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
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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
ACADIA PHARMACEUTICALS INC COM 004225108 3,393 121,653 SH   DFND   121,653 0 0
ACCELERON PHARMA INC COM 00434H108 14,600 480,437 SH   DFND   480,437 0 0
ADAPTIMMUNE THERAPEUTICS PLC SPONDS ADR 00653A107 5,655 1,360,647 SH   DFND   1,360,647 0 0
AGENUS INC COM NEW 00847G705 17,588 4,498,146 SH   DFND   4,498,146 0 0
AKARI THERAPEUTICS PLC SPONSORED ADR 00972G108 531 132,077 SH   DFND   132,077 0 0
ALLERGAN PLC PFD CONV SER A G0177J116 43,285 50,000 SH   DFND   50,000 0 0
ALLIANCE DATA SYSTEMS CORP COM 018581108 20,069 78,185 SH   DFND   78,185 0 0
AMAG PHARMACEUTICALS INC NOTE 3.250% 6/0 00163UAD8 10,639 11,000,000 PRN   DFND   11,000,000 0 0
AMBARELLA INC SHS G037AX101 12,078 248,777 SH   DFND   248,777 0 0
ANTERO RES CORP COM 03674X106 6,989 323,413 SH   DFND   323,413 0 0
ANTHEM INC NOTE 2.750%10/1 94973VBG1 42,702 16,517,000 PRN   DFND   16,517,000 0 0
ARBUTUS BIOPHARMA CORP COM 03879J100 57,649 16,013,540 SH   DFND   0 16,013,540 0
ARGENX SE SPONSORED ADR 04016X101 3,881 200,000 SH   DFND   200,000 0 0
ASSEMBLY BIOSCIENCES INC COM 045396108 7,666 392,487 SH   DFND   392,487 0 0
AVEXIS INC COM 05366U100 18,104 220,356 SH   DFND   220,356 0 0
AXOVANT SCIENCES LTD COM G0750W104 1,739,250 75,000,000 SH   DFND   0 75,000,000 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 2,161 23,799 SH   DFND   23,799 0 0
BIOVERATIV INC COM 09075E100 354 5,879 SH   DFND   5,879 0 0
BLUEBIRD BIO INC COM 09609G100 3,019 28,739 SH   DFND   28,739 0 0
BROCADE COMMUNICATIONS SYS I NOTE 1.375% 1/0 111621AQ1 10,148 10,000,000 PRN   DFND   10,000,000 0 0
CABOT OIL & GAS CORP COM 127097103 8,145 324,742 SH   DFND   324,742 0 0
CAL MAINE FOODS INC COM NEW 128030202 8,740 220,700 SH   DFND   220,700 0 0
CARMAX INC COM 143130102 23,358 370,402 SH   DFND   370,402 0 0
CELLECTIS S A SPONSORED ADS 15117K103 655 25,353 SH   DFND   25,353 0 0
DHT HOLDINGS INC DEBT 4.500%10/0 23335SAB2 9,209 9,440,000 PRN   DFND   9,440,000 0 0
EURONAV NV ANTWERPEN SHS B38564108 13,848 1,752,883 SH   DFND   1,752,883 0 0
GOLDMAN SACHS GROUP INC COM 38141G104 18,182 81,940 SH   DFND   81,940 0 0
GRAY TELEVISION INC COM 389375106 7,423 541,789 SH   DFND   541,789 0 0
HERBALIFE LTD NOTE 2.000% 8/1 42703MAB9 23,095 22,000,000 PRN   DFND   22,000,000 0 0
HOME DEPOT INC COM 437076102 11,812 77,000 SH   DFND   77,000 0 0
HUNTER MARITIME ACQUISITION CL A Y37828111 9,890 1,000,000 SH   DFND   1,000,000 0 0
HUNTER MARITIME ACQUISITION *W EXP 99/99/999 Y37828129 16 500,000 SH   DFND   500,000 0 0
IKANG HEALTHCARE GROUP INC SPONSORED ADR 45174L108 20,440 1,665,866 SH   DFND   1,665,866 0 0
INTEL CORP SDCV 12/1 458140AD2 69,501 53,047,000 PRN   DFND   53,047,000 0 0
INTERACTIVE BROKERS GROUP IN COM 45841N107 11,226 300,000 SH   DFND   300,000 0 0
INTERCEPT PHARMACEUTICALS IN COM 45845P108 3,049 25,184 SH   DFND   25,184 0 0
