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
ACTUA CORP COM 005094107 1,971 128,848 SH   DFND 1,2 128,848 0 0
ALAMOS GOLD INC NEW COM CL A 011532108 8,789 1,301,535 SH   DFND 1,2 1,301,535 0 0
ALEXION PHARMACEUTICALS INC COM 015351109 216 1,538 SH   DFND 1,2 1,538 0 0
ANWORTH MORTGAGE ASSET CP COM 037347101 106 17,592 SH   DFND 1,2 17,592 0 0
ATLANTIC ACQUISITION CORP COM 048206106 982 100,000 SH   DFND 1,2 100,000 0 0
ATLANTIC ACQUISITION CORP UNIT 02/08/2019 048206205 2,005 195,000 SH   DFND 1,2 195,000 0 0
CELGENE CORP COM 151020104 559 3,835 SH   DFND 1,2 3,835 0 0
CENTER COAST MLP & INFRSTR F COM SHS 151461100 133 12,635 SH   DFND 1,2 12,635 0 0
CLEARBRIDGE AMERN ENERG MLP COM 184691103 137 15,946 SH   DFND 1,2 15,946 0 0
COMMUNITY HEALTH SYS INC NEW RIGHT 99/99/9999 203668116 35 3,000,000 SH   DFND 1,2 3,000,000 0 0
DOMINION DIAMOND CORP COM 257287102 312 22,020 SH   DFND 1,2 22,020 0 0
DONNELLEY R R & SONS CO COM 257867200 104 10,144 SH   DFND 1,2 10,144 0 0
EATON VANCE FLTING RATE INC COM 278279104 183 12,519 SH   DFND 1,2 12,519 0 0
GILEAD SCIENCES INC COM 375558103 397 4,901 SH   DFND 1,2 4,901 0 0
IONIS PHARMACEUTICALS INC COM 462222100 488 9,625 SH   DFND 1,2 9,625 0 0
ISHARES TR BARCLAYS 7 10 YR 464287440 21,304 200,000 SH Put DFND 1,2 0 0 0
ISHARES TR U.S. REAL ES ETF 464287739 23,165 290,000 SH Put DFND 1,2 0 0 0
ISHARES TR U.S. FINLS ETF 464287788 534 4,760 SH   DFND 1,2 4,760 0 0
MAGNA INTL INC COM 559222401 339 6,345 SH   DFND 1,2 6,345 0 0
NEW SR INVT GROUP INC COM 648691103 106 11,593 SH   DFND 1,2 11,593 0 0
NOVAVAX INC COM 670002104 14 11,916 SH   DFND 1,2 11,916 0 0
NUVEEN MUN HIGH INCOME OPP F COM 670682103 153 11,225 SH   DFND 1,2 11,225 0 0
PEMBINA PIPELINE CORP COM 706327103 7,783 221,688 SH   DFND 1,2 221,688 0 0
PRICELINE GRP INC COM NEW 741503403 2,563 1,400 SH   DFND 1,2 1,400 0 0
PUTNAM MUN OPPORTUNITIES TR SH BEN INT 746922103 202 15,975 SH   DFND 1,2 15,975 0 0
REAVES UTIL INCOME FD RIGHT 10/04/2017 756158135 109 294,037 SH   DFND 1,2 294,037 0 0
ROYAL BK SCOTLAND GROUP PLC SP ADR PREF S 780097739 374 14,557 SH   DFND 1,2 14,557 0 0
SOUTHWESTERN ENERGY CO DEP SHS 1/20 B 845467208 10,379 727,825 SH   DFND 1,2 727,825 0 0
TPG PACE ENERGY HLDGS CORP UNIT 99/99/9999 872656202 2,219 217,505 SH   DFND 1,2 217,505 0 0
THOMSON REUTERS CORP COM 884903105 313 6,810 SH   DFND 1,2 6,810 0 0
PENSARE ACQUISITION CORP COM 70957E105 6,769 700,000 SH   DFND 1,2 700,000 0 0
TARGET CORP COM 87612E106 257 4,357 SH   DFND 1,2 4,357 0 0
ANI PHARMACEUTICALS INC COM 00182C103 8,141 155,089 SH   DFND 1,2 155,089 0 0
AGIOS PHARMACEUTICALS INC COM 00847X104 200 2,997 SH   DFND 1,2 2,997 0 0
ALERE INC PFD CNV SER B 01449J204 19,013 47,414 SH   DFND 1,2 47,414 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 10,363 60,000 SH Put DFND 1,2 0 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 10,363 60,000 SH   DFND 1,2 60,000 0 0
