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
ACCELERON PHARMA INC COM 00434H108 618 24,800 SH   DFND 0 24,800 0
ACHILLION PHARMACEUTICALS IN COM 00448Q201 1,278 185,000 SH   DFND 0 185,000 0
ADVENT CLAYMORE CV SECS & IN COM 00764C109 793 60,190 SH   DFND 0 60,190 0
ADVENT CLAYMORE ENH GRW & IN COM 00765E104 2,670 325,643 SH   DFND 0 325,643 0
AGILENT TECHNOLOGIES INC COM 00846U101 1,030 30,000 SH   DFND 0 30,000 0
AGILENT TECHNOLOGIES INC COM 00846U101 6 50,000 SH Call DFND 0 50,000 0
ALEXION PHARMACEUTICALS INC COM 015351109 6,162 39,400 SH   DFND 0 39,400 0
ALEXION PHARMACEUTICALS INC COM 015351109 41 15,000 SH Call DFND 0 15,000 0
ALKERMES PLC SHS G01767105 1,772 30,200 SH   DFND 0 30,200 0
ALLERGAN PLC SHS G0177J108 7,281 26,786 SH   DFND 0 26,786 0
ALLIANCEBERNSTEIN INCOME FUN COM 01881E101 1,489 189,400 SH   DFND 0 189,400 0
ALLIANZGI CONV & INCOME FD COM 018828103 1,657 284,166 SH   DFND 0 284,166 0
AMERICAN CAP LTD COM 02503Y103 3,446 283,400 SH   DFND 0 283,400 0
AMERICAN CAP SR FLOATING LTD COM 02504D108 907 81,818 SH   DFND 0 81,818 0
ANALOGIC CORP COM PAR $0.05 032657207 1,149 14,000 SH   DFND 0 14,000 0
APOLLO SR FLOATING RATE FD I COM 037636107 4,484 285,954 SH   DFND 0 285,954 0
APOLLO TACTICAL INCOME FD IN COM 037638103 2,022 139,538 SH   DFND 0 139,538 0
ARBUTUS BIOPHARMA CORP COM 03879J100 1,225 201,100 SH   DFND 0 201,100 0
ARES DYNAMIC CR ALLOCATION F COM 04014F102 5,210 372,969 SH   DFND 0 372,969 0
ARIAD PHARMACEUTICALS INC COM 04033A100 834 142,800 SH   DFND 0 142,800 0
ASTRAZENECA PLC SPONSORED ADR 046353108 955 30,000 SH   DFND 0 30,000 0
AVENUE INCOME CR STRATEGIES COM 05358E106 1,352 105,210 SH   DFND 0 105,210 0
BARCLAYS BK PLC IPATH S&P500 VIX 06742E711 300 1,443,700 SH Put DFND 0 1,443,700 0
BARCLAYS BK PLC IPATH S&P500 VIX 06742E711 269 10,500 SH   DFND 0 10,500 0
BIOGEN INC COM 09062X103 8,778 30,082 SH   DFND 0 30,082 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 575 5,456 SH   DFND 0 5,456 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 30 50,000 SH Call DFND 0 50,000 0
BLACKROCK DEBT STRAT FD INC COM 09255R103 1,540 460,975 SH   DFND 0 460,975 0
BLACKROCK FLOAT RATE OME STR COM 09255X100 7,153 552,754 SH   DFND 0 552,754 0
BLACKROCK FLOATING RATE INCO COM 091941104 2,450 196,925 SH   DFND 0 196,925 0
BLACKROCK LTD DURATION INC T COM SHS 09249W101 1,069 74,063 SH   DFND 0 74,063 0
BLACKROCK MULTI-SECTOR INC T COM 09258A107 3,218 204,836 SH   DFND 0 204,836 0
BLACKROCK MUNI INTER DR FD I COM 09253X102 2,801 201,212 SH   DFND 0 201,212 0
BLACKROCK MUNIHLDGS NJ QLTY COM 09254X101 149 11,020 SH   DFND 0 11,020 0
BLACKROCK MUNIYIELD FD INC COM 09253W104 174 12,253 SH   DFND 0 12,253 0
BLACKSTONE GSO FLTING RTE FU COM 09256U105 161 10,160 SH   DFND 0 10,160 0
BLACKSTONE GSO LNG SHRT CR I COM SHS BN INT 09257D102 6,558 460,242 SH   DFND 0 460,242 0
BLACKSTONE GSO STRATEGIC CR COM SHS BEN IN 09257R101 11,209 788,836 SH   DFND 0 788,836 0
