13F-HR 1 p12-0206form13fhr.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: December 31, 2011 ------------------------ 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: 767 Fifth Avenue, 8th Floor -------------------------------------------------- New York, New York 10153 -------------------------------------------------- -------------------------------------------------- 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: Jennifer Fanjiang -------------------------------------------------- Title: General Counsel -------------------------------------------------- Phone: 212 455-0900 -------------------------------------------------- Signature, Place, and Date of Signing: /s/ Jennifer Fanjiang New York, New York February 14, 2012 ------------------------ ----------------------------- ----------------- 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: 30 ------------- Form 13F Information Table Value Total: $2,301,120 ------------- (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 ---------------------------- --------------- --------- -------- ------------------- ---------- -------- ----------------------- VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGERS SOLE SHARED NONE ---------------------------- --------------- --------- -------- ---------- --- ---- ---------- -------- ------- ---------- ---- ANADARKO PETE CORP COM 032511107 94,462 1,237,542 SH SOLE 66,208 1,171,334 APPLE INC COM 037833100 104,805 258,777 SH SOLE 13,849 244,928 BMC SOFTWARE INC COM 055921100 44,142 1,346,615 SH SOLE 97,279 1,249,336 COMVERSE TECHNOLOGY INC COM PAR $0.10 205862402 42,229 6,155,837 SH SOLE 328,822 5,827,015 CONVERGYS CORP COM 212485106 15,058 1,179,161 SH SOLE 86,548 1,092,613 CYTEC INDS INC COM 232820100 67,034 1,501,313 SH SOLE 80,871 1,420,442 DELPHI AUTOMOTIVE PLC SHS G27823106 19,154 889,226 SH SOLE 64,261 824,965 EL PASO CORP COM 28336L109 134,603 5,065,987 SH SOLE 271,031 4,794,956 ENERGIZER HLDGS INC COM 29266R108 77,311 997,824 SH SOLE 53,375 944,449 EXELIS INC COM 30162A108 12,004 1,326,386 SH SOLE 95,929 1,230,457 EXPEDIA INC DEL COM 30212P105 88,770 3,058,923 SH SOLE 163,764 2,895,159 GOOGLE INC CL A 38259P508 36,689 56,803 SH SOLE 4,110 52,693 HCA HOLDINGS INC COM 40412C101 10,065 456,892 SH SOLE 24,661 432,231 LIBERTY MEDIA CORPORATION LIB CAP COM A 530322106 101,636 1,302,191 SH SOLE 69,751 1,232,440 LIBERTY INTERACTIVE CORPORAT INT COM SER A 53071M104 63,228 3,899,338 SH SOLE 210,573 3,688,765 LIFE TECHNOLOGIES CORP COM 53217V109 52,512 1,349,584 SH SOLE 74,576 1,275,008 MARATHON PETE CORP COM 56585A102 553,836 16,636,720 SH SOLE 0 16,636,720 MARATHON PETE CORP COM 56585A102 114,198 536,000 SH CALL SOLE MARRIOTT VACATIONS WRLDWDE C COM 57164Y107 4,103 239,097 SH SOLE 17,238 221,859 MCGRAW HILL COS INC COM 580645109 395,465 8,793,978 SH SOLE 0 8,793,978 MOTOROLA SOLUTIONS INC COM NEW 620076307 46,463 1,003,741 SH SOLE 72,576 931,165 NETFLIX INC COM 64110L106 44,941 648,594 SH SOLE 34,925 613,669 OPKO HEALTH INC COM 68375N103 9,786 1,997,234 SH SOLE 144,583 1,852,651 ROCK-TENN CO CL A 772739207 40,151 695,856 SH SOLE 37,169 658,687 SEMGROUP CORP CL A 81663A105 51,107 1,961,141 SH SOLE 104,363 1,856,778 SAVIENT PHARMACEUTICALS INC NOTE 4.750% 2/0 80517QAA8 12,934 29,574,000 PRN SOLE 0 0 SPDR GOLD TRUST GOLD SHS 78463V107 18,268 120,191 SH SOLE 34,847 85,344 SUNOCO INC COM 86764P109 16,908 412,194 SH SOLE 22,191 390,003 TRIPADVISOR INC COM 896945201 22,956 910,607 SH SOLE 49,798 860,809 WPX ENERGY INC COM 98212B103 6,302 346,851 SH SOLE 25,045 321,806