SEC FORM 13F-HR/A

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: July 31, 2015
Estimated average burden
hours per response: 23.8

Report for the Calendar Year or Quarter Ended: 12-31-2017
Check here if Amendment X Amendment Number: 1
This Amendment (Check only one.): X 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 Littman New YorkNY 02-22-2018
[Signature] [City, State] [Date]
Report Type (Check only one.):
X 13F 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: 319
Form 13F Information Table Value Total: 49,853,046
(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 Number Name
1 028-10674 RAMIUS ADVISORS LLC
2 028-04125 COWEN & COMPANY, LLC
3 028-17713 Quadratic Capital Management LLC
4 028-13626 Cowen Investment Management LLC
5 028-18662 Margate 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: July 31, 2015
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
3M CO COM 88579Y101 282 1,200 SH Put DFND 4 1,200 0 0
ABBOTT LABS COM 002824100 223 3,900 SH Call DFND 4 3,900 0 0
ACACIA RESH CORP ACACIA TCH COM 003881307 450 111,085 SH   DFND 4 111,085 0 0
ACTIVISION BLIZZARD INC COM 00507V109 8,088 127,733 SH   DFND 5 127,733 0 0
ADOBE SYS INC COM 00724F101 11,377 64,922 SH   DFND 5 64,922 0 0
AETNA INC NEW COM 00817Y108 95,577 529,837 SH   DFND 1 529,837 0 0
AETNA INC NEW COM 00817Y108 16,947,117 769,500 SH Call DFND 1 769,500 0 0
AGILENT TECHNOLOGIES INC COM 00846U101 1,172 17,500 SH   DFND 2 17,500 0 0
AGROFRESH SOLUTIONS *W EXP 07/31/202 00856G117 285 696,334 SH   DFND 2 696,334 0 0
AKORN INC COM 009728106 6,327 36,600 SH Put DFND 1 36,600 0 0
AKORN INC COM 009728106 53,120 1,648,169 SH   DFND 1 1,648,169 0 0
AKORN INC COM 009728106 85,919 267,900 SH Call DFND 1 267,900 0 0
ALPHABET INC CAP STK CL A 02079K305 7,508 7,127 SH   DFND 5 7,127 0 0
ALPHABET INC CAP STK CL A 02079K305 738 700 SH Call DFND 4 700 0 0
ALPHABET INC CAP STK CL A 02079K305 422 400 SH Put DFND 4 400 0 0
ALPHABET INC CAP STK CL C 02079K107 1,110 1,061 SH   DFND 4 1,061 0 0
ALPHABET INC CAP STK CL C 02079K107 1,046 1,000 SH Put DFND 4 1,000 0 0
ALTABA INC COM 021346101 3,821 54,700 SH   DFND 4 54,700 0 0
ALTABA INC COM 021346101 5,025 71,945 SH   DFND 1 71,945 0 0
ALTRIA GROUP INC COM 02209S103 321 4,500 SH Put DFND 4 4,500 0 0
ALTRIA GROUP INC COM 02209S103 207 2,900 SH Call DFND 4 2,900 0 0
AMAZON COM INC COM 023135106 9,277 7,933 SH   DFND 4 7,933 0 0
AMAZON COM INC COM 023135106 585 500 SH Call DFND 4 500 0 0
AMAZON COM INC COM 023135106 585 500 SH Put DFND 4 500 0 0
AMBARELLA INC SHS G037AX101 1,172 19,950 SH   DFND 4 19,950 0 0
AMBARELLA INC SHS G037AX101 3,082 52,453 SH   DFND 5 52,453 0 0
AMGEN INC COM 031162100 226 1,300 SH   DFND 4 1,300 0 0
AMGEN INC COM 031162100 296 1,700 SH Put DFND 4 1,700 0 0
ANADARKO PETE CORP COM 032511107 671 12,500 SH   DFND 2 12,500 0 0
ANALOG DEVICES INC COM 032654105 9,597 107,792 SH   DFND 5 107,792 0 0
APPLE INC COM 037833100 1,084 6,400 SH Call DFND 4 6,400 0 0
APPLE INC COM 037833100 1,422 8,400 SH Put DFND 4 8,400 0 0
