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 18,169 855,000 SH   DFND   855,000 0 0
ADMA BIOLOGICS INC COM 000899104 2,800 700,000 SH   DFND   700,000 0 0
AFFIMED N V COM N01045108 1,164 425,000 SH   DFND   425,000 0 0
AGILE THERAPEUTICS INC COM 00847L100 183 73,000 SH   DFND   73,000 0 0
AKAZOO SA SHS L0164E108 527 100,000 SH   DFND   100,000 0 0
AKAZOO SA *W EXP 09/11/202 L0164E116 245 489,700 SH   DFND   489,700 0 0
ALDEYRA THERAPEUTICS INC COM 01438T106 10,038 1,727,700 SH   DFND   1,727,700 0 0
ALLEGRO MERGER CORP *W EXP 01/06/202 01749N111 80 443,772 SH   DFND   443,772 0 0
ALNYLAM PHARMACEUTICALS INC COM 02043Q107 25,913 225,000 SH   DFND   225,000 0 0
AMCI ACQUISITION CORP *W EXP 05/20/202 00165R119 71 200,000 SH   DFND   200,000 0 0
ANGI HOMESERVICES INC COM CL A 00183L102 22,023 2,600,000 SH   DFND   2,600,000 0 0
APPLIED GENETIC TECHNOL CORP COM 03820J100 2,521 557,834 SH   DFND   557,834 0 0
APTOSE BIOSCIENCES INC COM NEW 03835T200 567 100,000 SH   DFND   100,000 0 0
AQUESTIVE THERAPEUTICS INC COM 03843E104 195 33,422 SH   DFND   33,422 0 0
ARAVIVE INC COM 03890D108 202 14,756 SH   DFND   14,756 0 0
ARBUTUS BIOPHARMA CORP COM 03879J100 215 77,368 SH   DFND   77,368 0 0
ARCTURUS THERAPEUTICS HLDG I COM 03969T109 177 16,292 SH   DFND   16,292 0 0
ARDELYX INC COM 039697107 15,010 2,000,000 SH   DFND   2,000,000 0 0
ARYA SCIENCES ACQUISITION CO SHS CL A G3165V109 10,400 1,000,000 SH   DFND   1,000,000 0 0
ARYA SCIENCES ACQUISITION CO *W EXP 10/10/202 G3165V125 855 500,000 SH   DFND   500,000 0 0
ASPEN AEROGELS INC COM 04523Y105 171 22,012 SH   DFND   22,012 0 0
ASPEN GROUP INC COM NEW 04530L203 100 12,464 SH   DFND   12,464 0 0
AT HOME GROUP INC COM 04650Y100 6,600 1,200,000 SH   DFND   1,200,000 0 0
ATARA BIOTHERAPEUTICS INC COM 046513107 412 25,000 SH   DFND   25,000 0 0
AVENUE THERAPEUTICS INC COM NEW 05360L205 131 13,600 SH   DFND   13,600 0 0
BEYOND MEAT INC COM 08862E109 212 2,800 SH Call DFND   2,800 0 0
BIG ROCK PARTNERS ACQUISI CO *W EXP 12/01/202 089482111 15 82,500 SH   DFND   82,500 0 0
BIG ROCK PARTNERS ACQUISI CO RIGHT 12/01/2022 089482129 43 165,000 SH   DFND   165,000 0 0
BIOCERES CROP SOLUTIONS CORP *W EXP 03/14/202 G1117K106 32 200,000 SH   DFND   200,000 0 0
BIOMX INC *W EXP 10/16/202 09090D111 77 150,000 SH   DFND   150,000 0 0
CAPITAL ONE FINL CORP COM 14040H105 1,544 15,000 SH   DFND   15,000 0 0
CARDLYTICS INC COM 14161W105 36,145 575,000 SH   DFND   575,000 0 0
CARVANA CO CL A 146869102 124,268 1,350,000 SH   DFND   1,350,000 0 0
