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
ACTIVISION BLIZZARD INC COM 00507V109 106,258 3,140,000 SH   DFND 1 3,140,000 0 0
AGNICO EAGLE MINES LTD COM 008474108 45,650 1,260,600 SH   DFND 1 1,260,600 0 0
AIRGAS INC COM 009363102 2,110 14,900 SH   DFND 1 14,900 0 0
ALLERGAN PLC SHS G0177J108 1,452,267 5,418,300 SH   DFND 1 5,418,300 0 0
ALLERGAN PLC SHS G0177J108 57,546 214,700 SH Call DFND 1 214,700 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 21,885 157,200 SH   DFND 1 157,200 0 0
ALNYLAM PHARMACEUTICALS INC COM 02043Q107 772 12,300 SH   DFND 1 12,300 0 0
AMERICAN CAP LTD COM 02503Y103 60,577 3,974,900 SH   DFND 1 3,974,900 0 0
AMERICAN INTL GROUP INC COM NEW 026874784 607,133 11,232,800 SH   DFND 1 11,232,800 0 0
ANGLOGOLD ASHANTI LTD SPONSORED ADR 035128206 208,395 15,222,400 SH   DFND 1 15,222,400 0 0
AKORN INC COM 009728106 219,267 9,318,600 SH   DFND 1 9,318,600 0 0
ARADIGM CORP COM NO PAR NEW 038505400 87 19,662 SH   DFND 1 19,662 0 0
B/E AEROSPACE INC COM 073302101 138,360 3,000,000 SH   DFND 1 3,000,000 0 0
BAXALTA INC COM 07177M103 5,539 137,100 SH   DFND 1 137,100 0 0
BANK OF AMERICA CORPORATION * W Exp 01/16/2019 060505146 50,401 12,956,579 SH   DFND 1 12,956,579 0 0
BANK OF AMERICA CORPORATION * W Exp 10/28/2018 060505153 1,792 8,960,537 SH   DFND 1 8,960,537 0 0
BIOCRYST PHARMACEUTICALS COM 09058V103 745 263,100 SH   DFND 1 263,100 0 0
BIOGEN INC COM 09062X103 30,822 118,400 SH   DFND 1 118,400 0 0
BOSTON SCIENTIFIC CORP COM 101137107 1,392 74,000 SH   DFND 1 74,000 0 0
CABLEVISION SYS CORP CL A NY CABLVS 12686C109 105,650 3,201,500 SH   DFND 1 3,201,500 0 0
CAESARS ACQUISITION CO CL A 12768T103 80,424 13,141,098 SH   DFND 1 13,141,098 0 0
CAESARS ENTMT CORP COM 127686103 98,199 14,441,000 SH   DFND 1 14,441,000 0 0
CELLDEX THERAPEUTICS INC NEW COM 15117B103 268 70,800 SH   DFND 1 70,800 0 0
CIT GROUP INC COM NEW 125581801 108,832 3,507,300 SH   DFND 1 3,507,300 0 0
COBALT INTL ENERGY INC COM 19075F106 117,449 39,545,200 SH   DFND 1 39,545,200 0 0
COBALT INTL ENERGY INC NOTE 2.625%12/001/2019 19075FAA4 49,007 98,260,000 SH   DFND 1 98,260,000 0 0
COBALT INTL ENERGY INC NOTE 3.125% 5/15/2024 ADDED 19075FAB2 88,240 219,229,000 SH   DFND 1 219,229,000 0 0
COMMUNITY HEALTH SYS INC NEW COM 203668108 53 350,000 SH Put DFND 1 350,000 0 0
DEXCOM INC COM 252131107 2,805 41,300 SH   DFND 1 41,300 0 0
DEX MEDIA INC NEW COM 25213A107 121 1,347,437 SH   DFND 1 1,347,437 0 0
DIPLOMAT PHARMACY INC COM 25456K101 5,241 191,274 SH   DFND 1 191,274 0 0