APPLE INC COM 037833100 1,268 7,490 SH   DFND 4 7,490 0 0
APTIV PLC SHS G6095L109 254 3,000 SH   DFND 4 3,000 0 0
APTIV PLC SHS G6095L109 10,551 124,378 SH   DFND 5 124,378 0 0
AT&T INC COM 00206R102 119,444 1,870,900 SH Call DFND 1 1,870,900 0 0
AT&T INC COM 00206R102 801 20,600 SH Call DFND 4 20,600 0 0
AT&T INC COM 00206R102 136,193 1,268,400 SH Put DFND 1 1,268,400 0 0
BANK AMER CORP COM 060505104 564 19,100 SH Call DFND 4 19,100 0 0
BANK AMER CORP COM 060505104 248 8,400 SH Put DFND 4 8,400 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 456 2,300 SH Call DFND 4 2,300 0 0
BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 932 4,700 SH Put DFND 4 4,700 0 0
BHP BILLITON PLC SPONSORED ADR 05545E209 1,708 42,389 SH   DFND 4 42,389 0 0
BLACKROCK CORPOR HI YLD FD I COM 09255P107 449 41,057 SH   DFND 4 41,057 0 0
BLACKROCK INC COM 09247X101 7,123 13,866 SH   DFND 5 13,866 0 0
BOEING CO COM 097023105 6,853 23,237 SH   DFND 5 23,237 0 0
BOEING CO COM 097023105 265 900 SH Put DFND 4 900 0 0
BROADSOFT INC COM 11133B409 31,639 201,400 SH Put DFND 1 201,400 0 0
CADENCE DESIGN SYSTEM INC COM 127387108 518 12,375 SH   DFND 4 12,375 0 0
CAESARS ENTMT CORP COM 127686103 7,899 624,399 SH   DFND 5 624,399 0 0
CALPINE CORP COM NEW 131347304 13,039 861,779 SH   DFND 1 861,779 0 0
CALPINE CORP COM NEW 131347304 363 24,000 SH   DFND 2 24,000 0 0
CAPITAL ONE FINL CORP COM 14040H105 498 5,000 SH   DFND 4 5,000 0 0
CAPITOL INVT CORP IV *W EXP 01/01/202 G18920127 298 271,248 SH   DFND 2 271,248 0 0
CAPITOL INVT CORP IV CL A ORD G18920101 8,825 911,720 SH   DFND 2 911,720 0 0
CAPITOL INVT CORP IV UNIT 99/99/9999 G18920119 1,483 147,403 SH   DFND 2 147,403 0 0
CAVIUM INC COM 14964U108 22,782 271,764 SH   DFND 1 271,764 0 0
CENTURYLINK INC COM 156700106 13,792 684,300 SH Call DFND 1 684,300 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 6,391 19,024 SH   DFND 5 19,024 0 0
CHEVRON CORP NEW COM 166764100 601 4,800 SH Call DFND 4 4,800 0 0
CISCO SYS INC COM 17275R102 563 14,700 SH Put DFND 4 14,700 0 0
CISION LTD *W EXP 06/22/202 G1992S117 490 180,000 SH   DFND 1 180,000 0 0
CITIGROUP INC COM NEW 172967424 275 3,700 SH Call DFND 4 3,700 0 0
CITIGROUP INC COM NEW 172967424 305 4,100 SH Put DFND 4 4,100 0 0
CM SEVEN STAR ACQUISITION CO *W EXP 08/21/202 G2345N110 91 314,829 SH   DFND 2 314,829 0 0
CM SEVEN STAR ACQUISITION CO SHS G2345N102 2,211 229,151 SH   DFND 2 229,151 0 0
COCA COLA CO COM 191216100 592 12,900 SH Call DFND 4 12,900 0 0
COMMUNITY HEALTH SYS INC NEW RIGHT 99/99/9999 203668116 39 5,464,288 SH   DFND 2 5,464,288 0 0
CONDUENT INC COM 206787103 1,786 110,500 SH   DFND 1 110,500 0 0
CONSTELLATION ALPHA CAP CORP SHS G2379F108 1,466 150,365 SH   DFND 2 150,365 0 0
COWEN INC CL A NEW 223622606 2,036 149,188 SH   DFND 4 149,188 0 0
CPFL ENERGIA S A SPONSORED ADR 126153105 314 27,262 SH   DFND 4 27,262 0 0
CYPRESS SEMICONDUCTOR CORP COM 232806109 1,143 75,000 SH Call DFND 5 75,000 0 0
DANA INCORPORATED COM 235825205 3,201 100,000 SH Put DFND 5 100,000 0 0
DELL TECHNOLOGIES INC COM CL V 24703L103 2,918 35,900 SH   DFND 1 35,900 0 0
