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
ADIENT PLC ORD SHS G0084W101 19,763 1,203,588 SH   DFND   1,203,588 0 0
ADMA BIOLOGICS INC COM 000899104 5,860 2,000,000 SH   DFND   2,000,000 0 0
AFFIMED N V COM N01045108 16,844 3,650,000 SH   DFND   3,650,000 0 0
ALDEYRA THERAPEUTICS INC COM 01438T106 688 165,000 SH   DFND   165,000 0 0
ALNYLAM PHARMACEUTICALS INC COM 02043Q107 15,552 105,000 SH   DFND   105,000 0 0
ALTRIA GROUP INC COM 02209S103 17,815 453,860 SH   DFND   453,860 0 0
AMAZON COM INC COM 023135106 33,105 12,000 SH   DFND   12,000 0 0
AMCI ACQUISITION CORP *W EXP 05/20/202 00165R119 109 200,000 SH   DFND   200,000 0 0
ANGI HOMESERVICES INC COM CL A 00183L102 12,754 1,049,673 SH   DFND   1,049,673 0 0
APPLIED GENETIC TECHNOLOGIES COM 03820J100 2,687 485,000 SH   DFND   485,000 0 0
APTOSE BIOSCIENCES INC COM NEW 03835T200 2,000 316,887 SH   DFND   316,887 0 0
ARCTURUS THERAPEUTICS HLDG I COM 03969T109 788 16,855 SH   DFND   16,855 0 0
ARDELYX INC COM 039697107 14,907 2,154,184 SH   DFND   2,154,184 0 0
ARYA SCIENCES ACQUISITION CO *W EXP 10/10/202 G3165V125 2,700 500,000 SH   DFND   500,000 0 0
ARYA SCIENCES ACQUISITION CO SHS CL A G3165V109 16,527 1,050,000 SH   DFND   1,050,000 0 0
ARYA SCIENCES ACQUISTION CO UNIT 06/09/2027 G31655114 8,117 700,000 SH   DFND   700,000 0 0
AT HOME GROUP INC COM 04650Y100 6,235 960,793 SH   DFND   960,793 0 0
ATARA BIOTHERAPEUTICS INC COM 046513107 3,218 220,848 SH   DFND   220,848 0 0
AVEO PHARMACEUTICALS INC COM NEW 053588307 1,730 335,880 SH   DFND   335,880 0 0
AVIS BUDGET GROUP COM 053774105 11,674 510,000 SH Put DFND   510,000 0 0
BARRICK GOLD CORPORATION COM 067901108 15,126 561,477 SH   DFND   561,477 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 8,926 50,000 SH Put DFND   50,000 0 0
BIG ROCK PARTNERS ACQUISI CO *W EXP 12/01/202 089482111 37 82,500 SH   DFND   82,500 0 0
BIG ROCK PARTNERS ACQUISI CO RIGHT 12/01/2022 089482129 46 165,000 SH   DFND   165,000 0 0
BIOCERES CROP SOLUTIONS CORP *W EXP 03/14/202 G1117K106 42 200,000 SH   DFND   200,000 0 0
BIOMX INC *W EXP 10/16/202 09090D111 40 83,084 SH   DFND   83,084 0 0
BONANZA CREEK ENERGY INC COM NEW 097793400 185 12,500 SH   DFND   12,500 0 0
BROOGE ENERGY LTD *W EXP 12/20/202 G1611B115 158 321,684 SH   DFND   321,684 0 0
CAPITAL ONE FINL CORP COM 14040H105 30,770 491,617 SH   DFND   491,617 0 0
CARDLYTICS INC COM 14161W105 59,946 856,606 SH   DFND   856,606 0 0
CARGURUS INC COM CL A 141788109 5,172 204,000 SH   DFND   204,000 0 0
CARVANA CO CL A 146869102 165,085 1,373,423 SH   DFND   1,373,423 0 0
CELLECTIS S A SPONS ADS 15117K103 3,560 200,000 SH   DFND   200,000 0 0
CHIMERIX INC COM 16934W106 1,023 330,061 SH   DFND   330,061 0 0
CIMPRESS PLC SHS EURO G2143T103 6,675 87,436 SH   DFND   87,436 0 0
COCA COLA CO COM 191216100 8,936 200,000 SH Put DFND   200,000 0 0
