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
AbbVie Inc. Common 00287Y109 324 3,000 SH   DFND 2 3,000 0 0
AbbVie Inc. Common 00287Y109 539 5,000 SH   DFND 1 5,000 0 0
Acceleron Pharma, Inc. Common 00434H108 172 1,000 SH   DFND 2 1,000 0 0
African Gold Acquistion Corp. Warrants Common G0112R124 5,175 450,000 SH   DFND 2 450,000 0 0
African Gold Acquistion Corp. Warrants Common G0112R124 155 13,500 SH   DFND 1 13,500 0 0
African Gold Acquistion Corp. Common G0112R108 175 18,000 SH   DFND 1 18,000 0 0
Alerian MLP Common 00162Q452 4 120 SH   DFND 1 120 0 0
Alimera Sciences, Inc. Common 016259202 162 38,226 SH   DFND 2 38,226 0 0
AllianceBernstein Holdings PL Unit Ltd. Common 01881G106 74 1,500 SH   DFND 1 1,500 0 0
AllianceBernstein Holdings PL Unit Ltd. Common 01881G106 2,429 49,000 SH   DFND 1 49,000 0 0
Alphabet Inc-Cl C Common 02079K107 14,926 5,600 SH   DFND 2 5,600 0 0
ALX Oncology Holdings Inc Common 01166B105 236 3,200 SH   DFND 2 3,200 0 0
American Outdoor Brands Common 028750109 25 1,024 SH   DFND 1 1,024 0 0
Apollo Global Management, Inc. Common 03768E105 15,398 250,000 SH   DFND 2 250,000 0 0
Apple Inc. Common 037833100 297 2,100 SH   DFND 1 2,100 0 0
ASLAN Pharmaceuticals Limited Common 04522R101 851 478,186 SH   DFND 2 478,186 0 0
AT&T Inc. Common 00206R102 3 125 SH   DFND 1 125 0 0
AT&T Inc. Common 00206R102 540 20,000 SH   DFND 1 20,000 0 0
Aurinia Pharmaceuticals Inc. Common 05156V102 1,392 62,896 SH   DFND 2 62,896 0 0
Avadel Pharmaceuticals plc Common 05337M104 2,958 301,864 SH   DFND 2 301,864 0 0
Bank Nova Scotia Halifax Common 064149107 25 400 SH   DFND 1 400 0 0
B. Riley Principal 150 Merger Corp. Common 05601V103 29 3,000 SH   DFND 1 3,000 0 0
B. Riley Principal 150 Merger Corp. Common 05601V103 1,686 172,963 SH   DFND 2 172,963 0 0
B. Riley Principal 150 Merger Corp. Common 05601V103 10 1,000 SH   DFND 1 1,000 0 0
B. Riley Principal 150 Merger Corp. Wts Common 05601V111 663 57,654 SH   DFND 2 57,654 0 0
B. Riley Principal 150 Merger Corp. Wts Common 05601V111 11 999 SH   DFND 1 999 0 0
B. Riley Principal 150 Merger Corp. Wts Common 05601V111 4 333 SH   DFND 1 333 0 0
B.Riley Principal 250 Merger Corp. Common 05602L104 3,395 350,000 SH   DFND 2 350,000 0 0
B.Riley Principal 250 Merger Corp. Wts. Common 05602L112 1,342 116,666 SH   DFND 2 116,666 0 0
Bristol-Myers Squibb Company Common 110122108 2,509 42,409 SH   DFND 2 42,409 0 0
Brookline Capital Acq Corp. Warrants Common 11374E112 23 2,000 SH   DFND 2 2,000 0 0
Brookline Capital Acquisition Corp. Common 11374E104 40 4,000 SH   DFND 2 4,000 0 0
Butterfly Network, Inc. Common 124155102 478 45,760 SH   DFND 2 45,760 0 0
Calumet Specialty Products Partners, LP Common 131476103 27,685 3,500,000 SH   DFND 2 3,500,000 0 0
Calumet Specialty Products Partners, LP Common 131476103 534 67,500 SH   DFND 1 67,500 0 0
Canadian Natural Resources Inc. Common 136385101 690 18,885 SH   DFND 1 18,885 0 0
Capitol Federal Common 14057J101 46 4,000 SH   DFND 1 4,000 0 0
