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
3-D SYS CORP DEL COM NEW 88554D205 30 89,000 SH Call SOLE   30 0 0
3-D SYS CORP DEL COM NEW 88554D205 208 89,000 SH Put SOLE   208 0 0
3-D SYS CORP DEL COM NEW 88554D205 1,229,090 89,000 SH   SOLE   1,229,090 0 0
ABBOTT LABS COM 002824100 8,947,233 146,700 SH   SOLE   8,947,233 0 0
ADVERUM BIOTECHNOLOGIES INC COM 00773U108 45,050 8,500 SH   SOLE   45,050 0 0
AETNA INC NEW COM 00817Y108 734,000 4,000 SH   SOLE   734,000 0 0
ALLEGHENY TECHNOLOGIES INC NOTE 4.750% 7/0 01741RAG7 2,845,650 1,500,000 SH   SOLE   2,845,650 0 0
ALPHABET INC CAP STK CL A 02079K305 4,290,922 3,800 SH   SOLE   4,290,922 0 0
ALTICE USA INC CL A 02156K103 170,600 10,000 SH   SOLE   170,600 0 0
ALTICE USA INC CL A 02156K103 40 10,000 SH Put SOLE   40 0 0
AMAZON COM INC COM 023135106 34,505,940 20,300 SH   SOLE   34,505,940 0 0
AMAZON COM INC COM 023135106 309 20,300 SH Put SOLE   309 0 0
APOLLO SR FLOATING RATE FD I COM 037636107 228,473 13,991 SH   SOLE   228,473 0 0
APPLE INC COM 037833100 6,738,004 36,400 SH   SOLE   6,738,004 0 0
ARCHER DANIELS MIDLAND CO COM 039483102 7,864,428 171,600 SH   SOLE   7,864,428 0 0
AVISTA HEALTHCARE PUB ACQ CO CL A G0726L125 2,256,414 225,416 SH   SOLE   2,256,414 0 0
BANK AMER CORP 7.25%CNV PFD L 060505682 5,042,500 4,034 SH   SOLE   5,042,500 0 0
BANK AMER CORP COM 060505104 5,392,747 191,300 SH   SOLE   5,392,747 0 0
BIOMARIN PHARMACEUTICAL INC NOTE 0.750%10/1 09061GAE1 5,403,548 5,079,000 SH   SOLE   5,403,548 0 0
BIOMARIN PHARMACEUTICAL INC NOTE 0.599% 8/0 09061GAH4 969,342 950,000 SH   SOLE   969,342 0 0
BLACK RIDGE ACQUISITION CORP COM 09216T107 2,441,263 250,643 SH   SOLE   2,441,263 0 0
BLACKROCK FLOAT RATE OME STR COM 09255X100 208,500 15,000 SH   SOLE   208,500 0 0
BOOKING HLDGS INC COM 09857L108 1,500,047 740 SH   SOLE   1,500,047 0 0
BROOKFIELD PPTY PARTNERS L P UNIT LTD PARTN G16249107 475,500 25,000 SH   SOLE   475,500 0 0
BROOKFIELD PPTY PARTNERS L P UNIT LTD PARTN G16249107 304 25,000 SH Put SOLE   304 0 0
CF INDS HLDGS INC COM 125269100 3,742,920 84,300 SH   SOLE   3,742,920 0 0
CHENIERE ENERGY INC NOTE 4.250% 3/1 16411RAG4 1,582,052 2,000,000 SH   SOLE   1,582,052 0 0
CHEVRON CORP NEW COM 166764100 3,805,543 30,100 SH   SOLE   3,805,543 0 0
CISCO SYS INC COM 17275R102 5,658,445 131,500 SH   SOLE   5,658,445 0 0
CITRIX SYS INC NOTE 0.500% 4/1 177376AD2 355,845 245,000 SH   SOLE   355,845 0 0
CLEVELAND CLIFFS INC DBCV 1.500% 1/1 185899AA9 3,623,820 3,000,000 SH   SOLE   3,623,820 0 0
CM SEVEN STAR ACQUISITION CO SHS G2345N102 5,965,160 605,600 SH   SOLE   5,965,160 0 0
COASTWAY BANCORP INC COM 190632109 1,385,000 50,000 SH   SOLE   1,385,000 0 0
CONOCOPHILLIPS COM 20825C104 3,348,722 48,100 SH   SOLE   3,348,722 0 0
CONSTELLATION ALPHA CAP CORP SHS G2379F108 10,022,279 1,009,293 SH   SOLE   10,022,279 0 0
