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
ACACIA COMMUNICATIONS INC COM COM 00401C108 7,289 111,449 SH   SOLE   111,449 0 0
ADVANCED DISP SVCS INC DEL COM COM 00790X101 6,260 192,210 SH   SOLE   192,210 0 0
AGBA ACQUISTION LTD COM G0120M133 893 87,800 SH   SOLE   87,800 0 0
ALDER BIOPHARMACEUTICALS INCCO COM 014339105 13,272 703,703 SH   SOLE   703,703 0 0
ALDR 2 1/2 2/1/25 CONVERTIBLE BOND 014339AA3 2,237 2,020,000 PRN   SOLE   2,020,000 0 0
ALEXION PHARMACEUTICALS INC CO COM 015351109 220 2,250 SH   SOLE   2,250 0 0
ALLERGAN PLC SHS COM G0177J108 32,762 194,677 SH   SOLE   194,677 0 0
ALTABA INC COM 021346101 16,684 856,444 SH   SOLE   856,444 0 0
AMCI ACQUISITION CORP CLASS A COM 00165R101 4,438 442,500 SH   SOLE   442,500 0 0
AMCI ACQUISITION CORP WT EXP 0 WARRANT AND RIGH 00165R119 147 418,600 SH   SOLE   418,600 0 0
ANDINA ACQUISITION CORP III RT WARRANT AND RIGH G04415132 73 243,600 SH   SOLE   243,600 0 0
ANDINA ACQUISITION CORP III SH COM G04415108 2,434 243,600 SH   SOLE   243,600 0 0
ANDINA ACQUISITION CORP III WT WARRANT AND RIGH G04415124 49 243,600 SH   SOLE   243,600 0 0
APEX TECHNOLOGY ACQUISITN UNITS 03768F201 810 79,500 SH   SOLE   79,500 0 0
AROTECH CORP COM NEW COM 042682203 1,518 516,300 SH   SOLE   516,300 0 0
AVAYA HLDGS CORP COM COM 05351X101 648 63,300 SH   SOLE   63,300 0 0
B RILEY PRINCIPAL MERGER COR COM 05586Y205 536 53,100 SH   SOLE   53,100 0 0
B RILEY PRINCIPAL MERGER CORCL COM 05586Y106 2,974 300,100 SH   SOLE   300,100 0 0
B RILEY PRINCIPAL MERGER CORWT WARRANT AND RIGH 05586Y114 46 100,150 SH   SOLE   100,150 0 0
BANCORP NEW JERSEY INC NEW COM COM 059915108 1,758 104,080 SH   SOLE   104,080 0 0
BANCROFT FUND LTD COM MUTUAL FUNDS 059695106 1,441 60,941 SH   SOLE   60,941 0 0
BANK OF AMERICA COM 060505104 3,230 110,729 SH   SOLE   110,729 0 0
BANK OF AMERICA CV PFD L 7.250 CONVERTIBLE PREF 060505682 262 175 SH   SOLE   175 0 0
BANK OF NEW YORK MELLON CORP COM 064058100 859 19,000 SH   SOLE   19,000 0 0
BAUSCH HEALTH COMPANIES INC CO COM 071734107 258 11,800 SH   SOLE   11,800 0 0
BROOKFIELD ASSET MGMT INC CL A COM 112585104 821 15,469 SH   SOLE   15,469 0 0
BRUNSWICK CORP COM 117043109 297 5,700 SH   SOLE   5,700 0 0
BUCKEYE PARTNERS L P UNIT LTD OIL & GAS PARTNE 118230101 29,427 716,148 SH   SOLE   716,148 0 0
BUNGE LIMITED COM COM G16962105 255 4,500 SH   SOLE   4,500 0 0
BUNGE LIMITED COM G16962905 945 100 SH Call SOLE   0 0 0
CAESARS ENTMT CORP COM COM 127686103 9,728 834,272 SH   SOLE   834,272 0 0
CAMBREX CORP COM COM 132011107 9,259 155,619 SH   SOLE   155,619 0 0
CARBON BLACK INC COM COM 14081R103 17,022 654,962 SH   SOLE   654,962 0 0
CASTLE BRANDS INC COM COM 148435100 487 386,730 SH   SOLE   386,730 0 0
CBS CORP CLASS A COM 124857103 453 10,450 SH   SOLE   10,450 0 0
CELGENE CORP COM 151020104 54,058 544,390 SH   SOLE   544,390 0 0
