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 1,600 162,430 SH   SOLE   162,430 0 0
ACER THERAPEUTICS INC COM 00444P108 2,256 777,820 SH   SOLE   777,820 0 0
ADTALEM GLOBAL ED INC COM 00737L103 14,855 500,000 SH Put SOLE   500,000 0 0
AEGLEA BIOTHERAPEUTICS INC COM 00773J103 7,361 3,200,593 SH   SOLE   3,200,593 0 0
AKEBIA THERAPEUTICS INC COM 00972D105 693 965,800 SH Call SOLE   965,800 0 0
AKUMIN INC COM 01021F109 6,193 5,578,992 SH   SOLE   5,578,992 0 0
ALECTOR INC COM 014442107 1,351 94,779 SH   SOLE   94,779 0 0
ALTA EQUIPMENT GROUP INC COMMON STOCK 02128L106 22,330 1,806,607 SH   SOLE   1,806,607 0 0
AMPHASTAR PHARMACEUTICALS IN COM 03209R103 35,900 1,000,000 SH Put SOLE   1,000,000 0 0
AMRYT PHARMA PLC SPONSORED ADS 03217L106 8,862 1,071,536 SH   SOLE   1,071,536 0 0
ANGION BIOMEDICA CORP COM 03476J107 2,487 1,173,162 SH   SOLE   1,173,162 0 0
APOLLO ENDOSURGERY INC COM 03767D108 22,536 3,724,899 SH   SOLE   3,724,899 0 0
APTOSE BIOSCIENCES INC COM NEW 03835T200 9,958 7,322,189 SH   SOLE   7,322,189 0 0
ARYA SCIENCES ACQU CORP IV CL A G31659108 3,193 325,848 SH   SOLE   325,848 0 0
ARYA SCIENCES ACQUISITN CORP CLASS A ORD SHS G31658100 8,423 865,633 SH   SOLE   865,633 0 0
AURA BIOSCIENCES INC COM 05153U107 6,644 301,990 SH   SOLE   301,990 0 0
AUTOLUS THERAPEUTICS PLC SPON ADS 05280R100 18,124 4,346,327 SH   SOLE   4,346,327 0 0
AVALO THERAPEUTICS INC COM 05338F108 4,804 6,849,547 SH   SOLE   6,849,547 0 0
B RILEY PRINCIPAL 150 MERGER *W EXP 03/01/202 05601V111 109 120,686 SH   SOLE   120,686 0 0
B RILEY PRINCIPAL 150 MERGER COM CL A 05601V103 2,994 301,786 SH   SOLE   301,786 0 0
B. RILEY FINANCIAL INC COM 05580M108 5,492 78,508 SH   SOLE   78,508 0 0
BBQ HLDGS INC COM 05551A109 14,407 951,559 SH   SOLE   951,559 0 0
CATALYST BIOSCIENCES INC COM NEW 14888D208 1,598 2,420,789 SH   SOLE   2,420,789 0 0
CIDARA THERAPEUTICS INC COM 171757107 4,126 4,954,882 SH   SOLE   4,954,882 0 0
CODEXIS INC COM 192005106 69,758 3,383,049 SH   SOLE   3,383,049 0 0
COGNITION THERAPEUTICS INC COM 19243B102 540 196,402 SH   SOLE   196,402 0 0
CUE BIOPHARMA INC COM 22978P106 10,952 2,244,359 SH   SOLE   2,244,359 0 0
CURIS INC COM NEW 231269200 5,898 2,478,265 SH   SOLE   2,478,265 0 0
CYMABAY THERAPEUTICS INC COM 23257D103 5,890 1,893,997 SH   SOLE   1,893,997 0 0
DARDEN RESTAURANTS INC COM 237194105 13,295 100,000 SH Put SOLE   100,000 0 0
DARIOHEALTH CORP COM NEW 23725P209 10,021 1,716,007 SH   SOLE   1,716,007 0 0
DHI GROUP INC COM 23331S100 22,894 3,847,769 SH   SOLE   3,847,769 0 0
DXP ENTERPRISES INC COM NEW 233377407 32,215 1,189,179 SH   SOLE   1,189,179 0 0
ELOXX PHARMACEUTICALS INC COM 29014R103 434 774,767 SH   SOLE   774,767 0 0
ESTABLISHMENT LABS HLDGS INC COM G31249108 144,835 2,149,201 SH   SOLE   2,149,201 0 0
EXAGEN INC COM 30068X103 1,279 159,253 SH   SOLE   159,253 0 0
FALCON MINERALS CORP *W EXP 07/21/202 30607B208 256 674,561 SH   SOLE   674,561 0 0
FARADAY FUTRE INTLGT ELCTR I COM 307359109 1,746 350,000 SH   SOLE   350,000 0 0
FINTECH ACQUISITION CORP V *W EXP 12/31/202 31810Q115 317 333,331 SH   SOLE   333,331 0 0
FINTECH ACQUISITION CORP V COM CL A 31810Q107 9,457 958,137 SH   SOLE   958,137 0 0