DELL TECHNOLOGIES INC COM CL V 24703L103 4,064 50,000 SH   DFND 4 50,000 0 0
DISCOVERY COMMUNICATNS NEW COM SER C 25470F302 39,958 675,900 SH Put DFND 1 675,900 0 0
DISCOVERY COMMUNICATNS NEW COM SER C 25470F302 84,235 592,900 SH Call DFND 1 592,900 0 0
DISCOVERY COMMUNICATNS NEW COM SER C 25470F302 625 29,500 SH   DFND 2 29,500 0 0
DISCOVERY COMMUNICATNS NEW COM SER C 25470F302 416 19,673 SH   DFND 1 19,673 0 0
DISNEY WALT CO COM DISNEY 254687106 323 3,000 SH Put DFND 4 3,000 0 0
DISNEY WALT CO COM DISNEY 254687106 269 2,500 SH Call DFND 4 2,500 0 0
DOWDUPONT INC COM 26078J100 242 3,400 SH Call DFND 4 3,400 0 0
DOWDUPONT INC COM 26078J100 342 4,800 SH Put DFND 4 4,800 0 0
DYNEGY INC NEW DEL COM 26817R108 5,104 430,735 SH   DFND 1 430,735 0 0
ELECTRONIC ARTS INC COM 285512109 389 3,700 SH   DFND 2 3,700 0 0
ELECTRUM SPL ACQUISITION COR SHS G3105C104 702 67,999 SH   DFND 2 67,999 0 0
ENEL GENERACION CHILE S A SPONSORED ADR 29244T101 3,536 131,388 SH   DFND 4 131,388 0 0
ENERGY TRANSFER PARTNERS LP UNIT LTD PRT INT 29278N103 215 11,973 SH   DFND 4 11,973 0 0
ENSCO PLC SHS CLASS A G3157S106 655 91,900 SH Call DFND 1 91,900 0 0
ENTERCOM COMMUNICATIONS CORP CL A 293639100 1,674 155,000 SH   DFND 1 155,000 0 0
ENTERCOM COMMUNICATIONS CORP CL A 293639100 158 14,599 SH   DFND 4 14,599 0 0
ENTERCOM COMMUNICATIONS CORP CL A 293639100 648 60,000 SH Call DFND 1 60,000 0 0
ENVISION HEALTHCARE CORP COM 29414D100 1,121 32,442 SH   DFND 1 32,442 0 0
EQT CORP COM 26884L109 1,036 18,200 SH   DFND 1 18,200 0 0
EXXON MOBIL CORP COM 30231G102 1,489 17,800 SH Put DFND 4 17,800 0 0
EXXON MOBIL CORP COM 30231G102 418 5,000 SH   DFND 4 5,000 0 0
EXXON MOBIL CORP COM 30231G102 493 5,900 SH Call DFND 4 5,900 0 0
FACEBOOK INC CL A 30303M102 865 4,900 SH Put DFND 4 4,900 0 0
FACEBOOK INC CL A 30303M102 300 1,700 SH   DFND 4 1,700 0 0
FEDERAL STR ACQUISITION CORP CL A 31421V107 4,049 416,951 SH   DFND 2 416,951 0 0
FGL HLDGS *W EXP 11/30/202 G3402M110 466 300,400 SH   DFND 1 300,400 0 0
FGL HLDGS ORD SHS G3402M102 14,688 1,458,608 SH   DFND 1 1,458,608 0 0
FGL HLDGS ORD SHS G3402M102 988 98,100 SH   DFND 4 98,100 0 0
FINTECH ACQUISITION CORP II COM 31810G109 121 12,150 SH   DFND 2 12,150 0 0
FIRST DATA CORP NEW COM CL A 32008D106 4,091 244,837 SH   DFND 5 244,837 0 0
FORTINET INC COM 34959E109 4,369 100,000 SH Call DFND 5 100,000 0 0
FORTINET INC COM 34959E109 2,520 57,680 SH   DFND 5 57,680 0 0
FORUM MERGER CORP *W EXP 06/01/202 34985B111 168 246,992 SH   DFND 2 246,992 0 0
FORUM MERGER CORP COM CL A 34985B103 155 15,536 SH   DFND 2 15,536 0 0
FORUM MERGER CORP UNIT 06/01/2024 34985B202 1,090 100,000 SH   DFND 4 100,000 0 0
GENERAL DYNAMICS CORP COM 369550108 610 3,000 SH   DFND 4 3,000 0 0
GENERAL ELECTRIC CO COM 369604103 372 21,300 SH Call DFND 4 21,300 0 0
GENERAL MLS INC COM 370334104 2,383 40,200 SH Put DFND 5 40,200 0 0
GGP INC COM 36174X101 1,236 52,844 SH   DFND 1 52,844 0 0
GIGCAPITAL INC UNIT 03/06/2025 37518N205 5,880 588,042 SH   DFND 2 588,042 0 0