CHASERG TECHNLGY ACQUISITN CCL COM 16166A103 2,958 295,536 SH   SOLE   295,536 0 0
CHASERG TECHNLGY ACQUISITN CWT WARRANT AND RIGH 16166A111 132 147,768 SH   SOLE   147,768 0 0
CHENIERE ENERGY, INC. 4.250 0 CONVERTIBLE BOND 16411RAG4 194 250,000 PRN   SOLE   250,000 0 0
CHIPOTLE MEXICAN GRILL INC CL COM 169656105 5,463 6,500 SH   SOLE   6,500 0 0
CIRCOR INTL INC COM COM 17273K109 4,669 124,337 SH   SOLE   124,337 0 0
CITIGROUP INC COM 172967424 518 7,500 SH   SOLE   7,500 0 0
CLEAR CHANNEL OUTDOOR HLDG COM 18453H106 163 64,500 SH   SOLE   64,500 0 0
CLVS 2 1/2 9/15/21 CONVERTIBLE BOND 189464AB6 240 275,000 PRN   SOLE   275,000 0 0
CNH INDUSTRIAL NV COM N20944109 274 27,000 SH   SOLE   27,000 0 0
COASTAL FINANCIAL CORP/WA COM 19046P209 907 60,000 SH   SOLE   60,000 0 0
COHEN & STEERS INC COM COM 19247A100 412 7,500 SH   SOLE   7,500 0 0
CONAGRA BRANDS INC COM 205887102 368 12,000 SH   SOLE   12,000 0 0
CONNECTICUT WTR SVC INC COM COM 207797101 593 8,464 SH   SOLE   8,464 0 0
CORCEPT THERAPEUTICS INC OC-CO COM 218352102 206 14,600 SH   SOLE   14,600 0 0
CORINDUS VASCULAR ROBOTICS ICO COM 218730109 4,010 936,853 SH   SOLE   936,853 0 0
CYPRESS SEMICONDUCTOR CORP COM COM 232806109 20,230 866,759 SH   SOLE   866,759 0 0
DISCOVERY INC-C COM 25470F302 3,171 128,793 SH   SOLE   128,793 0 0
DISH NETWORK CORPORATION COM 25470M109 296 8,700 SH   SOLE   8,700 0 0
DISNEY WALT PRODTNS COM 254687106 391 3,000 SH   SOLE   3,000 0 0
DOVA PHARMACEUTICALS INC COM COM 25985T102 922 33,000 SH   SOLE   33,000 0 0
EATON CORP PLC SHS COM G29183103 657 7,900 SH   SOLE   7,900 0 0
EDTECHX HLDGS ACQUISITION COCO COM 28138X103 1,093 107,700 SH   SOLE   107,700 0 0
EL PASO ELEC CO COM NEW COM 283677854 13,911 207,383 SH   SOLE   207,383 0 0
ENERGIZER HLDGS INC NEW COM 29272W109 501 11,500 SH   SOLE   11,500 0 0
ENPRO INDS INC COM COM 29355X107 213 3,100 SH   SOLE   3,100 0 0
ENTEGRA FINL CORP COM COM 29363J108 2,926 97,400 SH   SOLE   97,400 0 0
EVOLENT HEALTH INC CL A COM 30050B101 134 18,700 SH   SOLE   18,700 0 0
FALCON MINERALS CORP COM 30607B109 451 78,514 SH   SOLE   78,514 0 0
FELLAZO INC COM G3362K104 1,452 145,800 SH   SOLE   145,800 0 0
FORUM MERGER II CORP CL A COM 34986F103 3,730 368,900 SH   SOLE   368,900 0 0
FORUM MERGER II CORP WT EXP 09 WARRANT AND RIGH 34986F111 218 368,900 SH   SOLE   368,900 0 0
FOX CORP CL B COM 35137L204 4,551 144,302 SH   SOLE   144,302 0 0
GABELLI CV SECURITIES FUND MUTUAL FUNDS 36240B109 1,904 357,988 SH   SOLE   357,988 0 0
GABELLI DIV&INC TR COM MUTUAL FUNDS 36242H104 12,568 584,290 SH   SOLE   584,290 0 0
GABELLI GLB SML & MD CP VAL CO MUTUAL FUNDS 36249W104 910 81,737 SH   SOLE   81,737 0 0
GABELLI GLOBAL UTIL & INCOMECO MUTUAL FUNDS 36242L105 6,996 376,250 SH   SOLE   376,250 0 0
GABELLI GO ANYWHERE TRUST MUTUAL FUNDS 36250J109 1,692 107,297 SH   SOLE   107,297 0 0
GABELLI MULTIMEDIA TRST INC MUTUAL FUNDS 36239Q109 2,544 313,253 SH   SOLE   313,253 0 0
