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
21VIANET GROUP INC SPONSORED ADR 90138A103 3,162 173,003 SH   DFND 1 2 3 4 5 0 173,003 0
ACHAOGEN INC COM 004449104 581 100,850 SH   DFND 1 2 3 4 5 0 100,850 0
ACHILLION PHARMACEUTICALS IN COM 00448Q201 761 110,200 SH   DFND 1 2 3 4 5 0 110,200 0
ACORDA THERAPEUTICS INC COM 00484M106 809 30,500 SH   DFND 1 2 3 4 5 0 30,500 0
ADVANCED SEMICONDUCTOR ENGR SPONSORED ADR 00756M404 548 100,000 SH   DFND 1 2 3 4 5 0 100,000 0
AEGERION PHARMACEUTICALS INC COM 00767E102 1,360 100,000 SH   DFND 1 2 3 4 5 0 100,000 0
AGILENT TECHNOLOGIES INC COM 00846U101 772 22,500 SH   DFND 1 2 3 4 5 0 22,500 0
AIRGAS INC COM 009363102 13,400 150,000 SH Call DFND 1 2 3 4 5 0 150,000 0
ALBEMARLE CORP COM 012653101 331 7,500 SH   DFND 1 2 3 4 5 0 7,500 0
ALTERA CORP COM 021441100 2,504 50,000 SH   DFND 1 2 3 4 5 0 50,000 0
ALTISOURCE PORTFOLIO SOLNS S REG SHS L0175J104 12,536 525,833 SH   DFND 1 2 3 4 5 0 525,833 0
ANADARKO PETE CORP UNIT 99/99/9999 032511404 28,360 767,500 SH   DFND 1 2 3 4 5 0 767,500 0
ARIAD PHARMACEUTICALS INC COM 04033A100 319 54,600 SH   DFND 1 2 3 4 5 0 54,600 0
AT&T INC COM 00206R102 489 15,000 SH   DFND 1 2 3 4 5 0 15,000 0
AVALANCHE BIOTECHNOLOGIES IN COM 05337G107 1,140 138,406 SH   DFND 1 2 3 4 5 0 138,406 0
AVIANCA HLDGS SA SPON ADR REP PFD 05367G100 381 80,348 SH   DFND 1 2 3 4 5 0 80,348 0
BEAZER HOMES USA INC COM NEW 07556Q881 1,733 130,000 SH   DFND 1 2 3 4 5 0 130,000 0
BELLICUM PHARMACEUTICALS INC COM 079481107 1,086 74,736 SH   DFND 1 2 3 4 5 0 74,736 0
BHP BILLITON LTD SPONSORED ADR 088606108 12,185 388,700 SH   DFND 1 2 3 4 5 0 388,700 0
BIOGEN INC COM 09062X103 1,751 6,000 SH   DFND 1 2 3 4 5 0 6,000 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 3,107 29,500 SH   DFND 1 2 3 4 5 0 29,500 0
BROADCOM CORP CL A 111320107 4,680 91,000 SH   DFND 1 2 3 4 5 0 91,000 0
CABLEVISION SYS CORP CL A NY CABLVS 12686C109 2,516 77,500 SH   DFND 1 2 3 4 5 0 77,500 0
CANADIAN SOLAR INC COM 136635109 1,662 100,000 SH   DFND 1 2 3 4 5 0 100,000 0
CANADIAN SOLAR INC NOTE 4.250% 2/1 136635AE9 2,546 3,000,000 PRN   DFND 1 2 3 4 5 0 0 0
CARDTRONICS INC NOTE 1.000%12/0 14161HAG3 10,243 10,900,000 PRN   DFND 1 2 3 4 5 0 0 0
CARNIVAL CORP PAIRED CTF 143658300 38,161 768,396 SH   DFND 1 2 3 4 5 0 768,396 0
CAVIUM INC COM 14964U108 263 4,289 SH   DFND 1 2 3 4 5 0 4,289 0
CENTENE CORP DEL COM 15135B101 380 7,000 SH   DFND 1 2 3 4 5 0 7,000 0
CHUBB CORP COM 171232101 5,519 45,000 SH   DFND 1 2 3 4 5 0 45,000 0
CIENA CORP COM NEW 171779309 8,058 388,891 SH   DFND 1 2 3 4 5 0 388,891 0