Carparts.com Inc. Common 14427M107 58 3,700 SH   DFND 1 3,700 0 0
Cidara Therapeutics, Inc. Common 171757107 930 415,308 SH   DFND 2 415,308 0 0
Chemours Co. Common 163851108 14 480 SH   DFND 1 480 0 0
Chemours Co. Common 163851108 13 440 SH   DFND 1 440 0 0
Coca Cola Common 191216100 304 5,800 SH   DFND 1 5,800 0 0
Coca Cola Common 191216100 399 7,600 SH   DFND 1 7,600 0 0
Codexis, Inc. Common 192005106 233 10,000 SH   DFND 2 10,000 0 0
Coherus Biosciences, Inc. Common 19249H103 1,648 102,555 SH   DFND 2 102,555 0 0
Coliseum Acquisition Corp Common G2263T123 9,563 984,835 SH   DFND 2 984,835 0 0
Coliseum Acquisition Corp. Wts Common G2263T107 5,693 495,000 SH   DFND 2 495,000 0 0
Colombier Acquisition Corp. Common 19533H108 774 80,000 SH   DFND 2 80,000 0 0
Colombier Acquisition Corp. Wts. Common 19533H116 307 26,666 SH   DFND 2 26,666 0 0
Conagra Brands Common 205887102 339 10,000 SH   DFND 1 10,000 0 0
Corteva Inc. Common 22052L104 43 1,024 SH   DFND 1 1,024 0 0
Corteva Inc. Common 22052L104 465 11,051 SH   DFND 1 11,051 0 0
CRISPR Therapeutics AG Common H17182108 224 2,000 SH   DFND 2 2,000 0 0
CTI BioPharma Corp. Common 12648L601 177 60,000 SH   DFND 2 60,000 0 0
Curis, Inc. Common 231269200 78 10,000 SH   DFND 2 10,000 0 0
Danimer Scientific, Inc. Common 236272100 3,268 200,000 SH   DFND 2 200,000 0 0
Digital Bridge Group Common 25401T108 66 11,000 SH   DFND 1 11,000 0 0
Digital Bridge Group Common 25401T108 9 1,466 SH   DFND 1 1,466 0 0
Dow Inc. Common 260557103 88 1,536 SH   DFND 1 1,536 0 0
Dow Inc. Common 260557103 612 10,624 SH   DFND 1 10,624 0 0
Dupont De Nemours Inc. Common 26614N102 104 1,536 SH   DFND 1 1,536 0 0
Dupont De Nemours Inc. Common 26614N102 722 10,624 SH   DFND 1 10,624 0 0
Doma Holdings, Inc. - Warrants Common 25703A112 958 83,333 SH   DFND 2 83,333 0 0
Eagle Materials Common 26969P108 30 228 SH   DFND 1 228 0 0
Eastern Bankshares Inc Common 27627N105 3,857 190,000 SH   DFND 2 190,000 0 0
Eiger BioPharmaceuticals, Inc. Common 28249U105 2,087 312,492 SH   DFND 2 312,492 0 0
Eli Lilly Inc. Common 532457108 69 300 SH   DFND 1 300 0 0
Facebook Inc. Common 30303M102 336 990 SH   DFND 1 990 0 0
FNB Bancorp Common 302520101 103 8,905 SH   DFND 1 8,905 0 0
Fortress Trans & Infrastructure Inv. LLC Common 34960P101 12,632 497,700 SH   DFND 2 497,700 0 0
FS Bancorp Common 30263Y104 152 4,380 SH   DFND 1 4,380 0 0
FS Bancorp Common 30263Y104 101 2,920 SH   DFND 1 2,920 0 0
FS KKR Capital Corp. Common 302635206 3,408 154,650 SH   DFND 2 154,650 0 0
FS KKR Capital Corp. Common 302635206 354 16,050 SH   DFND 1 16,050 0 0
FS KKR Capital Corp. Common 302635206 642 29,125 SH   DFND 1 29,125 0 0
Galapagos NV Common 36315X101 105 2,000 SH   DFND 2 2,000 0 0
Gilead Sciences, Inc. Common 375558103 1,081 15,481 SH   DFND 2 15,481 0 0
General Electric Common 369604103 31 300 SH   DFND 1 300 0 0
General Electric Common 369604103 15 150 SH   DFND 1 150 0 0
Glass Houses Acquisition Corp. Common 37714P103 4,890 500,000 SH   DFND 2 500,000 0 0
