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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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
1LIFE HEALTHCARE INC COM 68269G107   23,277,030 1,393,000 SH   SOLE   1,393,000 0 0
ADVANCED DRAIN SYS INC DEL COM 00790R104   245,910 3,000 SH   SOLE   3,000 0 0
AFC GAMMA INC COM 00109K105   516,872 32,859 SH   DFND   32,859 0 0
AGROFRESH SOLUTIONS INC COM 00856G109   1,821,599 615,405 SH   SOLE   615,405 0 0
AIR PRODS & CHEMS INC COM 009158106   770,650 2,500 SH Put SOLE   2,500 0 0
ALEXANDRIA REAL ESTATE EQ IN COM 015271109   8,157,520 56,000 SH   SOLE   56,000 0 0
ALTENERGY ACQUISITION CORP COM CL A 02157M108   250,635 24,500 SH   SOLE   24,500 0 0
ALTENERGY ACQUISITION CORP *W EXP 10/29/202 02157M116   1,288 12,500 SH   SOLE   12,500 0 0
ALTUS POWER INC COM CL A 02217A102   260,800 40,000 SH   SOLE   40,000 0 0
APOLLO ENDOSURGERY INC COM 03767D108   138,583 13,900 SH   SOLE   13,900 0 0
APPRECIATE HOLDINGS INC *W EXP 11/29/202 03832J114   380 12,612 SH   SOLE   12,612 0 0
ARBOR RAPHA CAP BIOHLDS CORP UNIT 10/31/2028 03881F203   267,500 25,000 SH   SOLE   25,000 0 0
ASCENDANT DIGITAL ACQ CORP I UNIT 99/99/9999 G05157121   103,000 10,000 SH   SOLE   10,000 0 0
ASPEN AEROGELS INC COM 04523Y105   201,020 17,050 SH   SOLE   17,050 0 0
ATHENA CONSUMER ACQ CORP *W EXP 07/31/202 04684M114   14,546 125,076 SH   SOLE   125,076 0 0
ATLAS AIR WORLDWIDE HLDGS IN COM NEW 049164205   72,650,390 720,738 SH   SOLE   720,738 0 0
ATLAS CORP SHARES Y0436Q109   20,522,312 1,337,830 SH   SOLE   1,337,830 0 0
AVAYA HLDGS CORP COM 05351X101   9,139 46,630 SH   SOLE   46,630 0 0
AVEO PHARMACEUTICALS INC COM NEW 053588307   21,898,865 1,464,807 SH   SOLE   1,464,807 0 0
BANNER ACQUISITION CORP CLASS A COM 06654K101   524,946 52,078 SH   SOLE   52,078 0 0
BENEFITFOCUS INC COM 08180D106   11,588,676 1,107,904 SH   SOLE   1,107,904 0 0
BIOHAVEN LTD COM G1110E107   1,165,920 84,000 SH   SOLE   84,000 0 0
BLOCKCHAIN COINVSTRS ACQ CRP UNIT 09/01/2026 G11765123   102,700 10,000 SH   SOLE   10,000 0 0
BLOOM ENERGY CORP COM CL A 093712107   240,912 12,600 SH   SOLE   12,600 0 0
BRAEMAR HOTELS & RESORTS INC 5.5 CUM CV PFD B 10482B200   8,820,043 565,750 SH   SOLE   565,750 0 0
CARNEY TECHNOLOGY ACQU CORP CL A COMMON STK 143636108   738,396 72,109 SH   SOLE   72,109 0 0
CENTRAL PUERTO S A SPONSORED ADR 155038201   1,946,835 327,750 SH   DFND   327,750 0 0
CENTRAL PUERTO S A SPONSORED ADR 155038201   1,201,365 202,250 SH   SOLE   202,250 0 0
CHARGEPOINT HOLDINGS INC COM CL A 15961R105   210,613 22,100 SH   SOLE   22,100 0 0
CHART INDS INC COM 16115Q308   760,518 6,600 SH   SOLE   6,600 0 0
CLEAN ENERGY FUELS CORP COM 184499101   141,440 27,200 SH   SOLE   27,200 0 0
CORNER GROWTH ACQUISITION CO CL A SHS G2425N105   1,021,983 103,335 SH   SOLE   103,335 0 0
COUPA SOFTWARE INC COM 22266L106   32,980,084 416,573 SH   SOLE   416,573 0 0