CIENA CORP COM NEW 171779309 8,288 400,000 SH Put DFND 1 2 3 4 5 0 400,000 0
CIGNA CORPORATION COM 125509109 473 3,500 SH   DFND 1 2 3 4 5 0 3,500 0
COMCAST CORP NEW CL A 20030N101 33,130 582,454 SH   DFND 1 2 3 4 5 0 582,454 0
COMCAST CORP NEW CL A 20030N101 11,376 200,000 SH Call DFND 1 2 3 4 5 0 200,000 0
COMMUNITY HEALTH SYS INC NEW RIGHT 99/99/9999 203668116 24 2,500,000 SH   DFND 1 2 3 4 5 0 2,500,000 0
CYNAPSUS THERAPEUTICS INC COM PAR NO PAR 23257Y859 1,413 87,400 SH   DFND 1 2 3 4 5 0 87,400 0
CYTEC INDS INC COM 232820100 5,539 75,000 SH   DFND 1 2 3 4 5 0 75,000 0
DEALERTRACK TECHNOLOGIES INC COM 242309102 5,527 87,500 SH   DFND 1 2 3 4 5 0 87,500 0
DELTA AIR LINES INC DEL COM NEW 247361702 6,521 145,337 SH   DFND 1 2 3 4 5 0 145,337 0
DELTA AIR LINES INC DEL COM NEW 247361702 17,948 400,000 SH Put DFND 1 2 3 4 5 0 400,000 0
DEVON ENERGY CORP NEW COM 25179M103 556 15,000 SH   DFND 1 2 3 4 5 0 15,000 0
DISCOVERY COMMUNICATNS NEW COM SER C 25470F302 13,669 562,752 SH   DFND 1 2 3 4 5 0 562,752 0
DOW CHEM CO COM 260543103 6,975 164,500 SH   DFND 1 2 3 4 5 0 164,500 0
DOW CHEM CO COM 260543103 8,480 200,000 SH Put DFND 1 2 3 4 5 0 200,000 0
DYNAVAX TECHNOLOGIES CORP COM NEW 268158201 1,472 60,000 SH   DFND 1 2 3 4 5 0 60,000 0
EASTMAN CHEM CO COM 277432100 8,429 130,240 SH   DFND 1 2 3 4 5 0 130,240 0
EASTMAN CHEM CO COM 277432100 6,472 100,000 SH Put DFND 1 2 3 4 5 0 100,000 0
ENERGY FUELS INC COM NEW 292671708 1,286 441,997 SH   DFND 1 2 3 4 5 0 441,997 0
FACTORSHARES TR ISE CYBER SEC 30304R407 1,515 60,000 SH   DFND 1 2 3 4 5 0 60,000 0
FEDEX CORP COM 31428X106 2,286 15,876 SH   DFND 1 2 3 4 5 0 15,876 0
FIDELITY NATIONAL FINANCIAL NOTE 4.250% 8/1 31620RAE5 60,313 30,650,000 PRN   DFND 1 2 3 4 5 0 0 0
FIREEYE INC COM 31816Q101 1,352 42,500 SH   DFND 1 2 3 4 5 0 42,500 0
FREESCALE SEMICONDUCTOR LTD SHS G3727Q101 2,012 55,000 SH   DFND 1 2 3 4 5 0 55,000 0
FX ENERGY INC 9.25% PFD SER B 302695309 286 20,800 SH   DFND 1 2 3 4 5 0 20,800 0
GILEAD SCIENCES INC NOTE 1.625% 5/0 375558AP8 14,229 3,300,000 PRN   DFND 1 2 3 4 5 0 0 0
GW PHARMACEUTICALS PLC ADS 36197T103 1,599 17,500 SH   DFND 1 2 3 4 5 0 17,500 0
HARTFORD FINL SVCS GROUP INC COM 416515104 11,445 250,000 SH Call DFND 1 2 3 4 5 0 250,000 0
HCC INS HLDGS INC COM 404132102 5,500 71,000 SH   DFND 1 2 3 4 5 0 71,000 0
HOVNANIAN ENTERPRISES INC CL A 442487203 2,175 1,228,700 SH   DFND 1 2 3 4 5 0 1,228,700 0
ILLUMINA INC COM 452327109 4,656 26,482 SH   DFND 1 2 3 4 5 0 26,482 0
