13F-HR 1 d1095609_13f-hr.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F Cover Page Report for the Calendar Year or Quarter Ended: March 31, 2010 Check here if Amendment: |_|; Amendment Number: 1 This Amendment (Check only one): |_| is a restatement |_| adds new holding entries. Institutional Manager Filing this Report: Name: GCore Capital Management LP Address: 623 Fifth Avenue, 32nd Floor New York, NY 10022 13F File Number: 028-13790 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Edward Grinacoff Title: Chief Financial Officer Phone: (212) 407-7630 Signature, Place and Date of Signing: /s/_Edward Grinacoff New York, New York May 17, 2010 -------------------- ------------------- ------------- [Signature] [City, State] [Date] Report Type: (Check only one): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report). [_] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting managers(s).) [_] 13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) List of Other Managers Reporting for this Manager: None Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 2 Form 13F Information Table Entry Total: 55 Form 13F Information Table Value Total: $314,968 (thousands) List of Other Included Managers: No. Form 13F File Number Name 1. 028-13788 GCore Capital Corp. 2. 028-13789 GCore Capital Master Fund Ltd. FORM 13F INFORMATION TABLE March 31, 2010

COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 ~~COLUMN~~COL 7 COLUMN 8 ~~TITLE~~ VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (~~X1000~~x1000) PRN AMT PRN CALL DISCRETION ~~MANAGERS~~MNGRS SOLE ~~SHARED~~SHRD NONE ~~ACTIVISION~~-------------- ~~BLIZZARD~~-------------- ~~INC~~----- ------- ------- --- ---- ---------- ----- ---- ---- ---- ALTERA CORP COM ~~00507V109~~021441100 ~~111~~6,075 10250,000 SH PUT Shared-Defined 1,2 10250,000 ~~ADVANCED~~ANADARKO ~~MICRO~~PETE ~~DEVICES~~CORP COM 032511107 7,283 100,00 SH CALL Shared-Defined 1,2 100,00 ATHEROS COMMUNICATIONS INC COM ~~007903107~~04743P108 ~~147~~1,819 1547,~~200~~000 SH Shared-Defined 1,2 1547,~~200~~000 ~~ALTERA~~ATHEROS COMMUNICATIONS INC COM 04743P108 5,323 137,500 SH PUT Shared-Defined 1,2 137,500 BARCLAYS BK PLC IPATH SHRT ETN 06740C527 525 25,000 SH Shared-Defined 1,2 25,000 CABOT OIL & GAS CORP COM ~~021441100~~127097103 ~~516~~2,024 2255,~~800~~000 SH Shared-Defined 1,2 2255,~~800~~000 ~~ANALOG~~COBALT ~~DEVICES~~INTL ENERGY INC COM ~~032654105~~19075F106 ~~720~~476 2235,~~800~~000 SH Shared-Defined 1,2 2235,~~800~~000 ~~APPLIED~~COCA ~~MATLS~~COLA ENTERPRISES INC COM ~~038222105~~191219104 12,~~377~~628 9895,~~800~~000 SH Shared-Defined 1,2 9895,~~800~~000 ~~ATMEL~~COMPUWARE CORP COM ~~049513104~~205638109 ~~140~~714 3085,~~400~~000 SH Shared-Defined 1,2 3085,~~400~~000 ~~BROADCOM~~COMSTOCK ~~CORP~~RES CLINC ACOM ~~111320107~~NEW ~~359~~205768203 111,~~400~~590 50,000 SH Shared-Defined 1,2 1150,~~400~~000 ~~CALLON~~COPART ~~PETE~~INC COCOM ~~DEL~~217204106 605 17,000 SH Shared-Defined 1,2 17,000 CRIMSON EXPLORATION INC COM ~~13123X102~~NEW 7522662K207 50438 150,000 SH Shared-Defined 1,2 50150,000 ~~FEDERAL~~DENBURY ~~HOME~~RES LNINC ~~MTG~~COM ~~CORP~~NEW 247916208 1,687 100,000 SH Shared-Defined 1,2 100,000 DOLLAR THRIFTY AUTOMOTIVE GP COM ~~313400301~~256743105 ~~478~~1,253 ~~325~~39,000 SH Shared-Defined 1,2 2539,000 ~~INTEL~~EXCO RESOURCES INC COM 269279402 1,838 100,000 SH Shared-Defined 1,2 100,000 EXXON MOBIL CORP COM ~~458140100~~30231G102 7,033 105,000 SH Shared-Defined 1,2 105,~~326~~000 ~~114~~FAIRCHILD SEMICONDUCTOR INTL COM 303726103 5,591 525,000 SH Shared-Defined 1,2 14525,000 ~~KLA~~INTERNATIONAL BUSINESS MACHS COM 459200101 10,901 85,000 SH CALL Shared-~~TENCOR~~Defined 1,2 