GLOBAL PARTNER ACQUISITION C COM 37954X105 4,364 434,183 SH   DFND 2 434,183 0 0
GOLAR LNG LTD BERMUDA SHS G9456A100 1,478 49,576 SH   DFND 2 49,576 0 0
GORES HLDGS II INC *W EXP 03/06/202 382867117 254 161,549 SH   DFND 2 161,549 0 0
GORES HLDGS II INC COM CL A 382867109 2,774 279,059 SH   DFND 2 279,059 0 0
GRIFOLS S A SP ADR REP B NVT 398438408 522 22,788 SH   DFND 4 22,788 0 0
GTY TECHNOLOGY HOLDINGS INC CL A G4182A102 1,459 146,895 SH   DFND 2 146,895 0 0
GTY TECHNOLOGY HOLDINGS INC CL A G4182A102 993 100,000 SH   DFND 4 100,000 0 0
GTY TECHNOLOGY HOLDINGS INC UNIT 99/99/9999 G4182A110 481 46,665 SH   DFND 2 46,665 0 0
HD SUPPLY HLDGS INC COM 40416M105 1,281 32,000 SH   DFND 1 32,000 0 0
HENNESSY CAP ACQUSTON CORP I *W EXP 06/15/202 42588L113 165 195,123 SH   DFND 2 195,123 0 0
HENNESSY CAP ACQUSTON CORP I COM 42588L105 215 21,967 SH   DFND 2 21,967 0 0
HENNESSY CAP ACQUSTON CORP I UNIT 06/15/2024 42588L204 565 54,503 SH   DFND 2 54,503 0 0
HENNESSY CAP ACQUSTON CORP I UNIT 06/15/2024 42588L204 4,667 450,000 SH   DFND 4 450,000 0 0
HOLOGIC INC COM 436440101 321 7,500 SH   DFND 2 7,500 0 0
HOME DEPOT INC COM 437076102 739 3,900 SH Put DFND 4 3,900 0 0
HONEYWELL INTL INC COM 438516106 261 1,700 SH Put DFND 4 1,700 0 0
HORIZON PHARMA PLC SHS G4617B105 781 53,500 SH   DFND 2 53,500 0 0
HRG GROUP INC COM 40434J100 4,167 245,844 SH   DFND 1 245,844 0 0
HUNTER MARITIME ACQUISITION *W EXP 99/99/999 Y37828129 8 25,000 SH   DFND 4 25,000 0 0
HUNTER MARITIME ACQUISITION *W EXP 99/99/999 Y37828129 132 436,987 SH   DFND 2 436,987 0 0
HUNTER MARITIME ACQUISITION CL A Y37828111 11,685 1,197,211 SH   DFND 2 1,197,211 0 0
HUNTER MARITIME ACQUISITION CL A Y37828111 488 50,000 SH   DFND 4 50,000 0 0
ILG INC COM 44967H101 33,040 241,000 SH Call DFND 1 241,000 0 0
ILG INC COM 44967H101 2,617 91,889 SH   DFND 1 91,889 0 0
INDUSTREA ACQUISITION CORP *W EXP 08/01/202 45579J112 14 34,243 SH   DFND 2 34,243 0 0
INDUSTREA ACQUISITION CORP CL A 45579J104 97 10,000 SH   DFND 4 10,000 0 0
INTEL CORP COM 458140100 249 5,400 SH Call DFND 4 5,400 0 0
INTEL CORP COM 458140100 203 4,400 SH Put DFND 4 4,400 0 0
INTERNATIONAL BUSINESS MACHS COM 459200101 560 3,650 SH   DFND 4 3,650 0 0
INTERNATIONAL BUSINESS MACHS COM 459200101 291 1,900 SH Call DFND 4 1,900 0 0
ISHARES INC MSCI STH KOR ETF 464286772 7,111 94,900 SH Put DFND 3 94,900 0 0
ISHARES SILVER TRUST ISHARES 46428Q109 1,439 90,000 SH Put DFND 4 90,000 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 30,492 200,000 SH Put DFND 1 200,000 0 0
ISHARES TR RUSSELL 2000 ETF 464287655 45,738 300,000 SH Put DFND 4 300,000 0 0
JBG SMITH PPTYS COM 46590V100 1,452 41,800 SH   DFND 1 41,800 0 0
JOHNSON & JOHNSON COM 478160104 329 2,356 SH   DFND 4 2,356 0 0
JOHNSON & JOHNSON COM 478160104 851 6,100 SH Call DFND 4 6,100 0 0
JOHNSON & JOHNSON COM 478160104 1,229 8,800 SH Put DFND 4 8,800 0 0
JOHNSON CTLS INTL PLC SHS G51502105 1,722 45,180 SH   DFND 1 45,180 0 0
JPMORGAN CHASE & CO COM 46625H100 941 8,800 SH Call DFND 4 8,800 0 0
JPMORGAN CHASE & CO COM 46625H100 278 2,600 SH Put DFND 4 2,600 0 0