INCYTE CORP COM 45337C102 8,727 79,100 SH   DFND 1 2 3 4 5 0 79,100 0
INTEL CORP SDCV 3.250% 8/0 458140AF7 20,187 13,300,000 PRN   DFND 1 2 3 4 5 0 0 0
INVENSENSE INC COM 46123D205 465 50,000 SH   DFND 1 2 3 4 5 0 50,000 0
ISHARES MSCI BRZ CAP ETF 464286400 549 25,000 SH   DFND 1 2 3 4 5 0 25,000 0
ISHARES TR 20+ YR TR BD ETF 464287432 1,986 16,076 SH   DFND 1 2 3 4 5 0 16,076 0
ISHARES TR IBOXX HI YD ETF 464288513 27,236 327,000 SH   DFND 1 2 3 4 5 0 327,000 0
ISHARES TR NASDQ BIOTEC ETF 464287556 3,033 10,000 SH   DFND 1 2 3 4 5 0 10,000 0
JAZZ PHARMACEUTICALS PLC SHS USD G50871105 985 7,415 SH   DFND 1 2 3 4 5 0 7,415 0
JD COM INC SPON ADR CL A 47215P106 432 16,600 SH   DFND 1 2 3 4 5 0 16,600 0
JUNIPER NETWORKS INC COM 48203R104 771 30,000 SH   DFND 1 2 3 4 5 0 30,000 0
LAM RESEARCH CORP COM 512807108 1,388 21,252 SH   DFND 1 2 3 4 5 0 21,252 0
LAM RESEARCH CORP NOTE 1.250% 5/1 512807AL2 9,476 7,500,000 PRN   DFND 1 2 3 4 5 0 0 0
LENNAR CORP CL A 526057104 4,468 92,821 SH   DFND 1 2 3 4 5 0 92,821 0
LENNAR CORP CL A 526057104 24,065 500,000 SH Put DFND 1 2 3 4 5 0 500,000 0
LIBERTY GLOBAL PLC SHS CL C G5480U120 14,320 349,110 SH   DFND 1 2 3 4 5 0 349,110 0
LIBERTY INTERACTIVE CORP LBT VENT COM A 53071M880 6,750 167,275 SH   DFND 1 2 3 4 5 0 167,275 0
LIBERTY MEDIA CORP DELAWARE COM SER C 531229300 2,049 59,450 SH   DFND 1 2 3 4 5 0 59,450 0
LIBERTY MEDIA CORP DELAWARE NOTE 1.375%10/1 531229AB8 6,698 7,000,000 PRN   DFND 1 2 3 4 5 0 0 0
MACQUARIE INFRASTRUCTURE COR COM 55608B105 1,436 19,211 SH   DFND 1 2 3 4 5 0 19,211 0
MARATHON OIL CORP COM 565849106 2,097 136,141 SH   DFND 1 2 3 4 5 0 136,141 0
MICRON TECHNOLOGY INC COM 595112103 2,332 155,600 SH   DFND 1 2 3 4 5 0 155,600 0
MICRON TECHNOLOGY INC NOTE 2.375% 5/0 595112AW3 14,517 8,800,000 PRN   DFND 1 2 3 4 5 0 0 0
MICRON TECHNOLOGY INC NOTE 3.125% 5/0 595112AX1 1,039 600,000 PRN   DFND 1 2 3 4 5 0 0 0
MOLINA HEALTHCARE INC NOTE 1.125% 1/1 60855RAC4 66,543 38,000,000 PRN   DFND 1 2 3 4 5 0 0 0
MONSANTO CO NEW COM 61166W101 2,662 31,197 SH   DFND 1 2 3 4 5 0 31,197 0
MYLAN N V SHS EURO N59465109 4,429 110,000 SH   DFND 1 2 3 4 5 0 110,000 0
NATIONAL WESTMINSTER BK PLC SPON ADR C 638539882 463 18,145 SH   DFND 1 2 3 4 5 0 18,145 0
NATIONSTAR MTG HLDGS INC COM 63861C109 13,010 937,991 SH   DFND 1 2 3 4 5 0 937,991 0
NEUROCRINE BIOSCIENCES INC COM 64125C109 724 18,200 SH   DFND 1 2 3 4 5 0 18,200 0
NEXVET BIOPHARMA PUB LTD CO ORD SHS G6503X109 111 30,400 SH   DFND 1 2 3 4 5 0 30,400 0
NVIDIA CORP COM 67066G104 1,060 43,000 SH   DFND 1 2 3 4 5 0 43,000 0
