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
1LIFE HEALTHCARE INC COM 68269G107 23,890 1,393,000 SH   SOLE   1,393,000 0 0
ACTIVISION BLIZZARD INC COM 00507V109 342 4,600 SH   SOLE   4,600 0 0
AERIE PHARMACEUTICALS INC COM 00771V108 3,362 222,180 SH   DFND   222,180 0 0
AERIE PHARMACEUTICALS INC COM 00771V108 25,293 1,671,711 SH   SOLE   1,671,711 0 0
AFC GAMMA INC COM 00109K105 503 32,859 SH   DFND   32,859 0 0
ALEXANDRIA REAL ESTATE EQ IN COM 015271109 7,851 56,000 SH   SOLE   56,000 0 0
ALLEGHANY CORP MD COM 017175100 75,953 90,488 SH   SOLE   90,488 0 0
ALTENERGY ACQUISITION CORP COM CL A 02157M108 246 24,500 SH   SOLE   24,500 0 0
ALTENERGY ACQUISITION CORP *W EXP 10/29/202 02157M116 2 12,500 SH   SOLE   12,500 0 0
ALTIMETER GROWTH CORP 2 COM CL A G0371B109 2,824 285,000 SH   SOLE   285,000 0 0
AMRYT PHARMA PLC SPONSORED ADS 03217L106 277 40,000 SH   DFND   40,000 0 0
ARBOR RAPHA CAP BIOHLDS CORP UNIT 10/31/2028 03881F203 252 25,000 SH   SOLE   25,000 0 0
ASCENDANT DIGITAL ACQ CORP I UNIT 99/99/9999 G05157121 102 10,000 SH   SOLE   10,000 0 0
ATHENA CONSUMER ACQ CORP *W EXP 07/31/202 04684M114 6 125,076 SH   SOLE   125,076 0 0
ATLAS AIR WORLDWIDE HLDGS IN COM NEW 049164205 37,993 397,539 SH   SOLE   397,539 0 0
AVALARA INC COM 05338G106 51,179 557,500 SH   SOLE   557,500 0 0
AVAYA HLDGS CORP COM 05351X101 78 48,800 SH   SOLE   48,800 0 0
BANNER ACQUISITION CORP CLASS A COM 06654K101 516 52,078 SH   SOLE   52,078 0 0
BIOHAVEN PHARMACTL HLDG CO L COM G11196105 35,920 237,616 SH   SOLE   237,616 0 0
BLOCKCHAIN COINVSTRS ACQ CRP UNIT 09/01/2026 G11765123 101 10,000 SH   SOLE   10,000 0 0
BLUEROCK RESIDENTIAL GWT REI COM CL A 09627J102 750 28,052 SH   DFND   28,052 0 0
BRAEMAR HOTELS & RESORTS INC 5.5 CUM CV PFD B 10482B200 8,362 565,750 SH   SOLE   565,750 0 0
CARNEY TECHNOLOGY ACQU CORP CL A COMMON STK 143636108 717 72,109 SH   SOLE   72,109 0 0
CBTX INC COM 12481V104 6,171 210,967 SH   SOLE   210,967 0 0
CENTRAL PUERTO S A SPONSORED ADR 155038201 890 202,250 SH   SOLE   202,250 0 0
CENTRAL PUERTO S A SPONSORED ADR 155038201 1,442 327,750 SH   DFND   327,750 0 0
CHANNELADVISOR CORP COM 159179100 20,757 916,000 SH   SOLE   916,000 0 0
CHEMOCENTRYX INC COM 16383L106 67,938 1,315,094 SH   SOLE   1,315,094 0 0
CITRIX SYS INC COM 177376100 30,841 296,545 SH   SOLE   296,545 0 0
CLASS ACCELERATION CORP COM 18274B106 806 81,594 SH   SOLE   81,594 0 0
COMPUTE HEALTH ACQUISITIN CO COM CL A 204833107 1,813 183,700 SH   SOLE   183,700 0 0
