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
5 01 ACQUISITION CORP COM CL A 33836P105 1,819 185,213 SH   SOLE   185,213 0 0
ACADIA PHARMACEUTICALS INC COM 004225108 4,983 300,000 SH Call SOLE   300,000 0 0
ACER THERAPEUTICS INC COM 00444P108 2,340 914,197 SH   SOLE   914,197 0 0
ADICET BIO INC COM 007002108 2,435 310,540 SH   SOLE   310,540 0 0
AEGLEA BIOTHERAPEUTICS INC COM 00773J103 12,060 1,516,955 SH   SOLE   1,516,955 0 0
AKEBIA THERAPEUTICS INC COM 00972D105 14,337 4,978,195 SH   SOLE   4,978,195 0 0
AKUMIN INC COM 01021F109 15,675 6,320,740 SH   SOLE   6,320,740 0 0
ALTA EQUIPMENT GROUP INC COMMON STOCK 02128L106 26,638 1,940,082 SH   SOLE   1,940,082 0 0
ANGION BIOMEDICA CORP COM 03476J107 1,158 118,521 SH   SOLE   118,521 0 0
APOLLO ENDOSURGERY INC COM 03767D108 22,780 2,514,328 SH   SOLE   2,514,328 0 0
APTOSE BIOSCIENCES INC COM NEW 03835T200 16,035 7,355,730 SH   SOLE   7,355,730 0 0
ARYA SCIENCES ACQU CORP IV CL A G31659108 4,012 399,248 SH   SOLE   399,248 0 0
ARYA SCIENCES ACQUISITN CORP CLASS A ORD SHS G31658100 9,880 1,000,000 SH   SOLE   1,000,000 0 0
ATHENA TECHNOLOGY ACQUISI CO COM CLASS A 04687A109 4,959 499,586 SH   SOLE   499,586 0 0
AUTOLUS THERAPEUTICS PLC SPON ADS 05280R100 19,236 2,936,791 SH   SOLE   2,936,791 0 0
AVALO THERAPEUTICS INC COM 05338F108 15,156 6,952,401 SH   SOLE   6,952,401 0 0
AVENUE THERAPEUTICS INC COM NEW 05360L205 45 30,211 SH   SOLE   30,211 0 0
AVIS BUDGET GROUP COM 053774105 64,081 550,000 SH Put SOLE   550,000 0 0
B RILEY PRINCIPAL 150 MERGER UNIT 99/99/9999 05601V202 3,754 375,000 SH   SOLE   375,000 0 0
B. RILEY FINANCIAL INC COM 05580M108 5,535 93,757 SH   SOLE   93,757 0 0
BBQ HLDGS INC COM 05551A109 15,090 1,000,000 SH   SOLE   1,000,000 0 0
CARIBOU BIOSCIENCES INC COM 142038108 1,347 56,418 SH   SOLE   56,418 0 0
CARVANA CO CL A 146869102 61,424 203,700 SH Call SOLE   203,700 0 0
CATALYST BIOSCIENCES INC COM NEW 14888D208 9,996 2,432,212 SH   SOLE   2,432,212 0 0
CODEXIS INC COM 192005106 87,207 3,749,241 SH   SOLE   3,749,241 0 0
CUE BIOPHARMA INC COM 22978P106 37,461 2,571,082 SH   SOLE   2,571,082 0 0
CURIS INC COM NEW 231269200 19,279 2,462,248 SH   SOLE   2,462,248 0 0
CYREN LTD SHS M26895108 95 152,393 SH   SOLE   152,393 0 0
DARIOHEALTH CORP COM NEW 23725P209 14,518 1,063,515 SH   SOLE   1,063,515 0 0
DHI GROUP INC COM 23331S100 16,068 3,375,606 SH   SOLE   3,375,606 0 0
DOVER MOTORSPORTS INC COM 260174107 6,258 2,586,043 SH   SOLE   2,586,043 0 0
DXP ENTERPRISES INC COM NEW 233377407 34,769 1,175,806 SH   SOLE   1,175,806 0 0
