SEC FORM 13F-HR

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 COVER PAGE

OMB APPROVAL
OMB Number:3235-0006
Expires:Oct 31, 2018
Estimated average burden
hours per response:23.8

Report for the Calendar Year or Quarter Ended:03-31-2018
Check here if Amendment  Amendment Number:
This Amendment (Check only one.):  is a restatement.
  adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name:COWEN INC.
Address:599 LEXINGTON AVENUE, 20TH FLOOR
NEW YORK, NY  10022
Form 13F File Number:028-14571

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of Reporting Manager:
Name:Owen Littman
Title:General Counsel
Phone:212-201-4841
Signature, Place, and Date of Signing:
/s/ Owen LittmanNew YorkNY05-10-2018
[Signature][City, State][Date]
Report Type (Check only one.):
X13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.)
  13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).)
  13F COMBINATION REPORT. (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)
Form 13F Summary Page
Report Summary:
Number of Other Included Managers:5
Form 13F Information Table Entry Total:418
Form 13F Information Table Value Total:976,814,220
(thousands)
List of Other Included Managers:
Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.
[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]
No.Form 13F File NumberName
1028-10674RAMIUS ADVISORS LLC
2028-04125COWEN & COMPANY, LLC
3 COWEN EXECUTION SERVICES LLC
4028-13626Cowen Investment Management LLC
5028-18662Margate Capital Management LP

SEC FORM 13-F Information Table

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
Expires:Oct 31, 2018
Estimated average burden
hours per response:23.8

COLUMN 1COLUMN 2COLUMN 3COLUMN 4COLUMN 5COLUMN 6COLUMN 7COLUMN 8
VALUESHRS ORSH/PUT/INVESTMENTOTHERVOTING AUTHORITY
NAME OF ISSUERTITLE OF CLASSCUSIP(x$1000)PRN AMTPRNCALLDISCRETIONMANAGERSOLESHAREDNONE
22ND CENTY GROUP INCCOM90137F10317675,000SH DFND275,00000
8POINT3 ENERGY PARTNERS LPCL A RPT LTDPT2825391052,075170,818SH DFND1170,81800
ABLYNX NVSPONSORED ADR00372Y10573,6711,350,227SH DFND11,350,22700
ACADIA PHARMACEUTICALS INCCOM00422510879135,200SH DFND235,20000
ACADIA PHARMACEUTICALS INCCOM0042251081,34860,000SHCallDFND260,00000
ACADIA PHARMACEUTICALS INCCOM0042251081,41663,000SHPutDFND263,00000
ACCELERATE DIAGNOSTICS INCCOM00430H10226711,700SH DFND211,70000
ACCENTURE PLC IRELANDSHS CLASS AG1151C101368240,000SHPutDFND4240,00000
ACHAOGEN INCCOM00444910429722,900SHPutDFND222,90000
ACORDA THERAPEUTICS INCCOM00484M1063,552150,180SH DFND1150,18000
ACORDA THERAPEUTICS INCCOM00484M10624,15818,900,000SHCallDFND118,900,00000
ACORDA THERAPEUTICS INCCOM00484M10678,66748,250,000SHPutDFND148,250,00000
ADOBE SYS INCCOM00724F10123,299107,828SH DFND5107,82800
AETNA INC NEWCOM00817Y1083,76922,300SHCallDFND222,30000
AETNA INC NEWCOM00817Y108198,3191,173,487SH DFND11,173,48700
AETNA INC NEWCOM00817Y108438,687,885182,490,000SHCallDFND1182,490,00000
AGILENT TECHNOLOGIES INCCOM00846U1011,58223,650SH DFND223,65000
AGILENT TECHNOLOGIES INCCOM00846U1012,18132,600SHPutDFND232,60000
AGROFRESH SOLUTIONS*W EXP 07/31/20200856G117359718,110SH DFND2718,11000
AIMMUNE THERAPEUTICS INCCOM00900T10740412,700SH DFND212,70000
AIMMUNE THERAPEUTICS INCCOM00900T10786027,000SHPutDFND227,00000
AKORN INCCOM0097281063,949211,037SH DFND1211,03700
AKORN INCCOM009728106389,8558,990,000SHCallDFND18,990,00000
AKORN INCCOM00972810623012,300SHCallDFND212,30000
AKORN INCCOM00972810655629,700SHPutDFND229,70000
ALDER BIOPHARMACEUTICALS INCCOM01433910522918,000SH DFND218,00000
ALDER BIOPHARMACEUTICALS INCCOM01433910522217,500SHPutDFND217,50000