FINTECH ACQUISITION CORP VI *W EXP 03/31/202 31811H114 143 249,998 SH   SOLE   249,998 0 0
FINTECH ACQUISITION CORP VI CLASS A COM 31811H106 9,820 999,992 SH   SOLE   999,992 0 0
FORTRESS BIOTECH INC COM 34960Q109 12,026 8,842,525 SH   SOLE   8,842,525 0 0
FTAC HERA ACQUISITION CORP *W EXP 02/28/202 G3728Y111 97 222,949 SH   SOLE   222,949 0 0
FTAC HERA ACQUISITION CORP CLASS A ORD SHS G3728Y103 7,832 800,001 SH   SOLE   800,001 0 0
GALMED PHARMACEUTICALS LTD SHS M47238106 412 258,957 SH   SOLE   258,957 0 0
GOLDEN ENTMT INC COM 381013101 40,103 690,606 SH   SOLE   690,606 0 0
GUARDFORCE AI CO LTD *W EXP 10/01/202 G4236L120 142 374,205 SH   SOLE   374,205 0 0
HCA HEALTHCARE INC COM 40412C101 8,922 35,600 SH   SOLE   35,600 0 0
HELIOGEN INC COMMON STOCK 42329E105 3,385 643,599 SH   SOLE   643,599 0 0
HERBALIFE NUTRITION LTD COM SHS G4412G101 8,127 267,700 SH Call SOLE   267,700 0 0
HTG MOLECULAR DIAGNOSTICS IN COM NEW 40434H203 397 285,963 SH   SOLE   285,963 0 0
HYPERFINE INC COM CL A 44916K106 2,112 596,480 SH   SOLE   596,480 0 0
IDW MEDIA HLDGS INC CL B 44951N106 2,047 1,118,406 SH   SOLE   1,118,406 0 0
IMAC HLDGS INC COM 44967K104 2,308 2,241,113 SH   SOLE   2,241,113 0 0
IMAX CORP COM 45245E109 50,513 2,668,431 SH   SOLE   2,668,431 0 0
IMAX CORP COM 45245E109 41,481 2,191,300 SH Call SOLE   2,191,300 0 0
IMMATICS N.V *W EXP 07/01/202 N44445117 1,740 1,035,613 SH   SOLE   1,035,613 0 0
IMMATICS N.V SHS N44445109 23,528 2,944,659 SH   SOLE   2,944,659 0 0
IMV INC COM 44974L103 2,632 1,866,491 SH   SOLE   1,866,491 0 0
IN8BIO INC COM 45674E109 1,226 352,753 SH   SOLE   352,753 0 0
INSU ACQUISITION CORP III *W EXP 12/31/202 457817112 67 333,332 SH   SOLE   333,332 0 0
INSU ACQUISITION CORP III COM CL A 457817104 9,773 995,173 SH   SOLE   995,173 0 0
INTERNATIONAL MNY EXPRESS IN COM 46005L101 29,390 1,425,985 SH   SOLE   1,425,985 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 75,545 368,029 SH   SOLE   368,029 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 554,229 2,700,000 SH Put SOLE   2,700,000 0 0
KEROS THERAPEUTICS INC COM 492327101 44,419 816,830 SH   SOLE   816,830 0 0
KEROS THERAPEUTICS INC COM 492327101 2,279 41,900 SH Call SOLE   41,900 0 0
KINTARA THERAPEUTICS INC COM 49720K101 264 663,279 SH   SOLE   663,279 0 0
KURA ONCOLOGY INC COM 50127T109 3,874 240,900 SH Call SOLE   240,900 0 0
LAVA THERAPEUTICS NV SHS N51517105 1,470 334,164 SH   SOLE   334,164 0 0
LUCID DIAGNOSTICS INC COM 54948X109 1,060 315,414 SH   SOLE   315,414 0 0
LUXFER HOLDINGS PLC SHS G5698W116 37,504 2,232,389 SH   SOLE   2,232,389 0 0
MEDIAALPHA INC CL A 58450V104 7,241 437,494 SH   SOLE   437,494 0 0
MERRIMACK PHARMACEUTICALS IN COM NEW 590328209 3,269 516,817 SH   SOLE   516,817 0 0
META FINL GROUP INC COM 59100U108 47,780 869,993 SH   SOLE   869,993 0 0
METROMILE INC *W EXP 02/09/202 591697115 66 507,460 SH   SOLE   507,460 0 0
METROMILE INC COM 591697107 1,377 1,043,514 SH   SOLE   1,043,514 0 0
MILLERKNOLL INC COM 600544100 56,096 1,623,135 SH   SOLE   1,623,135 0 0
NAUTILUS BIOTECHNOLOGY INC COM 63909J108 3,878 893,561 SH   SOLE   893,561 0 0
NEURONETICS INC COM 64131A105 2,667 880,155 SH   SOLE   880,155 0 0