ELOXX PHARMACEUTICALS INC COM 29014R103 1,971 1,209,338 SH   SOLE   1,209,338 0 0
ESTABLISHMENT LABS HLDGS INC COM G31249108 147,243 2,057,039 SH   SOLE   2,057,039 0 0
EXACT SCIENCES CORP COM 30063P105 14,318 150,000 SH Put SOLE   150,000 0 0
EXAGEN INC COM 30068X103 2,878 211,616 SH   SOLE   211,616 0 0
FALCON MINERALS CORP CL A COM 30607B109 11,726 2,494,913 SH   SOLE   2,494,913 0 0
FALCON MINERALS CORP *W EXP 07/21/202 30607B208 127 878,022 SH   SOLE   878,022 0 0
FARADAY FUTRE INTLGT ELCTR I COM 307359109 3,304 350,000 SH   SOLE   350,000 0 0
FINTECH ACQUISITION CORP V COM CL A 31810Q107 10,043 991,432 SH   SOLE   991,432 0 0
FINTECH ACQUISITION CORP V *W EXP 12/31/202 31810Q115 697 333,331 SH   SOLE   333,331 0 0
FINTECH ACQUISITION CORP VI UNIT 06/24/2026 31811H205 10,000 1,000,000 SH   SOLE   1,000,000 0 0
FORTRESS BIOTECH INC COM 34960Q109 26,213 8,140,794 SH   SOLE   8,140,794 0 0
FTAC HERA ACQUISITION CORP *W EXP 02/28/202 G3728Y111 257 249,997 SH   SOLE   249,997 0 0
FTAC HERA ACQUISITION CORP CLASS A ORD SHS G3728Y103 9,740 999,991 SH   SOLE   999,991 0 0
GALMED PHARMACEUTICALS LTD SHS M47238106 1,045 374,730 SH   SOLE   374,730 0 0
GOLDEN ENTMT INC COM 381013101 44,242 901,237 SH   SOLE   901,237 0 0
GUARDFORCE AI CO LTD SHS NEW G4236L112 2,111 533,128 SH   SOLE   533,128 0 0
GUARDFORCE AI CO LTD *W EXP 09/01/202 G4236L120 480 600,000 SH   SOLE   600,000 0 0
HARPOON THERAPEUTICS INC COM 41358P106 3,306 418,483 SH   SOLE   418,483 0 0
HCA HEALTHCARE INC COM 40412C101 8,641 35,600 SH   SOLE   35,600 0 0
HEALTHCOR CATALIO ACQU CORP CL A SHS G44125105 3,508 354,296 SH   SOLE   354,296 0 0
HERBALIFE NUTRITION LTD COM SHS G4412G101 11,782 278,000 SH Call SOLE   278,000 0 0
HOOKIPA PHARMA INC COM 43906K100 2,918 495,388 SH   SOLE   495,388 0 0
HTG MOLECULAR DIAGNOSTICS IN COM NEW 40434H203 1,982 347,171 SH   SOLE   347,171 0 0
IDW MEDIA HLDGS INC CL B 44951N106 3,528 1,242,243 SH   SOLE   1,242,243 0 0
IMAC HLDGS INC COM 44967K104 3,573 2,414,310 SH   SOLE   2,414,310 0 0
IMAX CORP COM 45245E109 34,164 1,800,000 SH Call SOLE   1,800,000 0 0
IMAX CORP COM 45245E109 53,457 2,816,492 SH   SOLE   2,816,492 0 0
IMMATICS N.V SHS N44445109 34,417 2,647,449 SH   SOLE   2,647,449 0 0
IMMATICS N.V *W EXP 07/01/202 N44445117 958 226,471 SH   SOLE   226,471 0 0
IMV INC COM 44974L103 3,765 2,268,030 SH   SOLE   2,268,030 0 0
IN8BIO INC COM 45674E109 2,569 375,000 SH   SOLE   375,000 0 0
INSU ACQUISITION CORP III *W EXP 12/31/202 457817112 292 333,332 SH   SOLE   333,332 0 0