JUNO THERAPEUTICS INC COM 48205A109 309 6,750 SH   DFND 4 6,750 0 0
KAYNE ANDERSON ACQUISITION UNIT 06/30/2022 48661U201 6,980 700,826 SH   DFND 4 700,826 0 0
KAYNE ANDERSON ACQUISITION UNIT 06/30/2022 48661U201 1,442 144,767 SH   DFND 2 144,767 0 0
KBL MERGER CORP IV RIGHT 03/22/2019 48242A120 37 128,865 SH   DFND 2 128,865 0 0
KBL MERGER CORP IV UNIT 01/15/2024 48242A203 494 48,647 SH   DFND 2 48,647 0 0
KLX INC COM 482539103 205 3,000 SH   DFND 2 3,000 0 0
LANDCADIA HLDGS INC CL A 51476W107 567 57,082 SH   DFND 2 57,082 0 0
LEGACY ACQUISITION CORP UNIT 05/31/2024 524643202 2,934 295,180 SH   DFND 2 295,180 0 0
LENNAR CORP CL B 526057302 7,046 136,336 SH   DFND 4 136,336 0 0
LIBERTY INTERACTIVE CORP LBT VEN COM A NE 53071M856 2,901 53,489 SH   DFND 1 53,489 0 0
LIBERTY INTERACTIVE CORP LBT VEN COM A NE 53071M856 3,733 68,822 SH   DFND 4 68,822 0 0
LIBERTY MEDIA CORP DELAWARE COM A SIRIUSXM 531229409 10,839 273,294 SH   DFND 4 273,294 0 0
LIONS GATE ENTMNT CORP CL B NON VTG 535919500 9,542 300,641 SH   DFND 5 300,641 0 0
LOGMEIN INC COM 54142L109 6,309 55,100 SH Call DFND 1 55,100 0 0
M I ACQUISITIONS INC UNIT 99/99/9999 55304A203 826 77,790 SH   DFND 2 77,790 0 0
M III ACQUISITION CORP UNIT 99/99/9999T 55378T203 1,012 95,500 SH   DFND 4 95,500 0 0
MADISON SQUARE GARDEN CO NEW CL A 55825T103 8,002 37,950 SH   DFND 5 37,950 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 412 5,805 SH   DFND 4 5,805 0 0
MARTIN MARIETTA MATLS INC COM 573284106 1,105 5,000 SH Call DFND 5 5,000 0 0
MASTERCARD INCORPORATED CL A 57636Q104 212 1,400 SH Call DFND 4 1,400 0 0
MASTERCARD INCORPORATED CL A 57636Q104 242 1,600 SH Put DFND 4 1,600 0 0
MATLIN & PARTNERS ACQUISITIO *W EXP 05/28/202 57682V114 261 620,252 SH   DFND 2 620,252 0 0
MATLIN & PARTNERS ACQUISITIO UNIT 05/28/2021A 57682V205 6,090 600,000 SH   DFND 4 600,000 0 0
MATLIN & PARTNERS ACQUISITIO UNIT 05/28/2021A 57682V205 992 97,716 SH   DFND 2 97,716 0 0
MCDONALDS CORP COM 580135101 7,301 42,420 SH   DFND 5 42,420 0 0
MCDONALDS CORP COM 580135101 293 1,700 SH Call DFND 4 1,700 0 0
MCDONALDS CORP COM 580135101 207 1,200 SH Put DFND 4 1,200 0 0
MEDTRONIC PLC SHS G5960L103 234 2,900 SH Put DFND 4 2,900 0 0
MERCK & CO INC COM 58933Y105 225 4,000 SH Call DFND 4 4,000 0 0
MGM RESORTS INTERNATIONAL COM 552953101 1,670 50,000 SH Put DFND 5 50,000 0 0
MICROSOFT CORP COM 594918104 565 6,600 SH Call DFND 4 6,600 0 0
MICROSOFT CORP COM 594918104 1,386 16,200 SH Put DFND 4 16,200 0 0
MICROSOFT CORP COM 594918104 8,055 94,168 SH   DFND 5 94,168 0 0
MODERN MEDIA ACQUISITION *W EXP 05/17/202 60765P111 10 17,404 SH   DFND 2 17,404 0 0
MODERN MEDIA ACQUISITION COM 60765P103 458 46,711 SH   DFND 2 46,711 0 0
MODERN MEDIA ACQUISITION RIGHT 99/99/9999 60765P129 22 55,586 SH   DFND 2 55,586 0 0
MODERN MEDIA ACQUISITION UNIT 99/99/9999 60765P202 1,879 178,699 SH   DFND 4 178,699 0 0
MONSANTO CO NEW COM 61166W101 124,087 1,062,572 SH   DFND 1 1,062,572 0 0
MONSANTO CO NEW COM 61166W101 89,115 308,000 SH Call DFND 1 308,000 0 0