CONVEY HEALTH SOLUTIONS HLDG COM 21258C108 6,660 633,680 SH   SOLE   633,680 0 0
CONX CORP COM CL A 212873103 2,137 213,700 SH   SOLE   213,700 0 0
CORNER GROWTH ACQUISITION CO CL A SHS G2425N105 1,030 103,335 SH   SOLE   103,335 0 0
COVETRUS INC COM 22304C100 67,399 3,227,906 SH   SOLE   3,227,906 0 0
COWEN INC CL A NEW 223622606 48,890 1,265,282 SH   SOLE   1,265,282 0 0
CRESUD S A C I F Y A SPONSORED ADR 226406106 898 164,149 SH   DFND   164,149 0 0
CYBEROPTICS CORP COM 232517102 9,719 180,723 SH   SOLE   180,723 0 0
DIREXION SHS ETF TR DRX S&P500BULL 25459W862 3,875 72,330 SH   SOLE   72,330 0 0
DTRT HEALTH ACQUISITION CORP *W EXP 08/31/202 23344T111 5 24,700 SH   SOLE   24,700 0 0
DTRT HEALTH ACQUISITION CORP COM CL A 23344T103 504 49,512 SH   SOLE   49,512 0 0
DUKE REALTY CORP COM NEW 264411505 63,939 1,326,526 SH   SOLE   1,326,526 0 0
ENERGEM CORP UNIT 11/15/2026 G30449113 2,300 225,000 SH   SOLE   225,000 0 0
ENERGY TRANSFER L P COM UT LTD PTN 29273V100 17,809 1,614,612 SH   SOLE   1,614,612 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 1,870 78,631 SH   SOLE   78,631 0 0
EVEREST CONSOLIDATOR ACQ COR UNIT 99/99/9999 29978K201 614 60,927 SH   SOLE   60,927 0 0
EVO PMTS INC CL A COM 26927E104 11,655 350,000 SH   SOLE   350,000 0 0
EXTERRAN CORP COM 30227H106 731 175,703 SH   SOLE   175,703 0 0
FAT PROJECTS ACQUISITION COR *W EXP 08/31/202 G3400W110 7 150,000 SH   SOLE   150,000 0 0
FIRST HORIZON CORPORATION COM 320517105 29,925 1,306,775 SH   SOLE   1,306,775 0 0
FORMA THERAPEUTICS HLDGS INC SHS 34633R104 14,381 720,851 SH   SOLE   720,851 0 0
FORUM MERGER IV CORP CLASS A COM 349875104 1,472 150,026 SH   SOLE   150,026 0 0
GLOBAL BLOOD THERAPEUTICS IN COM 37890U108 39,304 577,150 SH   SOLE   577,150 0 0
GOGREEN INVESTMENTS CORP *W EXP 05/31/202 G9461B119 21 181,950 SH   SOLE   181,950 0 0
GREEN VISOR FIN TEC ACQ CORP UNIT 11/08/2026 G4166K118 1,478 145,507 SH   SOLE   145,507 0 0
GRUPO SUPERVIELLE S.A. SPONSORED ADR 40054A108 43 24,300 SH   SOLE   24,300 0 0
HANGER INC COM NEW 41043F208 30,257 1,616,283 SH   SOLE   1,616,283 0 0
HEALTH ASSURN ACQUISITION CO COM CL A 42226W109 2,882 288,800 SH   SOLE   288,800 0 0
HEALTHCARE RLTY TR CL A COM 42226K105 17,194 824,635 SH   SOLE   824,635 0 0
HERON THERAPEUTICS INC COM 427746102 1,025 242,950 SH   DFND   242,950 0 0
HERON THERAPEUTICS INC COM 427746102 1,081 256,181 SH   SOLE   256,181 0 0
HIGHLAND GLOBAL ALLOCATION F COM 43010T104 752 86,246 SH   SOLE   86,246 0 0