CTRIP COM INTL LTD NOTE 1.250%10/1 22943FAD2 21,622,851 17,700,000 SH   SOLE   21,622,851 0 0
CVR ENERGY INC COM 12662P108 184,950 5,000 SH   SOLE   184,950 0 0
CVR ENERGY INC COM 12662P108 25 5,000 SH Put SOLE   25 0 0
CYPRESS SEMICONDUCTOR CORP NOTE 4.500% 1/1 232806AM1 2,656,740 2,000,000 SH   SOLE   2,656,740 0 0
DHX MEDIA LTD COM VAR VTG 252406152 157,500 75,000 SH   SOLE   157,500 0 0
DIAMOND OFFSHORE DRILLING IN COM 25271C102 1,818,992 87,200 SH   SOLE   1,818,992 0 0
DIAMOND OFFSHORE DRILLING IN COM 25271C102 711 87,200 SH Put SOLE   711 0 0
DISCOVERY INC COM SER A 25470F104 1,375,000 50,000 SH   SOLE   1,375,000 0 0
DISCOVERY INC COM SER A 25470F104 55 50,000 SH Call SOLE   55 0 0
DISH NETWORK CORP CL A 25470M109 715,893 21,300 SH   SOLE   715,893 0 0
DISH NETWORK CORP NOTE 3.375% 8/1 25470MAB5 96,470 100,000 SH   SOLE   96,470 0 0
DULUTH HLDGS INC COM CL B 26443V101 118,950 5,000 SH   SOLE   118,950 0 0
DULUTH HLDGS INC COM CL B 26443V101 32 5,000 SH Put SOLE   32 0 0
EASTERLY ACQUISITION CORP COM 27616L102 19,685,791 1,920,565 SH   SOLE   19,685,791 0 0
EMERSON ELEC CO COM 291011104 3,961,722 57,300 SH   SOLE   3,961,722 0 0
ENBRIDGE ENERGY PARTNERS L P COM 29250R106 273,250 25,000 SH   SOLE   273,250 0 0
ENERGOUS CORP COM 29272C103 251 31,800 SH Put SOLE   251 0 0
ENERGOUS CORP COM 29272C103 471,594 31,800 SH   SOLE   471,594 0 0
ETSY INC COM 29786A106 1,476,650 35,000 SH   SOLE   1,476,650 0 0
FEDEX CORP COM 31428X106 3,814,608 16,800 SH   SOLE   3,814,608 0 0
FINTECH ACQUISITION CORP II COM 31810G109 4,736,747 475,100 SH   SOLE   4,736,747 0 0
FOREST CITY RLTY TR INC COM CL A 345605109 1,135,459 49,779 SH   SOLE   1,135,459 0 0
GGP INC COM 36174X101 1,327,950 65,000 SH   SOLE   1,327,950 0 0
GIGCAPITAL INC COM 37518N106 4,494,188 455,800 SH   SOLE   4,494,188 0 0
GOPRO INC CL A 38268T103 378,028 58,700 SH   SOLE   378,028 0 0
GOPRO INC CL A 38268T103 251 58,700 SH Put SOLE   251 0 0
GRAMERCY PPTY TR COM NEW 385002308 2,917,230 106,780 SH   SOLE   2,917,230 0 0
GTY TECHNOLOGY HOLDINGS INC CL A G4182A102 1,008,012 100,200 SH   SOLE   1,008,012 0 0
HALLIBURTON CO COM 406216101 671,394 14,900 SH   SOLE   671,394 0 0
HENNESSY CAP ACQUSTON CORP I COM 42588L105 1,992,000 200,000 SH   SOLE   1,992,000 0 0
HERBALIFE LTD NOTE 2.000% 8/1 42703MAB9 5,823,225 4,500,000 SH   SOLE   5,823,225 0 0
HESS CORP DEP PDF SR A 42809H404 422,102 5,619 SH   SOLE   422,102 0 0
HOME DEPOT INC COM 437076102 3,726,410 19,100 SH   SOLE   3,726,410 0 0
HONDA MOTOR LTD AMERN SHS 438128308 1,785 61 SH   SOLE   1,785 0 0
HUAZHU GROUP LTD SPONSORED ADS 44332N106 155,363 3,700 SH   SOLE   155,363 0 0
HUNTER MARITIME ACQUISITION CL A Y37828111 3,463,296 350,536 SH   SOLE   3,463,296 0 0
I AM CAP ACQUISITION CO COM 45074Q108 6,047,752 559,459 SH   SOLE   6,047,752 0 0