NVIDIA CORP NOTE 1.000%12/0 67066GAC8 14,925 11,300,000 PRN   DFND 1 2 3 4 5 0 0 0
NXP SEMICONDUCTORS N V COM N6596X109 3,135 36,000 SH   DFND 1 2 3 4 5 0 36,000 0
OCCIDENTAL PETE CORP DEL COM 674599105 516 7,800 SH   DFND 1 2 3 4 5 0 7,800 0
OCWEN FINL CORP COM NEW 675746309 10,742 1,600,900 SH   DFND 1 2 3 4 5 0 1,600,900 0
OM GROUP INC COM 670872100 1,480 45,000 SH   DFND 1 2 3 4 5 0 45,000 0
OPKO HEALTH INC COM 68375N103 3,599 428,000 SH   DFND 1 2 3 4 5 0 428,000 0
OREXIGEN THERAPEUTICS INC COM 686164104 2,612 1,238,000 SH   DFND 1 2 3 4 5 0 1,238,000 0
PRECISION CASTPARTS CORP COM 740189105 7,534 32,800 SH   DFND 1 2 3 4 5 0 32,800 0
PREMIERE GLOBAL SVCS INC COM 740585104 996 72,500 SH   DFND 1 2 3 4 5 0 72,500 0
PRICELINE GRP INC NOTE 0.350% 6/1 741503AS5 11,308 9,600,000 PRN   DFND 1 2 3 4 5 0 0 0
PRICELINE GRP INC NOTE 1.000% 3/1 741503AQ9 2,665 1,900,000 PRN   DFND 1 2 3 4 5 0 0 0
PROSHARES TR PSHS ULTSH 20YRS 74347B201 492 11,334 SH   DFND 1 2 3 4 5 0 11,334 0
PROSPECT CAPITAL CORPORATION NOTE 5.375%10/1 74348TAK8 1,017 1,000,000 PRN   DFND 1 2 3 4 5 0 0 0
PROSPECT CAPITAL CORPORATION NOTE 5.750% 3/1 74348TAL6 14,436 14,750,000 PRN   DFND 1 2 3 4 5 0 0 0
PROSPECT CAPITAL CORPORATION NOTE 5.875% 1/1 74348TAM4 5,916 6,000,000 PRN   DFND 1 2 3 4 5 0 0 0
PTC THERAPEUTICS INC COM 69366J200 961 36,000 SH   DFND 1 2 3 4 5 0 36,000 0
QUALCOMM INC COM 747525103 13,755 256,000 SH   DFND 1 2 3 4 5 0 256,000 0
QUALCOMM INC COM 747525103 13,433 250,000 SH Put DFND 1 2 3 4 5 0 250,000 0
RADIUS HEALTH INC COM NEW 750469207 4,852 70,000 SH   DFND 1 2 3 4 5 0 70,000 0
RALPH LAUREN CORP CL A 751212101 2,777 23,500 SH   DFND 1 2 3 4 5 0 23,500 0
RED HAT INC COM 756577102 9,441 131,330 SH   DFND 1 2 3 4 5 0 131,330 0
RELYPSA INC COM 759531106 2,610 141,000 SH   DFND 1 2 3 4 5 0 141,000 0
REPROS THERAPEUTICS INC COM NEW 76028H209 1,783 240,000 SH   DFND 1 2 3 4 5 0 240,000 0
ROYAL BK SCOTLAND GROUP PLC SP ADR PREF T 780097713 741 29,000 SH   DFND 1 2 3 4 5 0 29,000 0
RTI INTL METALS INC NOTE 3.000%12/0 74973WAA5 34,963 34,500,000 PRN   DFND 1 2 3 4 5 0 0 0
RYANAIR HLDGS PLC SPONSORED ADR 783513104 51,757 662,110 SH   DFND 1 2 3 4 5 0 662,110 0
SANDISK CORP COM 80004C101 819 15,074 SH   DFND 1 2 3 4 5 0 15,074 0
SANDISK CORP COM 80004C101 10,866 200,000 SH Call DFND 1 2 3 4 5 0 200,000 0
SANDISK CORP NOTE 0.500%10/1 80004CAF8 10,218 10,550,000 PRN   DFND 1 2 3 4 5 0 0 0
SEACOR HOLDINGS INC NOTE 2.500%12/1 811904AM3 2,528 2,600,000 PRN   DFND 1 2 3 4 5 0 0 0
SEALED AIR CORP NEW COM 81211K100 130 2,780 SH   DFND 1 2 3 4 5 0 2,780 0