NATIONAL ENERGY SERVICES REU *W EXP 05/05/202 G6375R115 111 135,395 SH   DFND 2 135,395 0 0
NATIONAL ENERGY SERVICES REU SHS G6375R107 1,660 166,815 SH   DFND 2 166,815 0 0
NCR CORP NEW COM 62886E108 340 10,000 SH   DFND 2 10,000 0 0
NEXEO SOLUTIONS INC *W EXP 06/09/202 65342H110 23 37,600 SH   DFND 2 37,600 0 0
NEXTERA ENERGY INC COM 65339F101 781 5,000 SH   DFND 4 5,000 0 0
NII HLDGS INC COM PAR 62913F508 113 266,938 SH   DFND 2 266,938 0 0
NORTHROP GRUMMAN CORP COM 666807102 614 2,000 SH   DFND 4 2,000 0 0
NVIDIA CORP COM 67066G104 1,126 5,820 SH   DFND 4 5,820 0 0
NXP SEMICONDUCTORS N V COM N6596X109 608 16,800 SH Put DFND 1 16,800 0 0
NXP SEMICONDUCTORS N V COM N6596X109 62,938 537,515 SH   DFND 1 537,515 0 0
NXP SEMICONDUCTORS N V COM N6596X109 37,468 320,000 SH   DFND 2 320,000 0 0
NXP SEMICONDUCTORS N V COM N6596X109 1,917 16,375 SH   DFND 4 16,375 0 0
NXP SEMICONDUCTORS N V COM N6596X109 29,471,038 4,088,200 SH Call DFND 1 4,088,200 0 0
OCI PARTNERS LP COM UNIT REP LP 67091N108 3,237 402,162 SH   DFND 4 402,162 0 0
ORACLE CORP COM 68389X105 355 7,500 SH Call DFND 4 7,500 0 0
OSPREY ENERGY ACQUISITION CO UNIT 07/21/2022 688397207 995 100,000 SH   DFND 4 100,000 0 0
PAYPAL HLDGS INC COM 70450Y103 832 11,300 SH   DFND 4 11,300 0 0
PDF SOLUTIONS INC COM 693282105 1,570 100,000 SH Call DFND 5 100,000 0 0
PENSARE ACQUISITION CORP *W EXP 07/27/202 70957E113 18 32,750 SH   DFND 2 32,750 0 0
PENSARE ACQUISITION CORP RIGHT 99/99/9999 70957E121 7 13,030 SH   DFND 2 13,030 0 0
PENTAIR PLC SHS G7S00T104 2,021 28,614 SH   DFND 5 28,614 0 0
PEPSICO INC COM 713448108 648 5,400 SH Call DFND 4 5,400 0 0
PEPSICO INC COM 713448108 4,878 40,678 SH   DFND 5 40,678 0 0
PETROBRAS ARGENTINA S A SPONS ADR 71646J109 9,360 688,725 SH   DFND 4 688,725 0 0
PFIZER INC COM 717081103 359 9,900 SH Call DFND 4 9,900 0 0
PFIZER INC COM 717081103 561 15,500 SH Put DFND 4 15,500 0 0
PHILIP MORRIS INTL INC COM 718172109 539 5,100 SH Call DFND 4 5,100 0 0
PHILIP MORRIS INTL INC COM 718172109 243 2,300 SH Put DFND 4 2,300 0 0
PINNACLE FOODS INC DEL COM 72348P104 1,992 33,500 SH   DFND 1 33,500 0 0
PINNACLE FOODS INC DEL COM 72348P104 7,972 134,045 SH   DFND 5 134,045 0 0
POWERSHARES ETF TRUST II SENIOR LN PORT 73936Q769 30,090 1,306,000 SH Put DFND 3 1,306,000 0 0
POWERSHARES QQQ TRUST UNIT SER 1 73935A104 16,355 105,000 SH Put DFND 5 105,000 0 0
PROCTER AND GAMBLE CO COM 742718109 689 7,500 SH Call DFND 4 7,500 0 0
PROCTER AND GAMBLE CO COM 742718109 505 5,500 SH Put DFND 4 5,500 0 0
PRUDENTIAL SHT DURATION HG Y COM 74442F107 517 35,000 SH   DFND 4 35,000 0 0
QUALCOMM INC COM 747525103 58,256 909,971 SH   DFND 1 909,971 0 0
QUALCOMM INC COM 747525103 2,237 34,950 SH   DFND 2 34,950 0 0
QUALCOMM INC COM 747525103 269 4,200 SH Call DFND 4 4,200 0 0
QUANTA SVCS INC COM 74762E102 274 7,000 SH   DFND 2 7,000 0 0
RAYTHEON CO COM NEW 755111507 657 3,500 SH   DFND 4 3,500 0 0
RENEWABLE ENERGY GROUP INC COM NEW 75972A301 442 37,450 SH   DFND 2 37,450 0 0
REVANCE THERAPEUTICS INC COM 761330109 225 6,300 SH   DFND 2 6,300 0 0
RITE AID CORP COM 767754104 821 416,500 SH   DFND 2 416,500 0 0
