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
ABERDEEN ASIA PACIFIC INCOM COM 003009107 859 187,956 SH   DFND 0 187,956 0
ACCELERON PHARMA INC COM 00434H108 1,209 24,800 SH   DFND 0 24,800 0
ACHILLION PHARMACEUTICALS IN COM 00448Q201 1,340 124,200 SH   DFND 0 124,200 0
ADVANCED MICRO DEVICES INC COM 007903107 176 637,900 SH Put DFND 0 637,900 0
ADVENT CLAY CONV SEC INC FD COM 007639107 194 34,988 SH   DFND 0 34,988 0
ADVENT CLAYMORE CV SECS & IN COM 00764C109 1,434 106,083 SH   DFND 0 106,083 0
ADVENT CLAYMORE ENH GRW & IN COM 00765E104 3,984 481,748 SH   DFND 0 481,748 0
AETNA INC NEW COM 00817Y108 33 45,500 SH Call DFND 0 45,500 0
AGILENT TECHNOLOGIES INC COM 00846U101 1,923 46,000 SH   DFND 0 46,000 0
ALEXION PHARMACEUTICALS INC COM 015351109 5,398 28,300 SH   DFND 0 28,300 0
ALKERMES PLC SHS G01767105 1,603 20,200 SH   DFND 0 20,200 0
ALLIANZGI CONV & INCOME FD COM 018828103 2,595 468,500 SH   DFND 0 468,500 0
ALLIANZGI CONV & INCOME FD I COM 018825109 1,412 279,519 SH   DFND 0 279,519 0
ALLIANZGI DIVERS INC & CNV F COM 01883J108 574 31,625 SH   DFND 0 31,625 0
AMERICAN CAP LTD COM 02503Y103 690 50,000 SH   DFND 0 50,000 0
AMERICAN CAP SR FLOATING LTD COM 02504D108 549 55,850 SH   DFND 0 55,850 0
APOLLO SR FLOATING RATE FD I COM 037636107 4,650 306,928 SH   DFND 0 306,928 0
APOLLO TACTICAL INCOME FD IN COM 037638103 2,244 161,565 SH   DFND 0 161,565 0
ARBUTUS BIOPHARMA CORP COM 03879J100 681 153,133 SH   DFND 0 153,133 0
ARES DYNAMIC CR ALLOCATION F COM 04014F102 5,232 391,653 SH   DFND 0 391,653 0
ARIAD PHARMACEUTICALS INC COM 04033A100 893 142,800 SH   DFND 0 142,800 0
AVENUE INCOME CR STRATEGIES COM 05358E106 1,315 115,874 SH   DFND 0 115,874 0
BARCLAYS BK PLC IPATH S&P500 VIX 06742E711 2,910 2,217,300 SH Put DFND 0 2,217,300 0
BAXALTA INC COM 07177M103 2,342 60,000 SH   DFND 0 60,000 0
BIOGEN INC COM 09062X103 4,191 13,682 SH   DFND 0 13,682 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 5,141 49,072 SH   DFND 0 49,072 0
BLACKROCK DEBT STRAT FD INC COM 09255R103 887 263,312 SH   DFND 0 263,312 0
BLACKROCK ENERGY & RES TR COM 09250U101 1,636 130,600 SH   DFND 0 130,600 0
BLACKROCK FLOAT RATE OME STR COM 09255X100 5,473 424,285 SH   DFND 0 424,285 0
BLACKROCK FLOATING RATE INCO COM 091941104 700 56,013 SH   DFND 0 56,013 0
BLACKROCK MULTI-SECTOR INC T COM 09258A107 3,425 216,660 SH   DFND 0 216,660 0
BLACKROCK MUNI INTER DR FD I COM 09253X102 3,158 222,844 SH   DFND 0 222,844 0
BLACKROCK MUNIHLDGS NJ QLTY COM 09254X101 159 11,020 SH   DFND 0 11,020 0