NEUROPACE INC COM 641288105 3,984 485,303 SH   SOLE   485,303 0 0
OCUGEN INC COM 67577C105 55 16,571 SH   SOLE   16,571 0 0
ON24 INC COM 68339B104 5,051 384,088 SH   SOLE   384,088 0 0
PAR TECHNOLOGY CORP NOTE 2.875% 4/1 698884AC7 6,953 5,785,000 PRN   SOLE   5,785,000 0 0
PAYA HOLDINGS INC COM CL A 70434P103 24,085 4,110,073 SH   SOLE   4,110,073 0 0
PAYA HOLDINGS INC COM CL A 70434P103 1,758 300,000 SH Call SOLE   300,000 0 0
PAYONEER GLOBAL INC COM 70451X104 1,719 385,366 SH   SOLE   385,366 0 0
PELOTON INTERACTIVE INC CL A COM 70614W100 15,597 590,330 SH   SOLE   590,330 0 0
PELOTON INTERACTIVE INC CL A COM 70614W100 23,477 888,600 SH Call SOLE   888,600 0 0
PERELLA WEINBERG PARTNERS *W EXP 12/31/202 71367G110 822 409,128 SH   SOLE   409,128 0 0
PERELLA WEINBERG PARTNERS CLASS A COM 71367G102 4,750 502,676 SH   SOLE   502,676 0 0
QUALTEK SERVICES INC *W EXP 02/14/202 74760R113 56 96,244 SH   SOLE   96,244 0 0
READING INTL INC CL A 755408101 13,810 3,226,656 SH   SOLE   3,226,656 0 0
RED VIOLET INC COM 75704L104 35,946 1,261,251 SH   SOLE   1,261,251 0 0
RMR GROUP INC CL A 74967R106 29,914 961,851 SH   SOLE   961,851 0 0
SCIENTIFIC GAMES CORP COM 80874P109 67,246 1,144,613 SH   SOLE   1,144,613 0 0
SCULLY ROYALTY LTD COM SHS G7T96K107 7,585 772,437 SH   SOLE   772,437 0 0
SEMLER SCIENTIFIC INC COM 81684M104 17,687 356,875 SH   SOLE   356,875 0 0
SHIFT TECHNOLOGIES INC CL A 82452T107 8,208 3,730,912 SH   SOLE   3,730,912 0 0
SILVERBACK THERAPEUTICS INC COM 82835W108 3,152 913,597 SH   SOLE   913,597 0 0
SOLENO THERAPEUTICS INC COM NEW 834203200 2,104 9,436,512 SH   SOLE   9,436,512 0 0
SPDR SER TR S&P BIOTECH 78464A870 22,470 250,000 SH Put SOLE   250,000 0 0
STRATA SKIN SCIENCES INC COM NEW 86272A206 6,726 4,575,812 SH   SOLE   4,575,812 0 0
STRYKER CORPORATION COM 863667101 18,100 67,700 SH Put SOLE   67,700 0 0
SYNDAX PHARMACEUTICALS INC COM 87164F105 46,792 2,692,303 SH   SOLE   2,692,303 0 0
TANGO THERAPEUTICS INC COM 87583X109 749 98,794 SH   SOLE   98,794 0 0
TAYSHA GENE THERAPIES INC COM SHS 877619106 8,697 1,333,947 SH   SOLE   1,333,947 0 0
TC BIOPHARM HOLDINGS PLC *W EXP 02/08/202 87807D111 117 235,294 SH   SOLE   235,294 0 0
TRANSACT TECHNOLOGIES INC COM 892918103 504 71,335 SH   SOLE   71,335 0 0
TRAVEL PLUS LEISURE CO COM 894164102 50,261 867,464 SH   SOLE   867,464 0 0
TRAVEL PLUS LEISURE CO COM 894164102 53,253 919,100 SH Call SOLE   919,100 0 0
TRAVELCENTERS OF AMERICA INC COM NEW 89421B109 54,670 1,272,570 SH   SOLE   1,272,570 0 0
UNICYCIVE THERAPEUTICS INC COM 90466Y103 826 640,633 SH   SOLE   640,633 0 0
UNIQURE NV SHS N90064101 50,803 2,811,459 SH   SOLE   2,811,459 0 0
UNIQURE NV SHS N90064101 16,082 890,000 SH Call SOLE   890,000 0 0
VIEMED HEALTHCARE INC COM 92663R105 6,443 1,293,812 SH   SOLE   1,293,812 0 0
VROOM INC COM 92918V109 3,990 1,500,000 SH Call SOLE   1,500,000 0 0
WAVE LIFE SCIENCES LTD SHS Y95308105 1,638 819,101 SH   SOLE   819,101 0 0
WAYFAIR INC CL A 94419L101 3,843 34,688 SH   SOLE   34,688 0 0
WEJO GROUP LIMITED COMMON SHARES G9525W109 857 214,966 SH   SOLE   214,966 0 0
ZOVIO INC COM 98979V102 2,144 2,613,763 SH   SOLE   2,613,763 0 0