GAMCO INVESTORS INC COM COM 361438104 58,973 3,016,501 SH   SOLE   3,016,501 0 0
GAMCO NAT RESOURCE GOLD X MUTUAL FUNDS 36465E101 72 12,664 SH   SOLE   12,664 0 0
GANNETT INC COM 36473H104 1,881 175,181 SH   SOLE   175,181 0 0
GCP APPLIED TECHNOLOGIES INCCO COM 36164Y101 762 39,586 SH   SOLE   39,586 0 0
GDL FUND MUTUAL FUNDS 361570104 15,835 1,723,101 SH   SOLE   1,723,101 0 0
GENERAL ELEC CO COM 369604103 277 31,000 SH   SOLE   31,000 0 0
GENERAL ELEC CO COM 369604903 216 100 SH Call SOLE   0 0 0
GENESEE & WYOMING INC. COM 371559105 19,571 177,094 SH   SOLE   177,094 0 0
GENOMIC HEALTH INC COM COM 37244C101 2,584 38,100 SH   SOLE   38,100 0 0
GENWORTH FINL INC COM CL A COM 37247D106 1,175 267,073 SH   SOLE   267,073 0 0
GIGCAPITAL2 INC COM 375036209 2,096 203,500 SH   SOLE   203,500 0 0
GRIFOLS SA SP ADR REP B NVT COM 398438408 7,825 390,271 SH   SOLE   390,271 0 0
GRUPO TELEVISA SA DE CV ADR (B COM 40049J206 289 29,500 SH   SOLE   29,500 0 0
GYRODYNE LLC COM COM 403829104 1,730 87,994 SH   SOLE   87,994 0 0
HCA HEALTHCARE INC COM 40412C101 241 2,000 SH   SOLE   2,000 0 0
HEICO CORP NEW CL A COM 422806208 7,988 82,091 SH   SOLE   82,091 0 0
HLX 4 1/8 9/15/23 CONVERTIBLE BOND 42330PAJ6 234 200,000 PRN   SOLE   200,000 0 0
ICAHN ENTERPRISES LP DEPOSITRY COM 451100101 462 7,200 SH   SOLE   7,200 0 0
ICPT 2.000 05/15/26 CONVERTIBLE BOND 45845PAB4 318 350,000 PRN   SOLE   350,000 0 0
ICPT 3 1/4 7/1/23 CONVERTIBLE BOND 45845PAA6 172 200,000 PRN   SOLE   200,000 0 0
INFN 2 1/8 9/1/24 CONVERTIBLE BOND 45667GAC7 306 350,000 PRN   SOLE   350,000 0 0
INTERACTIVE BROKERS COM 45841N107 1,721 32,000 SH   SOLE   32,000 0 0
INTERNAP CORP COM PAR COM 45885A409 26 10,000 SH   SOLE   10,000 0 0
INTERNATIONAL GAME TECH PLC SH COM G4863A108 192 13,543 SH   SOLE   13,543 0 0
INTERNATIONAL SPEEDWAY A COM 460335201 9,200 204,388 SH   SOLE   204,388 0 0
IPHI 1 1/8 12/1/20 CONVERTIBLE BOND 45772FAB3 235 150,000 PRN   SOLE   150,000 0 0
KKR & CO INC CL A COM 48251W104 3,287 122,410 SH   SOLE   122,410 0 0
LENNAR B SHARES COM 526057302 7,921 178,531 SH   SOLE   178,531 0 0
LF CAP ACQUISITION CORP CL A COM 50200K108 4,596 447,993 SH   SOLE   447,993 0 0
LF CAP ACQUISITION CORP WT EXP WARRANT AND RIGH 50200K116 143 447,993 SH   SOLE   447,993 0 0
LIBERTY BRAVES GROUP C COM 531229888 315 11,339 SH   SOLE   11,339 0 0
LIBERTY SIRIUS GROUP C COM 531229607 26,917 641,500 SH   SOLE   641,500 0 0
LORAL SPACE & COMMUNICATNS ICO COM 543881106 6,301 152,201 SH   SOLE   152,201 0 0
MADISON SQUARE GARDEN CO NEWCL COM 55825T103 580 2,200 SH   SOLE   2,200 0 0
MAM SOFTWARE GROUP INC COM NEW COM 55277Q201 3,252 269,673 SH   SOLE   269,673 0 0
MDCO 2 3/4 7/15/23 CONVERTIBLE BOND 584688AG0 304 250,000 PRN   SOLE   250,000 0 0
MEDIDATA SOLUTIONS INC COM COM 58471A105 27,802 303,850 SH   SOLE   303,850 0 0
MEGALITH FINANCIAL ACQUISITION COM 58518F109 4,490 443,200 SH   SOLE   443,200 0 0
