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
7GC & CO HOLDINGS INC UNIT 12/23/2025 81786A206 4,220 400,000 SH   DFND   400,000 0 0
ACIES ACQUISITION CORP UNIT 11/30/2027 G0103T121 5,948 554,852 SH   DFND   554,852 0 0
AGEAGLE AERIAL SYS INC NEW COM 00848K101 424 70,608 SH   DFND   70,608 0 0
AKEBIA THERAPEUTICS INC COM 00972D105 267 95,342 SH   DFND   95,342 0 0
AKERS BIOSCIENCES INC COM 00973E409 403 270,270 SH   DFND   270,270 0 0
ALBERTSONS COS INC COMMON STOCK 013091103 1,231 70,000 SH   DFND   70,000 0 0
ALEXANDRIA REAL ESTATE EQ IN COM 015271109 1,069 6,000 SH   DFND   6,000 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 1,164 5,000 SH   DFND   5,000 0 0
ALLENA PHARMACEUTICALS INC COM 018119107 278 217,251 SH   DFND   217,251 0 0
ALPHABET INC CAP STK CL C 02079K107 1,226 700 SH   DFND   700 0 0
ALTITUDE ACQUISITION CORP UNIT 11/30/2027 02156Y202 5,693 550,000 SH   DFND   550,000 0 0
AMAZON COM INC COM 023135106 1,303 400 SH   DFND   400 0 0
AMERICAN AIRLS GROUP INC NOTE 6.500% 7/0 02376RAF9 26,635 21,000,000 SH   DFND   21,000,000 0 0
AMERICAN TOWER CORP NEW COM 03027X100 1,481 6,600 SH   DFND   6,600 0 0
AMERICAS GOLD AND SILVER COR COM 03062D100 962 300,000 SH   DFND   300,000 0 0
AMERICOLD RLTY TR COM 03064D108 1,601 42,900 SH   DFND   42,900 0 0
APARTMENT INCOME REIT CORP COM 03750L109 3,448 89,778 SH   DFND   89,778 0 0
APTEVO THERAPEUTICS INC COM NEW 03835L207 1,666 45,462 SH   DFND   45,462 0 0
ARTIUS ACQUISITION INC COM CL A 04316G105 1,135 106,732 SH   DFND   106,732 0 0
ARTIUS ACQUISITION INC UNIT 99/99/9999 04316G204 3,932 349,850 SH   DFND   349,850 0 0
ATLAS CREST INVT CORP UNIT 99/99/9999 049284201 106 10,000 SH   DFND   10,000 0 0
AUTOZONE INC COM 053332102 2,371 2,000 SH   DFND   2,000 0 0
AVANTI ACQUISITION CORP SHS CL A G0682V109 10,280 1,000,000 SH   DFND   1,000,000 0 0
AVITA THERAPEUTICS INC COM 05380C102 296 15,954 SH   DFND   15,954 0 0
BARRICK GOLD CORP COM 067901108 2,165 95,000 SH   DFND   95,000 0 0
BELLICUM PHARMACEUTICALS INC COM NEW 079481404 350 99,103 SH   DFND   99,103 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 1,855 8,000 SH   DFND   8,000 0 0
BHP GROUP LTD SPONSORED ADS 088606108 1,307 20,000 SH   DFND   20,000 0 0
BIONANO GENOMICS INC COM 09075F107 77 25,000 SH   DFND   25,000 0 0
BK OF AMERICA CORP COM 060505104 1,516 50,000 SH   DFND   50,000 0 0
BRICKELL BIOTECH INC COM 10802T105 1,041 1,334,149 SH   DFND   1,334,149 0 0
BRISTOL-MYERS SQUIBB CO COM 110122108 249 360,700 SH   DFND   360,700 0 0
BROADSTONE ACQUISITION CORP SHS CL A G1739V100 1,005 100,000 SH   DFND   100,000 0 0