COWEN INC CL A NEW 223622606   52,422,556 1,357,394 SH   SOLE   1,357,394 0 0
CRESUD S A C I F Y A SPONSORED ADR 226406106   1,098,157 164,149 SH   DFND   164,149 0 0
DARLING INGREDIENTS INC COM 237266101   375,540 6,000 SH   SOLE   6,000 0 0
DIREXION SHS ETF TR DRX S&P500BULL 25459W862   9,026,446 145,330 SH   SOLE   145,330 0 0
DTRT HEALTH ACQUISITION CORP *W EXP 08/31/202 23344T111   7,408 24,700 SH   SOLE   24,700 0 0
ECOVYST INC COM 27923Q109   177,200 20,000 SH   SOLE   20,000 0 0
ELME COMMUNITIES SH BEN INT 939653101   5,715,117 321,074 SH   DFND   321,074 0 0
ELME COMMUNITIES SH BEN INT 939653101   16,412,864 922,071 SH   SOLE   922,071 0 0
ENERGEM CORP UNIT 11/15/2026 G30449113   2,432,250 225,000 SH   SOLE   225,000 0 0
ENERGY TRANSFER L P COM UT LTD PTN 29273V100   19,165,444 1,614,612 SH   SOLE   1,614,612 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107   1,896,580 78,631 SH   SOLE   78,631 0 0
EVEREST CONSOLIDATOR ACQ COR UNIT 99/99/9999 29978K201   622,065 60,927 SH   SOLE   60,927 0 0
EVO PMTS INC CL A COM 26927E104   72,887,096 2,153,874 SH   SOLE   2,153,874 0 0
FAT PROJECTS ACQUISITION COR *W EXP 08/31/202 G3400W110   3,750 150,000 SH   SOLE   150,000 0 0
FIRST HORIZON CORPORATION COM 320517105   43,882,832 1,791,136 SH   SOLE   1,791,136 0 0
FORUM MERGER IV CORP CLASS A COM 349875104   1,507,761 150,026 SH   SOLE   150,026 0 0
GOGREEN INVESTMENTS CORP *W EXP 05/31/202 G9461B119   60,044 181,950 SH   SOLE   181,950 0 0
GREEN VISOR FIN TEC ACQ CORP UNIT 11/08/2026 G4166K118   1,504,542 145,507 SH   SOLE   145,507 0 0
GRUPO SUPERVIELLE S.A. SPONSORED ADR 40054A108   52,488 24,300 SH   SOLE   24,300 0 0
HEALTHCARE RLTY TR CL A COM 42226K105   15,890,716 824,635 SH   SOLE   824,635 0 0
HERON THERAPEUTICS INC COM 427746102   640,453 256,181 SH   SOLE   256,181 0 0
HERON THERAPEUTICS INC COM 427746102   607,375 242,950 SH   DFND   242,950 0 0
HIGHLAND GLOBAL ALLOCATION F COM 43010T104   812,437 86,246 SH   SOLE   86,246 0 0
HIGHLAND INCOME FD HIGHLAND INCOME 43010E404   3,440,252 334,005 SH   SOLE   334,005 0 0
HIGHLAND INCOME FD HIGHLAND INCOME 43010E404   4,058,633 394,042 SH   DFND   394,042 0 0
HORIZON THERAPEUTICS PUB L SHS G46188101   58,299,512 512,298 SH   SOLE   512,298 0 0
IMAGO BIOSCIENCES INC COM 45250K107   11,269,498 313,477 SH   SOLE   313,477 0 0
INDEPENDENCE RLTY TR INC COM 45378A106   1,644,760 97,554 SH   SOLE   97,554 0 0
INTEGRATED RAIL AND RES ACQ UNIT 99/99/9999 45827R205   3,010,935 294,324 SH   SOLE   294,324 0 0
INTELLIGENT MEDI ACQSITN COR *W EXP 11/05/202 45828D114   1,338 125,000 SH   SOLE   125,000 0 0
IROBOT CORP COM 462726100   6,699,022 139,186 SH   SOLE   139,186 0 0
ITRON INC COM 465741106   209,894 4,144 SH   SOLE   4,144 0 0
JACK CREEK INVESTMENT CORP CL A SHS G4989X115   129,583 12,792 SH   SOLE   12,792 0 0
KNOWBE4 INC CL A 49926T104   101,673,183 4,103,034 SH   SOLE   4,103,034 0 0