ILLUMINA INC COM 452327109 2,709,113 9,700 SH   SOLE   2,709,113 0 0
ILLUMINA INC NOTE 6/1 452327AF6 585,660 500,000 SH   SOLE   585,660 0 0
IMPINJ INC COM 453204109 4,289,340 194,000 SH   SOLE   4,289,340 0 0
IMPINJ INC COM 453204109 100 194,000 SH Put SOLE   100 0 0
INSMED INC NOTE 1.750% 1/1 457669AA7 386,362 420,000 SH   SOLE   386,362 0 0
INTEGRATED DEVICE TECHNOLOGY NOTE 0.875%11/1 458118AC0 12,181,786 10,732,000 SH   SOLE   12,181,786 0 0
INTEL CORP COM 458140100 5,771,331 116,100 SH   SOLE   5,771,331 0 0
INTERDIGITAL INC NOTE 1.500% 3/0 458660AD9 4,748,672 3,949,000 SH   SOLE   4,748,672 0 0
INVESCO CURRENCYSHARES EURO EURO SHS 46138K103 16,809,000 150,000 SH   SOLE   16,809,000 0 0
INVESCO CURRENCYSHARES EURO EURO SHS 46138K103 108 150,000 SH Put SOLE   108 0 0
INVESCO QQQ TR UNIT SER 1 46090E103 162,566,570 948,452 SH   SOLE   162,566,570 0 0
INVESCO QQQ TR UNIT SER 1 46090E103 2,858 948,452 SH Call SOLE   2,858 0 0
INVITATION HOMES INC COM 46187W107 504,899 21,895 SH   SOLE   504,899 0 0
IONIS PHARMACEUTICALS INC COM 462222100 262,521 6,300 SH   SOLE   262,521 0 0
IQIYI INC SPONSORED ADS 46267X108 5,797,850 179,500 SH   SOLE   5,797,850 0 0
IQIYI INC SPONSORED ADS 46267X108 3,674 179,500 SH Put SOLE   3,674 0 0
IROBOT CORP COM 462726100 1,075,934 14,200 SH   SOLE   1,075,934 0 0
IROBOT CORP COM 462726100 141 14,200 SH Put SOLE   141 0 0
IRONWOOD PHARMACEUTICALS INC COM CL A 46333X108 3,269,520 171,000 SH   SOLE   3,269,520 0 0
ISHARES TR 20 YR TR BD ETF 464287432 24,344,000 200,000 SH   SOLE   24,344,000 0 0
JAZZ INVESTMENTS I LTD NOTE 1.875% 8/1 472145AB7 3,377,706 3,102,000 SH   SOLE   3,377,706 0 0
JINKOSOLAR HLDG CO LTD SPONSORED ADR 47759T100 1,192,482 86,600 SH   SOLE   1,192,482 0 0
JINKOSOLAR HLDG CO LTD SPONSORED ADR 47759T100 8 86,600 SH Call SOLE   8 0 0
JINKOSOLAR HLDG CO LTD SPONSORED ADR 47759T100 333 86,600 SH Put SOLE   333 0 0
JOHNSON & JOHNSON COM 478160104 15,143,232 124,800 SH   SOLE   15,143,232 0 0
JPMORGAN CHASE & CO COM 46625H100 8,085,920 77,600 SH   SOLE   8,085,920 0 0
KBL MERGER CORP IV COM 48242A104 10,101,485 1,020,352 SH   SOLE   10,101,485 0 0
LEO HOLDINGS CORP COM CL A G5463L105 996,922 103,201 SH   SOLE   996,922 0 0
LIBERTY PPTY TR SH BEN INT 531172104 1,244,210 28,067 SH   SOLE   1,244,210 0 0
MATCH GROUP INC COM 57665R106 3,343,262 86,300 SH   SOLE   3,343,262 0 0
MATCH GROUP INC COM 57665R106 711 86,300 SH Put SOLE   711 0 0
MICROCHIP TECHNOLOGY INC NOTE 1.625% 2/1 595017AD6 13,914,216 7,930,000 SH   SOLE   13,914,216 0 0
MICROCHIP TECHNOLOGY INC NOTE 1.625% 2/1 595017AF1 5,941,756 5,060,000 SH   SOLE   5,941,756 0 0
MICRON TECHNOLOGY INC NOTE 3.000%11/1 595112AY9 8,242,380 4,500,000 SH   SOLE   8,242,380 0 0
MICROSOFT CORP COM 594918104 7,878,939 79,900 SH   SOLE   7,878,939 0 0