BROADSTONE ACQUISITION CORP UNIT 99/99/9999 G1739V118 2,263 215,689 SH   DFND   215,689 0 0
BROOKFIELD ASSET MGMT INC CL A LTD VT SH 112585104 2,610 63,249 SH   DFND   63,249 0 0
BURGUNDY TECHNOLOGY ACQU COR CL A G1702T116 521 50,000 SH   DFND   50,000 0 0
CALADRIUS BIOSCIENCES INC COM NEW 128058203 345 241,075 SH   DFND   241,075 0 0
CARNEY TECHNOLOGY ACQU CORP UNIT 12/10/2025 143636207 3,698 360,420 SH   DFND   360,420 0 0
CASTOR MARITIME INC SHS Y1146L109 914 4,940,217 SH   DFND   4,940,217 0 0
CATABASIS PHARMACEUTICALS IN COM NEW 14875P206 209 97,601 SH   DFND   97,601 0 0
CC NEUBERGER PRIN HLDGS II SHS CL A G3166T103 4,234 407,072 SH   DFND   407,072 0 0
CEDAR REALTY TRUST INC COM NEW 150602605 5,025 496,004 SH   DFND   496,004 0 0
CERBERUS TELECOM ACQUISITION UNIT 99/99/9999 G2040C112 267 25,000 SH   DFND   25,000 0 0
CF ACQUISITION CORP IV UNIT 12/31/2027 12520T201 5,145 500,000 SH   DFND   500,000 0 0
CF FIN ACQUISITION CORP III UNIT 09/30/2027 12529D207 6,051 563,900 SH   DFND   563,900 0 0
CHURCHILL CAPITAL CORP IV CL A 171439102 23,087 2,306,400 SH   DFND   2,306,400 0 0
CHURCHILL CAPITAL CORP IV UNIT 99/99/9999 171439201 9,815 952,958 SH   DFND   952,958 0 0
CHURCHILL CAPITAL CORP V UNIT 99/99/9999 17144T206 2,100 200,000 SH   DFND   200,000 0 0
CLEVER LEAVES HOLDINGS INC CALL 186760904 253 28,411 SH   DFND   28,411 0 0
CLPS INCORPORATION COM G31642104 249 81,814 SH   DFND   81,814 0 0
COCA COLA CO COM 191216100 1,645 30,000 SH   DFND   30,000 0 0
CODA OCTOPUS GROUP INC COM NEW 19188U206 176 28,016 SH   DFND   28,016 0 0
COHN ROBBINS HOLDINGS CORP COM CL A G23726105 3,565 342,472 SH   DFND   342,472 0 0
COHN ROBBINS HOLDINGS CORP UNIT 08/11/2025 G23726121 10,911 1,015,000 SH   DFND   1,015,000 0 0
CONX CORP UNIT 10/30/2027 212873202 9,980 955,000 SH   DFND   955,000 0 0
CORNER GROWTH ACQUISITION CO UNIT 01/01/2027 G2425N121 4,180 400,000 SH   DFND   400,000 0 0
CVS HEALTH CORP COM 126650100 1,708 25,000 SH   DFND   25,000 0 0
CYRUSONE INC COM 23283R100 1,536 21,000 SH   DFND   21,000 0 0
DUDDELL STREET ACQUISITN COR UNIT 10/21/2025 G28553124 2,668 250,000 SH   DFND   250,000 0 0
DUNE ACQUISITION CORP UNIT 10/29/2027 265334201 5,125 500,000 SH   DFND   500,000 0 0
ELANCO ANIMAL HEALTH INC COM 28414H103 1,534 50,000 SH   DFND   50,000 0 0
ENBRIDGE INC COM 29250N105 1,600 50,000 SH   DFND   50,000 0 0
ENTASIS THERAPEUTICS HLDGS I COM 293614103 229 92,626 SH   DFND   92,626 0 0
EQUITY DISTR ACQUISITION COR UNIT 99/99/9999 29465E205 11,239 1,055,339 SH   DFND   1,055,339 0 0
EXANTAS CAP CORP COM NEW 30068N105 1,476 370,000 SH   DFND   370,000 0 0
