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
ABERDEEN ASIA PACIFIC INCOM COM 003009107 4,857 1,024,590 SH   SOLE   1,024,590 0 0
ABERDEEN CHILE FD INC COM 00301W105 149 16,500 SH   SOLE   16,500 0 0
ABERDEEN INDONESIA FD INC COM 00305P106 97 13,300 SH   SOLE   13,300 0 0
ADAMS DIVERSIFIED EQUITY FD COM 006212104 1,264 85,549 SH   SOLE   85,549 0 0
ADVENT CLAY CONV SEC INC FD COM 007639107 4,536 810,003 SH   SOLE   810,003 0 0
ADVENT CLAYMORE CV SECS & IN COM 00764C109 6,018 399,079 SH   SOLE   399,079 0 0
ADVENT CLAYMORE ENH GRW & IN COM 00765E104 4,046 510,904 SH   SOLE   510,904 0 0
ALLIANCEBERNSTEIN GBL HGH IN COM 01879R106 2,186 183,825 SH   SOLE   183,825 0 0
ALLIANCEBERNSTEIN NATL MUNI COM 01864U106 4,320 345,284 SH   SOLE   345,284 0 0
ALLIANZGI CON INCM 2024 TARG COM 01883H102 12,798 1,388,048 SH   SOLE   1,388,048 0 0
ALLIANZGI EQUITY & CONV INCO COM 018829101 2,510 121,316 SH   SOLE   121,316 0 0
ALLIANZGI NFJ DIVID INT & PR COM 01883A107 14,580 1,148,018 SH   SOLE   1,148,018 0 0
ALPINE TOTAL DYNAMIC DIVID F COM SH BEN INT N 021060207 36,906 4,128,193 SH   SOLE   4,128,193 0 0
AMERICAN CAP SR FLOATING LTD COM 02504D108 2,371 212,648 SH   SOLE   212,648 0 0
APOLLO TACTICAL INCOME FD IN COM 037638103 1,511 96,249 SH   SOLE   96,249 0 0
ARES CAP CORP COM 04010L103 7,546 475,494 SH   SOLE   475,494 0 0
ARES DYNAMIC CR ALLOCATION F COM 04014F102 9,578 589,760 SH   SOLE   589,760 0 0
ATLANTIC ACQUISITION CORP RIGHT 02/08/2019 048206304 74 150,000 SH   SOLE   150,000 0 0
ATLANTIC ACQUISITION CORP COM 048206106 1,488 150,000 SH   SOLE   150,000 0 0
BIG ROCK PARTNERS ACQUISI CO UNIT 11/20/2022 089482202 2,484 240,000 SH   SOLE   240,000 0 0
BISON CAP ACQUISITION CORP ORD SHS G1142P104 1,243 125,000 SH   SOLE   125,000 0 0
BISON CAP ACQUISITION CORP RIGHT 03/20/2019 G1142P138 63 125,000 SH   SOLE   125,000 0 0
BISON CAP ACQUISITION CORP *W EXP 06/20/202 G1142P112 25 62,500 SH   SOLE   62,500 0 0
BLACK RIDGE ACQUISITION CORP *W EXP 07/10/202 09216T115 120 300,000 SH   SOLE   300,000 0 0
BLACK RIDGE ACQUISITION CORP COM 09216T107 1,851 191,057 SH   SOLE   191,057 0 0
BLACK RIDGE ACQUISITION CORP RIGHT 07/10/2019 09216T123 30 100,000 SH   SOLE   100,000 0 0
BLACKROCK CORPOR HI YLD FD I COM 09255P107 37,146 3,507,621 SH   SOLE   3,507,621 0 0
BLACKROCK CR ALLCTN INC TR COM 092508100 37,438 2,954,815 SH   SOLE   2,954,815 0 0
BLACKROCK DEBT STRAT FD INC COM NEW 09255R202 13,197 1,135,754 SH   SOLE   1,135,754 0 0
BLACKROCK LTD DURATION INC T COM SHS 09249W101 3,406 225,861 SH   SOLE   225,861 0 0
