13F-HR 1 d426293d13fhr.txt 13F-HR ================================================================================ UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: September 30, 2012 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: DIAMONDBACK CAPITAL MANAGEMENT Address: ONE LANDMARK SQUARE STAMFORD, CT 06901 13 File Number: 28-11513 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: Timothy M. Higgins Title: Chief Financial Officer Phone: 203 399 1600 Signature, Place and Date of Signing: Timothy M. Higgins Stamford, CT November 14, 2012 _______________________ ________________________ _______________________ [Signature] [City, State] [Date] Report Type (Check only one.): [X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934 ================================================================================ FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 Form 13F Information Table Entry Total: 523 Form 13F Information Table Value Total: 3192308

CLARCOR INC COM 179895107 2071 46414 SH Sole 46414 CLOROX CO DEL COM 189054109 252 3498 SH Sole 3498 COCA COLA CO COM 191216100 22952 605109 SH Sole 605109 COCA COLA ENTERPRISES INC NE COM 19122T109 290 9270 SH Sole 9270 COGNIZANT TECHNOLOGY SOLUTIO CL A 192446102 15019 214898 SH Sole 214898 COINSTAR INC COM 19259P300 2657 59067 SH Sole 59067 COLGATE PALMOLIVE CO COM 194162103 897 8363 SH Sole 8363 COLLECTIVE BRANDS INC COM 19421W100 2200 101319 SH Sole 101319 COMCAST CORP NEW CL A 20030N101 4866 136130 SH Sole 136130 COMMERCE BANCSHARES INC COM 200525103 1206 29901 SH Sole 29901 COMPLETE GENOMICS INC COM 20454K104 762 245140 SH Sole 245140 CONAGRA FOODS INC COM 205887102 3119 113037 SH Sole 113037 CONCEPTUS INC COM 206016107 2061 101500 SH Sole 101500 CONCHO RES INC COM 20605P101 269 2844 SH Sole 2844 COOPER COS INC COM NEW 216648402 3963 41952 SH Sole 41952 COOPER INDUSTRIES PLC SHS G24140108 47054 626879 SH Sole 626879 CORNING INC COM 219350105 392 29790 SH Sole 29790 CORRECTIONS CORP AMER NEW COM NEW 22025Y407 6209 185632 SH Sole 185632 COVENTRY HEALTH CARE INC COM 222862104 26403 633328 SH Sole 633328 CSX CORP COM 126408103 490 23622 SH Sole 23622 CUBIST PHARMACEUTICALS INC COM 229678107 6520 136706 SH Sole 136706 CUBIST PHARMACEUTICALS INC COM 229678957 2384 50000 SH PUT Sole 50000 CUMMINS INC COM 231021106 439 4764 SH Sole 4764 CVS CAREMARK CORPORATION COM 126650100 6734 139084 SH Sole 139084 D R HORTON INC COM 23331A109 694 33645 SH Sole 33645 DANA HLDG CORP COM 235825205 246 20000 SH Sole 20000 DAVITA INC COM 23918K108 10291 99323 SH Sole 99323 DECKERS OUTDOOR CORP COM 243537107 961 26231 SH Sole 26231 DEERE & CO COM 244199105 9346 113294 SH Sole 113294 DELL INC COM 24702R101 877 89003 SH Sole 89003 DELTA AIR LINES INC DEL COM NEW 247361702 1397 152486 SH Sole 152486 DELTEK INC COM 24784L105 130 10000 SH Sole 10000 DENBURY RES INC COM NEW 247916208 745 46108 SH Sole 46108 DEVON ENERGY CORP NEW COM 25179M103 221 3647 SH Sole 3647 DIAMOND OFFSHORE DRILLING IN COM 25271C102 284 4308 SH Sole 4308 DICKS SPORTING GOODS INC COM 253393102 5895 113700 SH Sole 113700 DIGITAL GENERATION INC COM 25400B108 277 24402 SH Sole 24402 DIGITALGLOBE INC COM NEW 25389M877 770 37766 SH Sole 37766 DILLARDS INC CL A 254067101 3942 