HIGHLAND INCOME FD HIGHLAND INCOME 43010E404 3,247 334,005 SH   SOLE   334,005 0 0
HILL INTL INC COM 431466101 8,300 2,500,000 SH   SOLE   2,500,000 0 0
INDEPENDENCE RLTY TR INC COM 45378A106 1,632 97,554 SH   SOLE   97,554 0 0
INFRA AND ENERGY ALTRNTIVE I COM 45686J104 12,315 909,512 SH   SOLE   909,512 0 0
INTEGRATED RAIL AND RES ACQ UNIT 99/99/9999 45827R205 2,964 294,324 SH   SOLE   294,324 0 0
INTELLIGENT MEDI ACQSITN COR *W EXP 11/05/202 45828D114 11 125,000 SH   SOLE   125,000 0 0
IROBOT CORP COM 462726100 12,757 226,476 SH   SOLE   226,476 0 0
ISHARES TR GL CLEAN ENE ETF 464288224 344 18,000 SH   SOLE   18,000 0 0
ITRON INC COM 465741106 257 6,100 SH   SOLE   6,100 0 0
JACK CREEK INVESTMENT CORP CL A SHS G4989X115 127 12,792 SH   SOLE   12,792 0 0
KKR & CO INC COM 48251W104 252 5,866 SH   SOLE   5,866 0 0
LEFTERIS ACQUISITION CORP COM CL A 52470X109 2,520 252,000 SH   SOLE   252,000 0 0
LIONHEART III CORP CLASS A COM 536262108 2,471 244,909 SH   SOLE   244,909 0 0
LIONHEART III CORP *W EXP 11/09/202 536262116 7 113,155 SH   SOLE   113,155 0 0
LOMA NEGRA C I A S A MTN 14 SPONSORED ADS 54150E104 399 64,000 SH   DFND   64,000 0 0
LUX HEALTH TECH ACQUISITION COM CL A 55068A100 1,068 106,700 SH   SOLE   106,700 0 0
LUXFER HLDGS PLC SHS G5698W116 200 13,773 SH   SOLE   13,773 0 0
MANNING & NAPIER INC CL A 56382Q102 4,049 330,000 SH   SOLE   330,000 0 0
MAXPRO CAPITAL ACQUISITN COR *W EXP 09/27/202 57778T114 8 71,084 SH   SOLE   71,084 0 0
MAXPRO CAPITAL ACQUISITN COR CLASS A COM 57778T106 720 71,084 SH   SOLE   71,084 0 0
MCLAREN TECHNOLOGY ACQ CORP *W EXP 11/01/202 58176U117 7 92,147 SH   SOLE   92,147 0 0
MCLAREN TECHNOLOGY ACQ CORP CLASS A COM 58176U109 907 90,000 SH   SOLE   90,000 0 0
MERCADOLIBRE INC COM 58733R102 2,483 3,000 SH   SOLE   3,000 0 0
MERCURY ECOM ACQUISITION COR CLASS A COM 589381102 999 100,172 SH   SOLE   100,172 0 0
MFA FINL INC COM 55272X607 175 22,500 SH   DFND   22,500 0 0
MINERALS TECHNOLOGIES INC COM 603158106 277 5,600 SH   SOLE   5,600 0 0
MONUMENT CIRCLE ACQUISITN CO COM CL A 61531M101 101 10,194 SH   SOLE   10,194 0 0
NEXPOINT DIVERSIFIED REL ET COM NEW 65340G205 22,910 1,825,479 SH   SOLE   1,825,479 0 0
NEXPOINT REAL ESTATE FIN INC COM 65342V101 85,306 5,694,671 SH   SOLE   5,694,671 0 0
NEXPOINT REAL ESTATE FIN INC COM 65342V101 11,438 763,540 SH   DFND   763,540 0 0
NEXPOINT RESIDENTIAL TR INC COM 65341D102 16,329 353,361 SH   SOLE   353,361 0 0
NEXPOINT RESIDENTIAL TR INC COM 65341D102 6,845 148,120 SH   DFND   148,120 0 0