ROCKWELL COLLINS INC COM 774341101 909 6,700 SH   DFND 2 6,700 0 0
ROCKWELL COLLINS INC COM 774341101 69,519 512,601 SH   DFND 1 512,601 0 0
SABAN CAP ACQUISITION CORP *W EXP 09/21/202 78516C114 42 33,832 SH   DFND 2 33,832 0 0
SABAN CAP ACQUISITION CORP COM CL A 78516C106 274 27,636 SH   DFND 2 27,636 0 0
SALESFORCE COM INC COM 79466L302 7,830 76,588 SH   DFND 5 76,588 0 0
SCHWAB CHARLES CORP NEW COM 808513105 848 16,500 SH   DFND 4 16,500 0 0
SCRIPPS NETWORKS INTERACT IN CL A COM 811065101 118,155 1,383,868 SH   DFND 1 1,383,868 0 0
SCRIPPS NETWORKS INTERACT IN CL A COM 811065101 172,818 211,500 SH Put DFND 1 211,500 0 0
SELECT SECTOR SPDR TR SBI CONS STPLS 81369Y308 11,509 202,300 SH Put DFND 3 202,300 0 0
SEMTECH CORP COM 816850101 1,488 43,521 SH   DFND 5 43,521 0 0
SEMTECH CORP COM 816850101 2,052 60,000 SH Call DFND 5 60,000 0 0
SERVICEMASTER GLOBAL HLDGS I COM 81761R109 1,056 20,600 SH   DFND 1 20,600 0 0
SERVICENOW INC COM 81762P102 3,861 29,615 SH   DFND 5 29,615 0 0
SILICON MOTION TECHNOLOGY CO SPONSORED ADR 82706C108 5,307 100,200 SH Put DFND 5 100,200 0 0
SILVER RUN ACQUISITION *W EXP 03/28/202 82812A111 145 97,318 SH   DFND 2 97,318 0 0
SILVER RUN ACQUISITION COM CL A 82812A103 1,839 185,603 SH   DFND 2 185,603 0 0
SINA CORP ORD G81477104 3,921 39,092 SH   DFND 4 39,092 0 0
SINA CORP ORD G81477104 1,003 10,000 SH Put DFND 4 10,000 0 0
SNAP INC CL A 83304A106 1,461 100,000 SH Put DFND 4 100,000 0 0
SNAP INC CL A 83304A106 1,461 100,000 SH   DFND 4 100,000 0 0
SOCIAL CAP HEDOSOPHIA HLDGS *W EXP 99/99/999 G8250R129 191 109,031 SH   DFND 2 109,031 0 0
SOCIAL CAP HEDOSOPHIA HLDGS UNIT 99/99/9999 G8250R111 251 23,680 SH   DFND 2 23,680 0 0
SOCIEDAD QUIMICA MINERA DE C SPON ADR SER B 833635105 327 5,500 SH   DFND 4 5,500 0 0
SPDR GOLD TRUST GOLD SHS 78463V107 2,473 20,000 SH Put DFND 4 20,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 2,001 7,500 SH   DFND 2 7,500 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 340,460 934,700 SH Call DFND 1 934,700 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 560 2,100 SH Call DFND 4 2,100 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 15,344 57,500 SH Put DFND 5 57,500 0 0
SPDR SER TR BLOOMBERG SRT TR 78468R408 1,386 50,305 SH   DFND 4 50,305 0 0
SPLUNK INC COM 848637104 3,420 41,287 SH   DFND 5 41,287 0 0
SPRINT CORP COM SER 1 85207U105 312 52,900 SH   DFND 2 52,900 0 0
SPROUTS FMRS MKT INC COM 85208M102 862 35,380 SH   DFND 2 35,380 0 0
STEMLINE THERAPEUTICS INC COM 85858C107 374 23,950 SH   DFND 4 23,950 0 0
STERLING BANCORP DEL COM 85917A100 1,278 51,960 SH   DFND 4 51,960 0 0
STRAIGHT PATH COMMUNICATNS I CL B 862578101 5,888 32,388 SH   DFND 1 32,388 0 0
STRAIGHT PATH COMMUNICATNS I CL B 862578101 3,454 19,000 SH   DFND 2 19,000 0 0
STRAIGHT PATH COMMUNICATNS I CL B 862578101 33,595 48,300 SH Put DFND 1 48,300 0 0
SUBURBAN PROPANE PARTNERS L UNIT LTD PARTN 864482104 322 13,300 SH   DFND 4 13,300 0 0
T MOBILE US INC COM 872590104 1,588 25,000 SH   DFND 1 25,000 0 0