ALNYLAM PHARMACEUTICALS INCCOM02043Q1071,19110,000SHCallDFND210,00000
ALPHABET INCCAP STK CL C02079K107992961SH DFND496100
ALPHABET INCCAP STK CL C02079K10751650,000SHPutDFND450,00000
ALTA MESA RES INC*W EXP 03/28/20202133L1171,5961,029,377SH DFND21,029,37700
ALTA MESA RES INCCL A02133L1091,658207,198SH DFND4207,19800
ALTABA INCCOM0213461015,90179,700SH DFND479,70000
ALTRIA GROUP INCCOM02209S103542870,000SHCallDFND4870,00000
ALTRIA GROUP INCCOM02209S103262420,000SHPutDFND4420,00000
AMAZON COM INCCOM02313510611,4857,935SH DFND47,93500
AMAZON COM INCCOM02313510643430,000SHCallDFND430,00000
AMERISOURCEBERGEN CORPCOM03073E1059,921115,074SH DFND1115,07400
AMICUS THERAPEUTICS INCCOM03152W1091,00066,500SH DFND266,50000
AMICUS THERAPEUTICS INCCOM03152W1091,804120,000SHCallDFND2120,00000
AMICUS THERAPEUTICS INCCOM03152W1091,774118,000SHPutDFND2118,00000
ANALOG DEVICES INCCOM03265410512,013131,822SH DFND5131,82200
APPLE INCCOM0378331001,88411,231SH DFND411,23100
APPLE INCCOM037833100487290,000SHCallDFND4290,00000
APPLE INCCOM037833100487290,000SHPutDFND4290,00000
APTIV PLCSHSG6095L10913,147154,727SH DFND5154,72700
ARCHER DANIELS MIDLAND COCOM0394831022,38555,000SH DFND255,00000
ARCHER DANIELS MIDLAND COCOM0394831022,60260,000SHCallDFND260,00000
ARCHER DANIELS MIDLAND COCOM0394831022,60260,000SHPutDFND260,00000
ASSEMBLY BIOSCIENCES INCCOM0453961081,22825,000SHCallDFND225,00000
AT&T INCCOM00206R1021,429,714201,530,000SHCallDFND1201,530,00000
AT&T INCCOM00206R10266818,745SH DFND118,74500
ATARA BIOTHERAPEUTICS INCCOM0465131072937,500SHCallDFND27,50000
AUTOMATIC DATA PROCESSING INCOM053015103636560,000SHPutDFND4560,00000
AUTOZONE INCCOM05333210258490,000SHPutDFND490,00000
BED BATH & BEYOND INCCOM07589610083839,900SHCallDFND239,90000
BED BATH & BEYOND INCCOM07589610027713,200SHPutDFND213,20000
BHP BILLITON LTDSPONSORED ADR0886061083,68983,027SH DFND483,02700
BHP BILLITON PLCSPONSORED ADR05545E20981020,395SH DFND420,39500
BIG ROCK PARTNERS ACQUISI COCOM08948210316416,738SH DFND216,73800
BIG ROCK PARTNERS ACQUISI COUNIT 11/20/202208948220230329,300SH DFND229,30000
BIOGEN INCCOM09062X1033761,373SH DFND41,37300
BIOMARIN PHARMACEUTICAL INCCOM09061G1011,06213,100SHCallDFND213,10000
BISON CAP ACQUISITION CORP*W EXP 06/20/202G1142P1121025,502SH DFND225,50200
BISON CAP ACQUISITION CORPRIGHT 03/20/2019G1142P1381632,172SH DFND232,17200
BLACK RIDGE ACQUISITION CORP*W EXP 07/10/20209216T11557141,874SH DFND2141,87400
BLACK RIDGE ACQUISITION CORPCOM09216T10714915,379SH DFND215,37900
BLACK RIDGE ACQUISITION CORPUNIT 10/05/202209216T20652150,000SH DFND450,00000
BLACKHAWK NETWORK HLDGS INCCOM09238E10451,8021,158,874SH DFND11,158,87400
BLACKROCK INCCOM09247X1016,05811,183SH DFND511,18300
BOOKING HLDGS INCCOM09857L10820810,000SHCallDFND410,00000
BOOKING HLDGS INCCOM09857L10862430,000SHPutDFND430,00000
BP PLCSPONSORED ADR0556221042,63565,000SHCallDFND265,00000
BRISTOL MYERS SQUIBB COCOM1101221082213,500SH DFND43,50000
BRISTOL MYERS SQUIBB COCOM110122108595940,000SHPutDFND4940,00000
BROADCOM LTDSHSY098271091,1785,000SHCallDFND25,00000
BROADCOM LTDSHSY098271091,1785,000SHPutDFND25,00000
BUNGE LIMITEDCOMG169621052,28430,900SHCallDFND230,90000
CADENCE DESIGN SYSTEM INCCOM12738710813,281361,183SH DFND5361,18300
CAESARS ENTMT CORPCOM1276861036,716597,001SH DFND5597,00100
CALLIDUS SOFTWARE INCCOM13123E5001,10730,800SH DFND130,80000
CAPITAL ONE FINL CORPCOM14040H1054795,000SH DFND45,00000
CAPITOL INVT CORP IVCL A ORDG18920101967100,000SH DFND4100,00000
CAPITOL INVT CORP IVUNIT 99/99/9999G1892011955755,017SH DFND255,01700