INSU ACQUISITION CORP III COM CL A 457817104 9,820 999,996 SH   SOLE   999,996 0 0
INTERNATIONAL MNY EXPRESS IN COM 46005L101 25,612 1,533,660 SH   SOLE   1,533,660 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 481,250 2,200,000 SH Put SOLE   2,200,000 0 0
ISHARES TR 20 YR TR BD ETF 464287432 86,592 600,000 SH Put SOLE   600,000 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 21,786 99,593 SH   SOLE   99,593 0 0
KEROS THERAPEUTICS INC COM 492327101 30,081 760,383 SH   SOLE   760,383 0 0
KINTARA THERAPEUTICS INC COM 49720K101 582 663,279 SH   SOLE   663,279 0 0
KIRKLANDS INC COM 497498105 2,545 132,500 SH Put SOLE   132,500 0 0
LAVA THERAPEUTICS NV SHS N51517105 2,186 369,290 SH   SOLE   369,290 0 0
LINCOLN EDL SVCS CORP COM 533535100 9,598 1,434,674 SH   SOLE   1,434,674 0 0
LUXFER HOLDINGS PLC SHS G5698W116 41,473 2,112,728 SH   SOLE   2,112,728 0 0
MERCK & CO INC COM 58933Y105 45,066 600,000 SH Call SOLE   600,000 0 0
MERRIMACK PHARMACEUTICALS IN COM NEW 590328209 2,753 569,971 SH   SOLE   569,971 0 0
META FINL GROUP INC COM 59100U108 60,420 1,151,305 SH   SOLE   1,151,305 0 0
METROMILE INC COM 591697107 6,746 1,900,177 SH   SOLE   1,900,177 0 0
METROMILE INC *W EXP 02/09/202 591697115 475 558,296 SH   SOLE   558,296 0 0
MILLER HERMAN INC COM 600544100 55,314 1,468,766 SH   SOLE   1,468,766 0 0
NAUTILUS BIOTECHNOLOGY INC COM 63909J108 6,412 1,044,267 SH   SOLE   1,044,267 0 0
NEUROPACE INC COM 641288105 2,245 141,641 SH   SOLE   141,641 0 0
PAR TECHNOLOGY CORP NOTE 2.875% 4/1 698884AC7 9,829 6,000,000 PRN   SOLE   6,000,000 0 0
PARTY CITY HOLDCO INC COM 702149105 7,100 1,000,000 SH Call SOLE   1,000,000 0 0
PAYA HOLDINGS INC COM CL A 70434P103 16,100 1,481,096 SH   SOLE   1,481,096 0 0
PAYONEER GLOBAL INC COM 70451X104 5,602 655,169 SH   SOLE   655,169 0 0
PELOTON INTERACTIVE INC CL A COM 70614W100 17,410 200,000 SH Call SOLE   200,000 0 0
PERELLA WEINBERG PARTNERS CLASS A COM 71367G102 6,370 480,784 SH   SOLE   480,784 0 0
PERELLA WEINBERG PARTNERS *W EXP 12/31/202 71367G110 1,264 400,000 SH   SOLE   400,000 0 0
QAD INC CL A 74727D306 80,989 926,756 SH   SOLE   926,756 0 0
READING INTL INC CL A 755408101 17,560 3,470,315 SH   SOLE   3,470,315 0 0
RED VIOLET INC COM 75704L104 25,810 1,000,000 SH   SOLE   1,000,000 0 0
REGIS CORP MINN COM 758932107 53 15,268 SH   SOLE   15,268 0 0
REGIS CORP MINN COM 758932107 1,740 500,000 SH Put SOLE   500,000 0 0
RMR GROUP INC CL A 74967R106 20,965 626,751 SH   SOLE   626,751 0 0
ROTH CH ACQUISITION III CO *W EXP 02/26/202 77867Q110 128 99,749 SH   SOLE   99,749 0 0
