The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
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 MANAGER SOLE SHARED NONE
ABBOTT LABS COM 002824100 27,110 602,181 SH   SOLE 1 602,181 0 0
ALASKA AIR GROUP INC COM 011659109 34,448 576,447 SH   SOLE 1 576,447 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 457,336 4,400,000 SH   SOLE 1 4,400,000 0 0
ALLERGAN INC COM 018490102 105,187 494,786 SH   SOLE 1 494,786 0 0
ALLIANCE FIBER OPTIC PRODS I COM NEW 018680306 1,767 121,791 SH   SOLE 1 121,791 0 0
ALLY FINL INC COM 02005N100 49,238 2,084,595 SH   SOLE 1 2,084,595 0 0
AMERICAN AIRLS GROUP INC COM 02376R102 175,481 3,272,062 SH   SOLE 1 3,272,062 0 0
AMERICAN CAPITAL AGENCY CORP COM 02503X105 9,365 429,000 SH   SOLE 1 429,000 0 0
AMERICAN RLTY CAP PPTYS INC COM 02917T104 35,222 3,891,900 SH   SOLE 1 3,891,900 0 0
ANHEUSER BUSCH INBEV SA/NV SPONSORED ADR 03524A108 6,559 58,400 SH   SOLE 1 58,400 0 0
ASHLAND INC NEW COM 044209104 1,521 12,700 SH   SOLE 1 12,700 0 0
ATMEL CORP COM 049513104 28,599 3,406,666 SH   SOLE 1 3,406,666 0 0
AUTOHOME INC SP ADR RP CL A 05278C107 34,724 955,000 SH   SOLE 1 955,000 0 0
AXALTA COATING SYS LTD COM G0750C106 14,486 556,709 SH   SOLE 1 556,709 0 0
BAIDU INC SPON ADR REP A 056752108 79,799 350,040 SH   SOLE 1 350,040 0 0
BAKER HUGHES INC COM 057224107 21,428 382,171 SH   SOLE 1 382,171 0 0
BAKER HUGHES INC COM 057224107 16,821 300,000 SH Call SOLE 1 300,000 0 0
BARRETT BILL CORP COM 06846N104 4,754 417,400 SH   SOLE 1 417,400 0 0
B/E AEROSPACE INC COM 073302101 3,162 54,500 SH   SOLE 1 54,500 0 0
BELLICUM PHARMACEUTICALS INC COM 079481107 622 27,000 SH   SOLE 1 27,000 0 0
BIOAMBER INC *W EXP 05/09/201 09072Q114 307 194,000 SH   SOLE 1 194,000 0 0
BROADSOFT INC COM 11133B409 12,634 435,370 SH   SOLE 1 435,370 0 0
BROADSOFT INC NOTE 1.500% 7/0 11133BAB8 32,272 30,662,000 PRN   SOLE 1 30,662,000 0 0
CBS CORP NEW CL B 124857202 39,402 711,992 SH   SOLE 1 711,992 0 0
CF INDS HLDGS INC COM 125269100 43,478 159,528 SH   SOLE 1 159,528 0 0
CME GROUP INC COM 12572Q105 2,660 30,000 SH   SOLE 1 30,000 0 0
CAESARS ACQUISITION CO CL A 12768T103 63,659 6,174,465 SH   SOLE 1 6,174,465 0 0
CAESARS ENTMT CORP COM 127686103 76,695 4,888,127 SH   SOLE 1 4,888,127 0 0
CAMECO CORP COM 13321L108 41,990 2,558,794 SH   SOLE 1 2,558,794 0 0
CARTER INC COM 146229109 5,099 58,396 SH   SOLE 1 58,396 0 0