SEALED AIR CORP NEW COM 81211K100 14,064 300,000 SH Put DFND 1 2 3 4 5 0 300,000 0
SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 892 14,582 SH   DFND 1 2 3 4 5 0 14,582 0
SIGMA ALDRICH CORP COM 826552101 14,176 102,050 SH   DFND 1 2 3 4 5 0 102,050 0
SOLERA HOLDINGS INC COM 83421A104 1,485 27,500 SH   DFND 1 2 3 4 5 0 27,500 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 996 5,200 SH   DFND 1 2 3 4 5 0 5,200 0
STILLWATER MNG CO NOTE 1.750%10/1 86074QAL6 7,171 6,950,000 PRN   DFND 1 2 3 4 5 0 0 0
STRATEGIC HOTELS & RESORTS I COM 86272T106 2,551 185,000 SH   DFND 1 2 3 4 5 0 185,000 0
SUNEDISON INC COM 86732Y109 749 104,000 SH   DFND 1 2 3 4 5 0 104,000 0
TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADR 874039100 3,113 150,000 SH Put DFND 1 2 3 4 5 0 150,000 0
TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADR 874039100 4,444 214,198 SH   DFND 1 2 3 4 5 0 214,198 0
TELEFLEX INC NOTE 3.875% 8/0 879369AA4 146,581 72,180,000 PRN   DFND 1 2 3 4 5 0 0 0
TESLA MTRS INC NOTE 0.250% 3/0 88160RAB7 13,258 13,700,000 PRN   DFND 1 2 3 4 5 0 0 0
TESLA MTRS INC NOTE 1.500% 6/0 88160RAA9 7,770 3,800,000 PRN   DFND 1 2 3 4 5 0 0 0
TIFFANY & CO NEW COM 886547108 9,731 126,016 SH   DFND 1 2 3 4 5 0 126,016 0
TIFFANY & CO NEW COM 886547108 11,583 150,000 SH Put DFND 1 2 3 4 5 0 150,000 0
TWENTY FIRST CENTY FOX INC CL A 90130A101 1,215 45,019 SH   DFND 1 2 3 4 5 0 45,019 0
ULTRAGENYX PHARMACEUTICAL IN COM 90400D108 4,334 45,000 SH   DFND 1 2 3 4 5 0 45,000 0
UNDER ARMOUR INC CL A 904311107 19,356 200,000 SH Put DFND 1 2 3 4 5 0 200,000 0
UNITED MICROELECTRONICS CORP SPON ADR NEW 910873405 4,007 2,473,344 SH   DFND 1 2 3 4 5 0 2,473,344 0
UR ENERGY INC COM 91688R108 1,677 2,941,053 SH   DFND 1 2 3 4 5 0 2,941,053 0
VALE S A ADR REPSTG PFD 91912E204 75 22,399 SH   DFND 1 2 3 4 5 0 22,399 0
VERASTEM INC COM 92337C104 465 260,000 SH   DFND 1 2 3 4 5 0 260,000 0
VERTEX PHARMACEUTICALS INC COM 92532F100 2,083 20,000 SH   DFND 1 2 3 4 5 0 20,000 0
VIVUS INC COM 928551100 518 316,000 SH   DFND 1 2 3 4 5 0 316,000 0
VULCAN MATLS CO COM 929160109 4,166 46,708 SH   DFND 1 2 3 4 5 0 46,708 0
VULCAN MATLS CO COM 929160109 13,380 150,000 SH Put DFND 1 2 3 4 5 0 150,000 0
WELLPOINT INC NOTE 2.750%10/1 94973VBG1 15,618 8,250,000 PRN   DFND 1 2 3 4 5 0 0 0
XENOPORT INC COM 98411C100 548 157,944 SH   DFND 1 2 3 4 5 0 157,944 0
YPF SOCIEDAD ANONIMA SPON ADR CL D 984245100 457 30,000 SH   DFND 1 2 3 4 5 0 30,000 0
ZOETIS INC CL A 98978V103 927 22,500 SH   DFND 1 2 3 4 5 0 22,500 0