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
3M CO COM 88579Y101 27,392 130,500 SH Put DFND 1 130,500 0 0
ADECOAGRO SA COM L00849106 3,240 300,000 SH   DFND 1 300,000 0 0
ADIENT PLC ORD SHS G0084W101 45,608 543,015 SH   DFND 1 543,015 0 0
ADVERUM BIOTECHNOLOGIES INC COM 00773U108 2,008 550,000 SH   DFND 1 550,000 0 0
ALDEYRA THERAPEUTICS INC COM 01438T106 6,016 835,514 SH   DFND 1 835,514 0 0
ALLERGAN PLC SHS G0177J108 12,707 62,000 SH   DFND 1 62,000 0 0
ALNYLAM PHARMACEUTICALS INC COM 02043Q107 28,139 239,500 SH   DFND 1 239,500 0 0
ALPS ETF TR ALERIAN MLP 00162Q866 11,332 1,010,000 SH   DFND 1 1,010,000 0 0
ALPS ETF TR ALERIAN MLP 00162Q866 9,313 830,000 SH Call DFND 1 830,000 0 0
ALPS ETF TR ALERIAN MLP 00162Q866 19,635 1,750,000 SH Put DFND 1 1,750,000 0 0
ALTABA INC COM 021346101 21,528 325,000 SH   DFND 1 325,000 0 0
ARRAY BIOPHARMA INC COM 04269X105 6,150 500,000 SH   DFND 1 500,000 0 0
ATLANTIC ACQUISITION CORP COM 048206106 2,768 270,000 SH   DFND 1 270,000 0 0
ATLANTIC ACQUISITION CORP RIGHT 02/08/2019 048206304 149 270,000 SH   DFND 1 270,000 0 0
AVEO PHARMACEUTICALS INC COM 053588109 9,183 2,515,810 SH   DFND 1 2,515,810 0 0
BANC OF CALIFORNIA INC COM 05990K106 8,520 410,600 SH   DFND 1 410,600 0 0
BARNES & NOBLE ED INC COM 06777U101 3,398 522,000 SH   DFND 1 522,000 0 0
BISON CAP ACQUISITION CORP RIGHT 03/20/2019 G1142P138 17 100,000 SH   DFND 1 100,000 0 0
BISON CAP ACQUISITION CORP *W EXP 06/20/202 G1142P112 17 50,000 SH   DFND 1 50,000 0 0
BLACKSTONE GROUP L P COM UNIT LTD 09253U108 6,674 200,000 SH   DFND 1 200,000 0 0
BOULEVARD ACQUISITION *W EXP 09/25/202 10157Q110 178 200,000 SH   DFND 1 200,000 0 0
BROOKDALE SR LIVING INC COM 112463104 1,113 105,000 SH   DFND 1 105,000 0 0
CAPITAL ONE FINL CORP COM 14040H105 11,747 138,759 SH   DFND 1 138,759 0 0
CARS COM INC COM 14575E105 19,958 750,000 SH   DFND 1 750,000 0 0
CARVANA CO CL A 146869102 2,936 200,000 SH   DFND 1 200,000 0 0
CHEVRON CORP NEW COM 166764100 5,875 50,000 SH Put DFND 1 50,000 0 0
CIMPRESS N V SHS EURO N20146101 977 10,000 SH   DFND 1 10,000 0 0
CISION LTD *W EXP 06/22/202 G1992S117 3,245 1,100,000 SH   DFND 1 1,100,000 0 0
COBALT INTL ENERGY INC NOTE 3.125% 5/1 19075FAB2 390 2,000,000 PRN   DFND 1 2,000,000 0 0
COCA COLA CO COM 191216100 22,505 500,000 SH Put DFND 1 500,000 0 0
CONSTELLATION ALPHA CAP CORP SHS G2379F108 1,755 180,000 SH   DFND 1 180,000 0 0
CONSTELLATION ALPHA CAP CORP RIGHT 99/99/9999 G2379F132 58 180,000 SH   DFND 1 180,000 0 0
CONSTELLATION ALPHA CAP CORP *W EXP 03/23/202 G2379F116 43 380,000 SH   DFND 1 380,000 0 0
CONTRAFECT CORP COM 212326102 2,886 2,600,000 SH   DFND 1 2,600,000 0 0
CRESUD S A C I F Y A SPONSORED ADR 226406106 18,804 1,007,182 SH   DFND 1 1,007,182 0 0
DIANA SHIPPING INC COM Y2066G104 1,591 438,364 SH   DFND 1 438,364 0 0
DICERNA PHARMACEUTICALS INC COM 253031108 4,371 760,233 SH   DFND 1 760,233 0 0
DOUBLE EAGLE ACQUISITION COR *W EXP 09/16/202 G28195116 290 419,800 SH   DFND 1 419,800 0 0
DRAPER OAKWOOD TECHNOLOGY UNIT 09/30/2024 26146L202 1,840 180,000 SH   DFND 1 180,000 0 0
DURECT CORP COM 266605104 2,345 1,324,856 SH   DFND 1 1,324,856 0 0