CHEVRON CORP NEW COM 166764100 24,680 220,000 SH Put SOLE 1 220,000 0 0
CHURCHILL DOWNS INC COM 171484108 50,487 529,770 SH   SOLE 1 529,770 0 0
CIENA CORP NOTE 0.875% 6/1 171779AE1 156,917 157,607,000 PRN   SOLE 1 157,607,000 0 0
CITIGROUP INC COM NEW 172967424 6,329 116,959 SH   SOLE 1 116,959 0 0
COCA COLA CO COM 191216100 5,170 122,446 SH   SOLE 1 122,446 0 0
COLFAX CORP COM 194014106 4,131 80,100 SH   SOLE 1 80,100 0 0
CONTINENTAL RESOURCES INC COM 212015101 13,406 349,468 SH   SOLE 1 349,468 0 0
CONTROLADORA VUELA CIA DE AV SPON ADR RP 10 21240E105 2,517 279,011 SH   SOLE 1 279,011 0 0
CORNERSTONE ONDEMAND INC NOTE 1.500% 7/0 21925YAB9 22,943 23,381,000 PRN   SOLE 1 23,381,000 0 0
CRITEO S A SPONS ADS 226718104 788 19,500 SH   SOLE 1 19,500 0 0
CTRIP COM INTL LTD AMERICAN DEP SHS 22943F100 40,240 884,400 SH   SOLE 1 884,400 0 0
CUBIST PHARMACEUTICALS INC COM 229678107 12,078 120,000 SH   SOLE 1 120,000 0 0
CYPRESS SEMICONDUCTOR CORP COM 232806109 40,936 2,866,666 SH   SOLE 1 2,866,666 0 0
DELTA AIR LINES INC DEL COM NEW 247361702 8,055 163,755 SH   SOLE 1 163,755 0 0
DEVON ENERGY CORP NEW COM 25179M103 23,596 385,497 SH   SOLE 1 385,497 0 0
DIGITAL RIV INC COM 25388B104 13,395 541,666 SH   SOLE 1 541,666 0 0
DIGITAL RIV INC NOTE 2.000%11/0 25388BAD6 125,570 125,570,000 PRN   SOLE 1 125,570,000 0 0
DISCOVERY COMMUNICATNS NEW COM SER A 25470F104 26,595 772,000 SH   SOLE 1 772,000 0 0
DISH NETWORK CORP CL A 25470M109 89,424 1,226,840 SH   SOLE 1 1,226,840 0 0
DIRECTV COM 25490A309 26,484 305,470 SH   SOLE 1 305,470 0 0
DOLLAR TREE INC COM 256746108 13,952 198,243 SH   SOLE 1 198,243 0 0
DOW CHEM CO COM 260543103 236,430 5,183,739 SH   SOLE 1 5,183,739 0 0
DRESSER-RAND GROUP INC COM 261608103 8,107 99,108 SH   SOLE 1 99,108 0 0
DYNEGY INC NEW DEL *W EXP 10/02/201 26817R116 4,716 1,170,300 SH   SOLE 1 1,170,300 0 0
EQT CORP COM 26884L109 217,849 2,877,788 SH   SOLE 1 2,877,788 0 0
EASTMAN KODAK CO *W EXP 09/03/201 277461133 57 7,555 SH   SOLE 1 7,555 0 0
EASTMAN KODAK CO *W EXP 09/03/201 277461141 47 7,555 SH   SOLE 1 7,555 0 0
EASTMAN KODAK CO COM NEW 277461406 472 21,747 SH   SOLE 1 21,747 0 0
EBAY INC COM 278642103 53,847 959,500 SH   SOLE 1 959,500 0 0
EMULEX CORP NOTE 1.750%11/1 292475AF7 51,535 55,902,000 PRN   SOLE 1 55,902,000 0 0
ENERGEN CORP COM 29265N108 126,390 1,982,285 SH   SOLE 1 1,982,285 0 0
EXAR CORP COM 300645108 44,540 4,366,666 SH   SOLE 1 4,366,666 0 0