DYNAVAX TECHNOLOGIES CORP COM 268158201 3,842 199,700 SH   DFND 1 199,700 0 0
DEMANDWARE INC COM 24802Y105 10,812 276,527 SH   DFND 1 276,527 0 0
ENDO INTL PLC SHS G30401106 267,918 9,517,500 SH   DFND 1 9,517,500 0 0
ENDO INTL PLC SHS G30401106 3,375 119,900 SH Call DFND 1 119,900 0 0
ENZYMOTEC LTD SHS M4059L101 38,144 4,224,139 SH   DFND 1 4,224,139 0 0
ESPERION THERAPEUTICS INC NE COM 29664W105 1,725 102,000 SH   DFND 1 102,000 0 0
ETSY INC COM 29786A106 12,788 1,469,910 SH   DFND 1 1,469,910 0 0
EXPEDIA INC DEL COM NEW 30212P303 9,467 87,800 SH   DFND 1 87,800 0 0
EXTENDED STAY AMER INC UNIT 99/99/9999B 30224P200 695,384 42,661,591 SH   DFND 1 42,661,591 0 0
FACEBOOK INC CL A 30303M102 5,020 44,000 SH   DFND 1 44,000 0 0
FELCOR LODGING TR INC COM 31430F101 15,834 1,950,000 SH   DFND 1 1,950,000 0 0
GRIFOLS S A SP ADR REP B NVT 398438408 271,247 17,533,764 SH   DFND 1 17,533,764 0 0
IAMGOLD CORP COM 450913108 8,539 3,863,912 SH   DFND 1 3,863,912 0 0
INGRAM MICRO INC CL A 457153104 1,045 29,100 SH   DFND 1 29,100 0 0
INSMED INC COM PAR $.01 457669307 2,600 205,200 SH   DFND 1 205,200 0 0
INTERNATIONAL TOWER HILL MIN COM 46050R102 7,108 23,058,000 SH   DFND 1 23,058,000 0 0
ITC HLDGS CORP COM 465685105 1,638 37,600 SH   DFND 1 37,600 0 0
JARDEN CORP COM 471109108 2,753 46,700 SH   DFND 1 46,700 0 0
KAMADA LTD SHS M6240T109 2,817 736,117 SH   DFND 1 736,117 0 0
LAM RESEARCH CORP COM 512807108 367,570 4,450,000 SH   DFND 1 4,450,000 0 0
LIBERTY GLOBAL SHS CL A G5480U104 10,780 280,000 SH   DFND 1 280,000 0 0
LIVANOVA PLC SHS ADDED G5509L101 135,787 2,515,500 SH   DFND 1 2,515,500 0 0
LOXO ONCOLOGY INC COM 548862101 6,161 225,341 SH   DFND 1 225,341 0 0
MALLINCKRODT PUB LTD CO SHS ADDED G5785G107 548,418 8,949,380 SH   DFND 1 8,949,380 0 0
MCKESSON CORP COM 58155Q103 9,828 62,500 SH   DFND 1 62,500 0 0
MGIC INVT CORP WIS COM 552848103 20,899 2,724,800 SH   DFND 1 2,724,800 0 0
MGIC INVT CORP WIS NOTE 2.000% 4/01/2020 552848AE3 188,277 149,500,000 SH   DFND 1 149,500,000 0 0
MYLAN N V SHS EURO N59465109 1,081,617 23,335,861 SH   DFND 1 23,335,861 0 0
MYLAN N V SHS EURO N59465109 28,329 611,200 SH Call DFND 1 611,200 0 0
NOVACOPPER INC COM 66988K102 4,493 11,823,019 SH   DFND 1 11,823,019 0 0
NOVAGOLD RES INC COM NEW 66987E206 179,001 35,516,057 SH   DFND 1 35,516,057 0 0
OASIS PETE INC NEW COM 674215108 38,911 5,344,924 SH   DFND 1 5,344,924 0 0
OFFICE DEPOT INC COM 676220106 55,448 7,809,600 SH   DFND 1 7,809,600 0 0
OI S.A. SPONSORED ADR NEW 670851500 7,564 5,327,034 SH   DFND 1 5,327,034 0 0