EASTERLY ACQUISITION CORP *W EXP 07/29/202 27616L110 233 839,668 SH   DFND 1 839,668 0 0
ECHOSTAR CORP CL A 278768106 7,436 129,926 SH   DFND 1 129,926 0 0
ELECTRUM SPL ACQUISITION COR *W EXP 99/99/999 G3105C112 205 1,039,125 SH   DFND 1 1,039,125 0 0
ENERGY RECOVERY INC COM 29270J100 5,531 700,100 SH   DFND 1 700,100 0 0
ENOVA INTL INC COM 29357K103 12,022 893,800 SH   DFND 1 893,800 0 0
ETSY INC COM 29786A106 12,660 750,000 SH   DFND 1 750,000 0 0
FACEBOOK INC CL A 30303M102 8,544 50,000 SH Put DFND 1 50,000 0 0
FATE THERAPEUTICS INC COM 31189P102 2,688 678,800 SH   DFND 1 678,800 0 0
FXCM INC NOTE 2.250% 6/1 302693AB2 6,150 15,000,000 PRN   DFND 1 15,000,000 0 0
FENNEC PHARMACEUTICALS INC COM 31447P100 8,867 808,365 SH   DFND 1 808,365 0 0
FOGO DE CHAO INC COM 344177100 11,780 950,000 SH   DFND 1 950,000 0 0
FORUM MERGER CORP RIGHT 06/01/2019 34985B129 91 234,000 SH   DFND 1 234,000 0 0
FORUM MERGER CORP *W EXP 06/01/202 34985B111 41 117,000 SH   DFND 1 117,000 0 0
GALMED PHARMACEUTICALS LTD SHS M47238106 5,021 549,295 SH   DFND 1 549,295 0 0
GENCO SHIPPING & TRADING LTD SHS Y2685T131 790 68,200 SH   DFND 1 68,200 0 0
GOLDMAN SACHS GROUP INC COM 38141G104 16,603 70,000 SH   DFND 1 70,000 0 0
GRUBHUB INC COM 400110102 5,266 100,000 SH Put DFND 1 100,000 0 0
HENNESSY CAP ACQUSTON CORP I *W EXP 06/15/202 42588L113 319 437,500 SH   DFND 1 437,500 0 0
HERBALIFE LTD COM USD SHS 400110102 33,081 487,700 SH Put DFND 1 487,700 0 0
HOSTESS BRANDS INC *W EXP 11/04/202 44109J114 3,425 1,679,000 SH   DFND 1 1,679,000 0 0
I AM CAP ACQUISITION CO UNIT 08/15/2022 45074Q207 2,050 200,000 SH   DFND 1 200,000 0 0
IFRESH INC COM 449538107 207 17,158 SH   DFND 1 17,158 0 0
IMMUNOMEDICS INC COM 452907108 3,146 225,000 SH   DFND 1 225,000 0 0
INDUSTREA ACQUISITION CORP CL A 45579J104 9,780 1,000,000 SH   DFND 1 1,000,000 0 0
INDUSTREA ACQUISITION CORP *W EXP 08/01/202 45579J112 494 1,234,606 SH   DFND 1 1,234,606 0 0
INSPIRED ENTMT INC COM 45782N108 4,562 344,315 SH   DFND 1 344,315 0 0
IOVANCE BIOTHERAPEUTICS INC COM 462260100 2,325 300,000 SH   DFND 1 300,000 0 0
IRSA INVERSIONES Y REP S A GLOBL DEP RCPT 450047204 11,416 465,000 SH   DFND 1 465,000 0 0
JPMORGAN CHASE & CO COM 46625H100 1,910 20,000 SH   DFND 1 20,000 0 0
JPMORGAN CHASE & CO ALERIAN ML ETN 46625H365 6,208 220,000 SH   DFND 1 220,000 0 0
KELLOGG CO COM 487836108 6,237 100,000 SH Put DFND 1 100,000 0 0
KKR & CO L P DEL COM UNITS 48248M102 28,232 1,388,700 SH   DFND 1 1,388,700 0 0
LENDINGCLUB CORP COM 52603A109 2,741 450,000 SH Put DFND 1 450,000 0 0
LIBERTY TRIPADVISOR HLDGS IN COM SER A 531465102 2,161 175,000 SH   DFND 1 175,000 0 0
MARCHEX INC CL B 56624R108 618 200,137 SH   DFND 1 200,137 0 0
MICRON TECHNOLOGY INC COM 595112103 14,945 380,000 SH   DFND 1 380,000 0 0
MODERN MEDIA ACQUISITION RIGHT 99/99/9999 60765P129 420 1,000,000 SH   DFND 1 1,000,000 0 0
MODERN MEDIA ACQUISITION *W EXP 05/17/202 60765P111 270 500,000 SH   DFND 1 500,000 0 0
MONDELEZ INTL INC CL A 609207105 12,198 300,000 SH Put DFND 1 300,000 0 0
NATIONAL ENERGY SERVICES REU SHS G6375R107 1,087 113,000 SH   DFND 1 113,000 0 0
NATIONAL ENERGY SERVICES REU *W EXP 05/05/202 G6375R115 250 500,000 SH   DFND 1 500,000 0 0
