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 322 64,175 SH   DFND 0 64,175 0
ACADIA HEALTHCARE COMPANY IN COM 00404A109 1,014 18,300 SH   DFND 0 18,300 0
ACCELERON PHARMA INC COM 00434H108 941 27,700 SH   DFND 0 27,700 0
ADEPTUS HEALTH INC CL A 006855100 2,015 39,000 SH   DFND 0 39,000 0
ADVANCED MICRO DEVICES INC COM 007903107 73 647,900 SH Put DFND 0 647,900 0
ADVENT CLAY CONV SEC INC FD COM 007639107 600 108,706 SH   DFND 0 108,706 0
ADVENT CLAYMORE CV SECS & IN COM 00764C109 3,425 245,541 SH   DFND 0 245,541 0
ADVENT CLAYMORE ENH GRW & IN COM 00765E104 4,882 596,036 SH   DFND 0 596,036 0
AETNA INC NEW COM 00817Y108 2,076 17,000 SH   DFND 0 17,000 0
AGILENT TECHNOLOGIES INC COM 00846U101 994 22,400 SH   DFND 0 22,400 0
ALEXION PHARMACEUTICALS INC COM 015351109 6,305 54,000 SH   DFND 0 54,000 0
ALKERMES PLC SHS G01767105 1,102 25,500 SH   DFND 0 25,500 0
ALLERGAN PLC SHS G0177J108 4,899 21,200 SH   DFND 0 21,200 0
ALPS ETF TR ALERIAN MLP 00162Q866 5 100,000 SH Put DFND 0 100,000 0
AMERICAN CAP SR FLOATING LTD COM 02504D108 208 20,283 SH   DFND 0 20,283 0
AMSURG CORP COM 03232P405 543 7,000 SH   DFND 0 7,000 0
ANTERO RES CORP COM 03674X106 2,167 83,400 SH   DFND 0 83,400 0
APOLLO RESIDENTIAL MTG INC COM 03763V102 72 56,100 SH Call DFND 0 56,100 0
APOLLO SR FLOATING RATE FD I COM 037636107 5,610 355,087 SH   DFND 0 355,087 0
APOLLO TACTICAL INCOME FD IN COM 037638103 1,330 92,200 SH   DFND 0 92,200 0
ARBUTUS BIOPHARMA CORP COM 03879J100 313 89,800 SH   DFND 0 89,800 0
ARES DYNAMIC CR ALLOCATION F COM 04014F102 5,727 416,513 SH   DFND 0 416,513 0
ARIAD PHARMACEUTICALS INC COM 04033A100 1,249 169,000 SH   DFND 0 169,000 0
ASSURED GUARANTY LTD COM G0585R106 35 100,000 SH Put DFND 0 100,000 0
ASTRAZENECA PLC SPONSORED ADR 046353108 32 134,500 SH Put DFND 0 134,500 0
ASTRAZENECA PLC SPONSORED ADR 046353108 770 25,500 SH   DFND 0 25,500 0
AVENUE INCOME CR STRATEGIES COM 05358E106 1,209 100,907 SH   DFND 0 100,907 0
BARCLAYS BK PLC IPATH S&P500 VIX 06742E711 270 450,500 SH Put DFND 0 450,500 0
BIOGEN INC COM 09062X103 1,858 7,682 SH   DFND 0 7,682 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 5,981 76,872 SH   DFND 0 76,872 0
BLACKROCK FLOAT RATE OME STR COM 09255X100 2,823 214,675 SH   DFND 0 214,675 0
BLACKROCK MULTI-SECTOR INC T COM 09258A107 288 17,417 SH   DFND 0 17,417 0
BLACKROCK MUNI INTER DR FD I COM 09253X102 393 25,787 SH   DFND 0 25,787 0
BLACKSTONE GSO LNG SHRT CR I COM SHS BN INT 09257D102 5,123 354,512 SH   DFND 0 354,512 0
BLACKSTONE GSO STRATEGIC CR COM SHS BEN IN 09257R101 7,596 527,854 SH   DFND 0 527,854 0