CAPITOL INVT CORP IVUNIT 99/99/9999G1892011950650,000SH DFND450,00000
CAVIUM INCCOM14964U108226,3922,851,997SH DFND12,851,99700
CHARTER COMMUNICATIONS INC NCL A16119P10812,57240,395SH DFND540,39500
CHEVRON CORP NEWCOM166764100297260,000SHPutDFND4260,00000
CHICAGO BRIDGE & IRON CO N VCOM1672501097,883547,464SH DFND1547,46400
CHIPOTLE MEXICAN GRILL INCCOM169656105549170,000SHPutDFND4170,00000
CIGNA CORPORATIONCOM12550910914,302,87139,830,000SHCallDFND139,830,00000
CIGNA CORPORATIONCOM1255091091,67710,000SHCallDFND210,00000
CISCO SYS INCCOM17275R1024681,090,000SHPutDFND41,090,00000
CISCO SYS INCCOM17275R1022145,000SH DFND45,00000
CISION LTD*W EXP 06/22/202G1992S1179942,485SH DFND242,48500
CM SEVEN STAR ACQUISITION COUNIT 08/21/2022G2345N12853251,901SH DFND251,90100
CM SEVEN STAR ACQUISITION COUNIT 08/21/2022G2345N1282,563250,000SH DFND4250,00000
COCA COLA COCOM1912161004651,070,000SHPutDFND41,070,00000
COMMSCOPE HLDG CO INCCOM20337X1091,45136,314SH DFND536,31400
COMMSCOPE HLDG CO INCCOM20337X10978,14119,820,000SHCallDFND519,820,00000
COMMUNITY HEALTH SYS INC NEWRIGHT 99/99/9999203668116443,889,814SH DFND23,889,81400
CONOCOPHILLIPSCOM20825C104480810,000SHPutDFND4810,00000
CONSTELLATION ALPHA CAP CORPSHSG2379F1081,711173,340SH DFND2173,34000
CONSTELLATION ALPHA CAP CORPUNIT 99/99/9999G2379F12462759,771SH DFND259,77100
CONSTELLATION BRANDS INCCL A21036P10810,98648,200SHPutDFND248,20000
CONSTELLATION BRANDS INCCL A21036P1086,33627,800SH DFND227,80000
CONSTELLATION BRANDS INCCL A21036P1089,39041,200SHCallDFND241,20000
CONVERGEONE HLDGS INCCOM CL A21248110515316,530SH DFND216,53000
COSTCO WHSL CORP NEWCOM22160K105207110,000SHCallDFND4110,00000
COSTCO WHSL CORP NEWCOM22160K105207110,000SHPutDFND4110,00000
CVS HEALTH CORPCOM1266501002994,800SH DFND24,80000
CVS HEALTH CORPCOM1266501002,950,359110,420,000SHCallDFND1110,420,00000
CVS HEALTH CORPCOM1266501003,48456,000SHCallDFND256,00000
CVS HEALTH CORPCOM1266501004,34869,900SHPutDFND269,90000
CYMABAY THERAPEUTICS INCCOM23257D10328622,000SHCallDFND222,00000
DASEKE INC*W EXP 02/27/20223753F115514446,701SH DFND2446,70100
DEERE & COCOM24419910512,30479,217SH DFND579,21700
DEL TACO RESTAURANTS INC*W EXP 06/30/2022454961124720,643SH DFND220,64300
DERMIRA INCCOM24983L10432040,000SH DFND240,00000
DISCOVERY COMMUNICATNS NEWCOM SER C25470F3026,167315,931SH DFND4315,93100
DISNEY WALT COCOM DISNEY2546871063,22632,118SH DFND532,11800
DISNEY WALT COCOM DISNEY254687106231230,000SHCallDFND4230,00000
DISNEY WALT COCOM DISNEY254687106271270,000SHPutDFND4270,00000
DOMINION ENERGY INCCOM25746U10946,14934,580,000SHCallDFND134,580,00000
DOVER CORPCOM26000310898210,000SHPutDFND210,00000
DR PEPPER SNAPPLE GROUP INCCOM26138E1091,65714,000SH DFND114,00000
DRAPER OAKWOOD TECHNOLOGYUNIT 09/30/202426146L20227825,900SH DFND225,90000
DST SYS INC DELCOM23332610737,194444,642SH DFND1444,64200
DXC TECHNOLOGY COCOM23355L1068958,900SH DFND28,90000
DXC TECHNOLOGY COCOM23355L1062,79527,800SHPutDFND227,80000
DYNEGY INC NEW DEL*W EXP 02/02/20226817R157933,348SH DFND233,34800
EL PASO ELEC COCOM NEW2836778540951,000SH DFND1951,00000
ELECTRONIC ARTS INCCOM28551210924,066198,500SHCallDFND2198,50000
ELECTRONIC ARTS INCCOM28551210917,010140,300SHPutDFND2140,30000
ELECTRONIC ARTS INCCOM2855121095,69847,000SH DFND247,00000
ENBRIDGE INCCOM29250N1052,01263,957SH DFND463,95700
ENEL GENERACION CHILE S ASPONSORED ADR29244T10110,507368,322SH DFND4368,32200
ENVISION HEALTHCARE CORPCOM29414D1003,40288,518SH DFND188,51800
EQT CORPCOM26884L1092044,300SHCallDFND24,30000
EQT CORPCOM26884L10964613,600SHPutDFND213,60000