OVERSEAS SHIPHOLDING GROUP I COM CL A 69036R301 509 270,839 SH   DFND 1 270,839 0 0
PERRIGO CO PLC SHS G97822103 337,646 2,639,300 SH   DFND 1 2,639,300 0 0
PFIZER INC COM 717081103 40,847 1,378,100 SH   DFND 1 1,378,100 0 0
PFIZER INC COM 717081103 23,712 800,000 SH Call DFND 1 800,000 0 0
POST HLDGS INC COM 737446104 253,239 3,682,400 SH   DFND 1 3,682,400 0 0
PUMA BIOTECHNOLOGY INC COM 74587V107 2,065 70,300 SH   DFND 1 70,300 0 0
RADIAN GROUP INC COM 750236101 45,497 3,669,124 SH   DFND 1 3,669,124 0 0
RANDGOLD RES LTD ADR 752344309 45,405 500,000 SH   DFND 1 500,000 0 0
REALOGY HLDGS CORP COM 75605Y106 189,939 5,260,000 SH   DFND 1 5,260,000 0 0
RIGEL PHARMACEUTICALS INC COM NEW 766559603 2,079 999,700 SH   DFND 1 999,700 0 0
RITE AID CORP COM 767754104 2,148 263,500 SH   DFND 1 263,500 0 0
SANDISK CORP COM 80004C101 1,582 20,800 SH   DFND 1 20,800 0 0
SHIRE PLC SPONSORED ADR 82481R106 1,215,513 7,071,050 SH   DFND 1 7,071,050 0 0
SHIRE PLC SPONSORED ADR 82481R106 9,970 58,000 SH Call DFND 1 28,000 0 0
SPDR GOLD TRUST GOLD SHS 78463V107 561,732 4,775,012 SH   DFND 1 4,775,012 0 0
STARWOOD HOTELS&RESORTS WRLD COM 85590A401 461,535 5,532,000 SH   DFND 1 5,532,000 0 0
SUNCOR ENERGY INC NEW COM 867224107 3 100 SH   DFND 1 100 0 0
SYNERGY PHARMACEUTICALS DEL COM NEW 871639308 30,608 11,090,000 SH   DFND 1 11,090,000 0 0
SYNTHESIS ENERGY SYS INC COM 871628103 11,200 10,000,000 SH   DFND 1 10,000,000 0 0
TANDEM DIABETES CARE INC COM 875372104 4,703 540,000 SH Put DFND 1 540,000 0 0
TEVA PHARMACEUTICAL INDS LTD ADR 881624209 1,102,424 20,602,200 SH   DFND 1 20,602,200 0 0
TIM PARTICIPACOES S A SPONSORED ADR 88706P205 66,028 5,970,000 SH   DFND 1 5,970,000 0 0
TIME WARNER CABLE INC COM 88732J207 370,117 1,808,800 SH   DFND 1 1,808,800 0 0
T-MOBILE US INC COM 872590104 560,103 14,624,100 SH   DFND 1 14,624,100 0 0
UNIVERSAL HLTH SVCS INC CL B 913903100 6,735 54,000 SH   DFND 1 54,000 0 0
VALEANT PHARMACEUTICALS INTL COM 91911K102 349,390 13,284,800 SH   DFND 1 13,284,800 0 0
VALEANT PHARMACEUTICALS INTL COM 91911K102 1,923 73,100 SH Call DFND 1 73,100 0 0
VALEANT PHARMACEUTICALS INTL COM 91911K102 4,466 169,800 SH Put DFND 1 169,800 0 0
VANDA PHARMACEUTICALS INC COM 921659108 32,830 3,927,000 SH   DFND 1 3,927,000 0 0
VERTEX PHARMACEUTICALS INC COM 92532F100 4,889 61,500 SH   DFND 1 61,500 0 0
WHITING PETE CORP NEW COM 966387102 25,274 3,167,200 SH   DFND 1 3,167,200 0 0
LYON WILLIAM HOMES CL A NEW 552074700 48,145 3,322,666 SH   DFND 1 3,322,666 0 0