LIONHEART III CORP *W EXP 11/09/202 536262116   5,420 113,155 SH   SOLE   113,155 0 0
LIONHEART III CORP CLASS A COM 536262108   2,495,623 244,909 SH   SOLE   244,909 0 0
LOMA NEGRA C I A S A MTN 14 SPONSORED ADS 54150E104   438,400 64,000 SH   DFND   64,000 0 0
MAXAR TECHNOLOGIES INC COM 57778K105   12,715,157 245,751 SH   SOLE   245,751 0 0
MAXPRO CAPITAL ACQUISITN COR CLASS A COM 57778T106   738,563 71,084 SH   SOLE   71,084 0 0
MAXPRO CAPITAL ACQUISITN COR *W EXP 09/27/202 57778T114   3,910 71,084 SH   SOLE   71,084 0 0
MCLAREN TECHNOLOGY ACQ CORP *W EXP 11/01/202 58176U117   2,304 92,147 SH   SOLE   92,147 0 0
MCLAREN TECHNOLOGY ACQ CORP CLASS A COM 58176U109   918,900 90,000 SH   SOLE   90,000 0 0
MERCADOLIBRE INC COM 58733R102   2,538,720 3,000 SH   SOLE   3,000 0 0
MERCURY ECOM ACQUISITION COR CLASS A COM 589381102   997,713 100,172 SH   SOLE   100,172 0 0
MERIDIAN BIOSCIENCE INC COM 589584101   64,396,681 1,939,075 SH   SOLE   1,939,075 0 0
MFA FINL INC COM 55272X607   221,625 22,500 SH   DFND   22,500 0 0
MINERALS TECHNOLOGIES INC COM 603158106   340,032 5,600 SH   SOLE   5,600 0 0
MONEYGRAM INTL INC COM NEW 60935Y208   51,272,712 4,708,238 SH   SOLE   4,708,238 0 0
MP MATERIALS CORP COM CL A 553368101   223,376 9,200 SH   SOLE   9,200 0 0
MYOVANT SCIENCES LTD COM G637AM102   36,073,289 1,338,030 SH   SOLE   1,338,030 0 0
NEW FORTRESS ENERGY INC COM CL A 644393100   661,752 15,600 SH   SOLE   15,600 0 0
NEXPOINT DIVERSIFIED REL ET COM NEW 65340G205   20,463,620 1,825,479 SH   SOLE   1,825,479 0 0
NEXPOINT REAL ESTATE FIN INC COM 65342V101   90,488,322 5,694,671 SH   SOLE   5,694,671 0 0
NEXPOINT REAL ESTATE FIN INC COM 65342V101   12,132,651 763,540 SH   DFND   763,540 0 0
NEXPOINT RESIDENTIAL TR INC COM 65341D102   15,525,804 356,751 SH   SOLE   356,751 0 0
NEXPOINT RESIDENTIAL TR INC COM 65341D102   6,482,870 148,963 SH   DFND   148,963 0 0
NEXTDECADE CORP COM 65342K105   1,501,760 304,000 SH   DFND   304,000 0 0
NEXTERA ENERGY PARTNERS LP COM UNIT PART IN 65341B106   392,504 5,600 SH   SOLE   5,600 0 0
PAMPA ENERGIA S A SPONS ADR LVL I 697660207   2,162,338 67,700 SH   SOLE   67,700 0 0
PARATEK PHARMACEUTICALS INC COM 699374302   93,500 50,000 SH   DFND   50,000 0 0
PARATEK PHARMACEUTICALS INC COM 699374302   121,120 64,770 SH   SOLE   64,770 0 0
PATTERSON COS INC COM 703395103   482,116 17,200 SH   SOLE   17,200 0 0
PCSB FINL CORP COM 69324R104   590,240 31,000 SH   SOLE   31,000 0 0
PERCEPTION CAPITAL CORP II *W EXP 10/25/202 G7007D110   3,922 198,080 SH   SOLE   198,080 0 0
PHOENIX BIOTECH ACQUISITION CLASS A COM 71902K105   2,240,065 217,482 SH   SOLE   217,482 0 0
PHOENIX BIOTECH ACQUISITION *W EXP 09/01/202 71902K113   4,687 108,741 SH   SOLE   108,741 0 0
PIVOTAL INVESTMENT CORP III COM CL A 72582M106   144,751 14,302 SH   SOLE   14,302 0 0
PLANET LABS PBC COM CL A 72703X106   87,000 20,000 SH   SOLE   20,000 0 0