CONTRAFECT CORP COM NEW 212326300 3,834 600,000 SH   DFND   600,000 0 0
CRESUD S A C I F Y A SPONSORED ADR 226406106 2,849 962,302 SH   DFND   962,302 0 0
CUE BIOPHARMA INC COM 22978P106 7,843 320,000 SH   DFND   320,000 0 0
DHT HOLDINGS INC SHS NEW Y2065G121 6,341 1,236,000 SH   DFND   1,236,000 0 0
DIAGEO P L C SPON ADR NEW 25243Q205 25,534 190,000 SH   DFND   190,000 0 0
DIAMOND S SHIPPING INC COM Y20676105 3,156 395,000 SH   DFND   395,000 0 0
DIANA SHIPPING INC COM Y2066G104 140 93,229 SH   DFND   93,229 0 0
DIRTT ENVIRONMENTAL SOLUTION COM 25490H106 7,875 6,518,000 SH   DFND   6,518,000 0 0
DUPONT DE NEMOURS INC COM 26614N102 2,657 50,000 SH   DFND   50,000 0 0
EIGER BIOPHARMACEUTICALS INC COM 28249U105 20,706 2,156,839 SH   DFND   2,156,839 0 0
ENERGY RECOVERY INC COM 29270J100 3,950 520,000 SH   DFND   520,000 0 0
ENOVA INTL INC COM 29357K103 17,072 1,148,058 SH   DFND   1,148,058 0 0
EURONAV NV ANTWERPEN SHS B38564108 1,321 162,000 SH   DFND   162,000 0 0
FALCON MINERALS CORP *W EXP 07/21/202 30607B208 15 143,626 SH   DFND   143,626 0 0
FATE THERAPEUTICS INC COM 31189P102 7,720 225,000 SH   DFND   225,000 0 0
FENNEC PHARMACEUTICALS INC COM 31447P100 9,269 1,110,000 SH   DFND   1,110,000 0 0
FORTRESS BIOTECH INC COM 34960Q109 536 200,000 SH   DFND   200,000 0 0
FORUM MERGER II CORP *W EXP 09/30/202 34986F111 1,410 300,000 SH   DFND   300,000 0 0
FRONTLINE LTD SHS NEW G3682E192 495 70,979 SH   DFND   70,979 0 0
GENCO SHIPPING & TRADING LTD SHS Y2685T131 1,134 180,496 SH   DFND   180,496 0 0
GENERAL MTRS CO COM 37045V100 18,975 750,000 SH Call DFND   750,000 0 0
GLOBALSTAR INC COM 378973408 4,536 13,888,836 SH   DFND   13,888,836 0 0
GLOBALSTAR INC NOTE 5.750% 4/0 378973AD3 356 519,498 PRN   DFND   519,498 0 0
GLRY STR NW MDIA GRUP HLDG L *W EXP 02/13/202 G39973113 9 225,000 SH   DFND   225,000 0 0
GOLAR LNG PARTNERS LP COM UNIT LPI Y2745C102 2,487 963,969 SH   DFND   963,969 0 0
GORDON POINTE ACQUISITION CO *W EXP 07/30/202 382788115 490 225,000 SH   DFND   225,000 0 0
GRAF INDL CORP *W EXP 12/31/202 384278115 513 225,000 SH   DFND   225,000 0 0
GREIF INC CL B 397624206 498 11,910 SH   DFND   11,910 0 0
GRUBHUB INC COM 400110102 8,142 115,821 SH   DFND   115,821 0 0
GSX TECHEDU INC SPONSORED ADS 36257Y109 17,998 300,000 SH Put DFND   300,000 0 0
HERTZ GLOBAL HLDGS INC COM 42806J106 2,293 1,625,600 SH Call DFND   1,625,600 0 0
HERTZ GLOBAL HLDGS INC COM 42806J106 1,455 1,032,000 SH Put DFND   1,032,000 0 0
HL ACQUISITIONS CORP *W EXP 06/21/202 G4603R122 407 180,000 SH   DFND   180,000 0 0
HL ACQUISITIONS CORP RIGHT 07/17/2023 G4603R130 170 180,000 SH   DFND   180,000 0 0
HOSTESS BRANDS INC *W EXP 11/04/202 44109J114 2,167 2,520,000 SH   DFND   2,520,000 0 0
HYCROFT MINING HOLDING CORP COM CL A 44862P109 1,404 148,602 SH   DFND   148,602 0 0
