New Mountain Guardian IV BDC, L.L.C. 8-K

What Happened

• New Mountain Guardian IV BDC, L.L.C. filed a Form 8‑K on April 22, 2026 (Item 7.01, Regulation FD) disclosing its consolidated schedule of investments and how it classifies portfolio holdings for quarterly and annual reporting. The filing shows the portfolio industry mix and internal sub‑classifications as of December 31, 2025.

Key Details

• The firm groups investments into 11 industry types and assigns sub‑classifications for internal monitoring. Total investments at fair value equal 100.0% by industry type.
• Largest industry exposures (percent of total investments at fair value as of 12/31/2025):
  • Business Services subtotal: 36.3% (including Insurance & Benefits Services 9.5%, Data & Information Services 5.8%)
  • Software subtotal: 28.9% (including Enterprise Resource Planning 9.1%, IT Infrastructure & Security 5.0%)
  • Financial Services & Technology subtotal: 14.3% (Financial Services 8.3%)
  • Healthcare subtotal: 10.6% (Healthcare IT & Tech‑Enabled Services 4.8%)
• Remaining categories include Consumer Services (5.0%), Education (2.1%), and smaller allocations to Business Products, Food & Beverage, Packaging, Distribution & Logistics, and an Investment Fund (combined remainder).

Why It Matters

• This disclosure gives investors clear, dated insight into sector concentration and risk exposure in New Mountain Guardian IV BDC’s portfolio as of year‑end 2025. High allocations to Business Services and Software (combined ~65.2%) indicate where portfolio performance will be most sensitive to sector trends.
• Because the filing was made under Regulation FD (Item 7.01), the company is providing standardized, public information rather than a selective disclosure, which improves transparency for all investors.