POSHMARK INC COM CL A 73739W104   28,240,334 1,579,437 SH   SOLE   1,579,437 0 0
PRIMO WATER CORPORATION COM 74167P108   503,496 32,400 SH   SOLE   32,400 0 0
PRIVETERRA ACQUISITION CORP CL A 74275N102   400,109 39,792 SH   SOLE   39,792 0 0
PROFESSIONAL HLDG CORP CL A COM 743139107   7,910,921 285,181 SH   SOLE   285,181 0 0
PROSHARES TR ULTRAPRO QQQ 74347X831   6,735,755 389,350 SH   SOLE   389,350 0 0
PROSHARES TR II ULTRA VIX SHORT 74347Y839   379,358 55,300 SH   SOLE   55,300 0 0
RENESOLA LTD SPONSORED ADS 75971T301   359,340 79,500 SH   SOLE   79,500 0 0
SAFEHOLD INC COM 78645L100   1,066,267 37,256 SH   DFND   37,256 0 0
SALESFORCE INC COM 79466L302   6,604,175 49,809 SH   SOLE   49,809 0 0
SEAPORT GLOBAL ACQUISITION I *W EXP 11/17/202 81221H113   212 21,237 SH   SOLE   21,237 0 0
SEAPORT GLOBAL ACQUISITION I CLASS A COM 81221H105   562,020 55,100 SH   SOLE   55,100 0 0
SEASPINE HLDGS CORP COM 81255T108   344,137 41,214 SH   SOLE   41,214 0 0
SOCIAL LEVERAGE ACQUISN CORP CL A COM 83363K102   426,000 42,600 SH   SOLE   42,600 0 0
SOLAREDGE TECHNOLOGIES INC COM 83417M104   433,403 1,530 SH   SOLE   1,530 0 0
STEM INC COM 85859N102   286,080 32,000 SH   SOLE   32,000 0 0
STORE CAP CORP COM 862121100   101,614,811 3,169,520 SH   SOLE   3,169,520 0 0
SUNNOVA ENERGY INTL INC. COM 86745K104   232,689 12,920 SH   SOLE   12,920 0 0
SUNRUN INC COM 86771W105   302,652 12,600 SH   SOLE   12,600 0 0
TALON 1 ACQUISITION CORP UNIT 11/02/2026 G86656124   400,981 38,968 SH   SOLE   38,968 0 0
TARGA RES CORP COM 87612G101   9,672,600 131,600 SH   SOLE   131,600 0 0
TELESAT CORP CL A & CL B SHS 879512309   353,250 47,100 SH   DFND   47,100 0 0
TELESAT CORP CL A & CL B SHS 879512309   4,078,673 543,823 SH   SOLE   543,823 0 0
TEUCRIUM COMMODITY TR CORN FD SHS 88166A102   5,570,471 206,850 SH   SOLE   206,850 0 0
THRIVE ACQUISITION CORPORATI CLASS A ORD G7158C101   3,360,335 324,984 SH   SOLE   324,984 0 0
THRIVE ACQUISITION CORPORATI *W EXP 10/31/202 G7158C119   1,641 162,492 SH   SOLE   162,492 0 0
TREAN INS GROUP INC COM 89457R101   7,545,684 1,257,614 SH   SOLE   1,257,614 0 0
UMPQUA HLDGS CORP COM 904214103   35,679,633 1,998,859 SH   SOLE   1,998,859 0 0
USERTESTING INC COM 91734E101   15,193,751 2,023,136 SH   SOLE   2,023,136 0 0
VISTRA CORP COM 92840M102   3,085,600 133,000 SH   SOLE   133,000 0 0
VIVINT SMART HOME INC COM CL A 928542109   42,495,935 3,571,087 SH   SOLE   3,571,087 0 0
WESTERN MIDSTREAM PARTNERS L COM UNIT LP INT 958669103   7,466,985 278,100 SH   SOLE   278,100 0 0
WHEELER REAL ESTATE INVT TR CV PFD SER B 963025309   125,098 82,301 SH   SOLE   82,301 0 0
WHEELER REAL ESTATE INVT TR PFD CNV SER D 963025606   607,332 47,300 SH   SOLE   47,300 0 0
WHITESTONE REIT COM 966084204   8,437,458 875,255 SH   SOLE   875,255 0 0
WHITESTONE REIT COM 966084204   7,136,135 740,263 SH   DFND   740,263 0 0