EXELIXIS INCCOM30161Q10422210,000SHCallDFND210,00000
EXELIXIS INCCOM30161Q10422210,000SHPutDFND210,00000
EXPRESS SCRIPTS HLDG COCOM30219G1081,155,46719,130,000SHCallDFND119,130,00000
EXPRESS SCRIPTS HLDG COCOM30219G10886312,500SHPutDFND212,50000
EXPRESS SCRIPTS HLDG COCOM30219G1081,20917,500SHCallDFND217,50000
EXPRESS SCRIPTS HLDG COCOM30219G108227,9333,299,553SH DFND13,299,55300
EXPRESS SCRIPTS HLDG COCOM30219G108518750,000SHCallDFND4750,00000
EXXON MOBIL CORPCOM30231G1026428,600SH DFND48,60000
EXXON MOBIL CORPCOM30231G1021,1491,540,000SHPutDFND41,540,00000
FACEBOOK INCCL A30303M1021,75811,000SH DFND211,00000
FACEBOOK INCCL A30303M10211,63572,813SH DFND572,81300
FACEBOOK INCCL A30303M10211,98575,000SHCallDFND275,00000
FACEBOOK INCCL A30303M1025,59335,000SHPutDFND235,00000
FGL HLDGS*W EXP 11/30/202G3402M11013976,180SH DFND276,18000
FGL HLDGSORD SHSG3402M10252151,300SH DFND451,30000
FINTECH ACQUISITION CORP II*W EXP 01/19/20231810G117147111,316SH DFND2111,31600
FINTECH ACQUISITION CORP IICOM31810G1091,168117,522SH DFND2117,52200
GENERAL DYNAMICS CORPCOM369550108398180,000SHCallDFND4180,00000
GENERAL DYNAMICS CORPCOM3695501086633,000SH DFND43,00000
GENERAL ELECTRIC COCOM3696041031,483110,000SH DFND2110,00000
GENERAL ELECTRIC COCOM3696041035,734425,400SHPutDFND2425,40000
GIGCAPITAL INCRIGHT 03/06/202037518N114410,400SH DFND210,40000
GOLDMAN SACHS GROUP INCCOM38141G104479190,000SHCallDFND4190,00000
GORES HLDGS II INC*W EXP 01/13/2023828671175329,562SH DFND229,56200
GORES HLDGS II INCCOM CL A3828671091,541154,053SH DFND2154,05300
GTY TECHNOLOGY HOLDINGS INCCL AG4182A102995100,000SH DFND4100,00000
GTY TECHNOLOGY HOLDINGS INCUNIT 99/99/9999G4182A11017416,823SH DFND216,82300
HAIN CELESTIAL GROUP INCCOM4052171001,05232,800SH DFND232,80000
HAIN CELESTIAL GROUP INCCOM4052171001,60750,100SHPutDFND250,10000
HAYMAKER ACQUISITION CORPUNIT 10/19/20224208702064,975500,000SH DFND4500,00000
HELIOS & MATHESON ANALYTICSCOM NEW42327L20014250,000SH DFND350,00000
HENNESSY CAP ACQUSTON CORP I*W EXP 06/15/20242588L1132530,605SH DFND230,60500
HENNESSY CAP ACQUSTON CORP IUNIT 06/15/202442588L2044,734450,000SH DFND4450,00000
HESS CORPCOM42809H1071,03820,500SHCallDFND220,50000
HOME DEPOT INCCOM437076102517290,000SHPutDFND4290,00000
HRG GROUP INCCOM40434J1002,868173,896SH DFND4173,89600
HUNTER MARITIME ACQUISITION*W EXP 99/99/999Y378281295490,887SH DFND290,88700
HUNTER MARITIME ACQUISITION*W EXP 99/99/999Y37828129170287,500SH DFND4287,50000
HUNTER MARITIME ACQUISITIONCL AY378281115,664575,000SH DFND4575,00000
I AM CAP ACQUISITION CO*W EXP 05/22/20245074Q11646105,748SH DFND2105,74800
I AM CAP ACQUISITION CORIGHT 05/22/201945074Q124719,258SH DFND219,25800
IAC INTERACTIVECORPCOM44919P5081,5019,600SH DFND49,60000
ILG INCCOM44967H1011,01332,565SH DFND232,56500
ILG INCCOM44967H1013,267105,000SHPutDFND2105,00000
ILG INCCOM44967H1012,73587,900SHCallDFND287,90000
IMMUNOGEN INCCOM45253H10120219,200SHPutDFND219,20000
INCYTE CORPCOM45337C1023,01736,200SHCallDFND236,20000
INCYTE CORPCOM45337C1021,40816,900SHPutDFND216,90000
INDUSTREA ACQUISITION CORP*W EXP 08/01/20245579J11256102,439SH DFND2102,43900
INDUSTREA ACQUISITION CORPCL A45579J1049810,000SH DFND410,00000
INDUSTREA ACQUISITION CORPUNIT 07/21/202445579J20317216,525SH DFND216,52500
INDUSTREA ACQUISITION CORPUNIT 07/21/202445579J20352050,000SH DFND450,00000
INSMED INCCOM PAR $.0145766930741718,500SH DFND218,50000
INSMED INCCOM PAR $.0145766930788039,100SHPutDFND239,10000
INTERNATIONAL BUSINESS MACHSCOM459200101230150,000SHCallDFND4150,00000