AMERIPRISE FINL INC COM 03076C106 260 1,748 SH   DFND 1,2 1,748 0 0
ARCONIC INC COM 03965L100 7,464 300,000 SH Call DFND 1,2 0 0 0
ARCONIC INC 5.375% PFD B 1 03965L308 76,486 1,966,222 SH   DFND 1,2 1,966,222 0 0
ARES CAP CORP COM 04010L103 634 38,700 SH Put DFND 1,2 0 0 0
BAKER HUGHES A GE CO CL A 05722G100 259 7,067 SH   DFND 1,2 7,067 0 0
BARINGTON HILCO ACQUISITION COM 06759V101 1,989 190,480 SH   DFND 1,2 190,480 0 0
BROCADE COMMUNICATIONS SYS I NOTE 1.375% 1/0 111621AQ1 18,787 18,750,000 PRN   DFND 1,2 0 0 0
CYS INVTS INC COM 12673A108 106 12,279 SH   DFND 1,2 12,279 0 0
CAPSTEAD MTG CORP COM NO PAR 14067E506 106 11,003 SH   DFND 1,2 11,003 0 0
CHESAPEAKE ENERGY CORP NOTE 2.250%12/1 165167CB1 63 70,000 PRN   DFND 1,2 0 0 0
CONVERGYS CORP SDCV 5.750% 9/1 212485AE6 55,124 23,150,000 PRN   DFND 1,2 0 0 0
CORNERSTONE TOTAL RTRN FD IN COM 21924U300 4,278 292,396 SH   DFND 1,2 292,396 0 0
DRAPER OAKWOOD TECHNOLOGY UNIT 09/30/2024 26146L202 1,022 100,000 SH   DFND 1,2 100,000 0 0
EPR PPTYS COM SH BEN INT 26884U109 266 3,808 SH   DFND 1,2 3,808 0 0
EMERGENT BIOSOLUTIONS INC NOTE 2.875% 1/1 29089QAB1 18,015 12,500,000 PRN   DFND 1,2 0 0 0
FIDUCIARY CLAYMORE MLP OPP F COM 31647Q106 435 33,700 SH   DFND 1,2 33,700 0 0
FORUM MERGER CORP COM CL A 34985B103 5,025 515,371 SH   DFND 1,2 515,371 0 0
GANNETT CO INC COM 36473H104 107 11,900 SH   DFND 1,2 11,900 0 0
GENERAL MTRS CO *W EXP 07/10/201 37045V126 1,562 69,692 SH   DFND 1,2 69,692 0 0
HENNESSY CAP ACQUSTON CORP I COM 42588L105 2,958 300,000 SH   DFND 1,2 300,000 0 0
IAC INTERACTIVECORP COM 44919P508 3,034 25,800 SH   DFND 1,2 25,800 0 0
I AM CAP ACQUISITION CO UNIT 08/15/2022 45074Q207 1,536 150,000 SH   DFND 1,2 150,000 0 0
INCYTE CORP COM 45337C102 593 5,083 SH   DFND 1,2 5,083 0 0
INTEL CORP SDCV 2.950%12/1 458140AD2 94,011 66,046,000 PRN   DFND 1,2 0 0 0
INTEL CORP SDCV 3.250% 8/0 458140AF7 32,155 17,480,000 PRN   DFND 1 0 0 0
INVESCO TR INVT GRADE MUNS COM 46131M106 209 15,607 SH   DFND 1,2 15,607 0 0
INVESCO MUN OPPORTUNITY TR COM 46132C107 186 14,320 SH   DFND 1,2 14,320 0 0
JENSYN ACQUISITION CORP COM 47632B102 2,593 253,498 SH   DFND 1,2 253,498 0 0
JUST ENERGY GROUP INC COM 48213W101 311 53,605 SH   DFND 1,2 53,605 0 0
KBL MERGER CORP IV COM 48242A104 4,145 426,400 SH   DFND 1,2 426,400 0 0
LAM RESEARCH CORP NOTE 1.250% 5/1 512807AL2 6,159 2,014,000 PRN   DFND 1,2 0 0 0
LIBERTY MEDIA CORP DEB 3.500% 1/1 530715AN1 10,322 18,683,000 PRN   DFND 1,2 0 0 0
LIBERTY MEDIA CORP DELAWARE NOTE 1.375%10/1 531229AB8 22,962 19,000,000 PRN   DFND 1,2 0 0 0
M I ACQUISITIONS INC COM 55304A104 1,995 195,600 SH   DFND 1,2 195,600 0 0
M III ACQUISITION CORP COM 55378T104 10,394 1,057,400 SH   DFND 1,2 1,057,400 0 0
MEDICINES CO NOTE 2.500% 1/1 584688AE5 30,281 24,000,000 PRN   DFND 1,2 0 0 0
METHANEX CORP COM 59151K108 301 5,984 SH   DFND 1,2 5,984 0 0