85,000 INTERSIL CORP ~~COM~~CL ~~482480100~~A ~~412~~46069S109 111,~~400~~474 100,000 SH PUT Shared-Defined 1,2 11100,000 ISHARES TR INDEX RUSSELL 2000 464287655 13,452 198,400 ~~KODIAK~~SH ~~OIL~~PUT &Shared-Defined ~~GAS~~1,2 198,400 KLA-TENCOR CORP COM ~~50015Q100~~482480100 ~~111~~619 5020,000 SH Shared-Defined 1,2 5020,000 ~~LSI~~LAM ~~CORPORATION~~RESEARCH CORP COM ~~502161102~~512807108 ~~114~~746 1920,000 SH Shared-Defined 1,2 1920,000 LEAR CORP COM NEW 521865204 2,365 29,800 SH Shared-Defined 1,2 29,800 LEAR CORP COM NEW 521865204 21,226 267,500 SH CALL Shared-Defined 1,2 267,500 LEXMARK INTL NEW COM 529771107 722 20,000 SH Shared-Defined 1,2 20,000 MANPOWER INC COM 56418H100 4,495 78,700 SH Shared-Defined 1,2 78,700 MANPOWER INC COM 56418H100 6,854 120,000 SH CALL Shared-Defined 1,2 120,000 MARINER ENERGY INC COM 56845T305 1,497 100,000 SH Shared-Defined 1,2 100,000 MONSTER WORLDWIDE INC COM 611742107 3,781 227,650 SH Shared-Defined 1,2 227,650 MOTOROLA INC COM 620076109 4,563 650,000 SH Shared-Defined 1,2 650,000 NAVISTAR INTL CORP NEW COM 63934E108 224 5,~~044~~000 74SH Shared-Defined 1,~~571~~2 5,000 OIL SVC HOLDRS TR DEPOSTRY RCPT 678002106 12,259 100,000 SH PUT Shared-Defined 1,2 74100,~~571~~000 ~~LINEAR~~OMNIVISION ~~TECHNOLOGY~~TECHNOLOGIES INC COM 682128103 773 45,000 SH Shared-Defined 1,2 45,000 PALM INC NEW COM 696643105 564 150,000 SH Shared-Defined 1,2 150,000 PETROHAWK ENERGY CORP ~~CMN~~COM 716495106 4,056 200,000 SH Shared-Defined 1,2 200,000 PETROHAWK ENERGY CORP COM ~~535678106~~716495106 ~~581~~8,416 19415,000 SH CALL Shared-Defined 1,2 19150,000 ~~MCMORAN~~PHILLIPS ~~EXPLORATION~~VAN COHEUSEN CORP COM ~~582411104~~718592108 ~~160~~1,147 20,000 SH Shared-Defined 1,2 20,000 ~~MICRON~~PIONEER ~~TECHNOLOGY~~NAT ~~INC~~RES CO COM ~~595112103~~723787107 ~~361~~1,971 3435,~~200~~000 SH Shared-Defined 1,2 3435,~~200~~000 ~~NATIONAL~~PLAINS ~~SEMICONDUCTOR~~EXPL& ~~CORP~~PRODTN CO COM ~~637640103~~726505100 ~~350~~1,050 2235,~~800~~000 SH Shared-Defined 1,2 2235,~~800~~000 ~~PETROQUEST~~REPUBLIC ~~ENERGY~~AWYS HLDGS INC COM ~~716748108~~760276105 ~~153~~297 2550,000 SH Shared-Defined 1,2 2550,000 SPDR S&P 500 ETF TR UNIT SER 1 S&P 78462F103 128,934 1,102,000 SH PUT Shared-Defined 1,2 675,000 SPDR GOLD TRUST GOLD SHS 78463V107 ~~537~~1,634 515,000 SH Shared-Defined 1,2 15,000 SPDR SERIES TRUST S&P RETAIL ETF 78464A714 4,895 118,500 SH PUT Shared-Defined 1,2 43,500 SANDRIDGE ENERGY INC COM 80007P307 963 125,000 SH Shared-Defined 1,2 125,000 SELECT SECTOR SPDR TR SBI INT-INDS 81369Y704 5,077 162,500 SH PUT Shared-Defined 1,2 162,500 SOUTHWESTERN ENERGY CO COM 845467109 3,258 80,000 ~~SANDISK~~SH ~~CORP~~Shared-Defined 1,2 80,000 SOUTHWESTERN ENERGY CO COM ~~80004C101~~845467109 ~~220~~1,222 730,~~600~~000 SH CALL Shared-Defined 1,2 730,~~600~~000 ~~TERADYNE~~TERADATA ~~INC~~CORP DEL COM ~~880770102~~88076W103 ~~391~~5,200 36180,~~400~~000 SH Shared-Defined 1,2 36180,~~400~~000 TEXAS INSTRS INC COM 882508104 1,224 50,000 SH CALL Shared-Defined 1,2 50,~~179~~000 83ULTRA PETROLEUM CORP COM 903914109 2,~~600~~565 55,000 SH Shared-Defined 1,2 8355,~~600~~000 ~~XTO~~UNITED RENTALS INC COM 911363109 406 43,300 SH Shared-Defined 1,2 43,300 VAALCO ENERGY INC COM ~~98385X106~~NEW ~~698~~91851C201 15494 100,000 SH Shared-Defined 1,2 15100,000 ~~XILINX~~XTO ENERGY INC COM ~~983919101~~98385X106 ~~476~~4,718 19100,000 SH Shared-Defined 1,2 19100,000 ENERGY XXI (BERMUDA) LTD ~~COM~~USD UNRS SHS ~~G10082108~~G10082140 ~~104~~1,075 4560,000 SH Shared-Defined 1,2 4560,000 TYCO INTERNATIONAL LTD SHS H89128104 2,949 77,101 SH Shared-Defined 1,2 77,101

SK 26253 0001 1095609

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