EXTREME NETWORKS INC COM 30226D106 14,002 3,966,666 SH   SOLE 1 3,966,666 0 0
FACEBOOK INC CL A 30303M102 17,285 221,541 SH   SOLE 1 221,541 0 0
FAMILY DLR STORES INC COM 307000109 15,065 190,191 SH   SOLE 1 190,191 0 0
FINISAR CORP COM NEW 31787A507 10,999 566,666 SH   SOLE 1 566,666 0 0
FIREEYE INC COM 31816Q101 7,263 230,000 SH Call SOLE 1 230,000 0 0
GENERAL MTRS CO COM 37045V100 134,777 3,860,708 SH   SOLE 1 3,860,708 0 0
GENERAL MTRS CO COM 37045V100 36,184 1,036,500 SH Call SOLE 1 1,036,500 0 0
GLOBALSTAR INC COM 378973408 1,375 500,000 SH   SOLE 1 500,000 0 0
GRUPO FINANCIERO GALICIA S A SP ADR 10 SH B 399909100 4,542 285,841 SH   SOLE 1 285,841 0 0
HOLOGIC INC FRNT 12/1 436440AB7 139,613 126,367,000 SH   SOLE 1 126,367,000 0 0
HOME DEPOT INC COM 437076102 14,011 133,480 SH   SOLE 1 133,480 0 0
HUBBELL INC CL B 443510201 866 8,105 SH   SOLE 1 8,105 0 0
IXIA NOTE 3.000%12/1 45071RAB5 56,490 56,314,000 PRN   SOLE 1 56,314,000 0 0
IDREAMSKY TECHNOLOGY LIMITED SPONSORED ADS 45173K101 3,501 205,000 SH   SOLE 1 205,000 0 0
INVENSENSE INC COM 46123D205 842 51,811 SH   SOLE 1 51,811 0 0
INVENSENSE INC NOTE 1.750%11/0 46123DAB2 22,458 22,500,000 PRN   SOLE 1 22,500,000 0 0
ISHARES TR CHINA LG-CAP ETF 464287184 210,181 5,050,000 SH Call SOLE 1 5,050,000 0 0
JDS UNIPHASE CORP COM PAR $0.001 46612J507 36,587 2,666,666 SH   SOLE 1 2,666,666 0 0
JDS UNIPHASE CORP DBCV 0.625% 8/1 46612JAF8 140,345 132,245,000 PRN   SOLE 1 132,245,000 0 0
JUNO THERAPEUTICS INC COM 48205A109 1,332 25,500 SH   SOLE 1 25,500 0 0
KEY ENERGY SVCS INC COM 492914106 835 500,000 SH   SOLE 1 500,000 0 0
KITE PHARMA INC COM 49803L109 39,224 680,148 SH   SOLE 1 680,148 0 0
KRAFT FOODS GROUP INC COM 50076Q106 37,354 596,133 SH   SOLE 1 596,133 0 0
L-3 COMMUNICATIONS HLDGS INC COM 502424104 6,925 54,872 SH   SOLE 1 54,872 0 0
LATTICE SEMICONDUCTOR CORP COM 518415104 12,360 1,793,913 SH   SOLE 1 1,793,913 0 0
LENDINGCLUB CORP COM 52603A109 113,850 4,500,000 SH   SOLE 1 4,500,000 0 0
LEVEL 3 COMMUNICATIONS INC COM NEW 52729N308 186,350 3,773,794 SH   SOLE 1 3,773,794 0 0
LEVEL 3 COMMUNICATIONS INC COM NEW 52729N308 6,074 123,000 SH Call SOLE 1 123,000 0 0
LIBERTY MEDIA CORP DELAWARE NOTE 1.375%10/1 531229AB8 13,085 13,200,000 PRN   SOLE 1 13,200,000 0 0
LORAL SPACE & COMMUNICATNS I COM 543881106 83,074 1,055,440 SH   SOLE 1 1,055,440 0 0
LORILLARD INC COM 544147101 11,959 190,000 SH   SOLE 1 190,000 0 0