RYMAN HOSPITALITY PPTYS INC COM 78377T107 25,110 300,000 SH Put SOLE   300,000 0 0
SCIENTIFIC GAMES CORP COM 80874P109 1,730 20,827 SH   SOLE   20,827 0 0
SCIENTIFIC GAMES CORP COM 80874P109 129,531 1,559,300 SH Call SOLE   1,559,300 0 0
SCULLY ROYALTY LTD COM SHS G7T96K107 8,540 752,434 SH   SOLE   752,434 0 0
SEMLER SCIENTIFIC INC COM 81684M104 18,182 145,419 SH   SOLE   145,419 0 0
SHIFT TECHNOLOGIES INC CL A 82452T107 31,051 4,474,220 SH   SOLE   4,474,220 0 0
SILVERBACK THERAPEUTICS INC COM 82835W108 12,242 1,226,631 SH   SOLE   1,226,631 0 0
SOLENO THERAPEUTICS INC COM NEW 834203200 9,028 9,765,129 SH   SOLE   9,765,129 0 0
SPDR SER TR S&P BIOTECH 78464A870 62,855 500,000 SH Put SOLE   500,000 0 0
STRATA SKIN SCIENCES INC COM NEW 86272A206 8,419 4,575,812 SH   SOLE   4,575,812 0 0
SYNDAX PHARMACEUTICALS INC COM 87164F105 50,778 2,657,159 SH   SOLE   2,657,159 0 0
TANGO THERAPEUTICS INC COM 87583X109 1,293 100,000 SH   SOLE   100,000 0 0
TAYSHA GENE THERAPIES INC COM SHS 877619106 23,262 1,249,309 SH   SOLE   1,249,309 0 0
TELADOC HEALTH INC COM 87918A105 12,681 100,000 SH Put SOLE   100,000 0 0
TELIGENT INC NEW COM NEW 87960W203 207 525,952 SH   SOLE   525,952 0 0
TENET HEALTHCARE CORP COM NEW 88033G407 58,195 875,900 SH Call SOLE   875,900 0 0
TFF PHARMACEUTICALS INC COM 87241J104 2,093 271,067 SH   SOLE   271,067 0 0
TMC THE METALS COMPANY INC COM 87261Y106 3,199 700,000 SH   SOLE   700,000 0 0
TRANSACT TECHNOLOGIES INC COM 892918103 1,065 76,583 SH   SOLE   76,583 0 0
TRAVEL PLUS LEISURE CO COM 894164102 54,530 1,000,000 SH Call SOLE   1,000,000 0 0
TRAVEL PLUS LEISURE CO COM 894164102 50,838 932,294 SH   SOLE   932,294 0 0
TRAVELCENTERS OF AMERICA INC COM NEW 89421B109 63,361 1,272,570 SH   SOLE   1,272,570 0 0
UNICYCIVE THERAPEUTICS INC COM 90466Y103 1,981 700,000 SH   SOLE   700,000 0 0
UNIQURE NV SHS N90064101 56,313 1,759,218 SH   SOLE   1,759,218 0 0
UNIQURE NV SHS N90064101 67,410 2,105,900 SH Call SOLE   2,105,900 0 0
VIEMED HEALTHCARE INC COM 92663R105 7,954 1,433,201 SH   SOLE   1,433,201 0 0
VIRGIN GALACTIC HOLDINGS INC COM 92766K106 10,120 400,000 SH Call SOLE   400,000 0 0
VONAGE HLDGS CORP COM 92886T201 47,752 2,962,298 SH   SOLE   2,962,298 0 0
VONAGE HLDGS CORP COM 92886T201 20,150 1,250,000 SH Call SOLE   1,250,000 0 0
WAVE LIFE SCIENCES LTD SHS Y95308105 4,871 994,131 SH   SOLE   994,131 0 0
WAYFAIR INC CL A 94419L101 206,375 807,700 SH Call SOLE   807,700 0 0
ZOGENIX INC COM NEW 98978L204 7,318 481,782 SH   SOLE   481,782 0 0
ZOVIO INC COM 98979V102 7,173 3,001,190 SH   SOLE   3,001,190 0 0