TAKE-TWO INTERACTIVE SOFTWAR COM 874054109 7,996 72,834 SH   DFND 5 72,834 0 0
TE CONNECTIVITY LTD REG SHS H84989104 1,141 12,000 SH   DFND 4 12,000 0 0
TESLA INC COM 88160R101 467 1,500 SH   DFND 4 1,500 0 0
TIME WARNER INC COM NEW 887317303 54,331 593,973 SH   DFND 1 593,973 0 0
TIME WARNER INC COM NEW 887317303 274 3,000 SH   DFND 2 3,000 0 0
TIME WARNER INC COM NEW 887317303 1,353 14,795 SH   DFND 4 14,795 0 0
TIME WARNER INC COM NEW 887317303 8,429 92,151 SH   DFND 5 92,151 0 0
TIME WARNER INC COM NEW 887317303 372,091 144,300 SH Call DFND 1 144,300 0 0
TPG PACE HLDGS CORP *W EXP 99/99/999 G89827110 108 69,695 SH   DFND 2 69,695 0 0
TPG PACE HLDGS CORP UNIT 99/99/9999 G89827102 1,305 126,055 SH   DFND 2 126,055 0 0
TRANSOCEAN LTD REG SHS H8817H100 1,177 110,166 SH   DFND 4 110,166 0 0
TRANSOCEAN LTD REG SHS H8817H100 1,602 150,000 SH Put DFND 4 150,000 0 0
TRIBUNE MEDIA CO CL A 896047503 44,296 1,043,003 SH   DFND 1 1,043,003 0 0
TWENTY FIRST CENTY FOX INC CL A 90130A101 9,361 204,700 SH Put DFND 1 204,700 0 0
TWENTY FIRST CENTY FOX INC CL B 90130A200 5,485 160,765 SH   DFND 4 160,765 0 0
UNILEVER PLC SPON ADR NEW 904767704 8,962 161,940 SH   DFND 4 161,940 0 0
UNION PAC CORP COM 907818108 322 2,400 SH Put DFND 4 2,400 0 0
UNITED TECHNOLOGIES CORP COM 913017109 4,032 31,606 SH   DFND 5 31,606 0 0
UNITED TECHNOLOGIES CORP COM 913017109 118,538 119,200 SH Put DFND 1 119,200 0 0
UNITEDHEALTH GROUP INC COM 91324P102 463 2,100 SH Put DFND 4 2,100 0 0
VANECK VECTORS ETF TR SEMICONDUCTOR ET 92189F676 699 7,150 SH   DFND 1 7,150 0 0
VANECK VECTORS ETF TR SEMICONDUCTOR ET 92189F676 252,457 337,500 SH Put DFND 1 337,500 0 0
VANECK VECTORS ETF TR SEMICONDUCTOR ET 92189F676 37,031 53,000 SH Call DFND 1 53,000 0 0
VANTAGE ENERGY ACQUISITION *W EXP 04/12/202 92211L113 181 150,568 SH   DFND 2 150,568 0 0
VANTAGE ENERGY ACQUISITION UNIT 04/12/2024 92211L204 499 48,945 SH   DFND 2 48,945 0 0
VANTAGE ENERGY ACQUISITION UNIT 04/12/2024 92211L204 10,190 1,000,000 SH   DFND 4 1,000,000 0 0
VERIZON COMMUNICATIONS INC COM 92343V104 270 5,100 SH Call DFND 4 5,100 0 0
VERIZON COMMUNICATIONS INC COM 92343V104 693 13,100 SH Put DFND 4 13,100 0 0
VISA INC COM CL A 92826C839 479 4,200 SH Call DFND 4 4,200 0 0
VONAGE HLDGS CORP COM 92886T201 185 18,150 SH   DFND 4 18,150 0 0
WAL-MART STORES INC COM 931142103 296 3,000 SH Call DFND 4 3,000 0 0
WEIBO CORP SPONSORED ADR 948596101 2,069 20,000 SH Call DFND 4 20,000 0 0
WELLS FARGO CO NEW COM 949746101 540 8,900 SH Call DFND 4 8,900 0 0
WILLSCOT CORP *W EXP 09/10/202 971375118 18 12,447 SH   DFND 2 12,447 0 0
XEROX CORP COM NEW 984121608 1,873 64,250 SH   DFND 1 64,250 0 0
XEROX CORP COM NEW 984121608 3,061 105,000 SH Call DFND 1 105,000 0 0
XILINX INC COM 983919101 2,697 40,000 SH Call DFND 5 40,000 0 0
YOGAWORKS INC COM 986005106 2,646 935,000 SH   DFND 2 935,000 0 0
ZAYO GROUP HLDGS INC COM 98919V105 459 12,475 SH   DFND 4 12,475 0 0
ZAYO GROUP HLDGS INC COM 98919V105 11,468 311,625 SH   DFND 5 311,625 0 0
ZIMMER BIOMET HLDGS INC COM 98956P102 543 4,500 SH   DFND 2 4,500 0 0