13F-HR 1 p08-0954form13fhr.txt JANA PARTNERS LLC 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, 2008 ------------------------ Check here if Amendment [ ]; Amendment Number: ----- This Amendment (Check only one.): [ ] is a restatement. [ ] adds new holdings entries. Institutional Investment Manager Filing this Report: Name: JANA PARTNERS LLC -------------------------------------------------- Address: 200 Park Avenue, Suite 3300 -------------------------------------------------- New York, New York 10166 -------------------------------------------------- -------------------------------------------------- Form 13F File Number: 028-10328 ------------------ 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: Charles Penner -------------------------------------------------- Title: General Counsel -------------------------------------------------- Phone: 212 692-7696 -------------------------------------------------- Signature, Place, and Date of Signing: /s/ Charles Penner New York, New York May 15, 2008 ------------------------ ------------------------------ ---------- 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 manager(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).) Report Summary: Number of Other Included Managers: 0 ------------- Form 13F Information Table Entry Total: 120 ------------- Form 13F Information Table Value Total: $5,626,538 ------------- (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. NONE

FORM 13F INFORMATION TABLE COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 VOTING VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE ACTUATE CORP COM 00508B102 15,193 3,705,583 SH SOLE 3,705,583 AK STL HLDG CORP COM 001547108 43,877 806,261 SH SOLE 806,261 ALCOA INC COM 013817101 10,818 300,000 SH SOLE 300,000 AMAZON COM INC COM 023135106 17,825 250,000 SH PUT SOLE AMERICAN INTL GROUP INC COM 026874107 8,650 200,000 SH CALL SOLE AMERICAN ITALIAN PASTA CO CL A 027070101 15,092 2,769,223 SH SOLE 2,769,223 ANADARKO PETE CORP COM 032511107 252,452 4,005,265 SH SOLE 4,005,265 APPLE INC COM 037833100 21,525 150,000 SH CALL SOLE APPLE INC COM 037833100 28,700 200,000 SH CALL SOLE ARCADIA RES INC COM 039209101 10,482 15,235,396 SH SOLE 15,235,396 ARMSTRONG WORLD INDS INC NEW COM 04247X102 9,436 264,600 SH SOLE 264,600 ARRIS GROUP INC COM 04269Q100 11,058 1,900,000 SH SOLE 1,900,000 ARTHROCARE CORP COM 043136100 16,508 494,979 SH SOLE 494,979 BROCADE COMMUNICATIONS SYS I COM NEW 111621306 21,900 3,000,000 SH SOLE 3,000,000 CALPINE CORP COM NEW 131347304 187,964 10,204,327 SH SOLE 10,204,327 CISCO SYS INC COM 17275R102 84,315 3,500,000 SH SOLE 3,500,000 CITIGROUP INC COM 172967101 21,420 1,000,000 SH PUT SOLE CNET NETWORKS INC COM 12613R104 117,828 16,595,492 SH SOLE 16,595,492 COLEMAN CABLE INC COM 193459302 30,080 2,734,558 SH SOLE 2,734,558 COMMERCIAL METALS CO COM 201723103 86,623 2,890,314 SH SOLE 2,890,314 COMMSCOPE INC COM 203372107 169,284 4,860,288 SH SOLE 4,860,288 COMPUWARE CORP COM 205638109 95,322 12,986,626 SH SOLE 12,986,626 COMSTOCK RES INC COM NEW 205768203 34,255 850,000 SH SOLE 850,000 CONSOL ENERGY INC COM 20854P109 56,385 814,927 SH SOLE 814,927 CONVERGYS CORP