BLACKSTONE GSO LNG SHRT CR I COM SHS BN INT 09257D102 6,204 460,242 SH   DFND 0 460,242 0
BLACKSTONE GSO STRATEGIC CR COM SHS BEN IN 09257R101 10,547 788,836 SH   DFND 0 788,836 0
BLUEBIRD BIO INC COM 09609G100 2,183 34,000 SH   DFND 0 34,000 0
BOULDER GROWTH & INCOME FD I COM 101507101 9,819 1,268,583 SH   DFND 0 1,268,583 0
BRISTOL MYERS SQUIBB CO COM 110122108 4,444 64,600 SH   DFND 0 64,600 0
BROOKFIELD HIGH INCOME FD IN COM 11272P102 1,592 232,122 SH   DFND 0 232,122 0
BROOKFIELD MTG OPP INC FD IN COM 112792106 8,019 543,631 SH   DFND 0 543,631 0
BROOKFIELD TOTAL RETURN FD I COM 11283U108 876 39,900 SH   DFND 0 39,900 0
CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 1,723 163,944 SH   DFND 0 163,944 0
CALAMOS CONV OPP AND INC FD SH BEN INT 128117108 1,198 120,907 SH   DFND 0 120,907 0
CALAMOS GBL DYN INCOME FUND COM 12811L107 1,690 236,000 SH   DFND 0 236,000 0
CALAMOS GLOBAL TOTAL RETURN COM SH BEN INT 128118106 1,107 96,908 SH   DFND 0 96,908 0
CELGENE CORP COM 151020104 6,347 53,000 SH   DFND 0 53,000 0
CENTRAL FD CDA LTD CL A 153501101 6,993 700,000 SH   DFND 0 700,000 0
CERNER CORP COM 156782104 2,948 49,000 SH   DFND 0 49,000 0
CHIMERA INVT CORP COM NEW 16934Q208 2,046 150,000 SH   DFND 0 150,000 0
CLEAR CHANNEL OUTDOOR HLDGS CL A 18451C109 409 73,180 SH   DFND 0 73,180 0
CLOUGH GLOBAL OPPORTUNITIES SH BEN INT 18914E106 772 73,958 SH   DFND 0 73,958 0
COHEN & STEERS REIT & PFD IN COM 19247X100 4,250 230,468 SH   DFND 0 230,468 0
CORNERSTONE STRATEGIC VALUE COM PAR $0.001 21924B302 933 59,582 SH   DFND 0 59,582 0
CREDIT SUISSE HIGH YLD BND F SH BEN INT 22544F103 510 223,749 SH   DFND 0 223,749 0
CROSSROADS CAP INC COM 227656105 200 62,400 SH   DFND 0 62,400 0
DEUTSCHE HIGH INCOME OPPORT COM 25158Y102 1,630 124,823 SH   DFND 0 124,823 0
DEUTSCHE HIGH INCOME TR SHS 25155R100 232 29,235 SH   DFND 0 29,235 0
DIPLOMAT PHARMACY INC COM 25456K101 3,712 108,485 SH   DFND 0 108,485 0
DIVIDEND & INCOME FUND COM NEW 25538A204 743 67,445 SH   DFND 0 67,445 0
EATON VANCE FLTG RATE INCOM COM SHS BEN INT 278284104 2,365 167,165 SH   DFND 0 167,165 0
EATON VANCE FLTING RATE INC COM 278279104 1,410 111,560 SH   DFND 0 111,560 0
EATON VANCE LTD DUR INCOME F COM 27828H105 1,266 99,183 SH   DFND 0 99,183 0
EATON VANCE SR INCOME TR SH BEN INT 27826S103 3,511 608,482 SH   DFND 0 608,482 0
ENDO INTL PLC SHS G30401106 6,887 112,500 SH   DFND 0 112,500 0
ENDOLOGIX INC COM 29266S106 1,149 116,100 SH   DFND 0 116,100 0
ENTERCOM COMMUNICATIONS CORP CL A 293639100 3 10,000 SH Put DFND 0 10,000 0