BLUEBIRD BIO INC COM 09609G100 913 21,100 SH   DFND 0 21,100 0
BOULDER GROWTH & INCOME FD I COM 101507101 10,314 1,268,583 SH   DFND 0 1,268,583 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 1,393 19,800 SH   DFND 0 19,800 0
CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 304 28,669 SH   DFND 0 28,669 0
CALAMOS CONV OPP AND INC FD SH BEN INT 128117108 1,077 109,600 SH   DFND 0 109,600 0
CALAMOS GBL DYN INCOME FUND COM 12811L107 2,876 409,670 SH   DFND 0 409,670 0
CALAMOS GLOBAL TOTAL RETURN COM SH BEN INT 128118106 1,246 114,443 SH   DFND 0 114,443 0
CELGENE CORP COM 151020104 5,967 60,500 SH   DFND 0 60,500 0
CLEAR CHANNEL OUTDOOR HLDGS CL A 18451C109 892 143,430 SH   DFND 0 143,430 0
CLOUGH GLOBAL EQUITY FD COM 18914C100 408 38,119 SH   DFND 0 38,119 0
CLOUGH GLOBAL OPPORTUNITIES SH BEN INT 18914E106 1,909 204,629 SH   DFND 0 204,629 0
COMSTOCK RES INC COM NEW 205768203 237 282,492 SH   DFND 0 282,492 0
CROSSROADS CAP INC COM 227656105 112 54,278 SH   DFND 0 54,278 0
DEUTSCHE HIGH INCOME OPPORT COM 25158Y102 1,698 124,823 SH   DFND 0 124,823 0
DEUTSCHE MULTI-MKT INCOME TR SHS 25160E102 1,834 225,000 SH   DFND 0 225,000 0
DEUTSCHE STRATEGIC INCOME TR SHS 25160F109 454 39,526 SH   DFND 0 39,526 0
DIAGEO P L C SPON ADR NEW 25243Q205 9 55,000 SH Put DFND 0 55,000 0
DOUBLELINE INCOME SOLUTIONS COM 258622109 225 12,259 SH   DFND 0 12,259 0
EATON VANCE FLTG RATE INCOM COM SHS BEN INT 278284104 1,885 125,815 SH   DFND 0 125,815 0
EATON VANCE FLTING RATE INC COM 278279104 423 31,505 SH   DFND 0 31,505 0
EATON VANCE LTD DUR INCOME F COM 27828H105 328 24,410 SH   DFND 0 24,410 0
EATON VANCE SR FLTNG RTE TR COM 27828Q105 1,040 79,541 SH   DFND 0 79,541 0
EATON VANCE SR INCOME TR SH BEN INT 27826S103 4,989 830,039 SH   DFND 0 830,039 0
ENBRIDGE ENERGY PARTNERS L P COM 29250R106 1,431 61,700 SH   DFND 0 61,700 0
ENTERPRISE PRODS PARTNERS L COM 293792107 7,605 259,900 SH   DFND 0 259,900 0
ENVISION HEALTHCARE HLDGS IN COM 29413U103 926 36,500 SH   DFND 0 36,500 0
EQT MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 7,323 91,190 SH   DFND 0 91,190 0
EVERI HLDGS INC COM 30034T103 338 294,313 SH   DFND 0 294,313 0
FIDUCIARY CLAYMORE MLP OPP F COM 31647Q106 1,434 103,891 SH   DFND 0 103,891 0
FIFTH STR SR FLOATNG RATE CO COM 31679F101 2,038 255,986 SH   DFND 0 255,986 0
FIFTH STREET FINANCE CORP COM 31678A103 1,940 400,000 SH   DFND 0 400,000 0
FIRST TR STRATEGIC HIGH INC COM SHS NEW 337353304 1,131 94,542 SH   DFND 0 94,542 0
GILEAD SCIENCES INC COM 375558103 5,347 64,100 SH   DFND 0 64,100 0
GLAXOSMITHKLINE PLC SPONSORED ADR 37733W105 16 112,500 SH Put DFND 0 112,500 0