54513 SH Sole 54513 DIME CMNTY BANCSHARES COM 253922108 217 15000 SH Sole 15000 DISCOVER FINL SVCS COM 254709108 31273 787132 SH Sole 787132 DISNEY WALT CO COM DISNEY 254687106 1079 20641 SH Sole 20641 DOLLAR GEN CORP NEW COM 256677105 5564 107947 SH Sole 107947 DOMINOS PIZZA INC COM 25754A201 2009 53290 SH Sole 53290 DOW CHEM CO COM 260543953 5792 200000 SH PUT Sole 200000 DR PEPPER SNAPPLE GROUP INC COM 26138E109 253 5673 SH Sole 5673 DU PONT E I DE NEMOURS & CO COM 263534959 15081 300000 SH PUT Sole 300000 DUKE ENERGY CORP NEW COM NEW 26441C204 237 3658 SH Sole 3658 DUNKIN BRANDS GROUP INC COM 265504100 7477 256112 SH Sole 256112 DYAX CORP COM 26746E103 2843 1093600 SH Sole 1093600 DYNAVAX TECHNOLOGIES CORP COM 268158102 2157 453100 SH Sole 453100 E M C CORP MASS COM 268648102 895 32803 SH Sole 32803 EAST WEST BANCORP INC COM 27579R104 2924 138466 SH Sole 138466 EATON CORP COM 278058102 1035 21900 SH Sole 21900 EATON VANCE CORP COM NON VTG 278265103 7194 248414 SH Sole 248414 EBAY INC COM 278642103 330 6817 SH Sole 6817 ECOLAB INC COM 278865100 12790 197345 SH Sole 197345 EDAP TMS S A SPONSORED ADR 268311107 350 204800 SH Sole 204800 EDWARDS LIFESCIENCES CORP COM 28176E108 2846 26504 SH Sole 26504 ELAN PLC ADR 284131908 1608 150000 SH CALL Sole 150000 ENERGIZER HLDGS INC COM 29266R108 1962 26298 SH Sole 26298 ENERGY TRANSFER PRTNRS L P UNIT LTD PARTN 29273R909 2129 50000 SH CALL Sole 50000 EOG RES INC COM 26875P101 622 5548 SH Sole 5548 EQUINIX INC COM NEW 29444U502 4771 23154 SH Sole 23154 EQUITY RESIDENTIAL SH BEN INT 29476L107 547 9500 SH Sole 9500 EVEREST RE GROUP LTD COM G3223R108 72332 676252 SH Sole 676252 EXPEDIA INC DEL COM NEW 30212P303 5904 102068 SH Sole 102068 EXPEDITORS INTL WASH INC COM 302130109 251 6902 SH Sole 6902 EXPRESS INC COM 30219E103 950 64096 SH Sole 64096 EXPRESS SCRIPTS HLDG CO COM 30219G108 14195 226655 SH Sole 226655 EXXON MOBIL CORP COM 30231G102 1656 18113 SH Sole 18113 FASTENAL CO COM 311900104 332 7713 SH Sole 7713 FEDEX CORP COM 31428X106 6134 72485 SH Sole 72485 FIFTH THIRD BANCORP COM 316773100 8737 563517 SH Sole 563517 FIRST REP BK SAN FRANCISCO C COM 33616C100 4787 138909 SH Sole 138909 FIRSTMERIT CORP COM 337915102 489 33219 SH Sole 33219 FLOWSERVE CORP COM 34354P105 201 1572 SH Sole 1572 FMC TECHNOLOGIES INC COM 30249U101 292 6305 SH Sole 6305 FOOT LOCKER INC COM 344849104 7894 222353 SH Sole 222353 FORD MTR CO DEL COM PAR $0.01 345370860 14370 1457401 SH Sole 1457401 FOREST LABS INC COM 345838106 11537 323969 SH Sole 323969 FORTINET INC COM 34959E109 965 40000 SH Sole 40000 FRANKLIN RES INC COM 354613101 14119 112888 SH Sole 112888 FREEPORT-MCMORAN COPPER & GO COM 35671D857 7579 191495 SH Sole 191495 FRESH MKT INC COM 35804H106 694 11581 SH Sole 11581 FRONTIER COMMUNICATIONS CORP COM 35906A108 3082 628981 SH Sole 628981 FULLER H B CO COM 359694106 2811 91624 SH Sole 91624 FULTON FINL CORP PA COM 360271100 3901 396083 SH Sole 396083 FURIEX PHARMACEUTICALS INC COM 36106P101 2280 119500 SH Sole 119500 FUSHI COPPERWELD INC COM 36113E957 591 65000 SH PUT Sole 65000 FUSION-IO INC COM 36112J907 454 15000 SH CALL Sole 15000 GARTNER INC COM 366651107 507 11000 SH Sole 11000 GAYLORD ENTMT CO NEW COM 367905106 7100 179602 SH Sole 179602 GENERAL