INTERNATIONAL BUSINESS MACHSCOM459200101230150,000SHPutDFND4150,00000
INTERNATIONAL BUSINESS MACHSCOM4592001015753,750SH DFND43,75000
INTL PAPER COCOM460146103534,86135,400,000SHCallDFND135,400,00000
IOVANCE BIOTHERAPEUTICS INCCOM46226010025415,000SHCallDFND215,00000
ISHARES TR1 3 YR CR BD ETF46428864610,380100,000SH DFND4100,00000
ISHARES TRNASDAQ BIOTECH4642875562,13420,000SHPutDFND220,00000
ISHARES TRRUSSELL 2000 ETF46428765556,93637,500,000SHPutDFND437,500,00000
JOHNSON & JOHNSONCOM4781601044303,357SH DFND43,35700
JOHNSON & JOHNSONCOM478160104231180,000SHCallDFND4180,00000
JOHNSON & JOHNSONCOM478160104705550,000SHPutDFND4550,00000
KAPSTONE PAPER & PACKAGING CCOM48562P1033,701107,880SH DFND1107,88000
KAYNE ANDERSON ACQUISITIONUNIT 06/30/202248661U20173272,831SH DFND272,83100
KAYNE ANDERSON ACQUISITIONUNIT 06/30/202248661U20110,0621,000,826SH DFND41,000,82600
KBL MERGER CORP IV*W EXP 01/15/20248242A1121144,595SH DFND244,59500
KBL MERGER CORP IVRIGHT 03/22/201948242A12035101,044SH DFND2101,04400
KROGER COCOM5010441015962,490,000SHCallDFND42,490,00000
LA JOLLA PHARMACEUTICAL COCOM PAR $.0001 25034596041,19340,054SH DFND240,05400
LA QUINTA HLDGS INCCOM50420D1084,741250,694SH DFND4250,69400
LADDER CAP CORPCL A50574310416410,879SH DFND210,87900
LADDER CAP CORPCL A50574310475450,000SH DFND450,00000
LEGACY ACQUISITION CORP*W EXP 11/30/20252464311175214,327SH DFND2214,32700
LEGACY ACQUISITION CORPUNIT 05/31/202452464320279079,414SH DFND279,41400
LEGACY ACQUISITION CORPUNIT 05/31/20245246432022,985300,000SH DFND4300,00000
LEISURE ACQUISITION CORP*W EXP 12/05/20152539T1151216,498SH DFND216,49800
LEISURE ACQUISITION CORPUNIT 99/99/999952539T20611011,100SH DFND211,10000
LENNAR CORPCL A5260571045,01085,000SHCallDFND285,00000
LENNAR CORPCL A5260571042,06335,000SHPutDFND235,00000
LENNAR CORPCL A5260571041,29722,000SH DFND222,00000
LENNAR CORPCL B5260573022,14945,070SH DFND445,07000
LIBERTY LATIN AMERICA LTDCOM CL CG9001E12822511,800SH DFND411,80000
LIBERTY MEDIA CORP DELAWARECOM A SIRIUSXM53122940910,757261,725SH DFND4261,72500
LIONS GATE ENTMNT CORPCL B NON VTG5359195002,886119,852SH DFND4119,85200
LIONS GATE ENTMNT CORPCL B NON VTG5359195007,620316,440SH DFND5316,44000
LOCKHEED MARTIN CORPCOM53983010930490,000SHPutDFND490,00000
LULULEMON ATHLETICA INCCOM55002110999811,202SH DFND211,20200
LULULEMON ATHLETICA INCCOM5500211091,33715,000SHPutDFND215,00000
M I ACQUISITIONS INC*W EXP 11/15/20255304A1123239,421SH DFND239,42100
M I ACQUISITIONS INCCOM55304A10412712,157SH DFND212,15700
M I ACQUISITIONS INCUNIT 99/99/999955304A20388980,490SH DFND280,49000
MADISON SQUARE GARDEN CO NEWCL A55825T1039,32137,923SH DFND537,92300
MANULIFE FINL CORPCOM56501R10640621,848SH DFND421,84800
MARATHON OIL CORPCOM5658491061,27479,000SHCallDFND279,00000
MARATHON PETE CORPCOM56585A1021,68223,000SHCallDFND223,00000
MATLIN & PARTNERS ACQUISITIOUNIT 05/28/2021A57682V2056,168600,000SH DFND4600,00000
MAXIM INTEGRATED PRODS INCCOM57772K1013,41056,618SH DFND556,61800
MCKESSON CORPCOM58155Q1035634,000SHPutDFND24,00000
MEDTRONIC PLCSHSG5960L103233290,000SHCallDFND4290,00000
MERCK & CO INCCOM58933Y105272500,000SHCallDFND4500,00000
MERCK & CO INCCOM58933Y105229420,000SHPutDFND4420,00000
METLIFE INCCOM59156R108243530,000SHCallDFND4530,00000
MGM RESORTS INTERNATIONALCOM55295310148313,800SHCallDFND213,80000
MGM RESORTS INTERNATIONALCOM55295310135010,000SHPutDFND210,00000
MICROSEMI CORPCOM595137100551,893125,700,000SHCallDFND1125,700,00000
MICROSEMI CORPCOM5951371003245,000SHCallDFND25,00000
MICROSEMI CORPCOM595137100366,6435,665,062SH DFND15,665,06200