BLUEBIRD BIO INC COM 09609G100 2 10,000 SH Call DFND 0 10,000 0
BOULDER GROWTH & INCOME FD I COM 101507101 9,451 1,268,583 SH   DFND 0 1,268,583 0
BRISTOL MYERS SQUIBB CO COM 110122108 4,416 74,600 SH   DFND 0 74,600 0
BROOKDALE SR LIVING INC COM 112463104 918 40,000 SH   DFND 0 40,000 0
BROOKFIELD HIGH INCOME FD IN COM 11272P102 1,157 162,550 SH   DFND 0 162,550 0
BROOKFIELD MTG OPP INC FD IN COM 112792106 7,551 512,253 SH   DFND 0 512,253 0
BROOKFIELD TOTAL RETURN FD I COM 11283U108 1,220 57,245 SH   DFND 0 57,245 0
CELGENE CORP COM 151020104 8,545 79,000 SH   DFND 0 79,000 0
CELGENE CORP COM 151020104 4 10,000 SH Call DFND 0 10,000 0
CENTRAL FD CDA LTD CL A 153501101 7,572 715,000 SH   DFND 0 715,000 0
CENTRAL GOLDTRUST TR UNIT 153546106 5,778 145,619 SH   DFND 0 145,619 0
CHIMERA INVT CORP COM NEW 16934Q208 2,005 150,000 SH   DFND 0 150,000 0
CLEAR CHANNEL OUTDOOR HLDGS CL A 18451C109 221 31,008 SH   DFND 0 31,008 0
CLOVIS ONCOLOGY INC COM 189464100 1,122 12,200 SH   DFND 0 12,200 0
COHEN & STEERS REIT & PFD IN COM 19247X100 4,506 260,000 SH   DFND 0 260,000 0
COMMUNITY HEALTH SYS INC NEW COM 203668108 2,006 46,900 SH   DFND 0 46,900 0
CREDIT SUISSE HIGH YLD BND F SH BEN INT 22544F103 1,333 587,104 SH   DFND 0 587,104 0
DANAHER CORP DEL COM 235851102 5 20,000 SH Call DFND 0 20,000 0
DEUTSCHE HIGH INCOME OPPORT COM 25158Y102 1,641 124,823 SH   DFND 0 124,823 0
DIPLOMAT PHARMACY INC COM 25456K101 2,065 71,885 SH   DFND 0 71,885 0
DREYFUS HIGH YIELD STRATEGIE SH BEN INT 26200S101 1,383 452,102 SH   DFND 0 452,102 0
DYAX CORP COM 26746E103 382 20,000 SH   DFND 0 20,000 0
EATON VANCE FLTG RATE INCOM COM SHS BEN INT 278284104 2,454 167,165 SH   DFND 0 167,165 0
EATON VANCE FLTING RATE INC COM 278279104 1,549 116,959 SH   DFND 0 116,959 0
EATON VANCE LTD DUR INCOME F COM 27828H105 1,268 100,000 SH   DFND 0 100,000 0
EATON VANCE MUN BD FD COM 27827X101 2,513 200,859 SH   DFND 0 200,859 0
EATON VANCE SR INCOME TR SH BEN INT 27826S103 4,257 725,155 SH   DFND 0 725,155 0
ENDO INTL PLC SHS G30401106 3,291 47,500 SH   DFND 0 47,500 0
ENDOLOGIX INC COM 29266S106 946 77,200 SH   DFND 0 77,200 0
ENVISION HEALTHCARE HLDGS IN COM 29413U103 765 20,800 SH   DFND 0 20,800 0
ENVISION HEALTHCARE HLDGS IN COM 29413U103 2 10,000 SH Call DFND 0 10,000 0
FIRST TR HIGH INCOME L/S FD COM 33738E109 1,312 93,093 SH   DFND 0 93,093 0
FIRST TR STRATEGIC HIGH INC COM SHS NEW 337353304 2,222 193,207 SH   DFND 0 193,207 0
FLUIDIGM CORP DEL COM 34385P108 203 25,000 SH   DFND 0 25,000 0
GAMCO NAT RES GOLD & INCOME SH BEN INT 36465E101 58 10,000 SH   DFND 0 10,000 0
GILEAD SCIENCES INC COM 375558103 3 40,000 SH Call DFND 0 40,000 0
GILEAD SCIENCES INC COM 375558103 7,590 77,300 SH   DFND 0 77,300 0
HCA HOLDINGS INC COM 40412C101 774 10,000 SH   DFND 0 10,000 0
HEARTWARE INTL INC COM 422368100 1,831 35,000 SH   DFND 0 35,000 0
HERBALIFE LTD COM USD SHS G4412G101 18 20,000 SH Put DFND 0 20,000 0