CHASERG TECHNLGY ACQUISITN C *W EXP 04/10/202 16166A111 154 69,900 SH   DFND   69,900 0 0
CHIMERIX INC COM 16934W106 670 330,061 SH   DFND   330,061 0 0
COCA COLA CO COM 191216100 16,605 300,000 SH Put DFND   300,000 0 0
CONTANGO OIL & GAS COMPANY COM NEW 21075N204 155 42,310 SH   DFND   42,310 0 0
CONTRAFECT CORP COM 212326102 1,428 2,300,000 SH   DFND   2,300,000 0 0
COOPER STD HLDGS INC COM 21676P103 11,606 350,000 SH   DFND   350,000 0 0
CRESUD S A C I F Y A SPONSORED ADR 226406106 6,775 962,302 SH   DFND   962,302 0 0
CUE BIOPHARMA INC COM 22978P106 5,080 320,000 SH   DFND   320,000 0 0
DHT HOLDINGS INC SHS NEW Y2065G121 4,264 515,000 SH   DFND   515,000 0 0
DIAMOND S SHIPPING INC COM Y20676105 11,464 684,845 SH   DFND   684,845 0 0
DIANA SHIPPING INC COM Y2066G104 350 112,411 SH   DFND   112,411 0 0
DYADIC INTL INC DEL COM 26745T101 181 35,032 SH   DFND   35,032 0 0
EASTMAN KODAK CO COM NEW 277461406 134 28,889 SH   DFND   28,889 0 0
EDTECHX HLDGS ACQUISITION CO *W EXP 12/31/202 28138X111 45 125,000 SH   DFND   125,000 0 0
EIGER BIOPHARMACEUTICALS INC COM 28249U105 27,565 1,850,000 SH   DFND   1,850,000 0 0
ELLINGTON RESIDENTIAL MTG RE COM SHS BEN INT 288578107 177 16,351 SH   DFND   16,351 0 0
ENERGY RECOVERY INC COM 29270J100 5,287 540,000 SH   DFND   540,000 0 0
ENOVA INTL INC COM 29357K103 9,744 405,000 SH   DFND   405,000 0 0
ESTRE AMBIENTAL INC *W EXP 12/21/202 G3206V118 2 437,883 SH   DFND   437,883 0 0
EURONAV NV ANTWERPEN SHS B38564108 1,255 100,000 SH   DFND   100,000 0 0
FALCON MINERALS CORP *W EXP 07/21/202 30607B208 53 149,600 SH   DFND   149,600 0 0
FATE THERAPEUTICS INC COM 31189P102 4,403 225,000 SH   DFND   225,000 0 0
FENNEC PHARMACEUTICALS INC COM 31447P100 6,165 950,000 SH   DFND   950,000 0 0
FOAMIX PHARMACEUTICALS LTD SHS M46135105 1,249 375,100 SH   DFND   375,100 0 0
FORTRESS BIOTECH INC COM 34960Q109 715 277,857 SH   DFND   277,857 0 0
FORUM MERGER II CORP *W EXP 09/30/202 34986F111 138 300,000 SH   DFND   300,000 0 0
FULGENT GENETICS INC COM 359664109 199 15,460 SH   DFND   15,460 0 0
GALMED PHARMACEUTICALS LTD SHS M47238106 4,624 800,000 SH   DFND   800,000 0 0
GENCO SHIPPING & TRADING LTD SHS Y2685T131 1,917 180,496 SH   DFND   180,496 0 0
GENERAL MTRS CO COM 37045V100 27,450 750,000 SH Call DFND   750,000 0 0
GLOBALSCAPE INC COM 37940G109 190 19,301 SH   DFND   19,301 0 0
GLOBALSTAR INC COM 378973408 7,996 15,415,778 SH   DFND   15,415,778 0 0
GLOBALSTAR INC NOTE 5.750% 4/0 378973AD3 434 513,719 PRN   DFND   513,719 0 0
GORDON POINTE ACQUISITION CO *W EXP 07/30/202 382788115 81 225,000 SH   DFND   225,000 0 0