NEXTDECADE CORP COM 65342K105 1,830 304,000 SH   DFND   304,000 0 0
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106 202 2,800 SH   SOLE   2,800 0 0
NORTONLIFELOCK INC COM 668771108 2,433 120,800 SH   SOLE   120,800 0 0
NORWEGIAN CRUISE LINE HLDG L SHS G66721104 136 12,000 SH Call SOLE   12,000 0 0
PAMPA ENERGIA S A SPONS ADR LVL I 697660207 1,542 67,700 SH   SOLE   67,700 0 0
PARABELLUM ACQUISITION CORP *W EXP 99/99/999 69901P117 8 223,160 SH   SOLE   223,160 0 0
PARATEK PHARMACEUTICALS INC COM 699374302 129 50,000 SH   DFND   50,000 0 0
PARATEK PHARMACEUTICALS INC COM 699374302 166 64,770 SH   SOLE   64,770 0 0
PARSEC CAPITAL ACQUISITION CL A 70184A108 1,007 99,589 SH   SOLE   99,589 0 0
PARSEC CAPITAL ACQUISITION *W EXP 10/05/202 70184A116 3 99,589 SH   SOLE   99,589 0 0
PARTNERS BANCORP COM 70213Q108 1,407 158,268 SH   SOLE   158,268 0 0
PATTERSON COS INC COM 703395103 413 17,200 SH   SOLE   17,200 0 0
PBF LOGISTICS LP UNIT LTD PTNR 69318Q104 21,854 1,156,897 SH   SOLE   1,156,897 0 0
PERCEPTION CAPITAL CORP II *W EXP 10/25/202 G7007D110 5 198,080 SH   SOLE   198,080 0 0
PERIPHAS CAPITAL PARTNERING COM CL A 713895100 505 20,428 SH   SOLE   20,428 0 0
PHOENIX BIOTECH ACQUISITION *W EXP 09/01/202 71902K113 9 108,741 SH   SOLE   108,741 0 0
PHOENIX BIOTECH ACQUISITION CLASS A COM 71902K105 2,197 217,482 SH   SOLE   217,482 0 0
PINE IS ACQUISITION CORP CL A 722615101 1,426 142,900 SH   SOLE   142,900 0 0
PING IDENTITY HLDG CORP COM 72341T103 34,189 1,218,000 SH   SOLE   1,218,000 0 0
PIVOTAL INVESTMENT CORP III COM CL A 72582M106 141 14,302 SH   SOLE   14,302 0 0
PRIMO WATER CORPORATION COM 74167P108 351 28,000 SH   SOLE   28,000 0 0
PRIVETERRA ACQUISITION CORP CL A 74275N102 392 39,792 SH   SOLE   39,792 0 0
PROFESSIONAL HLDG CORP CL A COM 743139107 5,968 230,087 SH   SOLE   230,087 0 0
PROPTECH INVESTMENT CORP II COM CL A 743497109 877 88,144 SH   SOLE   88,144 0 0
PROPTECH INVESTMENT CORP II *W EXP 12/08/202 743497117 2 12,612 SH   SOLE   12,612 0 0
PROSHARES TR ULTRAPRO QQQ 74347X831 3,755 194,350 SH   SOLE   194,350 0 0
PZENA INVT MGMT INC CLASS A 74731Q103 964 101,697 SH   SOLE   101,697 0 0
RANDOLPH BANCORP INC COM 752378109 270 10,000 SH   SOLE   10,000 0 0
SAFEHOLD INC COM 78645L100 986 37,256 SH   DFND   37,256 0 0
SALESFORCE INC COM 79466L302 7,165 49,809 SH   SOLE   49,809 0 0
SEAPORT GLOBAL ACQUISITION I CLASS A COM 81221H105 551 55,100 SH   SOLE   55,100 0 0