Glass Houses Acquisition Corp. Warrants Common 37714P111 2,875 250,000 SH   DFND 2 250,000 0 0
Globus Medical, Inc. Common 379577208 355 4,631 SH   DFND 2 4,631 0 0
Greenidge Generation Holdings Inc. Common 39531G100 5,721 224,000 SH   DFND 2 224,000 0 0
Greenidge Generation Holdings Inc. Common 39531G950 75 2,937 SH Put DFND 2 2,937 0 0
Greenidge Generation Holdings Inc. Common 39531G950 932 36,487 SH Put DFND 2 36,487 0 0
Greenidge Generation Holdings Inc. Common 39531G950 431 16,885 SH Put DFND 2 16,885 0 0
Greenidge Generation Holdings Inc. Common 39531G950 281 11,000 SH Put DFND 2 11,000 0 0
Greenidge Generation Holdings Inc. Common 39531G950 562 22,000 SH Put DFND 2 22,000 0 0
Greenidge Generation Holdings Inc. Common 39531G950 140 5,500 SH Put DFND 2 5,500 0 0
Greenidge Generation Holdings Inc. Common 39531G950 6,385 250,000 SH Put DFND 2 250,000 0 0
Greenidge Generation Holdings Inc. Common 39531G950 2,656 104,000 SH Put DFND 2 104,000 0 0
HealthCor Catalio Acquisition Corp. Common G44125105 40 4,000 SH   DFND 2 4,000 0 0
Heritiage NOLA Bancorp Common 42727P108 139 9,000 SH   DFND 1 9,000 0 0
Horizon Acquistion Corporation Common G46049105 2,097 210,100 SH   DFND 2 210,100 0 0
Horizon Therapeutics Public Ltd. Company Common G46188101 2,191 20,000 SH   DFND 2 20,000 0 0
Ibere Pharmaceuticals Common G46843101 349 36,000 SH   DFND 2 36,000 0 0
Ibere Pharmaceuticals Warrants Common G46843119 207 18,000 SH   DFND 2 18,000 0 0
Immunovant Inc. Common 45258J102 370 42,600 SH   DFND 2 42,600 0 0
Incyte Corporation Common 45337C102 1,821 26,475 SH   DFND 2 26,475 0 0
Independence Holdings Common G4761A101 93 9,500 SH   DFND 1 9,500 0 0
Independence Holdings Warrants Common G4761A127 22 1,900 SH   DFND 1 1,900 0 0
Innoviva, Inc. Common 45781M101 1,926 115,269 SH   DFND 2 115,269 0 0
Interantional Gaming Technologies Common G4863A108 79 3,000 SH   DFND 1 3,000 0 0
Interantional Gaming Technologies Common G4863A108 197 7,500 SH   DFND 1 7,500 0 0
Iovance Biotherapeutics, Inc. Common 462260100 99 4,000 SH   DFND 2 4,000 0 0
Johnson & Johnson Common 478160104 840 5,200 SH   DFND 1 5,200 0 0
JP Morgan Chase Common 46625H100 2,000 12,220 SH   DFND 1 12,220 0 0
JP Morgan Chase Common 46625H100 740 4,520 SH   DFND 1 4,520 0 0
Jumia Technologies AG Common 48138M105 182 9,800 SH   DFND 1 9,800 0 0
Kadmon Holdings, Inc. Common 48283N106 8,618 989,450 SH   DFND 2 989,450 0 0
Kairos Acquisition Corp. Common G52110114 3,200 330,963 SH   DFND 2 330,963 0 0
Kairos Acquisition Corp. Common G52110114 140 14,500 SH   DFND 1 14,500 0 0
Kairos Acquisition Corp. Warrants Common G52110106 1,602 139,278 SH   DFND 2 139,278 0 0
Kairos Acquisition Corp. Warrants Common G52110106 83 7,250 SH   DFND 1 7,250 0 0
Kennedy-Wilson Holdings, Inc. Common 489398107 4,393 210,000 SH   DFND 2 210,000 0 0
Kimberly Clark Corporation Common 494368103 795 6,000 SH   DFND 1 6,000 0 0
KKR & Co. Inc. Common 48251W104 3,044 50,000 SH   DFND 2 50,000 0 0
