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 CHILE FD INC COM 00301W105 10,847 1,200,518 SH   SOLE   1,200,518 0 0
ABERDEEN GTR CHINA FD COM 003031101 4,553 337,765 SH   SOLE   337,765 0 0
ABERDEEN EMERGING MKTS SMALL COM 00301T102 2,003 135,335 SH   SOLE   135,335 0 0
ABERDEEN INDONESIA FD COM 00305P106 2,360 323,672 SH   SOLE   323,672 0 0
ABERDEEN ISRAEL FUND INC COM 00301L109 5,653 290,182 SH   SOLE   290,182 0 0
ABERDEEN JAPAN EQUITY FD COM 00306J109 5,670 618,996 SH   SOLE   618,996 0 0
ABERDEEN LATIN AMERICAN EQTY COM 00306K106 4,173 152,417 SH   SOLE   152,417 0 0
ABERDEEN SINGAPORE FD INC COM 003244100 6,569 495,436 SH   SOLE   495,436 0 0
ADAMS EXPRESS COMPANY COM 006212104 3,543 239,896 SH   SOLE   239,896 0 0
ALLIANCE CALIF MUNI INCOME COM 018546101 7,950 625,484 SH   SOLE   625,484 0 0
ALPINE GLOBAL PREMIER PPTYS COM 02083A103 771 123,487 SH   SOLE   123,487 0 0
ALPINE TOTAL DYNAMIC DIVIDEND COM 021060207 1,436 160,670 SH   SOLE   160,670 0 0
ALTA MESA Warrants 02133L117 116 75,000 SH   SOLE   75,000 0 0
ASIA PAC FD INC COM COM 044901106 458 30,920 SH   SOLE   30,920 0 0
ASIA TIGERS FUND INC COM 04516T105 2,343 186,265 SH   SOLE   186,265 0 0
ATLANTIC ACQUISITION CORP COM 048206106 2,974 299,750 SH   SOLE   299,750 0 0
ATLANTIC ACQUISITION COR -RTS Rights 048206304 74 150,000 SH   SOLE   150,000 0 0
AVISTA HEALTHCARE PUB ACQ CO COM G0726L125 2,994 302,136 SH   SOLE   302,136 0 0
AVISTA HEALTHCARE PUB ACQ CO *W EXP 99/99/999 G0726L117 84 254,286 SH   SOLE   254,286 0 0
BARINGTON HILCO ACQUISITION COM 06759V101 133 12,500 SH   SOLE   12,500 0 0
BARINGTON HILCO ACQUISITION *W EXP 02/11/201 06759V127 10 49,649 SH   SOLE   49,649 0 0
BIG ROCK PARTNERS ACQUISTION COM 089482103 2,455 251,505 SH   SOLE   251,505 0 0
BIG ROCK PARTNERS ACQUISTION-RT Rights 089482129 88 250,000 SH   SOLE   250,000 0 0
BIG ROCK PARTNERS ACQUISTION-CW22 Warrants 089482111 41 125,000 SH   SOLE   125,000 0 0
BISON CAPITAL ACQUISITION COM G1142P104 1,988 199,998 SH   SOLE   199,998 0 0
BISON CAPITAL ACQUISITION CO-RT Rights G1142P138 100 199,998 SH   SOLE   199,998 0 0
BISON CAPITAL ACQUISITION CO-CW22 Warrants G1142P112 40 99,999 SH   SOLE   99,999 0 0
BLACK RIDGE ACQUISITION CORP COM COM 09216T107 3,685 380,300 SH   SOLE   380,300 0 0
BLACK RIDGE ACQUISITION CORP RTS EXP Rights 09216T123 108 360,500 SH   SOLE   360,500 0 0
BLACK RIDGE ACQUISTION CORP CW Warrants 09216T115 122 349,000 SH   SOLE   349,000 0 0
BLACKROCK DEBT STRAT FD INC COM NEW 09255R202 367 31,558 SH   SOLE   31,558 0 0
BLACKROCK NEW YORK MUN INCOME QUALITY TR COM COM 09249U105 2,169 173,541 SH   SOLE   173,541 0 0
BOULDER GROWTH & INCM FD INC COM 101507101 4,599 426,605 SH   SOLE   426,605 0 0
CENTRAL SECS CORP COM COM 155123102 9,819 368,295 SH   SOLE   368,295 0 0
CHINA FUND INC COM 169373107 18,523 836,651 SH   SOLE   836,651 0 0
CM SEVEN STAR ACQUISTION SHS G2345N102 4,971 510,394 SH   SOLE   510,394 0 0
CM SEVEN STAR ACQUISITION CORP RTS EXP 2018 Rights G2345N136 163 510,394 SH   SOLE   510,394 0 0
CM SEVEN STAR ACQUISITION CORP WTS EXP 08/21/2022 Warrants G2345N110 89 255,197 SH   SOLE   255,197 0 0