MELLANOX TECHNOLOGIES LTD SHS COM M51363113 29,694 270,959 SH   SOLE   270,959 0 0
MGM RESORTS INTERNATIONAL COM 552953101 216 7,800 SH   SOLE   7,800 0 0
MIC 2 10/1/23 CONVERTIBLE BOND 55608BAB1 228 250,000 PRN   SOLE   250,000 0 0
MILACRON HLDGS CORP COM COM 59870L106 12,733 763,814 SH   SOLE   763,814 0 0
MITEK SYS INC COM NEW COM 606710200 918 95,120 SH   SOLE   95,120 0 0
MONOCLE ACQUISITION CORP COM COM 609754106 3,632 364,700 SH   SOLE   364,700 0 0
MONOCLE ACQUISITION CORP WT EX WARRANT AND RIGH 609754114 128 284,300 SH   SOLE   284,300 0 0
MONOTYPE IMAGING HOLDINGS INCO COM 61022P100 4,224 213,214 SH   SOLE   213,214 0 0
MUELLER INDS INC COM COM 624756102 229 8,000 SH   SOLE   8,000 0 0
NASDAQ STOCK MARKET INC COM COM 631103108 546 5,500 SH   SOLE   5,500 0 0
NATIONAL FUEL GAS CO N J COM COM 636180101 399 8,500 SH   SOLE   8,500 0 0
NEBULA ACQUISITION CORP COM CL COM 629076100 5,573 546,393 SH   SOLE   546,393 0 0
NEBULA ACQUISITION CORP WT EXP WARRANT AND RIGH 629076118 93 93,031 SH   SOLE   93,031 0 0
NEE 4.872 9/1/22 CV PFD CONVERTIBLE PREF 65339F796 452 9,000 SH   SOLE   9,000 0 0
NEW PROVIDENCE ACQ C COM 64822P205 2,506 248,300 SH   SOLE   248,300 0 0
NEWMONT GOLDCORP CORP COM 651639106 341 9,000 SH   SOLE   9,000 0 0
NII HLDGS INC COM PAR $0.001 COM 62913F508 1,520 775,308 SH   SOLE   775,308 0 0
OIS 1 1/2 2/15/23 CONVERTIBLE BOND 678026AH8 170 200,000 PRN   SOLE   200,000 0 0
OMNOVA SOLUTIONS INC COM COM 682129101 10,116 1,004,533 SH   SOLE   1,004,533 0 0
OPKO HEALTH INC COM COM 68375N103 21 10,000 SH   SOLE   10,000 0 0
OPTION CARE HEALTH INC COM COM 68404L102 2,682 838,209 SH   SOLE   838,209 0 0
PACIFIC BIOSCIENCES CALIF INCO COM 69404D108 6,720 1,302,391 SH   SOLE   1,302,391 0 0
PDCE 1 1/8 9/15/21 CONVERTIBLE BOND 69327RAD3 301 325,000 PRN   SOLE   325,000 0 0
PIVOTAL INVT CORP II UNIT EX 0 UNITS 72582K209 1,678 164,800 SH   SOLE   164,800 0 0
PIVOTAL SOFTWARE INC COM CL A COM 72582H107 19,809 1,327,689 SH   SOLE   1,327,689 0 0
PNC FINANCIAL CORP COM 693475105 505 3,600 SH   SOLE   3,600 0 0
PRESIDIO INC COM COM 74102M103 7,799 461,455 SH   SOLE   461,455 0 0
PROFICIENT ALPHA ACQUISITION C COM 74317H204 1,640 164,000 SH   SOLE   164,000 0 0
RDUS 3.000 09/01/24 CONVERTIBLE BOND 750469AA6 367 400,000 PRN   SOLE   400,000 0 0
ROAN RES INC CL A COM COM 769755109 130 105,550 SH   SOLE   105,550 0 0
RYMAN HOSPITALITY PPTYS INC CO COM 78377T107 720 8,800 SH   SOLE   8,800 0 0
SCRIPPS E W CO OHIO CL A COM 811054402 193 14,500 SH   SOLE   14,500 0 0
SONY CORP-ADR (B:SNE US) COM 835699307 1,419 24,000 SH   SOLE   24,000 0 0
SOTHEBY HLDGS INC COM 835898107 16,284 285,780 SH   SOLE   285,780 0 0
SPARK THERAPEUTICS INC COM COM 84652J103 25,165 259,491 SH   SOLE   259,491 0 0
SPWR 4 1/15/23 CONVERTIBLE BOND 867652AL3 667 725,000 PRN   SOLE   725,000 0 0