GLOBAL PARTNERS LP COM UNITS 37946R109 4 20,000 SH Call DFND 0 20,000 0
HALCON RES CORP COM PAR 40537Q506 9 20,000 SH   DFND 0 20,000 0
HCA HOLDINGS INC COM 40412C101 3,581 46,500 SH   DFND 0 46,500 0
INCYTE CORP COM 45337C102 3,543 44,300 SH   DFND 0 44,300 0
INVESCO DYNAMIC CR OPP FD COM 46132R104 12,919 1,172,288 SH   DFND 0 1,172,288 0
INVESCO SR INCOME TR COM 46131H107 3,446 824,372 SH   DFND 0 824,372 0
IRONWOOD PHARMACEUTICALS INC COM CL A 46333X108 503 38,500 SH   DFND 0 38,500 0
ISHARES MSCI GERMANY ETF 464286806 1 20,000 SH Put DFND 0 20,000 0
ISHARES MSCI GERMANY ETF 464286806 202 8,400 SH   DFND 0 8,400 0
ISHARES TR NASDQ BIOTEC ETF 464287556 721 2,800 SH   DFND 0 2,800 0
ISHARES TR NASDQ BIOTEC ETF 464287556 1,508 123,400 SH Put DFND 0 123,400 0
ISHARES TR RUSSELL 2000 ETF 464287655 10 25,000 SH Put DFND 0 25,000 0
ISHARES TR IBOXX HI YD ETF 464288513 40 72,400 SH Call DFND 0 72,400 0
ISHARES TR IBOXX HI YD ETF 464288513 1 20,000 SH Put DFND 0 20,000 0
JAZZ PHARMACEUTICALS PLC SHS USD G50871105 4,013 28,400 SH   DFND 0 28,400 0
JPMORGAN CHINA REGION FD INC COM 48126T104 735 48,364 SH   DFND 0 48,364 0
JUNO THERAPEUTICS INC COM 48205A109 680 17,700 SH   DFND 0 17,700 0
KINDER MORGAN INC DEL COM 49456B101 562 30,000 SH   DFND 0 30,000 0
KITE PHARMA INC COM 49803L109 465 9,300 SH   DFND 0 9,300 0
LIBERTY ALL STAR EQUITY FD SH BEN INT 530158104 2,368 471,748 SH   DFND 0 471,748 0
LMP CAP & INCOME FD INC COM 50208A102 1,200 91,388 SH   DFND 0 91,388 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 7,535 99,140 SH   DFND 0 99,140 0
MASIMO CORP COM 574795100 1,696 32,300 SH   DFND 0 32,300 0
MEDIVATION INC COM 58501N101 5,566 92,300 SH   DFND 0 92,300 0
MERRIMACK PHARMACEUTICALS IN COM 590328100 340 63,090 SH   DFND 0 63,090 0
MPLX LP COM UNIT REP LTD 55336V100 1,423 42,300 SH   DFND 0 42,300 0
NATERA INC COM 632307104 601 49,800 SH   DFND 0 49,800 0
NEUBERGER BERMAN RE ES SEC F COM 64190A103 6,332 1,114,804 SH   DFND 0 1,114,804 0
NEVRO CORP COM 64157F103 954 12,935 SH   DFND 0 12,935 0
NORTHSTAR ASSET MGMT GROUP I COM 66705Y104 1,123 110,000 SH   DFND 0 110,000 0
NORTHSTAR RLTY FIN CORP COM 66704R803 1,143 100,000 SH   DFND 0 100,000 0
NOVAVAX INC COM 670002104 154 21,200 SH   DFND 0 21,200 0
NUVEEN CR STRATEGIES INCM FD COM SHS 67073D102 13,678 1,692,794 SH   DFND 0 1,692,794 0
NUVEEN DIVERSIFIED COMMODTY COM UT BEN INT 67074P104 886 90,246 SH   DFND 0 90,246 0
NUVEEN FLOATING RATE INCOME COM 67072T108 1,607 155,373 SH   DFND 0 155,373 0
NUVEEN LG/SHT COMMODITY TOTR COM UT BEN INT 670731108 4,270 287,709 SH   DFND 0 287,709 0
NUVEEN SHT DUR CR OPP FD COM 67074X107 5,260 334,609 SH   DFND 0 334,609 0