BLACKROCK MULTI-SECTOR INC T COM 09258A107 14,045 836,494 SH   SOLE   836,494 0 0
BLACKROCK MUN 2030 TAR TERM COM SHS BEN IN 09257P105 6,210 291,413 SH   SOLE   291,413 0 0
BLACKROCK MUNI INTER DR FD I COM 09253X102 6,025 459,578 SH   SOLE   459,578 0 0
BLACKROCK RES & COMM STRAT T SHS 09257A108 152 17,116 SH   SOLE   17,116 0 0
BLACKSTONE GSO STRATEGIC CR COM SHS BEN IN 09257R101 6,095 383,818 SH   SOLE   383,818 0 0
BRANDYWINEGBL GLBAL INM OPRT COM 10537L104 27,580 2,139,638 SH   SOLE   2,139,638 0 0
BROOKFIELD REAL ASSETS INCOM SHS BEN INT 112830104 20,867 958,541 SH   SOLE   958,541 0 0
CBRE CLARION GLOBAL REAL EST COM 12504G100 683 93,500 SH   SOLE   93,500 0 0
CENTRAL FD CDA LTD CL A 153501101 9,179 694,364 SH   SOLE   694,364 0 0
CLOUGH GLOBAL EQUITY FD COM 18914C100 6,716 510,760 SH   SOLE   510,760 0 0
CLOUGH GLOBAL OPPORTUNITIES SH BEN INT 18914E106 28,793 2,690,950 SH   SOLE   2,690,950 0 0
CM SEVEN STAR ACQUISITION CO RIGHT 08/21/2022 G2345N136 96 300,000 SH   SOLE   300,000 0 0
CM SEVEN STAR ACQUISITION CO SHS G2345N102 2,922 300,000 SH   SOLE   300,000 0 0
CM SEVEN STAR ACQUISITION CO *W EXP 08/21/202 G2345N110 53 150,000 SH   SOLE   150,000 0 0
COHEN & STEERS REIT & PFD IN COM 19247X100 192 10,266 SH   SOLE   10,266 0 0
CONSTELLATION ALPHA CAP CORP *W EXP 03/23/202 G2379F116 31 120,000 SH   SOLE   120,000 0 0
CONSTELLATION ALPHA CAP CORP RIGHT 99/99/9999 G2379F132 43 120,000 SH   SOLE   120,000 0 0
CONSTELLATION ALPHA CAP CORP SHS G2379F108 1,110 112,469 SH   SOLE   112,469 0 0
CONVERGEONE HLDGS INC *W EXP 04/12/202 212481113 119 100,000 SH   SOLE   100,000 0 0
CORPORATE CAP TR INC COM 219880101 7,648 452,541 SH   SOLE   452,541 0 0
CUSHING RENAISSANCE FD COM 231647108 1,399 88,965 SH   SOLE   88,965 0 0
DELAWARE ENHANCED GBL DIV & COM 246060107 14,674 1,269,399 SH   SOLE   1,269,399 0 0
DELAWARE INVTS DIV & INCOME COM 245915103 8,178 776,608 SH   SOLE   776,608 0 0
DEUTSCHE MULTI-MKT INCOME TR SHS 25160E102 5,465 623,179 SH   SOLE   623,179 0 0
DEUTSCHE STRATEGIC INCOME TR SHS 25160F109 214 17,460 SH   SOLE   17,460 0 0
DRAPER OAKWOOD TECHNOLOGY RIGHT 09/19/2018 26146L129 68 120,000 SH   SOLE   120,000 0 0
DRAPER OAKWOOD TECHNOLOGY COM CL A 26146L103 1,183 120,000 SH   SOLE   120,000 0 0
DRAPER OAKWOOD TECHNOLOGY *W EXP 09/19/202 26146L111 51 60,000 SH   SOLE   60,000 0 0
EAGLE GRWTH & INCOME OPPTY F COM SHS BEN IN 26958J105 5,664 376,871 SH   SOLE   376,871 0 0
EATON VANCE FLTNG RATE 2022 COM 27831H100 3,050 327,258 SH   SOLE   327,258 0 0