SEAPORT GLOBAL ACQUISITION I *W EXP 11/17/202 81221H113 3 21,237 SH   SOLE   21,237 0 0
SHELL MIDSTREAM PARTNERS L P UNIT LTD INT 822634101 41,403 2,618,790 SH   SOLE   2,618,790 0 0
SIERRA LAKE ACQUISITION CORP CLASS A COM 826332108 601 60,000 SH   SOLE   60,000 0 0
SIERRA WIRELESS INC COM 826516106 12,480 410,000 SH   SOLE   410,000 0 0
SOCIAL CAPITAL HEDOSOPHA HLD SHS CL A G82514103 1,058 105,733 SH   SOLE   105,733 0 0
SOCIAL LEVERAGE ACQUISN CORP COM CL A 83363K102 419 42,600 SH   SOLE   42,600 0 0
SOUTH JERSEY INDS INC COM 838518108 24,039 719,293 SH   SOLE   719,293 0 0
STORE CAP CORP COM 862121100 52,785 1,684,800 SH   SOLE   1,684,800 0 0
SWITCH INC CL A 87105L104 73,578 2,183,975 SH   SOLE   2,183,975 0 0
TALON 1 ACQUISITION CORP UNIT 11/02/2026 G86656124 397 38,968 SH   SOLE   38,968 0 0
TARGA RES CORP COM 87612G101 7,941 131,600 SH   SOLE   131,600 0 0
TASTEMAKER ACQUISITION CORP COM CL A 876545104 299 30,000 SH   SOLE   30,000 0 0
TELESAT CORP CL A & CL B SHS 879512309 368 47,100 SH   DFND   47,100 0 0
TELESAT CORP CL A & CL B SHS 879512309 4,247 543,823 SH   SOLE   543,823 0 0
TENNECO INC CL A VTG COM STK 880349105 35,287 2,029,157 SH   SOLE   2,029,157 0 0
TERMINIX GLOBAL HOLDINGS INC COM 88087E100 23,163 604,937 SH   SOLE   604,937 0 0
TEUCRIUM COMMODITY TR CORN FD SHS 88166A102 5,593 206,850 SH   SOLE   206,850 0 0
THRIVE ACQUISITION CORPORATI *W EXP 10/31/202 G7158C119 13 162,492 SH   SOLE   162,492 0 0
THRIVE ACQUISITION CORPORATI CLASS A ORD G7158C101 3,299 324,984 SH   SOLE   324,984 0 0
TRANSGLOBE ENERGY CORP COM 893662106 2,345 874,946 SH   SOLE   874,946 0 0
TWITTER INC COM 90184L102 460 10,500 SH   SOLE   10,500 0 0
UMPQUA HLDGS CORP COM 904214103 23,093 1,351,258 SH   SOLE   1,351,258 0 0
VISTRA CORP COM 92840M102 2,793 133,000 SH   SOLE   133,000 0 0
VY GLOBAL GROWTH COM CL A G9444H100 2,431 242,400 SH   SOLE   242,400 0 0
WASHINGTON REAL ESTATE INVT SH BEN INT 939653101 16,192 922,071 SH   SOLE   922,071 0 0
WASHINGTON REAL ESTATE INVT SH BEN INT 939653101 5,638 321,074 SH   DFND   321,074 0 0
WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103 7,258 288,492 SH   SOLE   288,492 0 0
WHEELER REAL ESTATE INVT TR CV PFD SER B 963025309 189 82,301 SH   SOLE   82,301 0 0
WHEELER REAL ESTATE INVT TR PFD CNV SER D 963025606 550 47,300 SH   SOLE   47,300 0 0
WHITESTONE REIT COM 966084204 7,405 875,255 SH   SOLE   875,255 0 0
WHITESTONE REIT COM 966084204 6,178 730,263 SH   DFND   730,263 0 0
ZENDESK INC COM 98936J101 53,765 706,500 SH   SOLE   706,500 0 0