Legacy Housing Corporation Common 52472M101 90 5,000 SH   DFND 1 5,000 0 0
Legacy Housing Corporation Common 52472M101 72 4,000 SH   DFND 1 4,000 0 0
Ligand Pharmaceuticals Incorporated Common 53220K504 10,449 75,000 SH   DFND 2 75,000 0 0
Live Oak Mobility Aquisition Corp. Common 538126103 3,483 360,152 SH   DFND 2 360,152 0 0
Live Oak Mobility Aquisition Corp. Wts Common 538126111 828 72,030 SH   DFND 2 72,030 0 0
Longview Acquisition Corp II Common 54319Q105 632 63,900 SH   DFND 2 63,900 0 0
Longview Acquisition Corp II Warrants Common 54319Q113 147 12,780 SH   DFND 2 12,780 0 0
Marinus Pharmaceuticals, Inc. Common 56854Q200 924 81,166 SH   DFND 2 81,166 0 0
Macquire Infrastructure Corp Common 556088105 142 3,500 SH   DFND 1 3,500 0 0
Macquire Infrastructure Corp Common 556088105 400 9,850 SH   DFND 1 9,850 0 0
Medicus Science Acquisition, Corp. Common G5960S108 1,950 200,000 SH   DFND 2 200,000 0 0
Medicus Science Acquisition, Corp. Wts Common G5960S124 256 22,222 SH   DFND 2 22,222 0 0
Merck & Co. Inc. Common 58933Y105 73 975 SH   DFND 1 975 0 0
Merck & Co. Inc. Common 58933Y105 38 500 SH   DFND 1 500 0 0
Medtronics Common G5960L103 132 1,050 SH   DFND 1 1,050 0 0
Microsoft Corporation Common 594918104 113 400 SH   DFND 1 400 0 0
Microsoft Corporation Common 594918104 282 1,000 SH   DFND 1 1,000 0 0
Midwest Holding Inc. Common 59833J206 6,613 170,000 SH   DFND 2 170,000 0 0
Mondelez Int'l Inc. Common 609207105 175 3,000 SH   DFND 1 3,000 0 0
Mondelez Int'l Inc. Common 609207105 756 13,000 SH   DFND 1 13,000 0 0
Occidental Pete Corp Common 674599105 33 1,114 SH   DFND 1 1,114 0 0
Occidental Pete Corp Common 674599105 20 687 SH   DFND 1 687 0 0
Occidental Pete Corp Wts exp 8/3/27 Common 674599162 5 212 SH   DFND 1 212 0 0
Occidental Pete Corp Wts exp 8/3/27 Common 674599162 2 85 SH   DFND 1 85 0 0
Organon & Co. Common 68622V106 3 97 SH   DFND 1 97 0 0
Organon & Co. Common 68622V106 2 50 SH   DFND 1 50 0 0
Peoples United Financial Common 712704105 26 1,500 SH   DFND 1 1,500 0 0
Pfizer Inc. Common 717081103 1,372 31,900 SH   DFND 1 31,900 0 0
Pfizer Inc. Common 717081103 3,553 82,600 SH   DFND 1 82,600 0 0
Poseida Therapeutics, Inc. Common 73730P108 216 29,566 SH   DFND 2 29,566 0 0
Protara Therapeutics, Inc. Common 74365U107 252 36,479 SH   DFND 2 36,479 0 0
Quotient Technology Inc. Common 749119103 728 125,000 SH   DFND 2 125,000 0 0
Regeneron Pharmaceuticals, Inc. Common 75886F107 3,631 6,000 SH   DFND 2 6,000 0 0
Relmada Therapeutics, Inc. Common 75955J402 157 6,000 SH   DFND 2 6,000 0 0
Roth CH Acquisition III Co. Common 77867Q102 994 100,000 SH   DFND 2 100,000 0 0
Roth CH Acquisition III Co. Warrants Common 77867Q110 288 25,000 SH   DFND 2 25,000 0 0
RMR Group Inc. Common 74967R106 1 16 SH   DFND 1 16 0 0
Ryman Hospitality Ppty Inc Common 78377T107 33 400 SH   DFND 1 400 0 0
Ryman Hospitality Ppty Inc Common 78377T107 1,004 12,000 SH   DFND 1 12,000 0 0