ENVISION HEALTHCARE HLDGS IN COM 29413U103 1,060 40,800 SH   DFND 0 40,800 0
FIDUCIARY CLAYMORE MLP OPP F COM 31647Q106 2,077 160,000 SH   DFND 0 160,000 0
FIRST TR DIVIDEND INCOME FD COM 33731L100 312 36,828 SH   DFND 0 36,828 0
FIRST TR HIGH INCOME L/S FD COM 33738E109 572 40,626 SH   DFND 0 40,626 0
FIRST TR STRATEGIC HIGH INC COM SHS NEW 337353304 2,490 223,682 SH   DFND 0 223,682 0
GAMCO GLOBAL GOLD NAT RES & COM SH BEN INT 36465A109 2,812 592,037 SH   DFND 0 592,037 0
GAMCO NAT RES GOLD & INCOME SH BEN INT 36465E101 1,479 258,092 SH   DFND 0 258,092 0
GILEAD SCIENCES INC COM 375558103 8,530 84,300 SH   DFND 0 84,300 0
GOLDMAN SACHS MLP ENERGY REN COM 38148G107 1,543 281,508 SH   DFND 0 281,508 0
HCA HOLDINGS INC COM 40412C101 4,734 70,000 SH   DFND 0 70,000 0
HORIZON PHARMA PLC SHS G4617B105 2,160 99,700 SH   DFND 0 99,700 0
IMMUNOGEN INC COM 45253H101 948 69,851 SH   DFND 0 69,851 0
INCYTE CORP COM 45337C102 3,655 33,700 SH   DFND 0 33,700 0
INFINITY PHARMACEUTICALS INC COM 45665G303 1,084 138,100 SH   DFND 0 138,100 0
INTERSECT ENT INC COM 46071F103 792 35,213 SH   DFND 0 35,213 0
INVESCO DYNAMIC CR OPP FD COM 46132R104 12,510 1,185,774 SH   DFND 0 1,185,774 0
INVESCO SR INCOME TR COM 46131H107 2,649 655,632 SH   DFND 0 655,632 0
IONIS PHARMACEUTICALS INC COM 462222100 2,206 35,620 SH   DFND 0 35,620 0
IRONWOOD PHARMACEUTICALS INC COM CL A 46333X108 557 48,100 SH   DFND 0 48,100 0
ISHARES MSCI GERMANY ETF 464286806 16 60,000 SH Put DFND 0 60,000 0
ISHARES S&P GSCI COMMODITY I UNIT BEN INT 46428R107 4 30,000 SH Put DFND 0 30,000 0
ISHARES TR NASDQ BIOTEC ETF 464287556 617 61,000 SH Put DFND 0 61,000 0
ISHARES TR RUSSELL 2000 ETF 464287655 40 20,000 SH Put DFND 0 20,000 0
ISHARES TR JP MOR EM MK ETF 464288281 286 140,600 SH Put DFND 0 140,600 0
ISHARES TR IBOXX HI YD ETF 464288513 2 60,000 SH Call DFND 0 60,000 0
ISHARES TR IBOXX HI YD ETF 464288513 34 25,000 SH Put DFND 0 25,000 0
IVY HIGH INC OPPORTUNITIES F COM 465893105 2,571 207,646 SH   DFND 0 207,646 0
JAVELIN MTG INVT CORP COM 47200B104 211 33,686 SH   DFND 0 33,686 0
JAZZ PHARMACEUTICALS PLC SHS USD G50871105 6,325 45,000 SH   DFND 0 45,000 0
JUNO THERAPEUTICS INC COM 48205A109 1,451 33,000 SH   DFND 0 33,000 0
KAYNE ANDERSON MLP INVT CO COM 486606106 2,248 130,000 SH   DFND 0 130,000 0
KAYNE ANDERSON MLP INVT CO COM 486606106 1 40,000 SH Call DFND 0 40,000 0
KITE PHARMA INC COM 49803L109 1,294 21,007 SH   DFND 0 21,007 0
KKR INCOME OPPORTUNITIES FD COM 48249T106 1,213 87,470 SH   DFND 0 87,470 0
