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 1,076 248,966 SH   DFND   248,966 0 0
ACTIVISION BLIZZARD INC COM 00507V109 1,633 21,400 SH Put DFND   21,400 0 0
ACTIVISION BLIZZARD INC COM 00507V109 290 3,800 SH   DFND   3,800 0 0
AGROFRESH SOLUTIONS *W EXP 07/31/202 00856G117 453 1,224,851 SH   DFND   1,224,851 0 0
AGROFRESH SOLUTIONS COM 00856G109 1,021 145,600 SH Put DFND   145,600 0 0
AKAMAI TECHNOLOGIES INC DBCV 2/1 00971TAG6 2,085 2,071,000 PRN   DFND   2,071,000 0 0
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 4,341 23,400 SH Put DFND   23,400 0 0
ALTA MESA RES INC CL A 02133L109 2,072 304,200 SH   DFND   304,200 0 0
ALTABA INC COM 021346101 2,196 30,000 SH Call DFND   30,000 0 0
ALTABA INC COM 021346101 3,553 48,530 SH   DFND   48,530 0 0
ALTERYX INC COM CL A 02156B103 3,033 79,480 SH   DFND   79,480 0 0
AMERICAN AIRLS GROUP INC COM 02376R102 2,088 55,000 SH Put DFND   55,000 0 0
AMERICAN AXLE & MFG HLDGS IN COM 024061103 389 25,000 SH   DFND   25,000 0 0
APPLE INC COM 037833100 8,330 45,000 SH Put DFND   45,000 0 0
APPLE INC COM 037833100 1,527 8,250 SH   DFND   8,250 0 0
ASA GOLD AND PRECIOUS MTLS L SHS G3156P103 672 65,882 SH   DFND   65,882 0 0
AVISTA HEALTHCARE PUB ACQ CO *W EXP 99/99/999 G0726L117 29 61,402 SH   DFND   61,402 0 0
BANK AMER CORP COM 060505104 10,430 370,000 SH Put DFND   370,000 0 0
BANK AMER CORP COM 060505104 7,386 262,000 SH   DFND   262,000 0 0
BARCLAYS BK PLC IPATH S&P MT ETN 06740Q260 296 15,436 SH   DFND   15,436 0 0
BIOTIME INC *W EXP 10/01/201 09066L162 20 327,433 SH   DFND   327,433 0 0
BLACKROCK CORPOR HI YLD FD I COM 09255P107 742 70,918 SH   DFND   70,918 0 0
BLACKROCK INVT QUALITY MUN T COM 09247D105 300 21,309 SH   DFND   21,309 0 0
BLACKROCK MUNI INTER DR FD I COM 09253X102 247 18,700 SH   DFND   18,700 0 0
BLINK CHARGING CO *W EXP 01/31/202 09354A118 285 173,000 SH   DFND   173,000 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 12,452 225,000 SH Put DFND   225,000 0 0
BRISTOL MYERS SQUIBB CO COM 110122108 3,033 54,800 SH   DFND   54,800 0 0
BROADCOM INC COM 11135F101 3,494 14,400 SH   DFND   14,400 0 0
CAMPBELL SOUP CO COM 134429109 422 10,400 SH   DFND   10,400 0 0
CHESAPEAKE ENERGY CORP NOTE 5.500% 9/1 165167CY1 3,570 3,500,000 PRN   DFND   3,500,000 0 0
CISCO SYS INC COM 17275R102 3,658 85,000 SH Call DFND   85,000 0 0
CISCO SYS INC COM 17275R102 861 20,000 SH Put DFND   20,000 0 0
CITIGROUP INC COM NEW 172967424 4,203 62,800 SH   DFND   62,800 0 0
CLEVELAND CLIFFS INC DBCV 1.500% 1/1 185899AA9 5,915 4,867,000 PRN   DFND   4,867,000 0 0
COCA COLA CO COM 191216100 329 7,500 SH   DFND   7,500 0 0
CONSTELLATION BRANDS INC CL A 21036P108 8,755 40,000 SH Call DFND   40,000 0 0
CONSTELLATION BRANDS INC CL A 21036P108 416 1,900 SH   DFND   1,900 0 0
CONSTELLIUM NV CL A N22035104 4,875 473,312 SH   DFND   473,312 0 0
CROWN HOLDINGS INC COM 228368106 8,903 198,900 SH   DFND   198,900 0 0
CTRIP COM INTL LTD AMERICAN DEP SHS 22943F100 2,382 50,000 SH Call DFND   50,000 0 0
CTRIP COM INTL LTD AMERICAN DEP SHS 22943F100 2,382 50,000 SH Put DFND   50,000 0 0