MODERN MEDIA ACQUISITION COM 60765P103 8,218 842,000 SH   DFND 1,2 842,000 0 0
MOLINA HEALTHCARE INC DBCV 1.625% 8/1 60855RAD2 28,718 22,975,000 PRN   DFND 1,2 0 0 0
NXP SEMICONDUCTORS N V DBCV 1.000%12/0 62952QAB6 52,578 43,500,000 PRN   DFND 1,2 0 0 0
NEUROCRINE BIOSCIENCES INC COM 64125C109 215 3,507 SH   DFND 1,2 3,507 0 0
NEW YORK REIT INC COM 64976L109 6,189 788,386 SH   DFND 1,2 788,386 0 0
NOVELLUS SYS INC NOTE 2.625% 5/1 670008AD3 1,791 326,000 PRN   DFND 1,2 0 0 0
NVIDIA CORP COM 67066G104 388 2,173 SH   DFND 1,2 2,173 0 0
NUVEEN AMT FREE MUN CR INC F COM 67071L106 238 15,440 SH   DFND 1,2 15,440 0 0
NUVEEN FLOATING RATE INCOME COM 67072T108 309 26,400 SH   DFND 1,2 26,400 0 0
PIMCO MUN INCOME FD II COM 72200W106 261 19,852 SH   DFND 1,2 19,852 0 0
REDWOOD TR INC NOTE 4.750% 8/1 758075AC9 1,495 1,500,000 PRN   DFND 1,2 0 0 0
SELECT SECTOR SPDR TR ENERGY 81369Y506 1,027 15,000 SH   DFND 1 15,000 0 0
SELECT SECTOR SPDR TR SBI INT-FINL 81369Y605 12,930 500,000 SH Put DFND 1,2 0 0 0
SELECT SECTOR SPDR TR SBI INT-UTILS 81369Y886 1,395 26,300 SH   DFND 1,2 26,300 0 0
SPIRIT RLTY CAP INC NEW COM 84860W102 109 12,737 SH   DFND 1,2 12,737 0 0
SPROTT PHYSICAL GOLD TRUST UNIT 85207H104 616 58,965 SH   DFND 1,2 58,965 0 0
SPROTT PHYSICAL SILVER TR TR UNIT 85207K107 1,099 174,960 SH   DFND 1,2 174,960 0 0
SPROTT PHYSICAL PLAT PALLAD UNIT 85207Q104 2,754 324,840 SH   DFND 1,2 324,840 0 0
TAKE-TWO INTERACTIVE SOFTWAR NOTE 1.000% 7/0 874054AD1 59,037 12,445,000 PRN   DFND 1,2 0 0 0
TRINITY INDS INC NOTE 3.875% 6/0 896522AF6 33,309 24,757,000 PRN   DFND 1,2 0 0 0
VERTEX PHARMACEUTICALS INC COM 92532F100 253 1,663 SH   DFND 1,2 1,663 0 0
WASHINGTON PRIME GROUP NEW COM 93964W108 105 12,593 SH   DFND 1,2 12,593 0 0
ALLERGAN PLC SHS G0177J108 1,115 5,438 SH   DFND 1,2 5,438 0 0
ALLERGAN PLC SHS G0177J108 76,959 375,500 SH Call DFND 1,2 0 0 0
ASSURED GUARANTY LTD COM G0585R106 234 6,192 SH   DFND 1,2 6,192 0 0
BANK OF NT BUTTERFIELD&SON L SHS NEW G0772R208 629 17,462 SH   DFND 1,2 17,462 0 0
BISON CAP ACQUISITION CORP ORD SHS G1142P104 4,195 425,000 SH   DFND 1,2 425,000 0 0
CAPITOL INVT CORP IV UNIT 99/99/9999 G18920119 1,012 100,000 SH   DFND 1,2 100,000 0 0
CONSTELLATION ALPHA CAP CORP SHS G2379F108 5,362 550,000 SH   DFND 1,2 550,000 0 0
ELECTRUM SPL ACQUISITION COR SHS G3105C104 23,438 2,286,597 SH   DFND 1,2 2,286,597 0 0
HERBALIFE LTD COM USD SHS G4412G101 691 10,185 SH   DFND 1,2 10,185 0 0
JANUS HENDERSON GROUP PLC ORD SHS G4474Y214 1,154 33,131 SH   DFND 1,2 33,131 0 0
NATIONAL ENERGY SERVICES REU SHS G6375R107 13,147 1,366,583 SH   DFND 1,2 1,366,583 0 0
ORIGO ACQUISITION CORP SHS G67789126 1,343 126,676 SH   DFND 1 126,676 0 0
SOCIAL CAP HEDOSOPHIA HLDGS UNIT 99/99/9999 G8250R111 1,055 100,000 SH   DFND 1,2 100,000 0 0
HUNTER MARITIME ACQUISITION CL A Y37828111 886 90,000 SH   DFND 1,2 90,000 0 0