LANNET INC COM 516012101 2,540 63,300 SH   DFND 0 63,300 0
LIBERTY ALL STAR EQUITY FD SH BEN INT 530158104 2,864 535,244 SH   DFND 0 535,244 0
LMP CAP & INCOME FD INC COM 50208A102 846 68,376 SH   DFND 0 68,376 0
LMP CORPORATE LN FD INC COM 50208B100 2,887 292,227 SH   DFND 0 292,227 0
LMP REAL ESTATE INCOME FD IN COM 50208C108 4,688 359,517 SH   DFND 0 359,517 0
MALLINCKRODT PUB LTD CO SHS G5785G107 3,508 47,000 SH   DFND 0 47,000 0
MASIMO CORP COM 574795100 1,519 36,600 SH   DFND 0 36,600 0
MCKESSON CORP COM 58155Q103 2,268 11,500 SH   DFND 0 11,500 0
MEDIVATION INC COM 58501N101 5,240 108,400 SH   DFND 0 108,400 0
MEDTRONIC PLC SHS G5960L103 308 4,000 SH   DFND 0 4,000 0
MEDTRONIC PLC SHS G5960L103 15 20,000 SH Call DFND 0 20,000 0
MERRIMACK PHARMACEUTICALS IN COM 590328100 498 63,090 SH   DFND 0 63,090 0
MEXICO FD INC COM 592835102 364 21,900 SH   DFND 0 21,900 0
MFS INTERMEDIATE HIGH INC FD SH BEN INT 59318T109 719 309,961 SH   DFND 0 309,961 0
MOBILEYE N V AMSTELVEEN ORD SHS N51488117 7 10,000 SH Put DFND 0 10,000 0
NATERA INC COM 632307104 338 31,300 SH   DFND 0 31,300 0
NEUBERGER BERMAN HGH YLD FD COM 64128C106 1,675 166,046 SH   DFND 0 166,046 0
NEUBERGER BERMAN RE ES SEC F COM 64190A103 3,582 714,995 SH   DFND 0 714,995 0
NEW RESIDENTIAL INVT CORP COM NEW 64828T201 2,747 225,922 SH   DFND 0 225,922 0
NEW YORK MTG TR INC PFD-C CONV 649604808 572 30,500 SH   DFND 0 30,500 0
NEWLINK GENETICS CORP COM 651511107 364 10,000 SH   DFND 0 10,000 0
NORTHSTAR REALTY EUROPE CORP COM 66706L101 287 24,337 SH   DFND 0 24,337 0
NORTHSTAR RLTY FIN CORP COM 66704R803 1,427 83,813 SH   DFND 0 83,813 0
NUVEEN CR STRATEGIES INCM FD COM SHS 67073D102 13,409 1,710,276 SH   DFND 0 1,710,276 0
NUVEEN DIVERSIFIED COMMODTY COM UT BEN INT 67074P104 159 17,668 SH   DFND 0 17,668 0
NUVEEN DIVID ADV MUN FD 3 COM SH BEN INT 67070X101 4,323 301,065 SH   DFND 0 301,065 0
NUVEEN DIVID ADVANTAGE MUN F COM 67066V101 204 13,994 SH   DFND 0 13,994 0
NUVEEN FLOATING RATE INCOME COM 67072T108 4,747 463,605 SH   DFND 0 463,605 0
NUVEEN FLTNG RTE INCM OPP FD COM SHS 6706EN100 2,601 265,376 SH   DFND 0 265,376 0
NUVEEN GLOBAL HIGH INCOME FD SHS 67075G103 795 57,858 SH   DFND 0 57,858 0
NUVEEN LG/SHT COMMODITY TOTR COM UT BEN INT 670731108 3,037 195,411 SH   DFND 0 195,411 0
NUVEEN MTG OPPORTUNITY TERM COM 670735109 2,759 121,471 SH   DFND 0 121,471 0
NUVEEN MUN ADVANTAGE FD INC COM 67062H106 250 18,064 SH   DFND 0 18,064 0
NUVEEN MUN MKT OPPORTUNITY F COM 67062W103 2,561 185,703 SH   DFND 0 185,703 0