LUMOS NETWORKS CORP COM 550283105 4,422 262,926 SH   SOLE 1 262,926 0 0
MBIA INC COM 55262C100 16,101 1,687,715 SH   SOLE 1 1,687,715 0 0
MGIC INVT CORP WIS COM 552848103 14,544 1,560,482 SH   SOLE 1 1,560,482 0 0
MACK CALI RLTY CORP COM 554489104 58,976 3,094,251 SH   SOLE 1 3,094,251 0 0
MACROGENICS INC COM 556099109 683 19,488 SH   SOLE 1 19,488 0 0
MARKET VECTORS ETF TR GOLD MINER ETF 57060U100 13,987 761,000 SH   SOLE 1 761,000 0 0
MAZOR ROBOTICS LTD SPONSORED ADS 57886P103 6,386 514,565 SH   SOLE 1 514,565 0 0
MEAD JOHNSON NUTRITION CO COM 582839106 5,027 50,000 SH   SOLE 1 50,000 0 0
MELCO CROWN ENTMT LTD ADR 585464100 36,703 1,445,000 SH   SOLE 1 1,445,000 0 0
MICREL INC COM 594793101 27,956 1,926,666 SH   SOLE 1 1,926,666 0 0
MONDELEZ INTL INC CL A 609207105 49,102 1,351,731 SH   SOLE 1 1,351,731 0 0
MONSANTO CO NEW COM 61166W101 75,511 632,052 SH   SOLE 1 632,052 0 0
MOTOROLA SOLUTIONS INC COM NEW 620076307 92,773 1,383,022 SH   SOLE 1 1,383,022 0 0
NRG ENERGY INC COM NEW 629377508 48,328 1,793,250 SH   SOLE 1 1,793,250 0 0
NEW ORIENTAL ED & TECH GRP I SPON ADR 647581107 52,862 2,590,000 SH   SOLE 1 2,590,000 0 0
NICE SYS LTD SPONSORED ADR 653656108 80,365 1,586,666 SH   SOLE 1 1,586,666 0 0
NUANCE COMMUNICATIONS INC NOTE 2.750%11/0 67020YAF7 84,511 84,353,000 PRN   SOLE 1 84,353,000 0 0
O REILLY AUTOMOTIVE INC NEW COM 67103H107 6,207 32,224 SH   SOLE 1 32,224 0 0
OFFICE DEPOT INC COM 676220106 7,579 883,838 SH   SOLE 1 883,838 0 0
OPKO HEALTH INC COM 68375N103 2,354 235,600 SH   SOLE 1 235,600 0 0
PDC ENERGY INC COM 69327R101 41,041 994,453 SH   SOLE 1 994,453 0 0
PMC-SIERRA INC COM 69344F106 16,732 1,826,666 SH   SOLE 1 1,826,666 0 0
PACIRA PHARMACEUTICALS INC COM 695127100 7,713 87,000 SH   SOLE 1 87,000 0 0
PACKAGING CORP AMER COM 695156109 10,394 133,173 SH   SOLE 1 133,173 0 0
PENN VA CORP COM 707882106 40,103 6,003,509 SH   SOLE 1 6,003,509 0 0
PENNYMAC FINL SVCS INC CL A 70932B101 3,242 187,382 SH   SOLE 1 187,382 0 0
PERICOM SEMICONDUCTOR CORP COM 713831105 1,715 126,666 SH   SOLE 1 126,666 0 0
PETROLEO BRASILEIRO SA PETRO SPONSORED ADR 71654V408 14,696 2,013,100 SH Call SOLE 1 2,013,100 0 0
PHILLIPS 66 COM 718546104 84,201 1,174,349 SH   SOLE 1 1,174,349 0 0
PIONEER NAT RES CO COM 723787107 80,683 542,045 SH   SOLE 1 542,045 0 0
PLASMATECH BIOPHARMACEUTICAL *W EXP 10/24/201 72754H117 200 250,000 SH   SOLE 1 250,000 0 0