CONSTELLATION ALPHA CAPITAL CORP SHS G2379F108 1,081 109,500 SH   SOLE   109,500 0 0
CONSTELLATION ALPHA CAPITAL-RT Rights G2379F132 20 56,000 SH   SOLE   56,000 0 0
CONSTELLATION ALPHA CAPITAL-CW22 Warrants G2379F116 12 50,000 SH   SOLE   50,000 0 0
CONVERGEONE HOLDINGS IN-CW24 Warrants 212481113 139 116,711 SH   SOLE   116,711 0 0
DELAWARE ENHANCED GBL DIV & COM 246060107 10,133 876,537 SH   SOLE   876,537 0 0
DELAWARE INV DIVIDEND & INV COM 245915103 2,038 193,189 SH   SOLE   193,189 0 0
DEUTSCHE MULTI-MARKET INCOME SHS 25160E102 7,718 879,059 SH   SOLE   879,059 0 0
DEUTSCHE STRATEGIC INCOME TR SHS 25160F109 2,940 239,751 SH   SOLE   239,751 0 0
DIVIDEND & INCOME FD COM NEW COM NEW 25538A204 1,269 101,000 SH   SOLE   101,000 0 0
DRAPER OAKWOOD TECHNOLOGY AC COM 26146L103 2,465 249,996 SH   SOLE   249,996 0 0
DRAPER OAKWOOD TECHNOLOGY AC-RT Rights 26146L129 142 249,996 SH   SOLE   249,996 0 0
DRAPER OAKWOOD TECHNOLOGY AC-CW22 Warrants 26146L111 106 124,998 SH   SOLE   124,998 0 0
ELECTRUM SPL ACQUISITION COR *W EXP 99/99/999 G3105C112 50 147,507 SH   SOLE   147,507 0 0
EQUUS TOTAL RETURN INC COM 294766100 1,183 497,162 SH   SOLE   497,162 0 0
FRANKLIN UNVL TR SH BEN INT 355145103 2,946 435,867 SH   SOLE   435,867 0 0
GABELLI GLOBAL SMALL & MID CAP VALUE TR COM COM 36249W104 308 25,713 SH   SOLE   25,713 0 0
GDL FUND COM 361570104 147 15,730 SH   SOLE   15,730 0 0
GENERAL AMERICAN INVESTORS COM 368802104 1,634 48,808 SH   SOLE   48,808 0 0
GIGCAPITAL INC COM 37518N106 2,315 239,988 SH   SOLE   239,988 0 0
GIGCAPITAL INC Unit 37518N205 104 10,000 SH   SOLE   10,000 0 0
GIGCAPITAL INC-RTS Rights 37518N114 85 239,988 SH   SOLE   239,988 0 0
GIGCAPITAL INC-CW23 Warrants 37518N122 78 179,991 SH   SOLE   179,991 0 0
GREAT ELM CAP CORP COM 390320109 3,827 415,072 SH   SOLE   415,072 0 0
GSV CAPITAL CORP COM 36191J101 453 60,104 SH   SOLE   60,104 0 0
HAYMAKER ACQUISITION CORP UNIT 1 COM & 1/2 WT EXP EXP 10/23/24 Unit 420870206 1,200 120,600 SH   SOLE   120,600 0 0
HENNESSY CAP ACQUISITION CORP III COM COM 42588L105 137 13,800 SH   SOLE   13,800 0 0
HERZFELD CARIBBEAN BASIN FD COM 42804T106 503 69,940 SH   SOLE   69,940 0 0
HILL INTERNATIONAL INC COM 431466101 20,352 3,570,458 SH   SOLE   3,570,458 0 0
HUNTER MARITIME ACQUISITION CL A Y37828111 2,150 219,825 SH   SOLE   219,825 0 0
HUNTER MARITIME ACQUISITION WTS W EXP 99/99/999 Y37828129 48 109,913 SH   SOLE   109,913 0 0
I-AM CAPITAL ACQUISITION CO COM 45074Q108 2,490 250,000 SH   SOLE   250,000 0 0
I AM CAP ACQUISITION CO Rights 45074Q124 84 250,000 SH   SOLE   250,000 0 0
I AM CAP ACQUISITION CO Warrants 45074Q116 100 250,000 SH   SOLE   250,000 0 0
INDUSTREA ACQUISITION CORP COM 45579J104 5,886 600,000 SH   SOLE   600,000 0 0
INDUSTREA ACQUISITION CORP-CW22 Warrants 45579J112 329 600,000 SH   SOLE   600,000 0 0
INFRA AND ENERGY ALT. WTS Warrants 45686J112 135 155,461 SH   SOLE   155,461 0 0
JAPAN SMALLER CAPTLZTN FD INC COM 47109U104 8,421 685,169 SH   SOLE   685,169 0 0
KAYNE ANDERSON ACQUISITION COM 48661U102 324 33,064 SH   SOLE   33,064 0 0
KAYNE ANDERSON ACQUISITION-CW22 Warrants 48661U110 10 11,021 SH   SOLE   11,021 0 0