NUVEEN MUN OPPORTUNITY FD IN COM 670984103 4,663 325,391 SH   DFND 0 325,391 0
NUVEEN PA INVT QUALITY MUN F COM 670972108 604 44,106 SH   DFND 0 44,106 0
NUVEEN PERFORMANCE PLUS MUN COM 67062P108 697 46,618 SH   DFND 0 46,618 0
NUVEEN PREM INCOME MUN FD COM 67062T100 2,105 149,297 SH   DFND 0 149,297 0
NUVEEN PREM INCOME MUN FD 2 COM 67063W102 4,560 315,379 SH   DFND 0 315,379 0
NUVEEN PREMIER MUN INCOME FD COM 670988104 2,438 178,448 SH   DFND 0 178,448 0
NUVEEN QUALITY INCOME MUN FD COM 670977107 1,577 111,178 SH   DFND 0 111,178 0
NUVEEN QUALITY MUN FD INC COM 67062N103 1,591 116,610 SH   DFND 0 116,610 0
NUVEEN QUALITY PFD INC FD 3 COM 67072W101 135 15,870 SH   DFND 0 15,870 0
NUVEEN SHT DUR CR OPP FD COM 67074X107 5,372 362,205 SH   DFND 0 362,205 0
NUVEEN SR INCOME FD COM 67067Y104 6,661 1,154,492 SH   DFND 0 1,154,492 0
PCM FUND INC COM 69323T101 452 48,950 SH   DFND 0 48,950 0
PENN VA CORP COM 707882106 0 12,000 SH Call DFND 0 12,000 0
PERRIGO CO PLC SHS G97822103 6,077 42,000 SH   DFND 0 42,000 0
PFIZER INC COM 717081103 50 60,000 SH Call DFND 0 60,000 0
PFIZER INC COM 717081103 2,905 90,000 SH   DFND 0 90,000 0
PIMCO DYNAMIC CR INCOME FD COM SHS 72202D106 9,708 538,428 SH   DFND 0 538,428 0
PIMCO INCOME OPPORTUNITY FD COM 72202B100 1,211 57,200 SH   DFND 0 57,200 0
PIMCO INCOME STRATEGY FUND COM 72201H108 3,200 328,536 SH   DFND 0 328,536 0
PIMCO INCOME STRATEGY FUND I COM 72201J104 1,846 210,536 SH   DFND 0 210,536 0
PIONEER DIV HIGH INCOME TRUS COM 723653101 349 23,912 SH   DFND 0 23,912 0
PIONEER FLOATING RATE TR COM 72369J102 4,025 370,980 SH   DFND 0 370,980 0
POWERSHS DB MULTI SECT COMM PS DB AGRICUL FD 73936B408 742 36,000 SH   DFND 0 36,000 0
PRINCIPAL REAL ESTATE INCOME SHS BEN INT 74255X104 294 17,633 SH   DFND 0 17,633 0
PROTHENA CORP PLC SHS G72800108 1,233 18,104 SH   DFND 0 18,104 0
RADIO ONE INC CL D NON VTG 75040P405 120 69,481 SH   DFND 0 69,481 0
REAVES UTIL INCOME FD COM SH BEN INT 756158101 2,046 78,787 SH   DFND 0 78,787 0
REGENERON PHARMACEUTICALS COM 75886F107 4,098 7,548 SH   DFND 0 7,548 0
RELYPSA INC COM 759531106 425 15,000 SH   DFND 0 15,000 0
RMR REAL ESTATE INCOME FUND COM 76970B101 8,596 445,872 SH   DFND 0 445,872 0
SELECT SECTOR SPDR TR SBI MATERIALS 81369Y100 13 200,000 SH Call DFND 0 200,000 0
SELECT SECTOR SPDR TR SBI MATERIALS 81369Y100 24 300,000 SH Put DFND 0 300,000 0
SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 24,120 399,867 SH   DFND 0 399,867 0
SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 6 509,900 SH Call DFND 0 509,900 0
SELECT SECTOR SPDR TR SBI INT-ENERGY 81369Y506 3,047 556,900 SH Put DFND 0 556,900 0
SHIRE PLC SPONSORED ADR 82481R106 4,715 23,000 SH   DFND 0 23,000 0
SPARK THERAPEUTICS INC COM 84652J103 2,009 44,350 SH   DFND 0 44,350 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 1 12,000 SH Call DFND 0 12,000 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 441 282,000 SH Put DFND 0 282,000 0
SPDR SERIES TRUST BRC HGH YLD BD 78464A417 3 10,000 SH Put DFND 0 10,000 0
SPDR SERIES TRUST S&P OILGAS EXP 78464A730 2,121 70,200 SH   DFND 0 70,200 0
SPDR SERIES TRUST S&P OILGAS EXP 78464A730 1,244 70,200 SH Put DFND 0 70,200 0
SPDR SERIES TRUST S&P OILGAS EXP 78464A730 19 24,000 SH Call DFND 0 24,000 0
SPDR SERIES TRUST S&P HOMEBUILD 78464A888 2 200,000 SH Call DFND 0 200,000 0
SPDR SERIES TRUST S&P HOMEBUILD 78464A888 23 430,000 SH Put DFND 0 430,000 0
SPRINT CORP COM SER 1 85207U105 23 50,000 SH Put DFND 0 50,000 0
ST JUDE MED INC COM 790849103 618 10,000 SH   DFND 0 10,000 0
ST JUDE MED INC COM 790849103 1 20,000 SH Call DFND 0 20,000 0
SURGERY PARTNERS INC COM 86881A100 369 18,000 SH   DFND 0 18,000 0
SURGICAL CARE AFFILIATES INC COM 86881L106 1,314 33,000 SH   DFND 0 33,000 0
TEKLA WORLD HEALTHCARE FD BEN INT SHS 87911L108 510 32,244 SH   DFND 0 32,244 0
TENET HEALTHCARE CORP COM NEW 88033G407 2,597 85,700 SH   DFND 0 85,700 0
TESLA MTRS INC COM 88160R101 6 10,000 SH Put DFND 0 10,000 0
THERMO FISHER SCIENTIFIC INC COM 883556102 213 1,500 SH   DFND 0 1,500 0
THL CR SR LN FD COM 87244R103 1,283 80,870 SH   DFND 0 80,870 0
VERTEX PHARMACEUTICALS INC COM 92532F100 5,285 42,000 SH   DFND 0 42,000 0
WELLS FARGO INCOME OPPORTUNI COM SHS 94987B105 2,089 280,411 SH   DFND 0 280,411 0
WELLS FARGO MULTI SECTOR INC COM SHS 94987D101 826 72,992 SH   DFND 0 72,992 0
WESTERN ASSET CLYM INFL OPP COM 95766R104 1,561 151,708 SH   DFND 0 151,708 0
WESTERN ASSET CLYM INFL SEC COM SH BEN INT 95766Q106 3,654 345,695 SH   DFND 0 345,695 0
WESTERN ASSET HIGH INCM FD I COM 95766J102 1,443 228,729 SH   DFND 0 228,729 0
WESTERN ASSET HIGH INCM OPP COM 95766K109 1,042 222,094 SH   DFND 0 222,094 0
WISDOMTREE TR INDIA ERNGS FD 97717W422 631 250,000 SH Call DFND 0 250,000 0
WL ROSS HLDG CORP COM SHS 92939D104 686 68,892 SH   DFND 0 68,892 0
WL ROSS HLDG CORP *W EXP 06/11/201 92939D112 26 78,958 SH   DFND 0 78,958 0
WL ROSS HLDG CORP UNIT 06/11/2019 92939D203 260 25,400 SH   DFND 0 25,400 0
ZAIS FINL CORP COM 98886K108 761 50,468 SH   DFND 0 50,468 0