HUMANA INC COM 444859102 17,005 95,000 SH   DFND 0 95,000 0
HUMANA INC COM 444859102 226 40,000 SH Put DFND 0 40,000 0
ILLUMINA INC COM 452327109 2,110 12,000 SH   DFND 0 12,000 0
IMMUNOGEN INC COM 45253H101 1,180 122,900 SH   DFND 0 122,900 0
INCYTE CORP COM 45337C102 1,898 17,200 SH   DFND 0 17,200 0
INCYTE CORP COM 45337C102 113 20,000 SH Call DFND 0 20,000 0
INFINITY PHARMACEUTICALS INC COM 45665G303 1,167 138,100 SH   DFND 0 138,100 0
INTERSECT ENT INC COM 46071F103 824 35,213 SH   DFND 0 35,213 0
INVESCO DYNAMIC CR OPP FD COM 46132R104 12,205 1,154,727 SH   DFND 0 1,154,727 0
INVESCO SR INCOME TR COM 46131H107 2,662 636,786 SH   DFND 0 636,786 0
IRONWOOD PHARMACEUTICALS INC COM CL A 46333X108 741 71,100 SH   DFND 0 71,100 0
ISHARES MSCI GERMANY ETF 464286806 16 26,200 SH Put DFND 0 26,200 0
ISHARES S&P GSCI COMMODITY I UNIT BEN INT 46428R107 8 30,000 SH Put DFND 0 30,000 0
ISHARES TR 20+ YR TR BD ETF 464287432 371 3,002 SH   DFND 0 3,002 0
ISHARES TR NASDQ BIOTEC ETF 464287556 3,033 10,000 SH   DFND 0 10,000 0
ISHARES TR NASDQ BIOTEC ETF 464287556 3,142 70,000 SH Put DFND 0 70,000 0
ISHARES TR RUSSELL 2000 ETF 464287655 428 70,000 SH Put DFND 0 70,000 0
ISHARES TR JP MOR EM MK ETF 464288281 842 175,200 SH Put DFND 0 175,200 0
ISIS PHARMACEUTICALS INC COM 464330109 2,102 52,000 SH   DFND 0 52,000 0
IVY HIGH INC OPPORTUNITIES F COM 465893105 1,524 117,536 SH   DFND 0 117,536 0
JAZZ PHARMACEUTICALS PLC SHS USD G50871105 4 10,000 SH Call DFND 0 10,000 0
JAZZ PHARMACEUTICALS PLC SHS USD G50871105 4,768 35,900 SH   DFND 0 35,900 0
JUNO THERAPEUTICS INC COM 48205A109 1,424 35,000 SH   DFND 0 35,000 0
KITE PHARMA INC COM 49803L109 1,448 26,007 SH   DFND 0 26,007 0
KKR INCOME OPPORTUNITIES FD COM 48249T106 1,262 86,670 SH   DFND 0 86,670 0
LANNET INC COM 516012101 3,567 85,900 SH   DFND 0 85,900 0
LIBERTY ALL STAR EQUITY FD SH BEN INT 530158104 4,387 863,638 SH   DFND 0 863,638 0
LMP CORPORATE LN FD INC COM 50208B100 3,004 292,227 SH   DFND 0 292,227 0
LMP REAL ESTATE INCOME FD IN COM 50208C108 4,927 401,255 SH   DFND 0 401,255 0
LUMINEX CORP DEL COM 55027E102 688 40,700 SH   DFND 0 40,700 0
MACYS INC COM 55616P104 3 20,000 SH Call DFND 0 20,000 0
MALLINCKRODT PUB LTD CO SHS G5785G107 3,389 53,000 SH   DFND 0 53,000 0
MASIMO CORP COM 574795100 1,157 30,000 SH   DFND 0 30,000 0
MCKESSON CORP COM 58155Q103 851 4,600 SH   DFND 0 4,600 0
MEDIVATION INC COM 58501N101 5,245 123,400 SH   DFND 0 123,400 0
MEDTRONIC PLC SHS G5960L103 7 20,000 SH Call DFND 0 20,000 0
MERRIMACK PHARMACEUTICALS IN COM 590328100 809 95,090 SH   DFND 0 95,090 0
MFS INTERMEDIATE HIGH INC FD SH BEN INT 59318T109 787 346,661 SH   DFND 0 346,661 0
MYLAN N V SHS EURO N59465109 1 50,000 SH Call DFND 0 50,000 0
NEUBERGER BERMAN HGH YLD FD COM 64128C106 445 43,655 SH   DFND 0 43,655 0
NEW RESIDENTIAL INVT CORP COM NEW 64828T201 2,162 165,000 SH   DFND 0 165,000 0