PLASMATECH BIOPHARMACEUTICAL COM 72754H109 875 250,000 SH   SOLE 1 250,000 0 0
POLYCOM INC COM 73172K104 143,138 10,602,786 SH   SOLE 1 10,602,786 0 0
QUANTUM CORP NOTE 3.500%11/1 747906AG0 132,290 130,980,000 PRN   SOLE 1 130,980,000 0 0
RADIAN GROUP INC COM 750236101 19,765 1,182,143 SH   SOLE 1 1,182,143 0 0
REALOGY HLDGS CORP COM 75605Y106 48,494 1,090,000 SH   SOLE 1 1,090,000 0 0
ROCKWOOD HLDGS INC COM 774415103 5,327 67,600 SH   SOLE 1 67,600 0 0
ROVI CORP NOTE 2.625% 2/1 779376AB8 218,966 217,877,000 PRN   SOLE 1 217,877,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 6,573 31,987 SH   SOLE 1 31,987 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 166,455 810,000 SH Put SOLE 1 810,000 0 0
SALIX PHARMACEUTICALS INC COM 795435106 56,497 491,531 SH   SOLE 1 491,531 0 0
SANCHEZ ENERGY CORP COM 79970Y105 13,510 1,454,300 SH   SOLE 1 1,454,300 0 0
SELECT SECTOR SPDR TR SBI CONS DISCR 81369Y407 12,321 170,772 SH   SOLE 1 170,772 0 0
SELECT SECTOR SPDR TR SBI INT-FINL 81369Y605 23,184 937,500 SH Call SOLE 1 937,500 0 0
SELECT SECTOR SPDR TR SBI INT-UTILS 81369Y886 89,718 1,900,000 SH Put SOLE 1 1,900,000 0 0
SILICON IMAGE INC COM 82705T102 10,128 1,834,766 SH   SOLE 1 1,834,766 0 0
SOUTHWESTERN ENERGY CO COM 845467109 22,105 810,000 SH Put SOLE 1 810,000 0 0
SPANSION INC COM CL A NEW 84649R200 121,581 3,552,926 SH   SOLE 1 3,552,926 0 0
SUNEDISON INC COM 86732Y109 26,534 1,360,000 SH   SOLE 1 1,360,000 0 0
T MOBILE US INC COM 872590104 45,109 1,674,423 SH   SOLE 1 1,674,423 0 0
TASMAN METALS COM 87652B103 717 1,666,666 SH   SOLE 1 1,666,666 0 0
TEVA PHARMACEUTICAL INDS LTD ADR 881624209 279,497 4,859,966 SH   SOLE 1 4,859,966 0 0
TIME WARNER CABLE INC COM 88732J207 9,884 65,000 SH   SOLE 1 65,000 0 0
TOWERSTREAM CORP COM 892000100 799 431,800 SH   SOLE 1 431,800 0 0
TRANSCANADA CORP COM 89353D107 27,592 561,945 SH   SOLE 1 561,945 0 0
UNITED CONTL HLDGS INC COM 910047109 89,606 1,339,604 SH   SOLE 1 1,339,604 0 0
UNITED RENTALS INC COM 911363109 15,182 148,832 SH   SOLE 1 148,832 0 0
VALEANT PHARMACEUTICALS INTL COM 91911K102 86,809 606,587 SH   SOLE 1 606,587 0 0
VERISK ANALYTICS INC CL A 92345Y106 14,839 231,684 SH   SOLE 1 231,684 0 0
VIACOM INC NEW CL B 92553P201 12,793 170,000 SH Call SOLE 1 170,000 0 0
VIOLIN MEMORY INC COM 92763A101 1,996 416,666 SH   SOLE 1 416,666 0 0
VIPSHOP HLDGS LTD SPONSORED ADR 92763W103 74,287 3,801,790 SH   SOLE 1 3,801,790 0 0