MIMEDX GROUP INC COM 602496101 748,908 117,200 SH   SOLE   748,908 0 0
MIMEDX GROUP INC COM 602496101 26 117,200 SH Call SOLE   26 0 0
MIMEDX GROUP INC COM 602496101 2,485 117,200 SH Put SOLE   2,485 0 0
MODERN MEDIA ACQUISITION COM 60765P103 9,255,560 930,207 SH   SOLE   9,255,560 0 0
MTGE INVT CORP COM 55378A105 7,722,557 394,008 SH   SOLE   7,722,557 0 0
MUDRICK CAP ACQUISITION CORP COM CLASS A 624745105 1,203,366 125,090 SH   SOLE   1,203,366 0 0
NABORS INDUSTRIES LTD 6% PFD CNV SR A G6359F129 1,139,850 25,000 SH   SOLE   1,139,850 0 0
NUANCE COMMUNICATIONS INC DBCV 1.000%12/1 67020YAK6 2,142,180 2,400,000 SH   SOLE   2,142,180 0 0
NXP SEMICONDUCTORS N V NOTE 1.000%12/0 62952QAB6 9,743,592 8,136,000 SH   SOLE   9,743,592 0 0
NXP SEMICONDUCTORS N V COM N6596X109 764,890 7,000 SH   SOLE   764,890 0 0
OKTA INC CL A 679295105 1,793,172 35,600 SH   SOLE   1,793,172 0 0
PACIRA PHARMACEUTICALS INC COM 695127100 256,400 8,000 SH   SOLE   256,400 0 0
PFIZER INC COM 717081103 8,939,392 246,400 SH   SOLE   8,939,392 0 0
PINNACLE FOODS INC DEL COM 72348P104 1,301,200 20,000 SH   SOLE   1,301,200 0 0
PURE ACQUISITION CORP CL A 74621Q106 8,257,412 856,578 SH   SOLE   8,257,412 0 0
RENREN INC SPON ADR A NEW 759892201 116,831 47,300 SH   SOLE   116,831 0 0
RENREN INC SPON ADR A NEW 759892201 251 47,300 SH Put SOLE   251 0 0
ROKU INC COM CL A 77543R102 1,738,896 40,800 SH   SOLE   1,738,896 0 0
ROKU INC COM CL A 77543R102 251 40,800 SH Put SOLE   251 0 0
ROYAL GOLD INC COM 780287108 1,021,240 11,000 SH   SOLE   1,021,240 0 0
COMMUNITY HEALTH SYS INC NEW RIGHT 12/31/2019 203668116 4,400 400,000 SH   SOLE   4,400 0 0
CONSTELLATION ALPHA CAP CORP RIGHT 99/99/9999 G2379F132 21,084 50,200 SH   SOLE   21,084 0 0
KBL MERGER CORP IV RIGHT 03/22/2019 48242A120 17,500 50,000 SH   SOLE   17,500 0 0
MODERN MEDIA ACQUISITION RIGHT 99/99/9999 60765P129 13,582 26,120 SH   SOLE   13,582 0 0
RYDER SYS INC COM 783549108 538,950 7,500 SH   SOLE   538,950 0 0
SANDRIDGE ENERGY INC COM NEW 80007P869 88,700 5,000 SH   SOLE   88,700 0 0
SEI INVESTMENTS CO COM 784117103 1,250,400 20,000 SH   SOLE   1,250,400 0 0
SHIRE PLC SPONSORED ADR 82481R106 337,600 2,000 SH   SOLE   337,600 0 0
SILICON LABORATORIES INC COM 826919102 69,720 700 SH   SOLE   69,720 0 0
SNAP INC CL A 83304A106 2,196,502 167,800 SH   SOLE   2,196,502 0 0
SNAP INC CL A 83304A106 358 167,800 SH Call SOLE   358 0 0
SNAP INC CL A 83304A106 1,988 167,800 SH Put SOLE   1,988 0 0
SPARK ENERGY INC CL A COM 846511103 196,648 20,169 SH   SOLE   196,648 0 0
SPDR DOW JONES INDL AVRG ETF UT SER 1 78467X109 185,217,773 763,551 SH   SOLE   185,217,773 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 100,238,929 369,675 SH   SOLE   100,238,929 0 0
SPDR SERIES TRUST S&P REGL BKG 78464A698 921,100 15,100 SH   SOLE   921,100 0 0
SPECTRA ENERGY PARTNERS LP COM 84756N109 1,009,470 28,500 SH   SOLE   1,009,470 0 0