EATON VANCE LTD DUR INCOME F COM 27828H105 43,863 3,368,912 SH   SOLE   3,368,912 0 0
EATON VANCE MUNI INCOME TRUS SH BEN INT 27826U108 1,981 169,147 SH   SOLE   169,147 0 0
EATON VANCE SR INCOME TR SH BEN INT 27826S103 6,734 988,898 SH   SOLE   988,898 0 0
FINTECH ACQUISITION CORP II COM 31810G109 1,243 125,002 SH   SOLE   125,002 0 0
FINTECH ACQUISITION CORP II *W EXP 01/19/202 31810G117 83 62,501 SH   SOLE   62,501 0 0
FIRST TR SR FLOATING RATE 20 COM SHS 33740K101 12,672 1,353,833 SH   SOLE   1,353,833 0 0
FLAHERTY & CRUMRINE TOTAL RE COM 338479108 1,378 69,574 SH   SOLE   69,574 0 0
FS INVT CORP COM 302635107 8,510 1,173,759 SH   SOLE   1,173,759 0 0
GABELLI EQUITY TR INC COM 362397101 1,065 174,001 SH   SOLE   174,001 0 0
GABELLI UTIL TR COM 36240A101 1,152 184,979 SH   SOLE   184,979 0 0
GARRISON CAP INC COM 366554103 10,227 1,259,445 SH   SOLE   1,259,445 0 0
GENERAL AMERN INVS INC COM 368802104 3,682 110,023 SH   SOLE   110,023 0 0
GORDON POINTE ACQUISITION CO UNIT 01/18/2023 382788206 1,808 175,000 SH   SOLE   175,000 0 0
GTY TECHNOLOGY HOLDINGS INC CL A G4182A102 796 80,001 SH   SOLE   80,001 0 0
GTY TECHNOLOGY HOLDINGS INC *W EXP 10/25/202 G4182A128 33 26,667 SH   SOLE   26,667 0 0
HAYMAKER ACQUISITION CORP UNIT 10/19/2022 420870206 2,935 295,000 SH   SOLE   295,000 0 0
HENNESSY CAP ACQUSTON CORP I COM 42588L105 3,078 310,904 SH   SOLE   310,904 0 0
HENNESSY CAP ACQUSTON CORP I *W EXP 06/15/202 42588L113 140 168,750 SH   SOLE   168,750 0 0
HIGHLAND FLOATNG RATE OPPRT SHS BEN INT 43010E404 25,449 1,591,553 SH   SOLE   1,591,553 0 0
HUNTER MARITIME ACQUISITION *W EXP 99/99/999 Y37828129 44 75,001 SH   SOLE   75,001 0 0
I AM CAP ACQUISITION CO *W EXP 05/22/202 45074Q116 66 150,000 SH   SOLE   150,000 0 0
INDUSTREA ACQUISITION CORP *W EXP 08/01/202 45579J112 82 150,000 SH   SOLE   150,000 0 0
INDUSTREA ACQUISITION CORP CL A 45579J104 1,472 150,000 SH   SOLE   150,000 0 0
INVESCO DYNAMIC CR OPP FD COM 46132R104 20,245 1,725,921 SH   SOLE   1,725,921 0 0
INVESCO HIGH INCOME TR II COM 46131F101 11,453 825,764 SH   SOLE   825,764 0 0
INVESCO SR INCOME TR COM 46131H107 26,802 6,091,346 SH   SOLE   6,091,346 0 0
ISHARES TR U.S. REAL ES ETF 464287739 1,655 21,924 SH   SOLE   21,924 0 0
KAYNE ANDERSON MLP INVT CO COM 486606106 17,402 1,056,569 SH   SOLE   1,056,569 0 0
KBL MERGER CORP IV *W EXP 01/15/202 48242A112 55 230,000 SH   SOLE   230,000 0 0
KBL MERGER CORP IV RIGHT 03/22/2019 48242A120 81 230,000 SH   SOLE   230,000 0 0