ELECTRIC CO COM 369604103 7385 325178 SH Sole 325178 GENERAL GROWTH PPTYS INC NEW COM 370023103 2349 120560 SH Sole 120560 GENERAL MTRS CO COM 37045V100 1138 50000 SH Sole 50000 GENERAL MTRS CO *W EXP 07/10/201 37045V126 191 23166 SH Sole 23166 GENERAL MTRS CO *W EXP 07/10/201 37045V118 319 23166 SH Sole 23166 GENESEE & WYO INC CL A 371559105 4890 73142 SH Sole 73142 GENON ENERGY INC COM 37244E107 20453 8084000 SH Sole 8084000 GILEAD SCIENCES INC COM 375558103 11397 171817 SH Sole 171817 GILEAD SCIENCES INC COM 375558903 2653 40000 SH CALL Sole 40000 GIVEN IMAGING ORD SHS M52020100 4394 301600 SH Sole 301600 GOODRICH PETE CORP COM NEW 382410405 8349 660491 SH Sole 660491 GOODRICH PETE CORP COM NEW 382410905 2528 200000 SH CALL Sole 200000 GOOGLE INC CL A 38259P508 20658 27380 SH Sole 27380 GRAINGER W W INC COM 384802104 366 1756 SH Sole 1756 GREATBATCH INC COM 39153L106 4428 182000 SH Sole 182000 GREEN MTN COFFEE ROASTERS IN COM 393122906 237 10000 SH CALL Sole 10000 GREENLIGHT CAPITAL RE LTD CLASS A G4095J109 13076 528324 SH Sole 528324

GRIFOLS S A SP ADR REP B NVT 398438408 13068 572400 SH Sole 572400 H & E EQUIPMENT SERVICES INC COM 404030108 135 11100 SH Sole 11100 HAIN CELESTIAL GROUP INC COM 405217100 962 15277 SH Sole 15277 HALLIBURTON CO COM 406216101 240 7135 SH Sole 7135 HARRIS CORP DEL COM 413875105 204 3987 SH Sole 3987 HARTFORD FINL SVCS GROUP INC COM 416515104 1248 64189 SH Sole 64189 HARVEST NATURAL RESOURCES IN COM 41754V903 223 25000 SH CALL Sole 25000 HCA HOLDINGS INC COM 40412C101 1723 51827 SH Sole 51827 HERBALIFE LTD COM USD SHS G4412G101 225 4751 SH Sole 4751 HERSHEY CO COM 427866108 299 4217 SH Sole 4217 HERTZ GLOBAL HOLDINGS INC COM 42805T105 27241 1984081 SH Sole 1984081 HESS CORP COM 42809H107 18557 345435 SH Sole 345435 HEWLETT PACKARD CO COM 428236103 606 35542 SH Sole 35542 HOME DEPOT INC COM 437076102 7298 120880 SH Sole 120880 HOME PROPERTIES INC COM 437306103 980 16000 SH Sole 16000 HORMEL FOODS CORP COM 440452100 218 7439 SH Sole 7439 HUDSON CITY BANCORP COM 443683107 1746 219776 SH Sole 219776 HUNTINGTON BANCSHARES INC COM 446150104 3427 496998 SH Sole 496998 HUNTSMAN CORP COM 447011107 4483 300281 SH Sole 300281 HUTCHINSON TECHNOLOGY INC NOTE 8.500% 1/1 448407AG1 7198 10537000 PRN Sole 10537000 ILLUMINA INC COM 452327109 3158 65528 SH Sole 65528 IMAX CORP COM 45245E109 3144 157889 SH Sole 157889 INCYTE CORP COM 45337C102 4419 244800 SH Sole 244800 INCYTE CORP NOTE 4.750%10/0 45337CAJ1 13022 6000000 PRN Sole 6000000 INFINITY PHARMACEUTICALS INC COM 45665G303 6535 277500 SH Sole 277500 INTEGRATED DEVICE TECHNOLOGY COM 458118106 93 15775 SH Sole 15775 INTEL CORP COM 458140100 1458 64353 SH Sole 64353 INTERCONTINENTALEXCHANGE INC COM 45865V100 303 2271 SH Sole 2271 INTERXION HOLDING N.V SHS N47279109 1964 86431 SH Sole 86431 INTL PAPER CO COM 460146103 6561 180647 SH Sole 180647 INTUIT COM 461202103 359 6102 SH Sole 6102 INTUITIVE SURGICAL INC COM NEW 46120E602 15170 30608 SH Sole 30608 ISHARES TR MSCI EMERG MKT 464287234 3857 93344 SH Sole 93344 ISHARES TR FTSE CHINA25 IDX 464287184 2558 73922 SH Sole 73922 ISHARES TR RUSSELL 2000 464287951 6258 75000 SH PUT Sole 75000 ISIS PHARMACEUTICALS INC COM 464330959 1407 100000 SH PUT Sole 100000 JEFFERIES