GRAF INDL CORP *W EXP 12/31/202 384278115 99 225,000 SH   DFND   225,000 0 0
GREIF INC CL B 397624206 617 11,910 SH   DFND   11,910 0 0
HARROW HEALTH INC COM 415858109 211 27,136 SH   DFND   27,136 0 0
HERSHEY CO COM 427866108 14,698 100,000 SH Put DFND   100,000 0 0
HILL INTERNATIONAL INC COM 431466101 184 58,275 SH   DFND   58,275 0 0
HL ACQUISITIONS CORP *W EXP 06/21/202 G4603R122 63 180,000 SH   DFND   180,000 0 0
HL ACQUISITIONS CORP RIGHT 07/17/2023 G4603R130 46 180,000 SH   DFND   180,000 0 0
HOSTESS BRANDS INC *W EXP 11/04/202 44109J114 4,965 2,520,000 SH   DFND   2,520,000 0 0
IAC INTERACTIVECORP COM 44919P508 20,427 82,000 SH   DFND   82,000 0 0
ICAD INC COM NEW 44934S206 192 24,704 SH   DFND   24,704 0 0
IDEAYA BIOSCIENCES INC COM 45166A102 168 22,364 SH   DFND   22,364 0 0
IMMUNOVANT INC COM 45258J102 213 13,400 SH   DFND   13,400 0 0
IMMUNOVANT INC *W EXP 12/18/202 45258J110 557 278,258 SH   DFND   278,258 0 0
INFUSYSTEM HLDGS INC COM 45685K102 183 21,492 SH   DFND   21,492 0 0
INSPIRED ENTMT INC COM 45782N108 5,412 801,824 SH   DFND   801,824 0 0
INTEL CORP COM 458140100 5,985 100,000 SH Put DFND   100,000 0 0
INTEVAC INC COM 461148108 193 27,300 SH   DFND   27,300 0 0
IRSA INVERSIONES Y REP S A GLOBL DEP RCPT 450047204 6,271 906,224 SH   DFND   906,224 0 0
IRSA PROPIEDADES COMERCIALES SPONSORED ADR 463588103 3,252 194,165 SH   DFND   194,165 0 0
IVERIC BIO INC COM 46583P102 288 33,608 SH   DFND   33,608 0 0
KADMON HLDGS INC COM 48283N106 770 170,000 SH   DFND   170,000 0 0
KALEYRA INC *W EXP 12/12/202 483379111 170 150,000 SH   DFND   150,000 0 0
KROGER CO COM 501044101 14,495 500,000 SH Call DFND   500,000 0 0
LEAP THERAPEUTICS INC COM 52187K101 168 150,142 SH   DFND   150,142 0 0
LEGACY ACQUISITION CORP *W EXP 11/30/202 524643111 269 500,000 SH   DFND   500,000 0 0
LEISURE ACQUISITION CORP *W EXP 12/05/201 52539T115 129 125,000 SH   DFND   125,000 0 0
LF CAP ACQUISITION CORP *W EXP 06/22/202 50200K116 209 450,000 SH   DFND   450,000 0 0
LSI INDS INC COM 50216C108 178 29,420 SH   DFND   29,420 0 0
LUNA INNOVATIONS COM 550351100 179 24,504 SH   DFND   24,504 0 0
MAIDEN HOLDINGS LTD SHS G5753U112 5,908 7,876,964 SH   DFND   7,876,964 0 0
MANNING & NAPIER INC CL A 56382Q102 170 97,752 SH   DFND   97,752 0 0
MARINUS PHARMACEUTICALS INC COM 56854Q101 1,999 925,382 SH   DFND   925,382 0 0
MEGALITH FINL ACQUISITION CO *W EXP 08/26/202 58518F117 128 400,000 SH   DFND   400,000 0 0
MEIRAGTX HOLDINGS PLC COM G59665102 8,108 405,000 SH   DFND   405,000 0 0