WALGREENS BOOTS ALLIANCE INC COM 931427108 54,693 717,750 SH   SOLE 1 717,750 0 0
WEBMD HEALTH CORP NOTE 2.250% 3/3 94770VAH5 129,464 128,500,000 PRN   SOLE 1 128,500,000 0 0
WEBMD HEALTH CORP NOTE 2.500% 1/3 94770VAF9 65,045 64,883,000 PRN   SOLE 1 64,883,000 0 0
WESTERN REFNG INC COM 959319104 23,701 627,341 SH   SOLE 1 627,341 0 0
XPO LOGISTICS INC COM 983793100 14,737 360,482 SH   SOLE 1 360,482 0 0
YAHOO INC COM 984332106 94,302 1,866,994 SH   SOLE 1 1,866,994 0 0
YPF SOCIEDAD ANONIMA SPON ADR CL D 984245100 308,380 11,650,176 SH   SOLE 1 11,650,176 0 0
YUM BRANDS INC COM 988498101 47,717 655,000 SH   SOLE 1 655,000 0 0
ZAYO GROUP HLDGS INC COM 98919V105 25,985 850,000 SH   SOLE 1 850,000 0 0
ZOETIS INC CL A 98978V103 176,713 4,106,735 SH   SOLE 1 4,106,735 0 0
ACTAVIS PLC SHS G0083B108 82,684 321,214 SH   SOLE 1 321,214 0 0
ALLEGION PUB LTD CO ORD SHS G0176J109 76,829 1,385,307 SH   SOLE 1 1,385,307 0 0
ASSURED GUARANTY LTD COM G0585R106 22,090 849,924 SH   SOLE 1 849,924 0 0
ENERGY XXI LTD USD UNRS SHS G10082140 1,630 500,000 SH   SOLE 1 500,000 0 0
CHIPMOS TECH BERMUDA LTD SHS G2110R114 32,017 1,372,921 SH   SOLE 1 1,372,921 0 0
CREDICORP LTD COM G2519Y108 6,837 42,681 SH   SOLE 1 42,681 0 0
COVIDIEN PLC SHS G2554F113 20,228 197,768 SH   SOLE 1 197,768 0 0
ENDO INTL PLC SHS G30401106 126,118 1,748,729 SH   SOLE 1 1,748,729 0 0
ESSENT GROUP LTD COM G3198U102 153,778 5,981,279 SH   SOLE 1 5,981,279 0 0
HERBALIFE LTD COM USD SHS G4412G101 130,000 3,448,288 SH   SOLE 1 3,448,288 0 0
LIBERTY GLOBAL PLC SHS CL A G5480U104 11,747 233,974 SH   SOLE 1 233,974 0 0
LIBERTY GLOBAL PLC SHS CL C G5480U120 14,134 292,562 SH   SOLE 1 292,562 0 0
ALPHA & OMEGA SEMICONDUCTOR SHS G6331P104 1,144 129,245 SH   SOLE 1 129,245 0 0
TRAVELPORT WORLDWIDE LTD SHS G9019D104 47,700 2,650,000 SH   SOLE 1 2,650,000 0 0
TRANSOCEAN LTD REG SHS H8817H100 2,731 149,000 SH   SOLE 1 149,000 0 0
ADECOAGRO S A COM L00849106 207,580 25,915,076 SH   SOLE 1 25,915,076 0 0
ALLOT COMMUNICATIONS LTD SHS M0854Q105 2,258 245,915 SH   SOLE 1 245,915 0 0
CLICKSOFTWARE TECHNOLOGIES L ORD M25082104 22,473 3,130,000 SH   SOLE 1 3,130,000 0 0
ASML HOLDING N V N Y REGISTRY SHS N07059210 10,091 93,580 SH   SOLE 1 93,580 0 0
CONSTELLIUM NV CL A N22035104 3,410 207,558 SH   SOLE 1 207,558 0 0
LYONDELLBASELL INDUSTRIES N SHS - A - N53745100 224,935 2,833,286 SH   SOLE 1 2,833,286 0 0