COM 212485106 95,423 6,336,192 SH SOLE 6,336,192 COPART INC COM 217204106 265,435 6,848,172 SH SOLE 6,848,172 COREL CORP NEW COM 21869X103 13,682 1,255,274 SH SOLE 1,255,274 CROCS INC COM 227046109 13,629 780,156 SH SOLE 780,156 CSX CORP COM 126408103 46,407 827,657 SH SOLE 827,657 DAVITA INC COM 23918K108 29,356 614,666 SH SOLE 614,666 DELTA AIR LINES INC DEL COM NEW 247361702 9,567 1,112,466 SH SOLE 1,112,466 DIANA SHIPPING INC COM Y2066G104 5,264 200,000 SH SOLE 200,000 DRYSHIPS INC SHS Y2109Q101 11,647 194,415 SH SOLE 194,415 EQUITABLE RES INC COM 294549100 124,269 2,109,833 SH SOLE 2,109,833 FOCUS MEDIA HLDG LTD SPONSORED ADR 34415V109 107,423 3,056,132 SH SOLE 3,056,132 FOREST OIL CORP COM PAR $0.01 346091705 85,565 1,747,641 SH SOLE 1,747,641 FORESTAR REAL ESTATE GROUP I COM 346233109 16,772 673,317 SH SOLE 673,317 FREEPORT-MCMORAN COPPER & GO COM 35671D857 113,311 1,177,625 SH SOLE 1,177,625 FRONTIER OIL CORP COM 35914P105 10,484 384,600 SH SOLE 384,600 GARMIN LTD ORD G37260109 16,203 300,000 SH SOLE 300,000 GENERAL MTRS CORP COM 370442105 1,905 100,000 SH CALL SOLE GIGAMEDIA LTD ORD Y2711Y104 10,348 663,728 SH SOLE 663,728 GOODYEAR TIRE & RUBR CO COM 382550101 33,540 1,300,000 SH SOLE 1,300,000 GSC ACQUISITION COMPANY UNIT 99/99/9999 40053G205 4,825 500,000 SH SOLE 500,000 HAYNES INTERNATIONAL INC COM NEW 420877201 12,297 224,063 SH SOLE 224,063 HEALTH NET INC COM 42222G108 65,396 2,123,262 SH SOLE 2,123,262 HESS CORP COM 42809H107 252,948 2,868,540 SH SOLE 2,868,540 HESS CORP COM 42809H107 17,636 200,000 SH CALL SOLE HESS CORP COM 42809H107 17,636 200,000 SH PUT SOLE HILLTOP HOLDINGS INC COM 432748101 4,784 460,000 SH SOLE 460,000 I2 TECHNOLOGIES INC COM NEW 465754208 7,200 639,422 SH SOLE 639,422 ICT GROUP INC COM 44929Y101 3,219 318,981 SH SOLE 318,981 IDEARC INC COM 451663108 8,190 2,250,000 SH SOLE 2,250,000 IHOP CORP COM 449623107 22,230 464,100 SH SOLE 464,100 INFOUSA INC NEW COM 456818301 3,667 600,198 SH SOLE 600,198 INGERSOLL-RAND COMPANY LTD CL A G4776G101 8,916 200,000 SH SOLE 200,000 INGERSOLL-RAND COMPANY LTD CL A G4776G101 15,603 350,000 SH CALL SOLE INGERSOLL-RAND COMPANY LTD CL A G4776G101 7,053 158,200 SH CALL SOLE INTERACTIVE BROKERS GROUP IN COM 45841N107 3,468 135,100 SH SOLE 135,100 INVERNESS MED INNOVATIONS IN COM 46126P106 15,050 500,000 SH SOLE 500,000 KANSAS CITY SOUTHERN COM NEW 485170302 74,213 1,850,245 SH SOLE 1,850,245 KBR INC COM 48242W106 377,146 13,600,634 SH SOLE 13,600,634 KBR INC COM 48242W106 4,160 150,000 SH CALL SOLE KHD HUMBOLDT WEDAG INTL LTD COM 482462108 5,237 215,000 SH SOLE 215,000 LAM RESEARCH CORP COM 512807108 15,288 400,000 SH SOLE 400,000 LEHMAN BROS HLDGS INC COM 524908100 18,820 500,000 SH SOLE 500,000 LIBERTY ACQUISITION HLDGS CO UNIT 99/99/9999 53015Y206 31,200 3,000,000 SH SOLE 3,000,000 M & F WORLDWIDE CORP COM 552541104 9,920 265,300 SH SOLE 265,300 MAXIMUS INC COM 577933104 28,450 775,000 SH SOLE 775,000 MF GLOBAL LTD SHS G60642108 55,506 5,601,044 SH SOLE 5,601,044 MICROSOFT CORP COM 594918104 89,119 3,140,200 SH SOLE 3,140,200 MICROSTRATEGY INC CL A NEW 594972408 2,842 38,417 SH SOLE 38,417 NATIONAL OILWELL VARCO INC COM 637071101 140,918 2,413,814 