11,101
Healthcare	First Lien(2)(4)	SOFR(Q)	+	5.50%	10.95%	09/2021	09/2027	19,026		18,903		18,790
	First Lien(2)(3)	SOFR(Q)	+	6.09%	11.58%	03/2021	03/2028	2,302		2,296		2,302
	First Lien(2)(4)(5) - Drawn	SOFR(M)	+	5.50%	10.93%	09/2021	09/2027	976		976		964
								13,403		13,297		13,403		1.46	%
								20,002		19,879		19,754		1.85	%
DCA Investment Holding, LLC
Foundational Education Group, Inc.
Healthcare	First Lien(2)(3)	SOFR(Q)	+	6.41%	11.74%	03/2021	04/2028	9,362		9,319		9,174
Education	Second Lien(4)	SOFR(Q)	+	6.50%	12.07%	08/2021	08/2029	19,706		19,645		19,706		1.85	%
	First Lien(2)(3)	SOFR(Q)	+	6.41%	11.74%	02/2022	04/2028	2,068		2,061		2,026
Diamond Parent Holdings Corp. (9)
	First Lien(3)	SOFR(Q)	+	6.41%	11.74%	03/2021	04/2028	1,567		1,560		1,535
Diligent Corporation
	First Lien(2)(3)	SOFR(Q)	+	6.50%	11.83%	12/2022	04/2028	492		486		483
Software	First Lien(2)(4)	SOFR(Q)	+	5.75%	11.21%	03/2021	08/2025	8,266		8,252		8,266
								13,489		13,426		13,218		1.44	%
	First Lien(2)(4)	SOFR(Q)	+	6.25%	11.71%	08/2020	08/2025	7,279		7,251		7,279
Syndigo LLC
	First Lien(2)(4)	SOFR(Q)	+	5.75%	11.21%	03/2021	08/2025	2,020		2,016		2,020
Software	Second Lien(3)	SOFR(M)	+	8.00%	13.45%	12/2020	12/2028	12,500		12,437		12,500		1.36	%
	First Lien(2)(4)(5) - Drawn	SOFR(Q)	+	6.25%	11.71%	08/2020	08/2025	1,027		1,039		1,027
DG Investment Intermediate Holdings 2, Inc.
	First Lien(4)	SOFR(Q)	+	6.25%	11.71%	08/2020	08/2025	609		607		609
Business Services	Second Lien	SOFR(M)	+	6.75%	12.21%	03/2021	03/2029	12,188		12,167		11,972		1.30	%
	First Lien(4)	SOFR(Q)	+	6.25%	11.71%	08/2020	08/2025	384		383		384
MRI Software LLC
								19,585		19,548		19,585		1.84	%
Software	First Lien(2)(3)	SOFR(Q)	+	5.50%	10.93%	01/2020	02/2027	8,069		8,051		8,069
TigerConnect, Inc.
	First Lien(2)(3)	SOFR(Q)	+	5.50%	10.93%	03/2021	02/2027	3,576		3,572		3,576
Healthcare	First Lien(2)(4)	SOFR(Q)*	+	3.38%+3.38%/PIK	12.21%	02/2022	02/2028	18,409		18,283		18,409
								11,645		11,623		11,645		1.27	%
	First Lien(2)(4)(5) - Drawn	SOFR(Q)*	+	3.38% +3.38%/PIK	12.21%	02/2022	02/2028	1,001		1,001		1,001
Allworth Financial Group, L.P.
								19,410		19,284		19,410		1.82	%
Financial Services	First Lien(2)(3)	SOFR(M)	+	5.00%	10.34%	01/2022	12/2027	5,049		5,022		5,049
Daxko Acquisition Corporation
	First Lien(2)(3)	SOFR(M)	+	5.00%	10.34%	01/2022	12/2027	5,018		4,990		5,018
Software	First Lien(2)(4)	SOFR(M)	+	5.50%	10.93%	10/2021	10/2028	17,524		17,399		17,524
	First Lien(3)	SOFR(M)	+	5.00%	10.34%	01/2022	12/2027	1,519		1,509		1,519
	First Lien(4)	SOFR(M)	+	5.50%	10.93%	10/2021	10/2028	1,476		1,469		1,476
								11,586		11,521		11,586		1.26	%
	First Lien(2)(4)(5) - Drawn	SOFR(M)	+	5.50%	10.93%	10/2021	10/2028	88		84		88
Specialtycare, Inc.
	First Lien(2)(4)(5) - Drawn	P(Q)	+	4.50%	13.00%	10/2021	10/2027	78		82		78
Healthcare	First Lien(2)(3)	SOFR(Q)	+	5.75%	11.31%	06/2021	06/2028	11,550		11,461		11,186
								19,166		19,034		19,166		1.80	%
	First Lien(2)(3)(4) - Drawn	SOFR(M)	+	4.00%	9.88%	06/2021	06/2026	106		107		103
HS Purchaser, LLC / Help/Systems Holdings, Inc.
	First Lien(3)	SOFR(Q)	+	5.75%	11.33%	06/2021	06/2028	83		82		80
Software	Second Lien(4)	SOFR(Q)	+	6.75%	12.19%	05/2021	11/2027	18,882		18,882		17,493		1.64	%
								11,739		11,650		11,369		1.24	%
Relativity ODA LLC
AmeriVet Partners Management, Inc.
Software	First Lien(4)	SOFR(M)	+	6.50%	11.93%	05/2021	05/2027	16,848		16,743		16,848		1.58	%
Consumer Services	First Lien(2)(3)	SOFR(Q)	+	5.25%	10.73%	02/2022	02/2028	7,965		7,938		7,965
Project Essential Topco, Inc. (8)
	First Lien(3)	SOFR(Q)	+	5.25%	10.73%	02/2022	02/2028	2,216		2,214		2,216
Project Essential Bidco, Inc.
	First Lien(2)(3)	SOFR(Q)	+	5.25%	10.73%	02/2022	02/2028	291		291		291
Software	First Lien(2)(4)	SOFR(Q)*	+	3.00% +3.25%/PIK	11.72%	04/2021	04/2028	17,690		17,591		15,830		1.48	%
								10,472		10,443		10,472		1.14	%