NATIONAL OILWELL VARCO INC COM 637071101 8,575 240,000 SH   DFND 1 240,000 0 0
NAVIOS MARITIME HOLDINGS INC COM Y62196103 501 300,000 SH   DFND 1 300,000 0 0
NETFLIX INC COM 64110L106 36,270 200,000 SH Put DFND 1 200,000 0 0
NEW YORK REIT INC COM 64976L109 15,700 2,000,000 SH   DFND 1 2,000,000 0 0
NEXEO SOLUTIONS INC *W EXP 06/09/202 65342H110 374 850,000 SH   DFND 1 850,000 0 0
NII HOLDINGS INC COM PAR 62913F508 2,804 6,095,428 SH   DFND 1 6,095,428 0 0
NORTH ATLANTIC DRILLING LTD COM G6613P129 1,087 113,000 SH   DFND 1 113,000 0 0
NORTH ATLANTIC DRILLING LTD COM G6613P129 32 67,900 SH Put DFND 1 67,900 0 0
ON DECK CAP INC COM 682163100 9,340 2,000,000 SH   DFND 1 2,000,000 0 0
ONCONOVA THERAPEUTICS INC COM NEW 68232V306 641 375,000 SH   DFND 1 375,000 0 0
ORACLE CORP COM 68389X105 3,626 75,000 SH Put DFND 1 75,000 0 0
OSPREY ENERGY ACQUISITION CO CL A COM 688397108 2,423 250,000 SH   DFND 1 250,000 0 0
OSPREY ENERGY ACQUISITION CO *W EXP 07/21/202 688397116 103 125,000 SH   DFND 1 125,000 0 0
PEABODY ENERGY CORP NEW COM 704551100 7,815 269,400 SH   DFND 1 269,400 0 0
PENSARE ACQUISITION CORP RIGHT 99/99/9999 70957E121 92 230,000 SH   DFND 1 230,000 0 0
PENSARE ACQUISITION CORP *W EXP 07/27/202 70957E113 58 115,000 SH   DFND 1 115,000 0 0
PEPSICO INC COM 713448108 11,143 100,000 SH Put DFND 1 100,000 0 0
PLX PHARMA INC COM 72942A107 1,603 249,300 SH   DFND 1 249,300 0 0
PROCTER AND GAMBLE CO COM 742718109 27,294 300,000 SH Put DFND 1 300,000 0 0
REGENXBIO INC COM 75901B107 824 25,000 SH   DFND 1 25,000 0 0
RPX CORP COM 74972G103 332 25,000 SH   DFND 1 25,000 0 0
SEADRILL LIMITED SHS G7945E105 297 849,312 SH   DFND 1 849,312 0 0
SEADRILL LIMITED SHS G7945E105 2,977 8,506,300 SH Put DFND 1 8,506,300 0 0
SEARS CDA INC COM 81234D109 226 4,291,955 SH   DFND 1 4,291,955 0 0
SELECT SECTOR SPDR TR ENERGY 81369Y506 6,848 100,000 SH Put DFND 1 100,000 0 0
SELECT SECTOR SPDR TR SBI CONS STPLS 81369Y308 29,689 550,000 SH Put DFND 1 550,000 0 0
SELECT SECTOR SPDR TR SBI INT-UTILS 81369Y886 21,220 400,000 SH Put DFND 1 400,000 0 0
SEQUENTIAL BRNDS GROUP INC N C COM 81734P107 9,204 3,078,179 SH   DFND 1 3,078,179 0 0
SILVER RUN ACQUISITION *W EXP 03/28/202 82812A111 152 100,000 SH   DFND 1 100,000 0 0
SPDR SERIES TRUST S&P RETAIL ETF 78464A714 16,708 400,000 SH Put DFND 1 400,000 0 0
SOLENO THERAPEUTICS INC COM 834203101 78 150,000 SH   DFND 1 150,000 0 0
TESLA INC COM 88160R101 81,864 240,000 SH Put DFND 1 240,000 0 0
TRACON PHARMACEUTICALS INC COM 89237H100 3,134 995,000 SH   DFND 1 995,000 0 0
TRIPADVISOR INC COM 896945201 12,159 300,000 SH   DFND 1 300,000 0 0
TRIVAGO N V SPON ADS A SHS 89686D105 3,255 300,000 SH Put DFND 1 300,000 0 0
UNIQURE NV SHS N90064101 10,080 1,050,000 SH   DFND 1 1,050,000 0 0
WARRIOR MET COAL INC COM 93627C101 16,499 700,000 SH   DFND 1 700,000 0 0
WESTERN UN CO COM 959802109 1,920 100,000 SH Put DFND 1 100,000 0 0
WMIH CORP COM 92936P100 656 690,826 SH   DFND 1 690,826 0 0
WRIGHT MED GROUP N V RIGHT 03/01/2019 N96617126 1,270 819,181 SH   DFND 1 819,181 0 0
XENIA HOTELS & RESORTS INC COM 984017103 19,471 925,000 SH   DFND 1 925,000 0 0
ZAFGEN INC COM 98885E103 4,576 1,300,000 SH   DFND 1 1,300,000 0 0