INTERNATIONAL SEAWAYS INC COM Y41053102 397 18,309 SH   DFND   18,309 0 0
IOVANCE BIOTHERAPEUTICS INC COM 462260100 4,690 660,809 SH   DFND   660,809 0 0
ISHARES TR NASDQ BIOTEC ETF 464287556 52,973 170,837 SH   DFND   170,837 0 0
ISHARES TR IBOXX HI YD ETF 464288513 639 7,235 SH   DFND   7,235 0 0
JPMORGAN CHASE & CO COM 46625H100 10,053 109,985 SH   DFND   109,985 0 0
MAKEMYTRIP LIMITED MAURITIUS SHS V5633W109 73,549 2,264,837 SH   DFND   2,264,837 0 0
MICROCHIP TECHNOLOGY INC NOTE 1.625% 2/1 595017AD6 43,271 28,729,000 PRN   DFND   28,729,000 0 0
MICRON TECHNOLOGY INC COM 595112103 2,377 79,600 SH   DFND   79,600 0 0
MICRON TECHNOLOGY INC NOTE 2.125% 2/1 595112AV5 91,393 33,172,000 PRN   DFND   33,172,000 0 0
MYOVANT SCIENCES LTD COM G637AM102 435,606 37,231,342 SH   DFND   0 37,231,342 0
NETEASE INC SPONSORED ADR 64110W102 25,190 83,790 SH   DFND   83,790 0 0
NEW YORK TIMES CO CL A 650111107 26,010 1,469,488 SH   DFND   1,469,488 0 0
NEXSTAR MEDIA GROUP INC CL A 65336K103 5,260 87,959 SH   DFND   87,959 0 0
NORDIC AMERICAN TANKERS LIMI COM G65773106 1,395 220,000 SH   DFND   220,000 0 0
NORDIC AMERICAN TANKERS LIMI COM G65773106 10,398 1,640,100 SH Put DFND   1,640,100 0 0
NORTHSTAR REALTY EUROPE CORP COM 66706L101 16,888 1,356,743 SH   DFND   1,356,743 0 0
NOVELLUS SYS INC NOTE 2.625% 5/1 670008AD3 18,340 4,370,000 PRN   DFND   4,370,000 0 0
PALATIN TECHNOLOGIES INC COM PAR $ .01 696077403 1,293 4,296,847 SH   DFND   4,296,847 0 0
PAYPAL HLDGS INC COM 70450Y103 5,724 106,660 SH   DFND   106,660 0 0
PDVWIRELESS INC COM 69290R104 17,065 839,236 SH   DFND   839,236 0 0
REALOGY HLDGS CORP COM 75605Y106 2,920 90,000 SH   DFND   90,000 0 0
RICE ENERGY INC COM 762760106 19,502 732,317 SH   DFND   732,317 0 0
SAREPTA THERAPEUTICS INC COM 803607100 3,735 110,812 SH   DFND   110,812 0 0
SHIP FINANCE INTERNATIONAL L NOTE 3.250% 2/0 G81075AE6 42,869 39,986,000 PRN   DFND   39,986,000 0 0
SINCLAIR BROADCAST GROUP INC CL A 829226109 5,309 161,358 SH   DFND   161,358 0 0
SPDR SERIES TRUST S&P REGL BKG 78464A698 3,379 61,491 SH   DFND   61,491 0 0
SPDR SERIES TRUST S&P RETAIL ETF 78464A714 3,577 87,795 SH   DFND   87,795 0 0
SPDR SERIES TRUST S&P BIOTECH 78464A870 1,288 16,693 SH   DFND   16,693 0 0
SPDR SERIES TRUST S&P BIOTECH 78464A870 308,720 4,000,000 SH Put DFND   4,000,000 0 0
TAL ED GROUP NOTE 2.500% 5/1 874080AB0 135,547 29,000,000 PRN   DFND   29,000,000 0 0
TEEKAY TANKERS LTD CL A Y8565N102 4,138 2,200,903 SH   DFND   2,200,903 0 0
TESARO INC COM 881569107 2,962 21,176 SH   DFND   21,176 0 0
TIME WARNER INC COM NEW 887317303 16,218 161,518 SH   DFND   161,518 0 0
TRACON PHARMACEUTICALS INC COM 89237H100 815 339,539 SH   DFND   339,539 0 0
VECTOR GROUP LTD FRNT 1/1 92240MAY4 736 500,000 PRN   DFND   500,000 0 0
VERISIGN INC SDCV 3.250% 8/1 92343EAD4 78,416 28,600,000 PRN   DFND   28,600,000 0 0
WELLS FARGO CO NEW COM 949746101 7,852 141,712 SH   DFND   141,712 0 0
XENCOR INC COM 98401F105 6,361 301,325 SH   DFND   301,325 0 0