GROUP INC NEW COM 472319102 7537 550582 SH Sole 550582 JOHNSON & JOHNSON COM 478160104 9019 130877 SH Sole 130877 JOHNSON & JOHNSON COM 478160904 13782 200000 SH CALL Sole 200000 JOHNSON CTLS INC COM 478366107 322 11737 SH Sole 11737 JOY GLOBAL INC COM 481165108 3804 67861 SH Sole 67861 JPMORGAN CHASE & CO COM 46625H100 55961 1382436 SH Sole 1382436 KBR INC COM 48242W106 10353 347173 SH Sole 347173 KELLOGG CO COM 487836108 7893 152791 SH Sole 152791 KENEXA CORP COM 488879107 2062 45000 SH Sole 45000 KEYCORP NEW COM 493267108 1078 123332 SH Sole 123332 KIMBERLY CLARK CORP COM 494368103 662 7714 SH Sole 7714 KINDER MORGAN INC DEL *W EXP 05/25/201 49456B119 77 22191 SH Sole 22191 KINROSS GOLD CORP COM NO PAR 496902404 922 90302 SH Sole 90302 KINROSS GOLD CORP COM NO PAR 496902904 8168 800000 SH CALL Sole 800000 KOHLS CORP COM 500255104 462 9024 SH Sole 9024 KONGZHONG CORP SPONSORED ADR 50047P104 12488 1858311 SH Sole 1858311 KRAFT FOODS INC CL A 50075N104 14077 340442 SH Sole 340442 LABORATORY CORP AMER HLDGS COM NEW 50540R409 605 6539 SH Sole 6539 LABORATORY CORP AMER HLDGS COM NEW 50540R909 4624 50000 SH CALL Sole 50000 LAS VEGAS SANDS CORP COM 517834107 2122 45755 SH Sole 45755 LEAR CORP COM NEW 521865204 1694 44816 SH Sole 44816 LEVEL 3 COMMUNICATIONS INC COM NEW 52729N308 212 9232 SH Sole 9232 LIBERTY GLOBAL INC COM SER A 530555101 8330 137118 SH Sole 137118 LIBERTY INTERACTIVE CORP RIGHT 99/99/9999 53071M112 856 63204 SH Sole 63204 LIBERTY INTERACTIVE CORP LBT VENT COM A 53071M880 13669 275358 SH Sole 275358 LIGAND PHARMACEUTICALS INC COM NEW 53220K504 1384 80700 SH Sole 80700 LILLY ELI & CO COM 532457108 2845 60000 SH Sole 60000 LINCOLN NATL CORP IND COM 534187109 34091 1409294 SH Sole 1409294 LINEAR TECHNOLOGY CORP COM 535678106 213 6685 SH Sole 6685 LOCKHEED MARTIN CORP COM 539830109 200 2142 SH Sole 2142 LOUISIANA PAC CORP COM 546347905 2500 200000 SH CALL Sole 200000 MACERICH CO COM 554382101 1087 19000 SH Sole 19000 MACYS INC COM 55616P104 6128 162896 SH Sole 162896 MADDEN STEVEN LTD COM 556269108 330 7543 SH Sole 7543 MARATHON OIL CORP COM 565849106 11161 377435 SH Sole 377435 MARATHON OIL CORP COM 565849906 8871 300000 SH CALL Sole 300000 MARKET VECTORS ETF TR GOLD MINER ETF 57060U100 2952 54991 SH Sole 54991 MARKET VECTORS ETF TR OIL SVCS ETF 57060U950 4024 100000 SH PUT Sole 100000 MARVELL TECHNOLOGY GROUP LTD ORD G5876H105 145 15851 SH Sole 15851 MASCO CORP COM 574599106 173 11477 SH Sole 11477 MASTERCARD INC CL A 57636Q104 2257 5000 SH Sole 5000 MBIA INC COM 55262C100 10929 1078855 SH Sole 1078855 MCCORMICK & CO INC COM NON VTG 579780206 213 3431 SH Sole 3431 MCDONALDS CORP COM 580135101 12416 135325 SH Sole 135325 MCGRAW HILL COS INC COM 580645109 276 5064 SH Sole 5064 MCMORAN EXPLORATION CO NOTE 4.000%12/3 582411AJ3 7655 7450000 PRN Sole 7450000 MCMORAN EXPLORATION CO COM 582411904 4700 400000 SH CALL Sole 400000 MCMORAN EXPLORATION CO COM 582411954 1763 150000 SH PUT Sole 150000 MEAD JOHNSON NUTRITION CO COM 582839106 357 4866 SH Sole 4866 MEADWESTVACO CORP COM 583334107 10567 345339 SH Sole 345339 MEDASSETS INC COM 584045108 5403 303550 SH Sole 303550 MEDICIS PHARMACEUTICAL CORP CL A NEW 584690309 18024 416538 SH Sole 416538 MEDIVATION INC COM 58501N101 5576 98945 