The accompanying notes are an integral part of these consolidated financial statements.

Table of Contents

New Mountain Guardian III BDC, L.L.C.

Consolidated Schedule of Investments (Continued)

~~March~~June 3130, 2024

(in thousands, except shares)

(unaudited)

Portfolio Company, Location and Industry (1)	Type of Investment	Reference (65)		Spread (65)	Interest Rate (65)	Acquisition Date	Maturity/Expiration Date	Principal Amount, Par Value or Shares		Cost		Fair Value		Percent ofMembers' Capital
NMC Crimson Holdings, Inc.
Beacon Pointe Harmony, LLC
Healthcare	First Lien(2)(4)	SOFR(Q)	+	6.09%	11.57%	03/2021	03/2028	$	11,101	$	10,996	$	11,101
Financial Services	First Lien(2)(3)	SOFR(M)	+	5.50%	10.84%	12/2021	12/2028	$	6,956	$	6,905	$	6,956
	First Lien(2)(4)	SOFR(Q)	+	6.09%	11.57%	03/2021	03/2028	2,302		2,296		2,302
	First Lien(3)	SOFR(M)	+	5.50%	10.84%	12/2021	12/2028	2,728		2,713		2,728
								13,403		13,292		13,403		1.26	%
	First Lien(2)(3)(4) - Drawn	SOFR(M)	+	5.50%	10.84%	12/2021	12/2028	778		771		778
ACI Parent Inc. (11)
								10,462		10,389		10,462		1.14	%
ACI Group Holdings, Inc.
Healthcare	First Lien(2)(4)	SOFR(M)	+	5.50%	10.93%	08/2021	08/2028	10,681		10,609		10,397
	First Lien(4)	SOFR(M)	+	5.50%	10.93%	08/2021	08/2028	1,892		1,887		1,842
	First Lien(2)(4)(5) - Drawn	SOFR(M)	+	5.50%	10.93%	08/2021	08/2028	992		977		965
	First Lien(2)(4)(5) - Drawn	SOFR(M)	+	5.50%	10.93%	08/2021	08/2027	172		175		167
								13,737		13,648		13,371		1.25	%
DCA Investment Holding, LLC
Healthcare	First Lien(2)(4)	SOFR(Q)	+	6.41%	11.71%	03/2021	04/2028	9,388		9,343		9,258
	First Lien(2)(4)	SOFR(Q)	+	6.41%	11.71%	02/2022	04/2028	2,073		2,066		2,044
	First Lien(4)	SOFR(Q)	+	6.41%	11.71%	03/2021	04/2028	1,571		1,563		1,550
	First Lien(2)(4)	SOFR(Q)	+	6.50%	11.80%	12/2022	04/2028	493		487		487
								13,525		13,459		13,339		1.25	%
Syndigo LLC
Software	Second Lien(4)	SOFR(M)	+	8.00%	13.44%	12/2020	12/2028	12,500		12,434		12,500		1.17	%
Allworth Financial Group, L.P.
Financial Services	First Lien(2)(4)	SOFR(M)	+	5.50%	10.93%	01/2022	12/2026	5,062		5,033		5,062
	First Lien(2)(4)	SOFR(M)	+	5.50%	10.93%	01/2022	12/2026	5,031		5,001		5,031
	First Lien(4)	SOFR(M)	+	5.50%	10.93%	01/2022	12/2026	1,522		1,512		1,522
								11,615		11,546		11,615		1.09	%
DG Investment Intermediate Holdings 2, Inc.
Business Services	Second Lien	SOFR(M)	+	6.75%	12.19%	03/2021	03/2029	12,188		12,166		11,436		1.07	%
Specialtycare, Inc.
Healthcare	First Lien(2)(4)	SOFR(Q)	+	5.75%	11.34%	06/2021	06/2028	11,580		11,486		11,157
	First Lien(4)	SOFR(Q)	+	5.75%	11.33%	06/2021	06/2028	83		83		80
	First Lien(2)(4)(5) - Drawn	SOFR(M)	+	4.00%	9.44%	06/2021	06/2026	50		52		48
								11,713		11,621		11,285		1.06	%