MICROSEMI CORPCOM595137100229,49745,620,000SHPutDFND145,620,00000
MICROSOFT CORPCOM59491810416,999186,248SH DFND5186,24800
MICROSOFT CORPCOM594918104219240,000SHCallDFND4240,00000
MODERN MEDIA ACQUISITION*W EXP 05/17/20260765P111815,604SH DFND215,60400
MODERN MEDIA ACQUISITIONCOM60765P1033,509352,622SH DFND2352,62200
MODERN MEDIA ACQUISITIONUNIT 99/99/999960765P20226625,000SH DFND225,00000
MODERN MEDIA ACQUISITIONUNIT 99/99/999960765P2021,898178,699SH DFND4178,69900
MONDELEZ INTL INCCL A609207105271650,000SHCallDFND4650,00000
MONDELEZ INTL INCCL A609207105367880,000SHPutDFND4880,00000
MONSANTO CO NEWCOM61166W10141,133352,500SHPutDFND2352,50000
MONSANTO CO NEWCOM61166W10172,849624,296SH DFND1624,29600
MONSANTO CO NEWCOM61166W10131,716271,800SHCallDFND2271,80000
MOSAIC ACQUISITION CORP*W EXP 10/23/202G628481255342,719SH DFND242,71900
MOSAIC ACQUISITION CORPSHS CL AG628481091,951200,100SH DFND2200,10000
MOSAIC ACQUISITION CORPUNIT 99/99/9999G628481171,286127,859SH DFND2127,85900
MULESOFT INCCL A6252071052,96067,309SH DFND167,30900
MYOKARDIA INCCOM62857M1052204,500SH DFND24,50000
MYOKARDIA INCCOM62857M1054298,800SHPutDFND28,80000
NANOVIRICIDES INCCOM NEW6300872030373,750SH DFND1373,75000
NEUROCRINE BIOSCIENCES INCCOM64125C1091,93223,300SHCallDFND223,30000
NEVRO CORPCOM64157F1031,99323,000SHCallDFND223,00000
NEXTERA ENERGY INCCOM65339F1018175,000SH DFND45,00000
NIKE INCCL B654106103498750,000SHCallDFND4750,00000
NORTHROP GRUMMAN CORPCOM6668071026982,000SH DFND42,00000
NVIDIA CORPCOM67066G1041,3485,820SH DFND45,82000
NXP SEMICONDUCTORS N VCOMN6596X109249,8712,135,647SH DFND12,135,64700
NXP SEMICONDUCTORS N VCOMN6596X10918,674159,600SHPutDFND2159,60000
NXP SEMICONDUCTORS N VCOMN6596X109488,033,594182,490,000SHCallDFND1182,490,00000
NXP SEMICONDUCTORS N VCOMN6596X10940,729348,100SHCallDFND2348,10000
OCCIDENTAL PETE CORP DELCOM674599105273420,000SHPutDFND4420,00000
OCI PARTNERS LPCOM UNIT REP LP67091N1086,503710,763SH DFND4710,76300
OCLARO INCCOM NEW67555N20633535,000SHCallDFND235,00000
ONE MADISON CORP*W EXP 99/99/999G6772P1263538,712SH DFND238,71200
ONE MADISON CORPCOM CL AG6772P10025827,024SH DFND227,02400
ONEMAIN HLDGS INCCOM68268W1031,82360,900SHCallDFND260,90000
ORACLE CORPCOM68389X105334730,000SHCallDFND4730,00000
ORBOTECH LTDORDM7525310014,774237,604SH DFND1237,60400
OSPREY ENERGY ACQUISITION CO*W EXP 07/21/20268839711677101,947SH DFND2101,94700
OSPREY ENERGY ACQUISITION COUNIT 07/21/20226883972071,010100,000SH DFND4100,00000
PAYPAL HLDGS INCCOM70450Y10321,921288,930SH DFND5288,93000
PENN NATL GAMING INCCOM7075691095,016191,023SH DFND1191,02300
PENSARE ACQUISITION CORPRIGHT 99/99/999970957E1211326,330SH DFND226,33000
PEPSICO INCCOM7134481086,30157,730SH DFND557,73000
PEPSICO INCCOM7134481083273,000SHCallDFND23,00000
PEPSICO INCCOM713448108349320,000SHCallDFND4320,00000
PEPSICO INCCOM713448108229210,000SHPutDFND4210,00000
PETROBRAS ARGENTINA S ASPONS ADR71646J10910,032850,162SH DFND4850,16200
PG&E CORPCOM69331C108325740,000SHCallDFND4740,00000
PHH CORPCOM NEW69332020278575,000SH DFND175,00000
PHILIP MORRIS INTL INCCOM718172109219220,000SHPutDFND4220,00000
PHILLIPS 66COM718546104317330,000SHCallDFND4330,00000
PINNACLE FOODS INC DELCOM72348P1043,48864,482SH DFND564,48200
PIONEER NAT RES COCOM7237871071,2887,500SHCallDFND27,50000
PLATINUM EAGLE ACQUISITIN CO*W EXP 01/17/202G7126L118218174,327SH DFND2174,32700
PLATINUM EAGLE ACQUISITIN COSHS CL AG7126L1004,253431,811SH DFND2431,81100
PLUG POWER INCCOM NEW72919P202485256,700SHPutDFND2256,70000
POWERSHARES QQQ TRUSTUNIT SER 173935A1044,778,19928,530,000SHPutDFND528,530,00000