SH Sole 98945 MEDTRONIC INC COM 585055106 2803 65000 SH Sole 65000 MERCK & CO INC NEW COM 58933Y105 2249 49860 SH Sole 49860 METLIFE INC COM 59156R108 9075 263353 SH Sole 263353 METLIFE INC COM 59156R908 5169 150000 SH CALL Sole 150000 MICHAEL KORS HLDGS LTD SHS G60754101 6815 128151 SH Sole 128151 MICROSOFT CORP COM 594918104 934 31400 SH Sole 31400 MID-AMER APT CMNTYS INC COM 59522J103 365 5593 SH Sole 5593 MOHAWK INDS INC COM 608190104 3593 44902 SH Sole 44902 MONSANTO CO NEW COM 61166W101 244 2677 SH Sole 2677 MONSTER BEVERAGE CORP COM 611740101 256 4742 SH Sole 4742 MONTPELIER RE HOLDINGS LTD SHS G62185106 1649 74534 SH Sole 74534 MYRIAD GENETICS INC COM 62855J904 943 35000 SH CALL Sole 35000 NAM TAI ELECTRS INC COM PAR $0.02 629865205 1446 134925 SH Sole 134925 NANOSPHERE INC COM 63009F105 7154 2154800 SH Sole 2154800 NASDAQ OMX GROUP INC COM 631103108 1915 82215 SH Sole 82215 NATIONAL FINL PARTNERS CORP NOTE 4.000% 6/1 63607PAC3 14806 10000000 PRN Sole 10000000 NATIONAL OILWELL VARCO INC COM 637071101 2142 26741 SH Sole 26741 NATIONAL PENN BANCSHARES INC COM 637138108 1321 145000 SH Sole 145000 NETAPP INC COM 64110D104 307 9350 SH Sole 9350 NEWMONT MINING CORP COM 651639106 696 12425 SH Sole 12425 NEXEN INC COM 65334H102 9376 370000 SH Sole 370000

NOBLE CORPORATION BAAR NAMEN -AKT H5833N103 25319 707639 SH Sole 707639 NOBLE ENERGY INC COM 655044105 9069 97816 SH Sole 97816 NORDSTROM INC COM 655664100 4189 75913 SH Sole 75913 NORFOLK SOUTHERN CORP COM 655844108 1315 20662 SH Sole 20662 NOVADAQ TECHNOLOGIES INC COM 66987G102 1583 153100 SH Sole 153100 NPS PHARMACEUTICALS INC COM 62936P103 6687 722970 SH Sole 722970 NUVASIVE INC COM 670704105 1481 64653 SH Sole 64653 NVIDIA CORP COM 67066G104 471 35300 SH Sole 35300 NXSTAGE MEDICAL INC COM 67072V103 1265 95764 SH Sole 95764 NYSE EURONEXT COM 629491101 6181 250761 SH Sole 250761 OCCIDENTAL PETE CORP DEL COM 674599105 19730 229256 SH Sole 229256 OMEGA HEALTHCARE INVS INC COM 681936100 750 33000 SH Sole 33000 ONYX PHARMACEUTICALS INC COM 683399109 36687 434165 SH Sole 434165 OPENTABLE INC COM 68372A954 2080 50000 SH PUT Sole 50000 ORACLE CORP COM 68389X105 1828 58116 SH Sole 58116 OREXIGEN THERAPEUTICS INC COM 686164104 1300 227453 SH Sole 227453 OREXIGEN THERAPEUTICS INC COM 686164904 286 50000 SH CALL Sole 50000 ORTHOFIX INTL N V COM N6748L102 12552 280482 SH Sole 280482 PACKAGING CORP AMER COM 695156109 4226 116419 SH Sole 116419 PACWEST BANCORP DEL COM 695263103 234 10000 SH Sole 10000 PANDORA MEDIA INC COM 698354107 1163 106238 SH Sole 106238 PANDORA MEDIA INC COM 698354907 2190 200000 SH CALL Sole 200000 PANERA BREAD CO CL A 69840W108 3983 23307 SH Sole 23307 PEETS COFFEE & TEA INC COM 705560100 3322 45297 SH Sole 45297 PENNYMAC MTG INVT TR COM 70931T103 3351 143404 SH Sole 143404 PEPSICO INC COM 713448108 1602 22643 SH Sole 22643 PERKINELMER INC COM 714046109 4802 162944 SH Sole 162944 PETSMART INC COM 716768106 9863 142979 SH Sole 142979 PFIZER INC COM 717081103 49365 1986536 SH Sole 1986536 PG&E CORP COM 69331C108 1010 23660 SH Sole 23660 PHARMACYCLICS INC COM 716933106 1894 29361 SH Sole 29361 PHH CORP COM NEW 693320202 1365 67100 SH Sole 67100 PHH CORP NOTE 6.000% 6/1 693320AQ6 18167 10000000 PRN Sole 10000000 PIER 1 