FACEBOOK INC CL A 30303M102 1,093 4,000 SH   DFND   4,000 0 0
FALCON CAPITAL ACQUISITN COR COM CL A 30606L108 1,054 100,000 SH   DFND   100,000 0 0
FEDERAL RLTY INVT TR SH BEN INT NEW 313747206 323 3,800 SH   DFND   3,800 0 0
FINTECH ACQUISITION CORP V UNIT 99/99/9999 31810Q305 3,468 325,000 SH   DFND   325,000 0 0
FRAZIER LIFESCIENCES ACQU CO UNIT 12/09/2025 G3710A121 260 25,000 SH   DFND   25,000 0 0
FUTURE FINTECH GROUP INC COM 36117V105 1,826 971,534 SH   DFND   971,534 0 0
GBS INC COM 36151G105 230 31,028 SH   DFND   31,028 0 0
GO ACQUISITION CORP COM 362019101 6,862 673,405 SH   DFND   673,405 0 0
GO ACQUISITION CORP UNIT 08/31/2027 362019200 16,844 1,584,590 SH   DFND   1,584,590 0 0
GOLDMAN SACHS GROUP INC COM 38141G104 1,582 6,000 SH   DFND   6,000 0 0
GRANITE REAL ESTATE INVT TR UNIT 99/99/9999 387437114 2,069 33,800 SH   DFND   33,800 0 0
GX ACQUISITION CORP COM CL A 36251A107 7,898 717,955 SH   DFND   717,955 0 0
HIGHLAND TRANSCEND PARTNERS UNIT 99/99/9999 G44690116 840 80,000 SH   DFND   80,000 0 0
HOST HOTELS & RESORTS INC COM 44107P104 746 51,000 SH   DFND   51,000 0 0
HOWARD HUGHES CORP COM 44267D107 2,052 26,000 SH   DFND   26,000 0 0
HUDSON PAC PPTYS INC COM 444097109 589 24,542 SH   DFND   24,542 0 0
INSPIREMD INC *W EXP 03/14/202 45779A135 85 250,000 SH   DFND   250,000 0 0
INSU ACQUISITION CORP III UNIT 12/31/2026 457817302 1,057 100,000 SH   DFND   100,000 0 0
INTEL CORP COM 458140100 51,066 1,025,000 SH Call DFND   1,025,000 0 0
INVESCO QQQ TR UNIT SER 1 46090E103 9,506 30,300 SH Put DFND   30,300 0 0
ISHARES TR U.S. REAL ES ETF 464287739 1,028 12,000 SH Put DFND   12,000 0 0
ISHARES TR IBOXX HI YD ETF 464288513 13,968 160,000 SH Put DFND   160,000 0 0
ISORAY INC COM 46489V104 87 193,180 SH   DFND   193,180 0 0
JAWS SPITFIRE ACQUISITION CO UNIT 99/99/9999 G50740128 1,086 98,300 SH   DFND   98,300 0 0
JOHNSON & JOHNSON COM 478160104 3,148 20,000 SH   DFND   20,000 0 0
JPMORGAN CHASE & CO COM 46625H100 1,271 10,000 SH   DFND   10,000 0 0
KINDRED BIOSCIENCES INC COM 494577109 247 57,277 SH   DFND   57,277 0 0
KINS TECHNOLOGY GROUP INC UNIT 10/14/2025 49714K208 5,145 500,000 SH   DFND   500,000 0 0
KIRKLAND LAKE GOLD LTD COM 49741E100 1,653 40,000 SH   DFND   40,000 0 0
LIGHTSPEED POS INC SUB VTG SHS 53227R106 2,695 30,000 SH Put DFND   30,000 0 0
LIQUIDIA CORPORATION COM NEW 53635D202 393 133,069 SH   DFND   133,069 0 0
LIXTE BIOTECHNOLOGY HLDGS IN COM 539319202 181 57,106 SH   DFND   57,106 0 0
MALACCA STRAITS ACQUISITION UNIT 99/99/9999 G5859B125 1,624 158,162 SH   DFND   158,162 0 0