NUVEEN SR INCOME FD COM 67067Y104 6,844 1,133,120 SH   DFND 0 1,133,120 0
ONEOK PARTNERS LP UNIT LTD PARTN 68268N103 1,406 35,100 SH   DFND 0 35,100 0
PFIZER INC COM 717081103 52 60,000 SH Call DFND 0 60,000 0
PIMCO DYNAMIC CR INCOME FD COM SHS 72202D106 340 17,755 SH   DFND 0 17,755 0
PIONEER FLOATING RATE TR COM 72369J102 3,630 322,069 SH   DFND 0 322,069 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 1,421 51,700 SH   DFND 0 51,700 0
PROTHENA CORP PLC SHS G72800108 1,157 33,104 SH   DFND 0 33,104 0
RADIO ONE INC CL D NON VTG 75040P405 222 69,481 SH   DFND 0 69,481 0
REGENERON PHARMACEUTICALS COM 75886F107 5,744 16,448 SH   DFND 0 16,448 0
RMR REAL ESTATE INCOME FUND COM 76970B101 9,163 427,970 SH   DFND 0 427,970 0
ROYAL DUTCH SHELL PLC SPONS ADR A 780259206 18 131,300 SH Put DFND 0 131,300 0
SHIRE PLC SPONSORED ADR 82481R106 6,506 35,343 SH   DFND 0 35,343 0
SPARK THERAPEUTICS INC COM 84652J103 1,030 20,150 SH   DFND 0 20,150 0
SPDR GOLD TRUST GOLD SHS 78463V107 7 20,000 SH Call DFND 0 20,000 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 40 25,000 SH Put DFND 0 25,000 0
SPDR SERIES TRUST BRC HGH YLD BD 78464A417 60 200,000 SH Call DFND 0 200,000 0
SPDR SERIES TRUST S&P OILGAS EXP 78464A730 12 11,000 SH Call DFND 0 11,000 0
SPDR SERIES TRUST S&P OILGAS EXP 78464A730 14 10,000 SH Put DFND 0 10,000 0
SPDR SERIES TRUST S&P BIOTECH 78464A870 992 378,500 SH Put DFND 0 378,500 0
SPDR SERIES TRUST S&P HOMEBUILD 78464A888 305 9,100 SH   DFND 0 9,100 0
SPECTRA ENERGY PARTNERS LP COM 84756N109 7,053 149,500 SH   DFND 0 149,500 0
SURGERY PARTNERS INC COM 86881A100 612 34,200 SH   DFND 0 34,200 0
TC PIPELINES LP UT COM LTD PRT 87233Q108 1,391 24,300 SH   DFND 0 24,300 0
TENET HEALTHCARE CORP COM NEW 88033G407 2,197 79,500 SH   DFND 0 79,500 0
THL CR SR LN FD COM 87244R103 1,420 88,290 SH   DFND 0 88,290 0
VIRTUS TOTAL RETURN FD COM 92829A103 1,199 258,395 SH   DFND 0 258,395 0
VODAFONE GROUP PLC NEW SPNSR ADR 92857W308 1,421 46,000 SH   DFND 0 46,000 0
VODAFONE GROUP PLC NEW SPNSR ADR 92857W308 65 152,500 SH Put DFND 0 152,500 0
VOYA PRIME RATE TR SH BEN INT 92913A100 1,556 303,885 SH   DFND 0 303,885 0
WESTERN ASSET CLYM INFL OPP COM 95766R104 1,475 132,785 SH   DFND 0 132,785 0
WESTERN ASSET CLYM INFL SEC COM SH BEN INT 95766Q106 1,693 147,462 SH   DFND 0 147,462 0
WESTERN ASSET CORPORATE LN F COM 95790J102 2,388 230,685 SH   DFND 0 230,685 0
WHITING PETE CORP NEW COM 966387102 12 20,000 SH Put DFND 0 20,000 0
ZAIS FINL CORP COM 98886K108 2,913 212,500 SH   DFND 0 212,500 0
ZWEIG FD COM NEW 989834205 288 22,884 SH   DFND 0 22,884 0