KBL MERGER CORP IV COM 48242A104 2,171 220,375 SH   SOLE   220,375 0 0
LAZARD WORLD DIVID & INCOME COM 521076109 1,745 151,717 SH   SOLE   151,717 0 0
LEGACY ACQUISITION CORP UNIT 05/31/2024 524643202 1,990 200,000 SH   SOLE   200,000 0 0
LEISURE ACQUISITION CORP UNIT 99/99/9999 52539T206 3,035 306,600 SH   SOLE   306,600 0 0
LIBERTY ALL STAR EQUITY FD SH BEN INT 530158104 38,460 6,273,997 SH   SOLE   6,273,997 0 0
LMP CAP & INCOME FD INC COM 50208A102 819 64,910 SH   SOLE   64,910 0 0
MADISON CVRED CALL & EQ STR COM 557437100 3,178 437,710 SH   SOLE   437,710 0 0
MADISON STRTG SECTOR PREM FD COM 558268108 229 20,427 SH   SOLE   20,427 0 0
MANAGED DURATION INVT GRD FU COM 56165R103 12,919 949,919 SH   SOLE   949,919 0 0
MATLIN & PARTNERS ACQUISITIO CL A 57682V106 1,470 150,000 SH   SOLE   150,000 0 0
MATLIN & PARTNERS ACQUISITIO *W EXP 05/28/202 57682V114 75 150,000 SH   SOLE   150,000 0 0
MEXICO EQUITY & INCOME FD COM 592834105 715 65,237 SH   SOLE   65,237 0 0
MFS CHARTER INCOME TR SH BEN INT 552727109 6,034 743,051 SH   SOLE   743,051 0 0
MFS MULTIMARKET INCOME TR SH BEN INT 552737108 1,459 252,833 SH   SOLE   252,833 0 0
MODERN MEDIA ACQUISITION RIGHT 99/99/9999 60765P129 92 230,000 SH   SOLE   230,000 0 0
MODERN MEDIA ACQUISITION COM 60765P103 2,269 228,000 SH   SOLE   228,000 0 0
MODERN MEDIA ACQUISITION *W EXP 05/17/202 60765P111 60 115,000 SH   SOLE   115,000 0 0
MORGAN STANLEY EM MKTS DM DE COM 617477104 13,304 1,701,272 SH   SOLE   1,701,272 0 0
MORGAN STANLEY EMER MKTS DEB COM 61744H105 10,032 1,068,402 SH   SOLE   1,068,402 0 0
MORGAN STANLEY EMER MKTS FD COM 61744G107 4,263 231,319 SH   SOLE   231,319 0 0
MORGAN STANLEY TRUSTS INCOME SECS INC 61745P874 4,649 246,874 SH   SOLE   246,874 0 0
MTECH ACQUISITION CORP UNIT 01/19/2023 55378W206 1,576 155,000 SH   SOLE   155,000 0 0
MUDRICK CAP ACQUISITION CORP UNIT 02/01/2023 624745204 2,044 200,000 SH   SOLE   200,000 0 0
NATIONAL ENERGY SERVICES REU *W EXP 05/05/202 G6375R115 207 230,000 SH   SOLE   230,000 0 0
NATIONAL ENERGY SERVICES REU SHS G6375R107 2,284 230,000 SH   SOLE   230,000 0 0
NEUBERGER BERMAN HGH YLD FD COM 64128C106 6,030 541,317 SH   SOLE   541,317 0 0
NEUBERGER BERMAN RE ES SEC F COM 64190A103 125 26,180 SH   SOLE   26,180 0 0
NEXPOINT STRATEGIC OPORTUNT COM NEW 65340G205 17,676 769,204 SH   SOLE   769,204 0 0
NUVEEN AMT FREE QLTY MUN INC COM 670657105 46,633 3,587,173 SH   SOLE   3,587,173 0 0
NUVEEN BUILD AMER BD FD COM 67074C103 629 30,243 SH   SOLE   30,243 0 0