Sailpoint Technologies Common 78781P105 73 1,700 SH   DFND 1 1,700 0 0
Schmitt Industries Common 806870200 11 2,500 SH   DFND 1 2,500 0 0
Sculptor Capital Management Common 811246107 6 200 SH   DFND 1 200 0 0
Seelos Therapeutics, Inc. Common 81577F109 174 72,367 SH   DFND 2 72,367 0 0
Service Ppty Trust Common 81761L102 11 1,000 SH   DFND 1 1,000 0 0
Sio Gene Therapies, Inc. Common 829399104 174 80,000 SH   DFND 2 80,000 0 0
Smith & Wesson Brands Common 831754106 85 4,097 SH   DFND 1 4,097 0 0
South Street Corporation Common 840441109 120 1,601 SH   DFND 1 1,601 0 0
South Street Corporation Common 840441109 40 534 SH   DFND 1 534 0 0
SPDR S&P Biotech ETF Common 78464A870 101 800 SH   DFND 2 800 0 0
Starwood Ppty Common 85571B105 10 400 SH   DFND 1 400 0 0
Tastemaker Acquisition Corp. Common 876545104 1,972 200,000 SH   DFND 2 200,000 0 0
Tastemaker Acquisition Corp. Warrants Common 876545112 1,150 100,000 SH   DFND 2 100,000 0 0
Tempest Therapeutics, Inc. Common 879784108 78 5,359 SH   DFND 2 5,359 0 0
TG Therapeutics, Inc. Common 88322Q108 1,650 49,592 SH   DFND 2 49,592 0 0
The Kraft Company Common 500754106 101 2,732 SH   DFND 1 2,732 0 0
Total SA Common 89151E109 96 2,000 SH   DFND 1 2,000 0 0
Total SA Common 89151E109 24 500 SH   DFND 1 500 0 0
T-Mobil US Inc. Common 872590104 89 700 SH   DFND 1 700 0 0
Trillium Therapeutics Inc. Common 89620X506 3,489 198,699 SH   DFND 2 198,699 0 0
Twelve Seas Investment Company II Common 90118T106 4,858 500,000 SH   DFND 2 500,000 0 0
Twelve Seas Investment Company II Common 90118T106 146 15,000 SH   DFND 1 15,000 0 0
Twelve Seas Investment Company II Warrants Common 90118T114 1,917 166,666 SH   DFND 2 166,666 0 0
Twelve Seas Investment Company II Warrants Common 90118T114 58 5,000 SH   DFND 1 5,000 0 0
uniQure N.V. Common N90064101 1,497 46,766 SH   DFND 2 46,766 0 0
United Therapeutics Corporation Common 91307C102 2,824 15,300 SH   DFND 2 15,300 0 0
UP Fintech Holdings Common 91531W106 145 13,736 SH   DFND 1 13,736 0 0
Upland Software, Inc. Common 91544A109 10,032 300,000 SH   DFND 2 300,000 0 0
Valley National Bancorp Common 919794107 128 9,600 SH   DFND 1 9,600 0 0
Valley National Bancorp Common 919794107 43 3,200 SH   DFND 1 3,200 0 0
Verizon Communications Common 92343V104 54 1,000 SH   DFND 1 1,000 0 0
Verizon Communications Common 92343V104 918 16,991 SH   DFND 1 16,991 0 0
Viking Therapeutics, Inc. Common 92686J106 1,307 208,102 SH   DFND 2 208,102 0 0
WABTEC Common 929740108 1 11 SH   DFND 1 11 0 0
WABTEC Common 929740108 1 6 SH   DFND 1 6 0 0
WP Carey Common 92936U109 438 6,000 SH   DFND 1 6,000 0 0
Warrior Technologies Acquisition Comp Wt Common 936273119 144 12,500 SH   DFND 2 12,500 0 0
Warrior Technologies Acquisition Company Common 936273101 245 25,000 SH   DFND 2 25,000 0 0
Xenon Pharmaceuticals Inc. Common 98420N105 1,444 94,488 SH   DFND 2 94,488 0 0
Zogenix, Inc. Common 98978L204 1,894 124,688 SH   DFND 2 124,688 0 0
Zymeworks Inc. Common 98985W102 116 4,000 SH   DFND 2 4,000 0 0