HYCROFT MINING HOLDING CORP *W EXP 02/12/202 44862P117 3,082 2,465,700 SH   DFND   2,465,700 0 0
IAC INTERACTIVECORP COM 44919P508 165,920 513,050 SH   DFND   513,050 0 0
IAMGOLD CORP COM 450913108 1,185 300,000 SH   DFND   300,000 0 0
IMMUNOMEDICS INC COM 452907108 1,771 50,000 SH   DFND   50,000 0 0
INSPIRED ENTMT INC COM 45782N108 2,367 816,325 SH   DFND   816,325 0 0
INTL GNRL INSURANCE HLDNGS L *W EXP 03/17/202 G4809J114 153 450,000 SH   DFND   450,000 0 0
IOVANCE BIOTHERAPEUTICS INC COM 462260100 2,745 100,000 SH   DFND   100,000 0 0
IRSA INVERSIONES Y REP S A GLOBL DEP RCPT 450047204 2,746 906,224 SH   DFND   906,224 0 0
IRSA PROPIEDADES COMERCIALES SPONSORED ADR 463588103 1,235 194,165 SH   DFND   194,165 0 0
ISHARES TR JPMORGAN USD EMG 464288281 43,688 400,000 SH Put DFND   400,000 0 0
ISHARES TR U.S. REAL ES ETF 464287739 126 1,600 SH   DFND   1,600 0 0
ISHARES TR U.S. REAL ES ETF 464287739 394 5,000 SH Call DFND   5,000 0 0
JPMORGAN CHASE & CO COM 46625H100 3,292 35,000 SH   DFND   35,000 0 0
KADMON HLDGS INC COM 48283N106 870 170,000 SH   DFND   170,000 0 0
KALEYRA INC *W EXP 12/12/202 483379111 70 108,050 SH   DFND   108,050 0 0
KROGER CO COM 501044101 3,385 100,000 SH Call DFND   100,000 0 0
LARIMAR THERAPEUTICS INC COM 517125100 2,829 220,136 SH   DFND   220,136 0 0
LEAP THERAPEUTICS INC COM 52187K101 1,100 526,466 SH   DFND   526,466 0 0
LEGACY ACQUISITION CORP *W EXP 11/30/202 524643111 245 500,000 SH   DFND   500,000 0 0
LEISURE ACQUISITION CORP *W EXP 12/05/201 52539T115 116 125,000 SH   DFND   125,000 0 0
LF CAP ACQUISITION CORP *W EXP 06/22/202 50200K116 405 450,000 SH   DFND   450,000 0 0
MAIDEN HOLDINGS LTD SHS G5753U112 9,767 7,876,964 SH   DFND   7,876,964 0 0
MARINUS PHARMACEUTICALS INC COM 56854Q101 2,350 925,382 SH   DFND   925,382 0 0
MATCH GROUP INC COM 57665R106 980 951,000 SH Put DFND   951,000 0 0
MEGALITH FINL ACQUISITION CO *W EXP 08/26/202 58518F117 336 400,000 SH   DFND   400,000 0 0
MEIRAGTX HLDGS PLC COM G59665102 5,207 415,874 SH   DFND   415,874 0 0
MENLO THERAPEUTICS INC COM 586858102 9,602 5,550,208 SH   DFND   5,550,208 0 0
METEN EDTECHX ED GROUP LTD *W EXP 03/31/202 G6055H106 70 125,000 SH   DFND   125,000 0 0
MUSTANG BIO INC COM 62818Q104 1,463 460,000 SH   DFND   460,000 0 0
NATIONAL ENERGY SERVICES REU *W EXP 05/05/202 G6375R115 398 723,700 SH   DFND   723,700 0 0
NAVIOS MARITIME CONTAINERS L COM UNIT RP LP Y62151108 1,810 2,235,000 SH   DFND   2,235,000 0 0
NIKOLA CORP *W EXP 06/03/202 654110113 5,254 158,264 SH   DFND   158,264 0 0
NIKOLA CORP COM 654110105 25,333 375,100 SH Call DFND   375,100 0 0
NIKOLA CORP COM 654110105 58,703 869,300 SH Put DFND   869,300 0 0
NUVEEN NEW YORK AMT QLT MUNI COM 670656107 185 14,400 SH   DFND   14,400 0 0
ON DECK CAP INC COM 682163100 1,949 2,713,304 SH   DFND   2,713,304 0 0