NUVEEN CR STRATEGIES INCM FD COM SHS 67073D102 34,624 4,360,713 SH   SOLE   4,360,713 0 0
NUVEEN EMERGING MKTS DEBT 20 COM 67077P101 5,708 634,898 SH   SOLE   634,898 0 0
NUVEEN GLOBAL HIGH INCOME FD SHS 67075G103 7,600 471,457 SH   SOLE   471,457 0 0
NUVEEN INT DUR QUAL MUN TRM COM 670677103 5,505 438,324 SH   SOLE   438,324 0 0
NUVEEN INTER DURATION MN TMF COM 670671106 2,734 217,684 SH   SOLE   217,684 0 0
NUVEEN MTG OPPORTUNITY TERM COM 670735109 8,977 377,174 SH   SOLE   377,174 0 0
NUVEEN MTG OPPTY TERM FD 2 COM 67074R100 8,301 367,124 SH   SOLE   367,124 0 0
NUVEEN MUN VALUE FD INC COM 670928100 3,830 404,451 SH   SOLE   404,451 0 0
NUVEEN PFD & INCM OPPORTNYS COM 67073B106 946 94,481 SH   SOLE   94,481 0 0
NUVEEN PFD & INCOME TERM FD COM 67075A106 890 37,556 SH   SOLE   37,556 0 0
NUVEEN QUALITY MUNCP INCOME COM 67066V101 28,183 2,144,819 SH   SOLE   2,144,819 0 0
OHA INVT CORP COM 67091U102 3,010 2,149,690 SH   SOLE   2,149,690 0 0
ONE MADISON CORP UNIT 99/99/9999 G6772P118 4,000 400,000 SH   SOLE   400,000 0 0
OPES ACQUISITION CORP UNIT 03/07/2023 68373P209 2,514 250,000 SH   SOLE   250,000 0 0
OSPREY ENERGY ACQUISITION CO CL A COM 688397108 1,684 175,000 SH   SOLE   175,000 0 0
OSPREY ENERGY ACQUISITION CO *W EXP 07/21/202 688397116 67 87,500 SH   SOLE   87,500 0 0
PENSARE ACQUISITION CORP COM 70957E105 3,791 389,994 SH   SOLE   389,994 0 0
PENSARE ACQUISITION CORP RIGHT 99/99/9999 70957E121 175 349,994 SH   SOLE   349,994 0 0
PENSARE ACQUISITION CORP *W EXP 07/27/202 70957E113 83 174,997 SH   SOLE   174,997 0 0
PIMCO DYNMIC CREDIT AND MRT COM SHS 72202D106 1,857 81,175 SH   SOLE   81,175 0 0
PIMCO HIGH INCOME FD COM SHS 722014107 2,947 388,789 SH   SOLE   388,789 0 0
PIMCO MUNICIPAL INCOME FD COM 72200R107 1,299 103,646 SH   SOLE   103,646 0 0
PIMCO STRATEGIC INCOME FD IN COM 72200X104 2,608 281,056 SH   SOLE   281,056 0 0
PIONEER MUN HIGH INCOME TR COM SHS 723763108 1,866 165,870 SH   SOLE   165,870 0 0
POWERSHARES ETF TR II EMER MRKT PORT 73936T763 7,231 307,565 SH   SOLE   307,565 0 0
POWERSHARES ETF TRUST FTSE RAFI 1000 73935X583 11,088 100,632 SH   SOLE   100,632 0 0
PRUDENTIAL GLB SHT DUR HG YL COM 74433A109 25,402 1,830,148 SH   SOLE   1,830,148 0 0
PRUDENTIAL SHT DURATION HG Y COM 74442F107 14,523 1,027,780 SH   SOLE   1,027,780 0 0
PUTMAN HIGH INCOME SEC FUND SHS BEN INT 746779107 1,602 177,265 SH   SOLE   177,265 0 0
REAVES UTIL INCOME FD COM SH BEN INT 756158101 13,989 495,542 SH   SOLE   495,542 0 0
ROSEHILL RES INC *W EXP 09/16/202 777385113 99 119,700 SH   SOLE   119,700 0 0