MIRAGEN THERAPEUTICS INC COM 60463E103 139 290,000 SH   DFND   290,000 0 0
MONEYGRAM INTL INC COM NEW 60935Y208 178 84,960 SH   DFND   84,960 0 0
MUDRICK CAP ACQUISITION CORP COM CLASS A 624745105 19,632 1,900,000 SH   DFND   1,900,000 0 0
MUDRICK CAP ACQUISITION CORP *W EXP 02/12/202 624745113 1,225 2,500,000 SH   DFND   2,500,000 0 0
MUSTANG BIO INC COM 62818Q104 1,877 460,000 SH   DFND   460,000 0 0
NANTKWEST INC COM 63016Q102 223 58,748 SH   DFND   58,748 0 0
NATIONAL ENERGY SERVICES REU *W EXP 05/05/202 G6375R115 653 725,000 SH   DFND   725,000 0 0
NAVIOS MARITIME CONTAINERS L COM UNIT RP LP Y62151108 4,805 2,235,000 SH   DFND   2,235,000 0 0
NOVUS THERAPEUTICS INC COM 67011N105 174 300,000 SH   DFND   300,000 0 0
NYMOX PHARMACEUTICAL CORP COM P73398102 189 85,763 SH   DFND   85,763 0 0
ON DECK CAP INC COM 682163100 11,844 2,860,720 SH   DFND   2,860,720 0 0
ONCOSEC MED INC COM 68234L306 145 79,935 SH   DFND   79,935 0 0
ONEMAIN HLDGS INC COM 68268W103 6,112 145,000 SH   DFND   145,000 0 0
OPES ACQUISITION CORP *W EXP 03/13/202 68373P118 27 150,000 SH   DFND   150,000 0 0
ORACLE CORP COM 68389X105 13,245 250,000 SH Put DFND   250,000 0 0
ORION GROUP HOLDINGS INC COM 68628V308 177 34,176 SH   DFND   34,176 0 0
ORISUN ACQUISITION CORP UNIT 99/99/9999 68632T208 508 50,000 SH   DFND   50,000 0 0
OTONOMY INC COM 68906L105 4,213 1,100,000 SH   DFND   1,100,000 0 0
OVID THERAPEUTICS INC COM 690469101 175 42,088 SH   DFND   42,088 0 0
PARTY CITY HOLDCO INC COM 702149105 2,340 1,000,000 SH   DFND   1,000,000 0 0
PC-TEL INC COM 69325Q105 177 20,924 SH   DFND   20,924 0 0
PENN VA CORP NEW COM 70788V102 13,718 452,000 SH   DFND   452,000 0 0
PENSARE ACQUISITION CORP *W EXP 07/27/202 70957E113 38 115,000 SH   DFND   115,000 0 0
PENSARE ACQUISITION CORP RIGHT 99/99/9999 70957E121 175 605,000 SH   DFND   605,000 0 0
PEPSICO INC COM 713448108 13,667 100,000 SH Put DFND   100,000 0 0
PIERIS PHARMACEUTICALS INC COM 720795103 326 90,000 SH   DFND   90,000 0 0
POWERFLEET INC COM 73931J109 194 29,757 SH   DFND   29,757 0 0
PROCTER & GAMBLE CO COM 742718109 24,980 200,000 SH Put DFND   200,000 0 0
PROVENTION BIO INC COM 74374N102 233 15,608 SH   DFND   15,608 0 0
RED VIOLET INC COM 75704L104 201 10,876 SH   DFND   10,876 0 0
REDHILL BIOPHARMA LTD SPONSORED ADS 757468103 6,280 1,034,650 SH   DFND   1,034,650 0 0
SCHULTZE SPL PURP ACQUSTN CO *W EXP 12/31/202 80821R117 131 300,000 SH   DFND   300,000 0 0
SCORPIO TANKERS INC NOTE 3.000% 5/1 80918TAB5 2,440 2,000,000 PRN   DFND   2,000,000 0 0
SCORPIO TANKERS INC SHS Y7542C130 962 24,459 SH   DFND   24,459 0 0