PDQ.com Corporation
Software	First Lien(2)(4)	SOFR(M)	+	5.21%	10.64%	12/2021	08/2027	5,586		5,567		5,586
	First Lien(2)(4)(5) - Drawn	SOFR(M)	+	5.21%	10.64%	12/2021	08/2027	5,375		5,359		5,375
								10,961		10,926		10,961		1.03	%
AmeriVet Partners Management, Inc.
Consumer Services	First Lien(2)(4)	SOFR(Q)	+	5.25%	10.70%	02/2022	02/2028	7,975		7,948		7,975
	First Lien(4)	SOFR(Q)	+	5.25%	10.70%	02/2022	02/2028	2,219		2,217		2,219
	First Lien(2)(4)	SOFR(Q)	+	5.25%	10.70%	02/2022	02/2028	292		291		292
								10,486		10,456		10,486		0.98	%
GC Waves Holdings, Inc.
Financial Services	First Lien(2)(43)	SOFR(M)	+	5.25%	10.6869%	08/2021	08/2029	10,~~419~~393		10,~~357~~333		10,~~419~~393		01.9813	%
Maverick Bidco Inc.
Software	Second Lien(3)	SOFR(Q)	+	6.75%	12.23%	04/2021	05/2029	10,200		10,180		10,200		1.11	%
CRCI Longhorn Holdings, Inc.
Business Services	Second Lien(2)	SOFR(M)	+	7.25%	12.69%	07/2021	08/2026	10,000		9,988		10,000		1.09	%
Trinity Air Consultants Holdings Corporation
Business Services	First Lien(2)(3)	SOFR(S)	+	5.25%	10.66%	06/2021	06/2028	7,449		7,399		7,449
	First Lien(2)(3)(4) - Drawn	SOFR(S)	+	5.25%	10.59%	06/2021	06/2028	2,080		2,067		2,080
								9,529		9,466		9,529		1.04	%
KPSKY Acquisition Inc.
Business Services	First Lien(2)(3)	SOFR(Q)	+	5.50%	10.93%	10/2021	10/2028	8,459		8,401		8,459
	First Lien(3)	SOFR(Q)	+	5.50%	10.90%	10/2021	10/2028	969		963		969
								9,428		9,364		9,428		1.03	%
CG Group Holdings, LLC
Specialty Chemicals & Materials	First Lien(2)(3)	SOFR(Q)*	+	6.75% +2.00%/PIK	14.08%	07/2021	07/2027	8,446		8,395		8,366
	First Lien(2)(3)(4) - Drawn	SOFR(M)*	+	6.75% +2.00%/PIK	14.09%	07/2021	07/2026	945		942		936
								9,391		9,337		9,302		1.01	%
Radwell Parent, LLC
Distribution & Logistics	First Lien(2)(3)	SOFR(Q)	+	5.50%	10.83%	03/2022	04/2029	8,699		8,650		8,699
	First Lien(2)(3)(4) - Drawn	SOFR(Q)	+	5.50%	10.85%	03/2022	04/2029	345		342		345
	First Lien(2)(3)(4) - Drawn	SOFR(Q)	+	5.50%	10.83%	03/2022	04/2029	105		105		105
								9,149		9,097		9,149		0.99	%
Huskies Parent, Inc.
Software	First Lien(2)(3)	SOFR(Q)	+	5.50%	10.98%	12/2021	11/2028	8,333		8,290		8,238
	First Lien(2)(3)(4) - Drawn	SOFR(Q)	+	5.50%	10.99%	12/2021	11/2027	596		594		589
								8,929		8,884		8,827		0.96	%
Smile Doctors LLC
Healthcare	First Lien(2)(3)	SOFR(Q)	+	5.90%	11.35%	02/2022	12/2028	7,843		7,812		7,737
	First Lien(2)(3)(4) - Drawn	SOFR(Q)	+	5.90%	11.34%	06/2023	12/2028	346		341		341
								8,189		8,153		8,078		0.88	%
Ministry Brands Holdings, LLC
Software	First Lien(2)(3)	SOFR(M)	+	5.50%	10.94%	12/2021	12/2028	6,903		6,879		6,838
	First Lien(2)(3)	SOFR(M)	+	5.50%	10.94%	12/2021	12/2028	697		697		691

Filing Compare · New Mountain Guardian III BDC, L.L.C.