PROCTER AND GAMBLE COCOM742718109349440,000SHCallDFND4440,00000
PROCTER AND GAMBLE COCOM742718109460580,000SHPutDFND4580,00000
PROSHARES TRULTRASHRT S&P50074347B3831,12627,488SH DFND427,48800
PRUDENTIAL SHT DURATION HG YCOM74442F10724317,225SH DFND417,22500
PTC THERAPEUTICS INCCOM69366J20054120,000SHCallDFND220,00000
QUALCOMM INCCOM74752510339,329709,780SH DFND1709,78000
QUALCOMM INCCOM7475251038,589155,000SHPutDFND2155,00000
QUALCOMM INCCOM7475251033,099,12661,960,000SHPutDFND161,960,00000
QUALCOMM INCCOM74752510322,263401,800SHCallDFND2401,80000
QUALCOMM INCCOM7475251032,878,84898,660,000SHCallDFND198,660,00000
QUANTA SVCS INCCOM74762E1022758,000SH DFND28,00000
QUANTA SVCS INCCOM74762E10234410,000SHPutDFND210,00000
RAYTHEON COCOM NEW7551115077553,500SH DFND43,50000
RAYTHEON COCOM NEW755111507216100,000SHCallDFND4100,00000
RAYTHEON COCOM NEW755111507324150,000SHPutDFND4150,00000
REGALWOOD GLOBAL ENERGY LTD*W EXP 12/05/202G74760128251228,390SH DFND2228,39000
RIMINI STR INC DELCOM76674Q1074,417516,015SH DFND2516,01500
RITE AID CORPCOM7677541048450,000SH DFND450,00000
ROCKWELL COLLINS INCCOM7743411012021,500SH DFND21,50000
ROCKWELL COLLINS INCCOM7743411011,0657,900SHPutDFND27,90000
ROCKWELL COLLINS INCCOM77434110187,319647,528SH DFND1647,52800
ROKU INCCOM CL A77543R1024,66515,000,000SHCallDFND415,000,00000
SABAN CAP ACQUISITION CORP*W EXP 09/21/20278516C1144232,632SH DFND232,63200
SABAN CAP ACQUISITION CORPCOM CL A78516C10610310,329SH DFND210,32900
SABAN CAP ACQUISITION CORPUNIT 99/99/999978516C2051,167110,898SH DFND2110,89800
SALESFORCE COM INCCOM79466L30222,714195,309SH DFND5195,30900
SANOFIRIGHT 12/31/202080105N1131945,000SH DFND245,00000
SCHLUMBERGER LTDCOM806857108220340,000SHPutDFND4340,00000
SCHWAB CHARLES CORP NEWCOM80851310586216,500SH DFND416,50000
SEAGATE TECHNOLOGY PLCSHSG7945M1076261,070,000SHCallDFND41,070,00000
SEAGATE TECHNOLOGY PLCSHSG7945M107211360,000SHPutDFND4360,00000
SENTINEL ENERGY SVCS INC*W EXP 11/02/202G8062D110202212,512SH DFND2212,51200
SENTINEL ENERGY SVCS INCUNIT 11/02/2022G8062D1283,968400,000SH DFND4400,00000
SERVICENOW INCCOM81762P10212,20073,738SH DFND573,73800
SIMON PPTY GROUP INC NEWCOM828806109232150,000SHCallDFND4150,00000
SIMPLY GOOD FOODS CO*W EXP 07/07/20282900L11033092,822SH DFND292,82200
SIRIUS XM HLDGS INCCOM82968B10361899,000SH DFND299,00000
SIRIUS XM HLDGS INCCOM82968B1031,934310,000SHPutDFND2310,00000
SIRIUS XM HLDGS INCCOM82968B1034,68075,000,000SHPutDFND475,000,00000
SOCIAL CAP HEDOSOPHIA HLDGS*W EXP 09/14/202G8250R1297746,244SH DFND246,24400
SOCIAL CAP HEDOSOPHIA HLDGSCL AG8250R1031,920191,394SH DFND2191,39400
SPDR S&P 500 ETF TRTR UNIT78462F1037,00026,600SHCallDFND226,60000
SPDR S&P 500 ETF TRTR UNIT78462F1034,025,40612,120,000SHPutDFND512,120,00000
SPDR S&P 500 ETF TRTR UNIT78462F103342130,000SHCallDFND4130,00000
SPDR S&P 500 ETF TRTR UNIT78462F1031,832,47188,130,000SHCallDFND188,130,00000
SPDR S&P 500 ETF TRTR UNIT78462F1035,80422,054SH DFND522,05400
SPDR S&P 500 ETF TRTR UNIT78462F1031,3034,950SH DFND24,95000
SPDR S&P 500 ETF TRTR UNIT78462F1033,92814,928SH DFND114,92800
SPDR S&P 500 ETF TRTR UNIT78462F1036322,400SHPutDFND22,40000
SPLUNK INCCOM8486371044,20142,700SH DFND542,70000
SPRINT CORPCOM SER 185207U10528157,500SH DFND257,50000
SPRINT CORPCOM SER 185207U10543088,200SHPutDFND288,20000
SPROTT PHYSICAL GOLD & SILVETR UNIT85208R10110,528796,340SH DFND4796,34000
STARBUCKS CORPCOM855244109295510,000SHCallDFND4510,00000
STELLAR ACQUISITION III INCCOMY8172W1074,147400,683SH DFND2400,68300
STEMLINE THERAPEUTICS INCCOM85858C10734722,700SH DFND422,70000