IMPORTS INC COM 720279108 2953 157556 SH Sole 157556 PNC FINL SVCS GROUP INC COM 693475105 27003 427942 SH Sole 427942 POST HLDGS INC COM 737446104 240 8000 SH Sole 8000 POWERSHARES QQQ TRUST UNIT SER 1 73935A104 5777 84243 SH Sole 84243 POWERSHARES QQQ TRUST UNIT SER 1 73935A954 10286 150000 SH PUT Sole 150000 POWERSHS DB MULTI SECT COMM PS DB AGRICUL FD 73936B408 11764 400000 SH Sole 400000 PRAXAIR INC COM 74005P104 760 7312 SH Sole 7312 PRICE T ROWE GROUP INC COM 74144T108 5910 93368 SH Sole 93368 PRICELINE COM INC COM NEW 741503403 11613 18758 SH Sole 18758 PRICELINE COM INC COM NEW 741503953 3095 5000 SH PUT Sole 5000 PROCTER & GAMBLE CO COM 742718109 2437 35140 SH Sole 35140 PRUDENTIAL FINL INC COM 744320102 650 11918 SH Sole 11918 PUBLIC STORAGE COM 74460D109 228 1635 SH Sole 1635 PUBLIC SVC ENTERPRISE GROUP COM 744573106 970 30132 SH Sole 30132 PULTE GROUP INC COM 745867101 4093 264037 SH Sole 264037 PVH CORP COM 693656100 3724 39735 SH Sole 39735 QIHOO 360 TECHNOLOGY CO LTD ADS 74734M109 10241 464425 SH Sole 464425 QLT INC COM 746927102 1306 167700 SH Sole 167700 QUALCOMM INC COM 747525103 9310 149034 SH Sole 149034 QUALITY SYS INC COM 747582904 1390 75000 SH CALL Sole 75000 QUEST DIAGNOSTICS INC COM 74834L100 7068 111436 SH Sole 111436 QUESTCOR PHARMACEUTICALS INC COM 74835Y901 740 40000 SH CALL Sole 40000 QUICKSILVER RESOURCES INC COM 74837R104 172 42000 SH Sole 42000 QUIDEL CORP COM 74838J101 1132 59800 SH Sole 59800 RADIAN GROUP INC COM 750236101 1793 413100 SH Sole 413100 RAILAMERICA INC COM 750753402 3547 129116 SH Sole 129116 RALPH LAUREN CORP CL A 751212101 3258 21545 SH Sole 21545 RANGE RES CORP COM 75281A109 1596 22839 SH Sole 22839 RAYMOND JAMES FINANCIAL INC COM 754730109 3242 88454 SH Sole 88454 REGENERON PHARMACEUTICALS COM 75886F107 4717 30900 SH Sole 30900 REGIONS FINANCIAL CORP NEW COM 7591EP100 11719 1625314 SH Sole 1625314 REPROS THERAPEUTICS INC COM NEW 76028H209 2577 169200 SH Sole 169200 RESEARCH IN MOTION LTD COM 760975952 75 10000 SH PUT Sole 10000 RIO TINTO PLC SPONSORED ADR 767204100 500 10700 SH Sole 10700 RITE AID CORP COM 767754104 7961 6804300 SH Sole 6804300 RIVERBED TECHNOLOGY INC COM 768573107 383 16455 SH Sole 16455 ROBBINS & MYERS INC COM 770196103 12699 213075 SH Sole 213075 ROBERT HALF INTL INC COM 770323103 3393 127414 SH Sole 127414 ROCKWELL AUTOMATION INC COM 773903109 273 3926 SH Sole 3926 ROCKWOOD HLDGS INC COM 774415953 4660 100000 SH PUT Sole 100000 ROPER INDS INC NEW COM 776696106 292 2654 SH Sole 2654 ROWAN COMPANIES PLC SHS CL A G7665A101 664 19668 SH Sole 19668 ROYAL CARIBBEAN CRUISES LTD COM V7780T103 295 9758 SH Sole 9758 SAKS INC COM 79377W108 424 41100 SH Sole 41100 SALESFORCE COM INC COM 79466L302 1978 12957 SH Sole 12957 SALLY BEAUTY HLDGS INC COM 79546E104 2223 88582 SH Sole 88582 SANDISK CORP COM 80004C101 1356 31228 SH Sole 31228 SANOFI RIGHT 12/31/2020 80105N113 1439 856669 SH Sole 856669 SAREPTA THERAPEUTICS INC COM 803607100 1417 91250 SH Sole 91250 SAREPTA THERAPEUTICS INC COM 803607900 3339 215000 SH CALL Sole 215000 SCHLUMBERGER LTD COM 806857108 7090 98027 SH Sole 98027 SCHOOL SPECIALTY INC SDCV 3.750%11/3 807863AM7 2321 3500000 PRN Sole 3500000 SCHWAB CHARLES CORP NEW COM 808513105 17049 1333004 SH Sole 1333004 