ROYCE MICRO-CAP TR INC COM 780915104 5,858 625,809 SH   SOLE   625,809 0 0
ROYCE VALUE TR INC COM 780910105 1,243 79,861 SH   SOLE   79,861 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 14,678 55,719 SH   SOLE   55,719 0 0
SPECIAL OPPORTUNITIES FD INC PFD CONV SE B 84741T302 4,897 191,280 SH   SOLE   191,280 0 0
SPECIAL OPPORTUNITIES FD INC COM 84741T104 1,789 121,321 SH   SOLE   121,321 0 0
SPROTT FOCUS TR INC COM 85208J109 9,074 1,164,832 SH   SOLE   1,164,832 0 0
STELLAR ACQUISITION III INC COM Y8172W107 2,070 200,000 SH   SOLE   200,000 0 0
STELLAR ACQUISITION III INC *W EXP 03/22/202 Y8172W115 92 200,000 SH   SOLE   200,000 0 0
TCP CAP CORP COM 87238Q103 635 44,651 SH   SOLE   44,651 0 0
TEMPLETON EMERG MKTS INCOME COM 880192109 25,869 2,289,252 SH   SOLE   2,289,252 0 0
TEMPLETON GLOBAL INCOME FD COM 880198106 27,783 4,347,815 SH   SOLE   4,347,815 0 0
TIBERIUS ACQUISITION CORP UNIT 02/28/2021 88633A206 1,262 125,000 SH   SOLE   125,000 0 0
TORTOISE ENERGY INFRA CORP COM 89147L100 7,115 284,843 SH   SOLE   284,843 0 0
TORTOISE MLP FD INC COM 89148B101 1,768 110,685 SH   SOLE   110,685 0 0
TRI CONTL CORP COM 895436103 7,839 297,938 SH   SOLE   297,938 0 0
UNION ACQUISITION CORP UNIT 99/99/9999 G9366W119 2,046 200,000 SH   SOLE   200,000 0 0
VANECK VECTORS ETF TR GOLD MINERS ETF 92189F106 2,980 135,594 SH   SOLE   135,594 0 0
VANGUARD INTL EQUITY INDEX F FTSE EMR MKT ETF 922042858 13,712 291,859 SH   SOLE   291,859 0 0
VANGUARD TAX MANAGED INTL FD FTSE DEV MKT ETF 921943858 5,588 126,277 SH   SOLE   126,277 0 0
VIRTUS TOTAL RETURN FUND INC COM 92837G100 10,291 916,372 SH   SOLE   916,372 0 0
VOYA PRIME RATE TR SH BEN INT 92913A100 23,935 4,594,084 SH   SOLE   4,594,084 0 0
WELLS FARGO INCOME OPPORTUNI WF INC OPPTY FD 94987B105 7,538 937,570 SH   SOLE   937,570 0 0
WESTERN ASSET CLYM INFL OPP COM 95766R104 22,174 1,958,859 SH   SOLE   1,958,859 0 0
WESTERN ASSET CLYM INFL SEC COM SH BEN INT 95766Q106 9,572 830,178 SH   SOLE   830,178 0 0
WESTERN ASSET EMRG MKT DEBT COM 95766A101 56,555 3,892,264 SH   SOLE   3,892,264 0 0
WESTERN ASSET GLB HI INCOME COM 95766B109 21,160 2,248,627 SH   SOLE   2,248,627 0 0
WESTERN ASSET GLOBAL CP DEFI COM 95790C107 1,027 61,413 SH   SOLE   61,413 0 0
WESTERN ASSET HGH YLD DFNDFD COM 95768B107 13,660 935,650 SH   SOLE   935,650 0 0
WESTERN ASSET HIGH INCM FD I COM 95766J102 7,928 1,208,520 SH   SOLE   1,208,520 0 0
WESTERN ASSET HIGH INCM OPP COM 95766K109 43,402 9,023,372 SH   SOLE   9,023,372 0 0