MARQUEE RAINE ACQUISITION CO UNIT 12/01/2025 G58442115 1,625 150,000 SH   DFND   150,000 0 0
MATERIALISE NV SPONSORED ADS 57667T100 271 5,000 SH   DFND   5,000 0 0
MCDONALDS CORP COM 580135101 1,502 7,000 SH   DFND   7,000 0 0
MEDIGUS LTD *W EXP 07/23/202 58471G128 40 21,000 SH   DFND   21,000 0 0
MEDTRONIC PLC SHS G5960L103 1,171 10,000 SH   DFND   10,000 0 0
MERCK & CO. INC COM 58933Y105 1,227 15,000 SH   DFND   15,000 0 0
MICHAELS COS INC COM 59408Q106 1,431 110,000 SH   DFND   110,000 0 0
MICROCHIP TECHNOLOGY INC. COM 595017104 1,243 9,000 SH   DFND   9,000 0 0
MICROSOFT CORP COM 594918104 1,335 6,000 SH   DFND   6,000 0 0
MILESTONE PHARMACEUTICALS IN COM 59935V107 336 50,113 SH   DFND   50,113 0 0
MILLENDO THERAPEUTICS INC COM 60040X103 715 334,106 SH   DFND   334,106 0 0
MINERVA NEUROSCIENCES INC COM 603380106 163 69,535 SH   DFND   69,535 0 0
MODERNA INC COM 60770K107 25,177 241,000 SH Put DFND   241,000 0 0
MONEYGRAM INTL INC COM NEW 60935Y208 1,541 282,000 SH   DFND   282,000 0 0
MOTIVE CAPITAL CORP UNIT 99/99/9999 G6293A129 1,583 150,200 SH   DFND   150,200 0 0
MOVADO GROUP INC COM 624580106 716 43,109 SH   DFND   43,109 0 0
MUDRICK CAPITAL ACQU CORP II UNIT 99/99/9999 62477L206 7,733 750,000 SH   DFND   750,000 0 0
NANO X IMAGING LTD ORD SHS M70700105 228 5,000 SH   DFND   5,000 0 0
NANTKWEST INC COM 63016Q102 133 10,000 SH   DFND   10,000 0 0
NETSTREIT CORP COM 64119V303 1,930 99,000 SH   DFND   99,000 0 0
NEUROBO PHARMACEUTICALS INC COM 64132R107 239 45,489 SH   DFND   45,489 0 0
NEW SR INVT GROUP INC COM 648691103 1,331 257,000 SH   DFND   257,000 0 0
NUCANA PLC SPONSORED ADR 67022C106 313 69,632 SH   DFND   69,632 0 0
NUTRIEN LTD COM 67077M108 1,960 32,000 SH   DFND   32,000 0 0
PEBBLEBROOK HOTEL TR COM 70509V100 357 19,000 SH   DFND   19,000 0 0
PELOTON INTERACTIVE INC CL A COM 70614W100 1,517 10,000 SH Put DFND   10,000 0 0
PENUMBRA INC COM 70975L107 700 4,000 SH Put DFND   4,000 0 0
PHIO PHARMACEUTICALS CORP *W EXP 12/21/202 71880W105 232 86,299 SH   DFND   86,299 0 0
PPG INDS INC COM 693506107 1,442 10,000 SH   DFND   10,000 0 0
PROLOGIS INC. COM 74340W103 1,335 13,400 SH   DFND   13,400 0 0
PROPTECH INVESTMENT CORP II UNIT 99/99/9999 743497208 6,910 650,000 SH   DFND   650,000 0 0
QUDIAN INC ADR 747798106 98 70,940 SH   DFND   70,940 0 0
RAPT THERAPEUTICS INC COM 75382E109 217 10,971 SH   DFND   10,971 0 0
REALTY INCOME CORP COM 756109104 1,312 21,100 SH   DFND   21,100 0 0
RENALYTIX AI PLC ADS 75973T101 367 22,960 SH   DFND   22,960 0 0
REPRO MED SYS INC COM 759910102 429 71,233 SH   DFND   71,233 0 0