STEWARDSHIP FINL CORP COM COM 860326107 2,255 144,555 SH   SOLE   144,555 0 0
SUNTRUST BANKS INC COM 867914103 23,811 346,091 SH   SOLE   346,091 0 0
TALLGRASS ENERGY LP CLASS A SH COM 874696107 2,425 124,600 SH   SOLE   124,600 0 0
TBPH 3 1/4 11/1/23 CONVERTIBLE BOND 88339KAA0 555 600,000 PRN   SOLE   600,000 0 0
TELEPHONE & DATA SYS COM 879433829 501 19,400 SH   SOLE   19,400 0 0
TENZING ACQUISITION CORP ORD S COM G8708A116 2,013 194,500 SH   SOLE   194,500 0 0
TENZING ACQUISITION CORP WT EX WARRANT AND RIGH G8708A108 49 194,500 SH   SOLE   194,500 0 0
TESLA MOTORS 1.250 03/1/21 CONVERTIBLE BOND 88160RAC5 587 600,000 PRN   SOLE   600,000 0 0
TEXAS INSTRUMENTS INC COM 882508104 388 3,000 SH   SOLE   3,000 0 0
TEXAS PAC LD TR SUB CTF PROP I COM 882610108 260 400 SH   SOLE   400 0 0
TEXTRON INC COM 883203101 387 7,900 SH   SOLE   7,900 0 0
TKK SYMPHONY ACQUISITION CORRT WARRANT AND RIGH G88950137 50 208,580 SH   SOLE   208,580 0 0
TKK SYMPHONY ACQUISITION CORWT WARRANT AND RIGH G88950129 19 208,580 SH   SOLE   208,580 0 0
TRINE ACQUISITION CORP COM CL COM 89628U108 977 99,000 SH   SOLE   99,000 0 0
TRINE ACQUISITION CORP WT EXP WARRANT AND RIGH 89628U116 39 49,500 SH   SOLE   49,500 0 0
TRINITY MERGER CORP COM CL A COM 89653L106 4,417 423,100 SH   SOLE   423,100 0 0
TRINITY MERGER CORP WT EXP 051 WARRANT AND RIGH 89653L114 537 423,100 SH   SOLE   423,100 0 0
TWO 6 1/4 1/15/22 CONVERTIBLE BOND 90187BAA9 513 500,000 PRN   SOLE   500,000 0 0
VALLEY NATL BANCORP COM COM 919794107 1,198 110,224 SH   SOLE   110,224 0 0
VANECK VECTORS GOLD MINERS ETF ETF - EQUITY 92189F106 329 12,300 SH   SOLE   12,300 0 0
VANECK VECTORS ETF TR COM 92189F906 390 100 SH Call SOLE   0 0 0
VECTOIQ ACQUISITION CORP COM COM 92243N103 3,492 342,000 SH   SOLE   342,000 0 0
VECTOIQ ACQUISITION CORP WT EX WARRANT AND RIGH 92243N111 140 279,200 SH   SOLE   279,200 0 0
VEON LTD ADR COM 91822M106 101 42,000 SH   SOLE   42,000 0 0
VERIZON COMMUNICATIONS COM 92343V104 1,630 27,000 SH   SOLE   27,000 0 0
VERSUM MATLS INC COM COM 92532W103 29,913 565,137 SH   SOLE   565,137 0 0
VIACOM INC NEW CL A COM 92553P102 320 12,200 SH   SOLE   12,200 0 0
VIACOM INC NEW CL B COM 92553P201 2,808 116,854 SH   SOLE   116,854 0 0
VITAMIN SHOPPE INC COM COM 92849E101 2,318 355,453 SH   SOLE   355,453 0 0
VULCAN MATLS CO COM COM 929160109 363 2,400 SH   SOLE   2,400 0 0
WABCO HLDGS INC COM 92927K102 25,780 192,747 SH   SOLE   192,747 0 0
WELLCARE HEALTH PLANS INC COM COM 94946T106 23,943 92,384 SH   SOLE   92,384 0 0
WELLS FARGO CV PFD L 7.500 CONVERTIBLE PREF 949746804 375 250 SH   SOLE   250 0 0
WELLS FARGO & CO NEW COM 949746101 4,121 81,693 SH   SOLE   81,693 0 0
WESCO AIRCRAFT HLDGS INC COM COM 950814103 12,870 1,168,969 SH   SOLE   1,168,969 0 0
YATRA ONLINE INC ORD SHS COM G98338109 2,589 628,348 SH   SOLE   628,348 0 0
ZAYO GROUP HLDGS INC COM COM 98919V105 29,555 871,840 SH   SOLE   871,840 0 0