SPLUNK INC COM 848637104 991,100 10,000 SH   SOLE   991,100 0 0
SPOTIFY TECHNOLOGY S A SHS L8681T102 3,028,320 18,000 SH   SOLE   3,028,320 0 0
SPOTIFY TECHNOLOGY S A SHS L8681T102 85 18,000 SH Put SOLE   85 0 0
SQUARE INC CL A 852234103 924,600 15,000 SH   SOLE   924,600 0 0
STANLEY BLACK & DECKER INC COM 854502101 1,766,373 13,300 SH   SOLE   1,766,373 0 0
STELLAR ACQUISITION III INC COM Y8172W107 3,339,210 322,629 SH   SOLE   3,339,210 0 0
STEWART INFORMATION SVCS COR COM 860372101 202,429 4,700 SH   SOLE   202,429 0 0
SUNPOWER CORP COM 867652406 5 125,500 SH Call SOLE   5 0 0
SUNPOWER CORP COM 867652406 828 125,500 SH Put SOLE   828 0 0
SUNPOWER CORP COM 867652406 962,585 125,500 SH   SOLE   962,585 0 0
TERADYNE INC NOTE 1.250%12/1 880770AG7 7,977,498 6,002,000 SH   SOLE   7,977,498 0 0
TEVA PHARMACEUTICAL INDS LTD SPONSORED ADR 881624209 608,000 25,000 SH   SOLE   608,000 0 0
THE TRADE DESK INC COM CL A 88339J105 3,161,060 33,700 SH   SOLE   3,161,060 0 0
THE TRADE DESK INC COM CL A 88339J105 4 33,700 SH Put SOLE   4 0 0
TRANSENTERIX INC COM NEW 89366M201 610,400 140,000 SH   SOLE   610,400 0 0
TRANSENTERIX INC COM NEW 89366M201 246 140,000 SH Put SOLE   246 0 0
TRANSOCEAN INC DEB 0.500% 1/3 893830BJ7 3,585,100 2,500,000 SH   SOLE   3,585,100 0 0
TRIDENT ACQUISITIONS CORP COM 89615T106 3,661,125 375,500 SH   SOLE   3,661,125 0 0
TRINITY INDS INC COM 896522109 513,900 15,000 SH   SOLE   513,900 0 0
TRINITY MERGER CORP COM CL A 89653L106 2,784,450 285,000 SH   SOLE   2,784,450 0 0
TRUPANION INC COM 898202106 459,340 11,900 SH   SOLE   459,340 0 0
TRUPANION INC COM 898202106 27 11,900 SH Put SOLE   27 0 0
TWITTER INC NOTE 1.000% 9/1 90184LAD4 5,510,028 5,675,000 SH   SOLE   5,510,028 0 0
UNION ACQUISITION CORP SHS G9366W101 2,425,407 250,300 SH   SOLE   2,425,407 0 0
NEXTERA ENERGY INC UNIT 09/01/2019 65339F820 14,299,539 251,107 SH   SOLE   14,299,539 0 0
VALE S A ADR 91912E105 5,138,256 400,800 SH   SOLE   5,138,256 0 0
VANECK VECTORS ETF TR JR GOLD MINERS E 92189F791 1,635,000 50,000 SH   SOLE   1,635,000 0 0
VANECK VECTORS ETF TR JR GOLD MINERS E 92189F791 48 50,000 SH Call SOLE   48 0 0
WALMART INC COM 931142103 573,855 6,700 SH   SOLE   573,855 0 0
WAYFAIR INC CL A 94419L101 1,650,764 13,900 SH   SOLE   1,650,764 0 0
WEATHERFORD INTL LTD NOTE 5.875% 7/0 947075AH0 592 593 SH   SOLE   592 0 0
WESTERN DIGITAL CORP COM 958102105 1,617,869 20,900 SH   SOLE   1,617,869 0 0
WORKDAY INC CL A 98138H101 496,592 4,100 SH   SOLE   496,592 0 0
XL GROUP LTD COM G98294104 839,250 15,000 SH   SOLE   839,250 0 0
YAHOO INC NOTE 12/0 984332AF3 5,342,627 3,907,000 SH   SOLE   5,342,627 0 0
ZILLOW GROUP INC CL C CAP STK 98954M200 868,182 14,700 SH   SOLE   868,182 0 0
ZYNGA INC CL A 98986T108 1,013,430 249,000 SH   SOLE   1,013,430 0 0