ONCOSEC MED INC COM 68234L306 164 79,935 SH   DFND   79,935 0 0
ORISUN ACQUISITION CORP COM 68632T109 507 50,000 SH   DFND   50,000 0 0
ORISUN ACQUISITION CORP RIGHT 05/31/2024 68632T125 15 50,000 SH   DFND   50,000 0 0
ORISUN ACQUISITION CORP *W EXP 05/31/202 68632T117 19 50,000 SH   DFND   50,000 0 0
OTONOMY INC COM 68906L105 3,258 900,000 SH   DFND   900,000 0 0
PBF LOGISTICS LP UNIT LTD PTNR 69318Q104 153 15,663 SH   DFND   15,663 0 0
PENN VA CORP COM 70788V102 8,430 884,603 SH   DFND   884,603 0 0
PG&E CORP COM 69331C108 28,235 3,183,216 SH   DFND   3,183,216 0 0
PIERIS PHARMACEUTICALS INC COM 720795103 279 90,000 SH   DFND   90,000 0 0
PROVENTION BIO INC COM 74374N102 8,467 600,000 SH   DFND   600,000 0 0
ROTH CH ACQUISITION I CO UNIT 01/28/2025 778675207 1,859 185,000 SH   DFND   185,000 0 0
SCHULTZE SPL PURP ACQUSTN CO *W EXP 12/31/202 80821R117 387 300,000 SH   DFND   300,000 0 0
SCORPIO TANKERS INC NOTE 3.000% 5/1 80918TAB5 1,740 2,000,000 PRN   DFND   2,000,000 0 0
SELECTA BIOSCIENCES INC COM 816212104 2,029 714,619 SH   DFND   714,619 0 0
SIERRA ONCOLOGY INC COM NEW 82640U404 1,696 140,156 SH   DFND   140,156 0 0
STRONGBRIDGE BIOPHARMA PLC SHS USD G85347105 1,735 458,971 SH   DFND   458,971 0 0
SYNDAX PHARMACEUTICALS INC COM 87164F105 15,062 1,016,371 SH   DFND   1,016,371 0 0
TEEKAY TANKERS LTD CL A Y8565N300 1,130 88,124 SH   DFND   88,124 0 0
TENZING ACQUISITION CORP *W EXP 02/23/202 G8708A108 94 200,000 SH   DFND   200,000 0 0
TESLA INC COM 88160R101 26,995 25,000 SH Call DFND   25,000 0 0
TG THERAPEUTICS INC COM 88322Q108 7,758 398,271 SH   DFND   398,271 0 0
TOTTENHAM ACQUISITION I LTD *W EXP 05/06/202 G8959N114 108 542,000 SH   DFND   542,000 0 0
TOTTENHAM ACQUISITION I LTD RIGHT 11/06/2020 G8959N122 40 134,000 SH   DFND   134,000 0 0
TRACON PHARMACEUTICALS INC COM NEW 89237H209 147 75,000 SH   DFND   75,000 0 0
TRIDENT ACQUISITIONS CORP *W EXP 05/09/202 89615T114 917 1,993,750 SH   DFND   1,993,750 0 0
UNIQURE NV SHS N90064101 21,629 480,000 SH   DFND   480,000 0 0
US ECOLOGY INC *W EXP 10/17/202 91734M111 500 105,350 SH   DFND   105,350 0 0
VENTAS INC COM 92276F100 9,155 250,000 SH   DFND   250,000 0 0
VENTAS INC COM 92276F100 5,493 150,000 SH Call DFND   150,000 0 0
VENTAS INC COM 92276F100 21,972 600,000 SH Put DFND   600,000 0 0
WARRIOR MET COAL INC COM 93627C101 3,771 245,000 SH   DFND   245,000 0 0
WAYFAIR INC CL A 94419L101 5,928 30,000 SH   DFND   30,000 0 0
WELLS FARGO CO NEW COM 949746101 4,608 180,000 SH   DFND   180,000 0 0
WORLD ACCEP CORP DEL COM 981419104 1,206 18,400 SH   DFND   18,400 0 0
XERIS PHARMACEUTICALS INC NOTE 5.000% 7/1 98422LAA5 10,050 10,000,000 PRN   DFND   10,000,000 0 0
ZILLOW GROUP INC CL A 98954M101 5,173 90,000 SH   DFND   90,000 0 0
ZOGENIX INC COM NEW 98978L204 3,106 115,000 SH   DFND   115,000 0 0