SEABRIGHT HOLDINGS INC COM 811656107 549 49900 SH Sole 49900 SEAGATE TECHNOLOGY PLC SHS G7945M107 275 8876 SH Sole 8876 SEAGATE TECHNOLOGY PLC SHS G7945M907 310 10000 SH CALL Sole 10000 SEALY CORP COM 812139301 109 50000 SH Sole 50000 SELECT SECTOR SPDR TR SBI INT-UTILS 81369Y886 3832 105294 SH Sole 105294 SHAW GROUP INC COM 820280105 3103 71132 SH Sole 71132 SHIRE PLC SPONSORED ADR 82481R106 10910 123000 SH Sole 123000 SIMON PPTY GROUP INC NEW COM 828806109 331 2183 SH Sole 2183 SIRIUS XM RADIO INC COM 82967N108 638 246356 SH Sole 246356 SIRIUS XM RADIO INC COM 82967N908 15816 6106600 SH CALL Sole 6106600 SIRONA DENTAL SYSTEMS INC COM 82966C103 3777 66312 SH Sole 66312 SMUCKER J M CO COM NEW 832696405 254 2944 SH Sole 2944 SOUTHERN CO COM 842587107 1797 38997 SH Sole 38997 SOUTHWEST AIRLS CO COM 844741108 200 22786 SH Sole 22786 SPDR S&P 500 ETF TR TR UNIT 78462F953 80767 561000 SH PUT Sole 561000 SPDR SERIES TRUST S&P HOMEBUILD 78464A888 1378 55500 SH Sole 55500 SPDR SERIES TRUST S&P REGL BKG 78464A698 3866 135000 SH Sole 135000 SPECTRA ENERGY CORP COM 847560109 444 15128 SH Sole 15128 SPRINT NEXTEL CORP COM SER 1 852061100 5429 983489 SH Sole 983489 SPX CORP COM 784635104 12422 189908 SH Sole 189908 ST JUDE MED INC COM 790849103 5199 123415 SH Sole 123415 STAAR SURGICAL CO COM PAR $0.01 852312305 1282 169600 SH Sole 169600 STARWOOD HOTELS&RESORTS WRLD COM 85590A401 10897 188010 SH Sole 188010 STATE STR CORP COM 857477103 15418 367443 SH Sole 367443

STERICYCLE INC COM 858912108 229 2526 SH Sole 2526 SUNCOR ENERGY INC NEW COM 867224107 888 27000 SH Sole 27000 SUNESIS PHARMACEUTICALS INC COM NEW 867328601 998 176700 SH Sole 176700 SUNOCO INC COM 86764P109 50342 1075000 SH Sole 1075000 SYMMETRY MED INC COM 871546206 831 84053 SH Sole 84053 TAKE-TWO INTERACTIVE SOFTWAR COM 874054109 18657 1787112 SH Sole 1787112 TARGET CORP COM 87612E106 11446 180337 SH Sole 180337 TCF FINL CORP COM 872275102 7516 629459 SH Sole 629459 TD AMERITRADE HLDG CORP COM 87236Y108 20540 1336380 SH Sole 1336380 TEAM HEALTH HOLDINGS INC COM 87817A107 2853 105167 SH Sole 105167 TECK RESOURCES LTD CL B 878742204 227 7700 SH Sole 7700 TERADATA CORP DEL COM 88076W103 3119 41361 SH Sole 41361 TEREX CORP NEW COM 880779103 434 19226 SH Sole 19226 TEVA PHARMACEUTICAL INDS LTD ADR 881624209 8253 199300 SH Sole 199300 TEXAS INDS INC COM 882491103 478 11757 SH Sole 11757 TEXAS INDS INC COM 882491903 4065 100000 SH CALL Sole 100000 TEXAS INSTRS INC COM 882508104 557 20219 SH Sole 20219 THOMSON REUTERS CORP COM 884903105 384 13315 SH Sole 13315 THORATEC CORP COM NEW 885175307 3623 104698 SH Sole 104698 TIBCO SOFTWARE INC COM 88632Q103 1687 55802 SH Sole 55802 TIBCO SOFTWARE INC COM 88632Q903 302 10000 SH CALL Sole 10000 TIDEWATER INC COM 886423102 3274 67458 SH Sole 67458 TIFFANY & CO NEW COM 886547108 4202 67903 SH Sole 67903 TIME WARNER INC COM NEW 887317303 17265 380874 SH Sole 380874 TITAN INTL INC ILL COM 88830M902 5298 300000 SH CALL Sole 300000 TJX COS INC NEW COM 872540109 4257 95045 SH Sole 95045 TORNIER N V SHS N87237108 3248 171400 SH Sole 171400 TRANSOCEAN LTD REG SHS H8817H100 44356 988103 SH Sole 988103 TRANSOCEAN LTD REG SHS H8817H900 4489 100000 SH CALL Sole 100000 TRAVELERS COMPANIES INC COM 89417E109 645 