KBL MERGER CORP IV COM 48242A104 4,935 501,000 SH   SOLE   501,000 0 0
KBL MERGER CORP IV-RTS Rights 48242A120 175 500,000 SH   SOLE   500,000 0 0
KBL MERGER CORP IV-CW22 Warrants 48242A112 120 500,000 SH   SOLE   500,000 0 0
LANDCADIA HOLDINGS INC COM 51476W107 398 39,600 SH   SOLE   39,600 0 0
LAZARD GLOBAL TOT RT & INC COM 52106W103 793 39,901 SH   SOLE   39,901 0 0
LAZARD WORLD DIVIDEND & INCOME COM 521076109 2,710 235,666 SH   SOLE   235,666 0 0
LEISURE ACQUISITION CORP UNIT Unit 52539T206 1,707 172,500 SH   SOLE   172,500 0 0
MANAGED DURATION INVESTMENT COM 56165R103 248 18,227 SH   SOLE   18,227 0 0
M I ACQUISITIONS INC COM 55304A104 2,596 248,696 SH   SOLE   248,696 0 0
M I ACQUISITIONS INC *W EXP 99/99/999 55304A112 302 377,235 SH   SOLE   377,235 0 0
MODERN MEDIA ACQUISITION COR COM 60765P103 2,882 289,686 SH   SOLE   289,686 0 0
MODERN MEDIA ACQUISITION-RTS Rights 60765P129 110 282,352 SH   SOLE   282,352 0 0
MODERN MEDIA ACQUISITIO-CW22 Warrants 60765P111 76 147,043 SH   SOLE   147,043 0 0
MORGAN STANLEY ASIA PAC FD COM 61744U106 6,805 373,673 SH   SOLE   373,673 0 0
MTECH ACQUISITION CORP. COM 55378W107 2,251 235,000 SH   SOLE   235,000 0 0
MTECH ACQUISITION CORP UNIT Units 55378W206 162 16,000 SH   SOLE   16,000 0 0
MTECH ACQUISITION CORP Warrants 55378W115 143 235,000 SH   SOLE   235,000 0 0
MUDRICK CAPITAL ACQUISTION Units 624745204 1,533 150,000 SH   SOLE   150,000 0 0
MVC CAPITAL INC COM 553829102 7,965 802,106 SH   SOLE   802,106 0 0
NEW IRELAND FUND COM 645673104 2,008 166,645 SH   SOLE   166,645 0 0
NEW YORK REIT INC COM 64976L109 15,317 712,106 SH   SOLE   712,106 0 0
NUVEEN CONNECTICUT QLTY MUN FD COM 67060D107 3,434 298,595 SH   SOLE   298,595 0 0
OPES ACQUISTION CORP. Units 68373P209 1,508 150,000 SH   SOLE   150,000 0 0
PENSARE ACQUISITION CORP COM 70957E105 1,712 176,141 SH   SOLE   176,141 0 0
PENSARE ACQUISITION CORP Rights 70957E121 46 91,894 SH   SOLE   91,894 0 0
PENSARE ACQUISITION CORP Warrants 70957E117 21 42,297 SH   SOLE   42,297 0 0
PUTNAM HIGH INCOME SECURITIE SHS BEN INT 746779107 17,834 1,972,832 SH   SOLE   1,972,832 0 0
REGALWOOD GLOBAL ENERGY LTD UNIT Untis G74760110 340 33,700 SH   SOLE   33,700 0 0
ROYCE VALUE TRUST COM 780910105 423 27,200 SH   SOLE   27,200 0 0
SENTINEL ENERGY SERVICES Units G8062D128 252 25,450 SH   SOLE   25,450 0 0
SOURCE CAPITAL INC COM 836144105 7,658 191,957 SH   SOLE   191,957 0 0
STELLAR ACQUISITION III INC COM Y8172W107 8,799 853,049 SH   SOLE   853,049 0 0
STELLAR AQCUISITION III *W EXP 03/22/202 Y8172W115 297 646,469 SH   SOLE   646,469 0 0
STEWART INFORMATION SERVICES COM 860372101 22,086 502,648 SH   SOLE   502,648 0 0
SWISS HELVETIA FUND COM 870875101 25,869 2,111,785 SH   SOLE   2,111,785 0 0
TAIWAN FD INC COM 874036106 7,575 358,140 SH   SOLE   358,140 0 0
TIBERIUS ACQUISTION Units 88633A206 3,271 325,000 SH   SOLE   325,000 0 0
TRI CONTL CORP COM COM 895436103 6,945 263,957 SH   SOLE   263,957 0 0
TRINITY PLACE HOLDINGS INC COM 89656D101 1,353 208,166 SH   SOLE   208,166 0 0
UNION ACQUISITION CORP UNITS Unit G9366W119 6,138 600,000 SH   SOLE   600,000 0 0
VIVOPOWER INTERNATIONAL PLC SHS G9376R100 126 56,895 SH   SOLE   56,895 0 0