NEXPOINT CR STRATEGIES FD COM 65340G106 83 14,493 SH   DFND 0 14,493 0
NORTHSTAR RLTY FIN CORP COM NEW 66704R704 469 38,000 SH   DFND 0 38,000 0
NUVEEN CR STRATEGIES INCM FD COM SHS 67073D102 13,648 1,710,276 SH   DFND 0 1,710,276 0
NUVEEN DIVID ADV MUN FD 3 COM SH BEN INT 67070X101 4,382 323,191 SH   DFND 0 323,191 0
NUVEEN DIVID ADVANTAGE MUN F COM 67066V101 408 29,643 SH   DFND 0 29,643 0
NUVEEN FLOATING RATE INCOME COM 67072T108 6,122 609,188 SH   DFND 0 609,188 0
NUVEEN FLTNG RTE INCM OPP FD COM SHS 6706EN100 2,640 265,376 SH   DFND 0 265,376 0
NUVEEN GLOBAL HIGH INCOME FD SHS 67075G103 1,199 83,123 SH   DFND 0 83,123 0
NUVEEN LG/SHT COMMODITY TOTR COM UT BEN INT 670731108 4,817 301,069 SH   DFND 0 301,069 0
NUVEEN MTG OPPORTUNITY TERM COM 670735109 5,376 240,000 SH   DFND 0 240,000 0
NUVEEN MTG OPPTY TERM FD 2 COM 67074R100 271 12,490 SH   DFND 0 12,490 0
NUVEEN MUN ADVANTAGE FD INC COM 67062H106 183 13,772 SH   DFND 0 13,772 0
NUVEEN MUN MKT OPPORTUNITY F COM 67062W103 2,493 190,316 SH   DFND 0 190,316 0
NUVEEN MUN OPPORTUNITY FD IN COM 670984103 4,628 328,491 SH   DFND 0 328,491 0
NUVEEN PA INVT QUALITY MUN F COM 670972108 579 44,106 SH   DFND 0 44,106 0
NUVEEN PERFORMANCE PLUS MUN COM 67062P108 2,132 150,336 SH   DFND 0 150,336 0
NUVEEN PREM INCOME MUN FD COM 67062T100 2,001 149,297 SH   DFND 0 149,297 0
NUVEEN PREM INCOME MUN FD 2 COM 67063W102 5,552 406,737 SH   DFND 0 406,737 0
NUVEEN PREMIER MUN INCOME FD COM 670988104 2,272 174,086 SH   DFND 0 174,086 0
NUVEEN QUALITY INCOME MUN FD COM 670977107 1,500 111,178 SH   DFND 0 111,178 0
NUVEEN SHT DUR CR OPP FD COM 67074X107 5,509 362,205 SH   DFND 0 362,205 0
NUVEEN SR INCOME FD COM 67067Y104 6,202 1,049,428 SH   DFND 0 1,049,428 0
PCM FUND INC COM 69323T101 696 73,218 SH   DFND 0 73,218 0
PENN VA CORP COM 707882106 1 12,000 SH Call DFND 0 12,000 0
PERRIGO CO PLC SHS G97822103 3,507 22,300 SH   DFND 0 22,300 0
PFIZER INC COM 717081103 1,413 45,000 SH   DFND 0 45,000 0
PIMCO CORPORATE & INCOME OPP COM 72201B101 238 17,917 SH   DFND 0 17,917 0
PIMCO CORPORATE INCOME STRAT COM 72200U100 1,351 102,847 SH   DFND 0 102,847 0
PIMCO DYNAMIC CR INCOME FD COM SHS 72202D106 9,587 524,739 SH   DFND 0 524,739 0
PIMCO INCOME OPPORTUNITY FD COM 72202B100 352 15,380 SH   DFND 0 15,380 0
PIMCO INCOME STRATEGY FUND COM 72201H108 2,772 286,372 SH   DFND 0 286,372 0
PIMCO INCOME STRATEGY FUND I COM 72201J104 1,725 195,086 SH   DFND 0 195,086 0
PIONEER FLOATING RATE TR COM 72369J102 4,199 370,980 SH   DFND 0 370,980 0
POWERSHS DB MULTI SECT COMM PS DB AGRICUL FD 73936B408 960 46,000 SH   DFND 0 46,000 0
PROTHENA CORP PLC SHS G72800108 617 13,600 SH   DFND 0 13,600 0
PRUDENTIAL SHT DURATION HG Y COM 74442F107 480 32,762 SH   DFND 0 32,762 0
RADIO ONE INC CL D NON VTG 75040P405 148 69,381 SH   DFND 0 69,381 0
REGENERON PHARMACEUTICALS COM 75886F107 5,139 11,048 SH   DFND 0 11,048 0
RMR REAL ESTATE INCOME FUND COM 76970B101 8,052 445,872 SH   DFND 0 445,872 0