REVOLUTION ACCELERTN ACQU CO UNIT 12/01/2025 76156P205 1,041 100,000 SH   DFND   100,000 0 0
REWALK ROBOTICS LTD SHS M8216Q200 1,381 1,046,208 SH   DFND   1,046,208 0 0
RIGNET INC COM 766582100 2,577 437,600 SH   DFND   437,600 0 0
SANDBRIDGE ACQUISITION CORP COM CL A 799793104 1,012 99,500 SH   DFND   99,500 0 0
SCION TECH GROWTH I UNIT 12/17/2025 G31067120 3,509 340,000 SH   DFND   340,000 0 0
SEACOR MARINE HLDGS INC COM 78413P101 88 32,480 SH   DFND   32,480 0 0
SEANERGY MARITIME HLDGS CORP *W EXP 11/10/202 Y73760145 492 914,702 SH   DFND   914,702 0 0
SEANERGY MARITIME HLDGS CORP *W EXP 05/13/202 Y73760152 391 727,000 SH   DFND   727,000 0 0
SENIOR CONNECT ACQUISITN COR UNIT 12/09/2023 81723H207 4,631 450,000 SH   DFND   450,000 0 0
SIEBERT FINL CORP COM 826176109 210 49,896 SH   DFND   49,896 0 0
SIMON PPTY GROUP INC NEW COM 828806109 1,100 12,900 SH   DFND   12,900 0 0
SONIM TECHNOLOGIES INC COM 83548F101 97 133,483 SH   DFND   133,483 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 9,534 25,500 SH Put DFND   25,500 0 0
SPORTS ENTERTAINMENT ACQU CO UNIT 99/99/9999 84918M205 10,003 930,550 SH   DFND   930,550 0 0
SQUARE INC CL A 852234103 2,176 10,000 SH Put DFND   10,000 0 0
SUNLANDS TECHNOLOGY GROUP ADS 86740P108 578 530,000 SH   DFND   530,000 0 0
TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADS 874039100 1,636 15,000 SH   DFND   15,000 0 0
TAKE-TWO INTERACTIVE SOFTWAR COM 874054109 1,455 7,000 SH   DFND   7,000 0 0
TC ENERGY CORP COM 87807B107 1,928 47,400 SH   DFND   47,400 0 0
TECK RESOURCES LTD CL B 878742204 545 30,000 SH   DFND   30,000 0 0
TESLA INC COM 88160R101 4,234 6,000 SH Put DFND   6,000 0 0
TIGA ACQUISITION CORP UNIT 99/99/9999 G88672129 3,588 339,164 SH   DFND   339,164 0 0
TILRAY INC COM CL 2 88688T100 4,141 686,515 SH   DFND   686,515 0 0
TJX COS INC NEW COM 872540109 1,366 20,000 SH   DFND   20,000 0 0
TREPONT ACQUISITION CORP I UNIT 99/99/9999 G9095M119 4,148 400,000 SH   DFND   400,000 0 0
TUANCHE LTD ADS NEW 89856T203 154 46,100 SH   DFND   46,100 0 0
UNITED GUARDIAN INC COM 910571108 303 21,067 SH   DFND   21,067 0 0
VISA INC COM CL A 92826C839 1,312 6,000 SH   DFND   6,000 0 0
VY GLOBAL GROWTH UNIT 99/99/9999 G9444H126 1,345 125,000 SH   DFND   125,000 0 0
WAYFAIR INC CL A 94419L101 452 2,000 SH Put DFND   2,000 0 0
WELLS FARGO CO NEW COM 949746101 1,509 50,000 SH   DFND   50,000 0 0
WHOLE EARTH BRANDS INC COM CL A 96684W100 1,968 180,574 SH   DFND   180,574 0 0
ZANITE ACQUISITION CORP UNIT 10/08/2025 98907K202 5,786 550,000 SH   DFND   550,000 0 0
ZOOM VIDEO COMMUNICATIONS IN CL A 98980L101 843 2,500 SH Put DFND   2,500 0 0