9447 SH Sole 9447 TRINITY BIOTECH PLC SPON ADR NEW 896438306 1913 152190 SH Sole 152190 TRIUMPH GROUP INC NEW COM 896818101 2096 33517 SH Sole 33517 TRIUS THERAPEUTICS INC COM 89685K100 1185 203200 SH Sole 203200 TYSON FOODS INC CL A 902494103 688 42948 SH Sole 42948 U S AIRWAYS GROUP INC COM 90341W108 33600 3212228 SH Sole 3212228 UBIQUITI NETWORKS INC COM 90347A950 119 10000 SH PUT Sole 10000 UNION PAC CORP COM 907818108 1253 10559 SH Sole 10559 UNITED PARCEL SERVICE INC CL B 911312106 979 13673 SH Sole 13673 UNITED RENTALS INC COM 911363109 450 13767 SH Sole 13767 UNITEDHEALTH GROUP INC COM 91324P102 336 6061 SH Sole 6061 UNUM GROUP COM 91529Y106 231 11996 SH Sole 11996 UNWIRED PLANET INC NEW COM 91531F103 2035 1059865 SH Sole 1059865 US BANCORP DEL COM NEW 902973304 7130 207873 SH Sole 207873 V F CORP COM 918204108 5283 33153 SH Sole 33153 VALEANT PHARMACEUTICALS INTL COM 91911K102 2764 50000 SH Sole 50000 VANTIV INC CL A 92210H105 3498 162304 SH Sole 162304 VARIAN MED SYS INC COM 92220P105 1206 20000 SH Sole 20000 VASCULAR SOLUTIONS INC COM 92231M109 1687 114000 SH Sole 114000 VERISIGN INC COM 92343E102 1437 29520 SH Sole 29520 VERISK ANALYTICS INC CL A 92345Y106 231 4857 SH Sole 4857 VERTEX PHARMACEUTICALS INC COM 92532F100 7497 134143 SH Sole 134143 VERTEX PHARMACEUTICALS INC COM 92532F900 1397 25000 SH CALL Sole 25000 VIRGIN MEDIA INC COM 92769L101 12363 420231 SH Sole 420231 VISA INC COM CL A 92826C839 21198 157861 SH Sole 157861 WADDELL & REED FINL INC CL A 930059100 3477 106110 SH Sole 106110 WALGREEN CO COM 931422109 667 18313 SH Sole 18313 WASTE MGMT INC DEL COM 94106L109 1495 46607 SH Sole 46607 WEB COM GROUP INC COM 94733A104 12570 700280 SH Sole 700280 WEIGHT WATCHERS INTL INC NEW COM 948626106 1366 25870 SH Sole 25870 WELLPOINT INC COM 94973V107 2345 40426 SH Sole 40426 WELLS FARGO & CO NEW COM 949746101 1727 50000 SH Sole 50000 WEST COAST BANCORP ORE NEW COM NEW 952145209 2257 100200 SH Sole 100200 WESTERN DIGITAL CORP COM 958102105 229 5900 SH Sole 5900 WESTERN UN CO COM 959802109 255 13981 SH Sole 13981 WEYERHAEUSER CO COM 962166904 5228 200000 SH CALL Sole 200000 WHOLE FOODS MKT INC COM 966837106 8353 85759 SH Sole 85759 WINDSTREAM CORP COM 97381W104 240 23782 SH Sole 23782 WRIGHT MED GROUP INC COM 98235T107 11241 508395 SH Sole 508395 WYNDHAM WORLDWIDE CORP COM 98310W108 8555 163014 SH Sole 163014 WYNN RESORTS LTD COM 983134107 2592 22457 SH Sole 22457 XENOPORT INC COM 98411C100 8092 706700 SH Sole 706700 XENOPORT INC COM 98411C900 1145 100000 SH CALL Sole 100000 XEROX CORP COM 984121103 101 13767 SH Sole 13767 XILINX INC COM 983919101 482 14439 SH Sole 14439 YAHOO INC COM 984332106 121127 7582294 SH Sole 7582294 YAHOO INC COM 984332906 3195 200000 SH CALL Sole 200000 YAHOO INC COM 984332956 1997 125000 SH PUT Sole 125000 YM BIOSCIENCES INC COM 984238105 4103 2229900 SH Sole 2229900 YM BIOSCIENCES INC COM 984238905 103 55800 SH CALL Sole 55800 YUM BRANDS INC COM 988498101 6172 93030 SH Sole 93030 ZELTIQ AESTHETICS INC COM 98933Q108 843 149400 SH Sole 149400 ZIMMER HLDGS INC COM 98956P102 19553 289156 SH Sole 289156 ZYNGA INC CL A 98986T108 83 29416 SH Sole 29416 ZYNGA INC CL A 98986T908 1559 550000 SH CALL Sole 550000

DIAMONDBACK CAPITAL MANAGEMENT, LLC 13F-HR