SELECT SECTOR SPDR TR SBI MATERIALS 81369Y100 16,567 415,002 SH   DFND 0 415,002 0
SELECT SECTOR SPDR TR SBI MATERIALS 81369Y100 27 529,700 SH Call DFND 0 529,700 0
SELECT SECTOR SPDR TR SBI MATERIALS 81369Y100 2,590 1,071,800 SH Put DFND 0 1,071,800 0
SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 26,963 440,568 SH   DFND 0 440,568 0
SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 60 574,400 SH Call DFND 0 574,400 0
SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 4,507 662,100 SH Put DFND 0 662,100 0
SHIRE PLC SPONSORED ADR 82481R106 3,981 19,400 SH   DFND 0 19,400 0
SPARK THERAPEUTICS INC COM 84652J103 2,477 59,350 SH   DFND 0 59,350 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 4 12,000 SH Call DFND 0 12,000 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 1,815 396,500 SH Put DFND 0 396,500 0
SPDR SERIES TRUST S&P OILGAS EXP 78464A730 1,970 60,000 SH   DFND 0 60,000 0
SPDR SERIES TRUST S&P OILGAS EXP 78464A730 1,111 70,200 SH Put DFND 0 70,200 0
SPDR SERIES TRUST S&P BIOTECH 78464A870 1,062 90,000 SH Put DFND 0 90,000 0
SPDR SERIES TRUST S&P HOMEBUILD 78464A888 1,667 1,530,000 SH Put DFND 0 1,530,000 0
SPDR SERIES TRUST S&P HOMEBUILD 78464A888 133 600,000 SH Call DFND 0 600,000 0
SPDR SERIES TRUST S&P HOMEBUILD 78464A888 10,406 304,000 SH   DFND 0 304,000 0
SPRINT CORP COM SER 1 85207U105 35 50,000 SH Put DFND 0 50,000 0
ST JUDE MED INC COM 790849103 5 20,000 SH Call DFND 0 20,000 0
SURGICAL CARE AFFILIATES INC COM 86881L106 1,635 50,000 SH   DFND 0 50,000 0
TEL INSTR ELECTRS CORP COM NEW 879165207 85 18,385 SH   DFND 0 18,385 0
TELEFLEX INC COM 879369106 1,118 9,000 SH   DFND 0 9,000 0
TENET HEALTHCARE CORP COM NEW 88033G407 3,470 94,000 SH   DFND 0 94,000 0
TENET HEALTHCARE CORP COM NEW 88033G407 1 20,000 SH Call DFND 0 20,000 0
THERMO FISHER SCIENTIFIC INC COM 883556102 856 7,000 SH   DFND 0 7,000 0
THL CR SR LN FD COM 87244R103 1,143 73,768 SH   DFND 0 73,768 0
UNIVERSAL HLTH SVCS INC CL B 913903100 1,248 10,000 SH   DFND 0 10,000 0
VERTEX PHARMACEUTICALS INC COM 92532F100 3,124 30,000 SH   DFND 0 30,000 0
WELLCARE HEALTH PLANS INC COM 94946T106 11 20,000 SH Call DFND 0 20,000 0
WELLS FARGO ADVANTAGE INCOME COM SHS 94987B105 2,159 285,254 SH   DFND 0 285,254 0
WELLS FARGO ADVANTAGE MULTI COM SHS 94987D101 828 72,992 SH   DFND 0 72,992 0
WESTERN ASSET CLYM INFL OPP COM 95766R104 1,578 151,708 SH   DFND 0 151,708 0
WESTERN ASSET CLYM INFL SEC COM SH BEN INT 95766Q106 3,647 345,695 SH   DFND 0 345,695 0
WESTERN ASSET HIGH INCM FD I COM 95766J102 3,183 491,936 SH   DFND 0 491,936 0
WISDOMTREE TR INDIA ERNGS FD 97717W422 681 250,000 SH Call DFND 0 250,000 0
WL ROSS HLDG CORP COM SHS 92939D104 2,261 217,800 SH   DFND 0 217,800 0
WL ROSS HLDG CORP UNIT 06/11/2019 92939D203 287 25,600 SH   DFND 0 25,600 0
WORLD ACCEP CORP DEL COM 981419104 104 20,000 SH Put DFND 0 20,000 0
WORLD ACCEP CORP DEL COM 981419104 4 10,000 SH Call DFND 0 10,000 0