SH SOLE 2,413,814 NBTY INC COM 628782104 24,709 825,000 SH SOLE 825,000 NORTHWEST AIRLS CORP COM 667280408 1,302 144,881 SH SOLE 144,881 NRG ENERGY INC COM NEW 629377508 112,606 2,598,200 SH SOLE 2,598,200 NUCOR CORP COM 670346105 23,003 339,575 SH SOLE 339,575 NUTRI SYS INC NEW COM 67069D108 1,507 100,000 SH SOLE 100,000 OFFICE DEPOT INC COM 676220106 11,488 1,039,600 SH SOLE 1,039,600 OMNICARE INC COM 681904108 164,201 9,041,897 SH SOLE 9,041,897 ON SEMICONDUCTOR CORP COM 682189105 8,520 1,500,000 SH SOLE 1,500,000 ORACLE CORP COM 68389X105 144,012 7,362,600 SH SOLE 7,362,600 ORION MARINE GROUP INC COM 68628V308 23,544 1,970,240 SH SOLE 470,240 PARKER DRILLING CO COM 701081101 5,039 780,000 SH SOLE 780,000 PENNEY J C INC COM 708160106 1,803 47,800 SH SOLE 47,800 PRG-SCHULTZ INTERNATIONAL IN COM NEW 69357C503 18,574 2,125,200 SH SOLE 2,125,200 QLT INC COM 746927102 12,699 3,577,269 SH SOLE 3,577,269 QUICKSILVER RESOURCES INC COM 74837R104 20,092 550,000 SH SOLE 550,000 RCN CORP COM NEW 749361200 6,545 585,409 SH SOLE 585,409 REDWOOD TR INC COM 758075402 16,361 450,100 SH SOLE 450,100 RESEARCH IN MOTION LTD COM 760975102 112,230 1,000,000 SH PUT SOLE REYNOLDS AMERICAN INC COM 761713106 67,599 1,145,167 SH SOLE 1,145,167 ROCK-TENN CO CL A 772739207 4,496 150,000 SH SOLE 150,000 SANDISK CORP COM 80004C101 21,442 950,000 SH SOLE 950,000 SELECT SECTOR SPDR TR SBI INT-FINL 81369Y605 62,175 2,500,000 SH CALL SOLE SELECT SECTOR SPDR TR SBI INT-FINL 81369Y605 12,435 500,000 SH CALL SOLE SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 259,210 3,500,000 SH PUT SOLE SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 25,921 350,000 SH PUT SOLE SEMICONDUCTOR HLDRS TR DEP RCPT 816636203 28,720 1,000,000 SH SOLE 1,000,000 SHIRE PLC SPONSORED ADR 82481R106 23,971 413,575 SH SOLE 413,575 SLM CORP COM 78442P106 24,560 1,600,000 SH SOLE 1,600,000 TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADR 874039100 30,810 3,000,000 SH SOLE 3,000,000 TEMPLE INLAND INC COM 879868107 6,360 500,000 SH SOLE 500,000 TITANIUM METALS CORP COM NEW 888339207 4,279 284,300 SH SOLE 284,300 TRANSFORMA AQUISITION GROUP COM 89366E100 7,750 1,000,000 SH SOLE 1,000,000 *W EXP TRANSFORMA ACQUISITION GROUP 12/19/201 89366E118 250 1,000,000 SH SOLE 1,000,000 TRANSOCEAN INC NEW SHS G90073100 44,616 330,000 SH SOLE 383,200 TRIPLE-S MGMT CORP CL B 896749108 6,763 383,200 SH SOLE 383,200 TYCO ELECTRONICS LTD COM NEW G9144P105 63,593 1,852,930 SH SOLE 1,852,930 ULURU INC COM 90403T100 13,646 6,064,721 SH SOLE 6,064,721 UNION PAC CORP COM 907818108 35,232 281,000 SH SOLE 281,000 URS CORP NEW COM 903236107 3,485 106,600 SH SOLE 106,600 U S AIRWAYS GROUP INC COM 90341W108 4,455 500,000 SH SOLE 500,000 VALEANT PHARMACEUTICALS INTL COM 91911X104 23,316 1,817,300 SH SOLE 1,817,300 VALERO ENERGY CORP NEW COM 91913Y100 56,968 1,160,000 SH SOLE 1,160,000 WELLS FARGO & CO NEW COM 949746101 29,100 1,000,000 SH PUT SOLE WILLIAMS COS INC DEL COM 969457100 135,673 4,113,808 SH SOLE 4,113,808 WYETH COM 983024100 87,111 2,086,000 SH SOLE 2,086,000 YAHOO INC COM 984332106 14,465 500,000 SH SOLE 500,000 ZIMMER HLDGS INC COM 98956P102 119,743 1,537,930 SH SOLE 1,537,930