STERLING BANCORP DELCOM85917A1001,17251,960SH DFND451,96000
STEWART INFORMATION SVCS CORCOM8603721017,601172,981SH DFND1172,98100
T MOBILE US INCCOM8725901042814,600SHCallDFND24,60000
TAKE-TWO INTERACTIVE SOFTWARCOM8740541098,47386,654SH DFND586,65400
TECHNIPFMC PLCCOMG871101051,17840,000SHCallDFND240,00000
TEXAS INSTRS INCCOM882508104499480,000SHCallDFND4480,00000
TEXAS INSTRS INCCOM882508104270260,000SHPutDFND4260,00000
THERMO FISHER SCIENTIFIC INCCOM883556102248120,000SHCallDFND4120,00000
THERMO FISHER SCIENTIFIC INCCOM883556102413200,000SHPutDFND4200,00000
THOMSON REUTERS CORPCOM88490310556614,638SH DFND414,63800
TIME WARNER INCCOM NEW88731730340,222425,270SH DFND1425,27000
TIME WARNER INCCOM NEW88731730320,584217,641SH DFND5217,64100
TIME WARNER INCCOM NEW88731730341,700440,900SHCallDFND2440,90000
TIME WARNER INCCOM NEW88731730323,957253,300SHPutDFND2253,30000
TPG PACE ENERGY HLDGS CORP*W EXP 99/99/99987265611112567,371SH DFND267,37100
TPG PACE ENERGY HLDGS CORPCL A87265610360459,778SH DFND259,77800
TPG PACE HLDGS CORPCL AG8982712853754,818SH DFND254,81800
TRANSCANADA CORPCOM89353D107260,5486,300,000SH DFND46,300,00000
TRINITY INDS INCCOM89652210960418,500SH DFND218,50000
TRINITY INDS INCCOM89652210997930,000SHPutDFND230,00000
TWENTY FIRST CENTY FOX INCCL A90130A1011,74047,411SH DFND147,41100
TWENTY FIRST CENTY FOX INCCL A90130A1011,45739,700SHCallDFND239,70000
TWENTY FIRST CENTY FOX INCCL A90130A1011,46840,000SHPutDFND240,00000
UNILEVER PLCSPON ADR NEW9047677048,744157,381SH DFND4157,38100
UNION ACQUISITION CORP*W EXP 07/01/202G9366W127193568,775SH DFND2568,77500
UNION ACQUISITION CORPRIGHT 12/02/2019G9366W1351131,575SH DFND231,57500
UNION ACQUISITION CORPUNIT 99/99/9999G9366W11912412,080SH DFND212,08000
UNISYS CORPCOM NEW90921430616115,000SH DFND215,00000
UNITED PARCEL SERVICE INCCL B911312106586560,000SHCallDFND4560,00000
UNITED TECHNOLOGIES CORPCOM91301710912,31797,897SH DFND597,89700
UNITED TECHNOLOGIES CORPCOM9130171092,61320,769SH DFND120,76900
UNITEDHEALTH GROUP INCCOM91324P102321150,000SHPutDFND4150,00000
US BANCORP DELCOM NEW902973304283560,000SHCallDFND4560,00000
VALE S AADR91912E10525420,000SH DFND220,00000
VALIDUS HOLDINGS LTDCOM SHSG9319H10233,699499,613SH DFND1499,61300
VANECK VECTORS ETF TRSEMICONDUCTOR ET92189F6768348,000SH DFND28,00000
VANECK VECTORS ETF TRSEMICONDUCTOR ET92189F6766,643,68940,070,000SHPutDFND140,070,00000
VANECK VECTORS ETF TRSEMICONDUCTOR ET92189F6764,17140,000SHPutDFND240,00000
VANTAGE ENERGY ACQUISITION*W EXP 04/12/20292211L113213146,730SH DFND2146,73000
VANTAGE ENERGY ACQUISITIONCOM CL A92211L105981100,350SH DFND2100,35000
VANTAGE ENERGY ACQUISITIONUNIT 04/12/202492211L20410,2301,000,000SH DFND41,000,00000
VANTAGE ENERGY ACQUISITIONUNIT 04/12/202492211L2041,517148,332SH DFND2148,33200
VECTREN CORPCOM92240G10110,840169,583SH DFND1169,58300
VERIZON COMMUNICATIONS INCCOM92343V104450940,000SHCallDFND4940,00000
VERIZON COMMUNICATIONS INCCOM92343V10452611,000SH DFND211,00000
VMWARE INCCL A COM9285634028,99974,200SHCallDFND274,20000
VMWARE INCCL A COM9285634023,73530,800SHPutDFND230,80000
VONAGE HLDGS CORPCOM92886T2011,074100,800SH DFND4100,80000
WALMART INCCOM931142103231260,000SHCallDFND4260,00000
WELLS FARGO CO NEWCOM949746101220420,000SHPutDFND4420,00000
WILLSCOT CORP*W EXP 09/10/202971375118173103,453SH DFND2103,45300
WYNN RESORTS LTDCOM98313410719,295105,809SH DFND5105,80900
XL GROUP LTDCOMG98294104261,7374,736,467SH DFND14,736,46700
XL GROUP LTDCOMG982941041,661,448302,560,000SHPutDFND1302,560,00000
YOGAWORKS INCCOM9860051062,693935,000SH DFND2935,00000