SEACHANGE INTL INC COM 811699107 193 46,148 SH   DFND   46,148 0 0
SEADRILL LTD COM G7998G106 1,331 523,936 SH   DFND   523,936 0 0
SEQUENTIAL BRNDS GROUP INC N COM 81734P107 171 500,000 SH   DFND   500,000 0 0
SERVICESOURCE INTL INC COM 81763U100 196 117,302 SH   DFND   117,302 0 0
SMITH MICRO SOFTWARE INC COM NEW 832154207 163 40,952 SH   DFND   40,952 0 0
SOLENO THERAPEUTICS INC COM NEW 834203200 1,240 421,887 SH   DFND   421,887 0 0
STAGE STORES INC COM NEW 85254C305 220 27,056 SH   DFND   27,056 0 0
STRONGBRIDGE BIOPHARMA PLC SHS USD G85347105 1,273 608,971 SH   DFND   608,971 0 0
SYNDAX PHARMACEUTICALS INC COM 87164F105 8,121 925,000 SH   DFND   925,000 0 0
TEEKAY TANKERS LTD CL A Y8565N300 3,671 153,124 SH   DFND   153,124 0 0
TENZING ACQUISITION CORP *W EXP 02/23/202 G8708A108 36 200,000 SH   DFND   200,000 0 0
TESLA INC COM 88160R101 10,458 25,000 SH Call DFND   25,000 0 0
TESLA INC COM 88160R101 103,537 247,500 SH Put DFND   247,500 0 0
TG THERAPEUTICS INC COM 88322Q108 4,421 398,271 SH   DFND   398,271 0 0
TIBERIUS ACQUISITION CORP *W EXP 02/28/202 88633A115 513 450,000 SH   DFND   450,000 0 0
TKK SYMPHONY ACQUISITION COR *W EXP 02/20/202 G88950129 14 225,000 SH   DFND   225,000 0 0
TKK SYMPHONY ACQUISITION COR RIGHT 02/20/2020 G88950137 56 225,000 SH   DFND   225,000 0 0
TOTTENHAM ACQUISITION I LTD *W EXP 05/06/202 G8959N114 35 542,000 SH   DFND   542,000 0 0
TOTTENHAM ACQUISITION I LTD RIGHT 06/05/2020 G8959N122 22 134,000 SH   DFND   134,000 0 0
TOWNSQUARE MEDIA INC CL A 892231101 191 19,119 SH   DFND   19,119 0 0
TRACON PHARMACEUTICALS INC COM NEW 89237H209 316 135,000 SH   DFND   135,000 0 0
TRIDENT ACQUISITIONS CORP *W EXP 05/09/202 89615T114 199 1,993,750 SH   DFND   1,993,750 0 0
TRIVAGO N V SPON ADS A SHS 89686D105 5,650 2,156,700 SH   DFND   2,156,700 0 0
UNIQURE NV SHS N90064101 35,113 490,000 SH   DFND   490,000 0 0
UNIVERSAL TECHNICAL INST INC COM 913915104 195 25,288 SH   DFND   25,288 0 0
US ECOLOGY INC *W EXP 10/17/202 91734M111 1,222 105,350 SH   DFND   105,350 0 0
VECTOIQ ACQUISITION CORP *W EXP 05/11/202 92243N111 295 500,000 SH   DFND   500,000 0 0
VERU INC COM 92536C103 219 65,402 SH   DFND   65,402 0 0
WARRIOR MET COAL INC COM 93627C101 5,177 245,000 SH   DFND   245,000 0 0
WAYFAIR INC CL A 94419L101 16,267 180,000 SH   DFND   180,000 0 0
WORKHORSE GROUP INC COM NEW 98138J206 191 62,912 SH   DFND   62,912 0 0
ZAFGEN INC COM 98885E103 2,999 2,701,566 SH   DFND   2,701,566 0 0
ZOGENIX INC COM NEW 98978L204 2,607 50,000 SH   DFND   50,000 0 0