DEL TACO RESTAURANTS INC *W EXP 06/30/202 245496112 3,122 800,385 SH   DFND   800,385 0 0
DELL TECHNOLOGIES INC COM CL V 24703L103 2,034 24,051 SH   DFND   24,051 0 0
DELTA AIR LINES INC DEL COM NEW 247361702 731 14,750 SH   DFND   14,750 0 0
DEUTSCHE STRATEGIC MUN INCOM COM 25159F102 178 16,320 SH   DFND   16,320 0 0
DOMINION ENERGY INC COM 25746U109 4,786 70,200 SH Call DFND   70,200 0 0
DOMINION ENERGY INC UNIT 08/15/2019 25746U836 19,526 422,543 SH   DFND   422,543 0 0
DOWDUPONT INC COM 26078J100 4,997 75,800 SH   DFND   75,800 0 0
DTE ENERGY CO UNIT 99/99/9999 233331883 4,078 78,921 SH   DFND   78,921 0 0
EASTMAN KODAK CO *W EXP 09/03/201 277461133 8 206,675 SH   DFND   206,675 0 0
EASTMAN KODAK CO *W EXP 09/03/201 277461141 25 494,508 SH   DFND   494,508 0 0
EASTMAN KODAK CO COM NEW 277461406 95 25,000 SH Call DFND   25,000 0 0
ELECTRONIC ARTS INC COM 285512109 16,922 120,000 SH Call DFND   120,000 0 0
ELECTRONIC ARTS INC COM 285512109 7,051 50,000 SH Put DFND   50,000 0 0
ELECTRONIC ARTS INC COM 285512109 2,256 16,000 SH   DFND   16,000 0 0
EXTREME NETWORKS INC COM 30226D106 2,380 299,000 SH   DFND   299,000 0 0
EXXON MOBIL CORP COM 30231G102 5,708 69,000 SH Call DFND   69,000 0 0
EXXON MOBIL CORP COM 30231G102 3,723 45,000 SH Put DFND   45,000 0 0
FACEBOOK INC CL A 30303M102 7,773 40,000 SH Call DFND   40,000 0 0
FACEBOOK INC CL A 30303M102 8,744 45,000 SH Put DFND   45,000 0 0
FACEBOOK INC CL A 30303M102 836 4,300 SH   DFND   4,300 0 0
FEDEX CORP COM 31428X106 353 1,554 SH   DFND   1,554 0 0
FLEXION THERAPEUTICS INC COM 33938J106 2,420 93,626 SH   DFND   93,626 0 0
FREEPORT-MCMORAN INC CL B 35671D857 518 30,000 SH   DFND   30,000 0 0
GDS HLDGS LTD SPONSORED ADR 36165L108 3,007 75,000 SH Put DFND   75,000 0 0
GENERAL ELECTRIC CO COM 369604103 681 50,000 SH Call DFND   50,000 0 0
GENERAL MLS INC COM 370334104 332 7,500 SH   DFND   7,500 0 0
GENERAL MTRS CO *W EXP 07/10/201 37045V126 1,799 79,779 SH   DFND   79,779 0 0
GGP INC COM 36174X101 1,257 61,549 SH   DFND   61,549 0 0
GRAY TELEVISION INC COM 389375106 2,632 166,574 SH   DFND   166,574 0 0
HALCON RES CORP COM PAR NEW 40537Q605 4,861 1,107,327 SH   DFND   1,107,327 0 0
HERBALIFE NUTRITION LTD COM SHS G4412G101 4,169 77,600 SH Put DFND   77,600 0 0
HESS CORP COM 42809H107 1,271 19,000 SH Call DFND   19,000 0 0
HIGHLAND FLOATNG RATE OPPRT SHS BEN INT 43010E404 13,145 841,579 SH   DFND   841,579 0 0
HOSTESS BRANDS INC *W EXP 11/04/202 44109J114 1,228 722,179 SH   DFND   722,179 0 0
HUNTSMAN CORP COM 447011107 6,492 222,335 SH   DFND   222,335 0 0
ILG INC COM 44967H101 9,065 274,448 SH   DFND   274,448 0 0
INTERNATIONAL GAME TECHNOLOG SHS USD G4863A108 5,977 257,182 SH   DFND   257,182 0 0
INTL PAPER CO COM 460146103 521 10,000 SH   DFND   10,000 0 0
INVESCO CURNCYSHS JAPANESE Y JAPANESE YEN 46138W107 692 8,000 SH   DFND   8,000 0 0
INVESCO CURRENCYSHARES EURO EURO SHS 46138K103 109,998 981,600 SH Call DFND   981,600 0 0
INVESCO CURRENCYSHARES EURO EURO SHS 46138K103 78,588 701,300 SH Put DFND   701,300 0 0
INVESCO CURRENCYSHARES EURO EURO SHS 46138K103 33 297 SH   DFND   297 0 0
INVESCO DYNAMIC CR OPP FD COM 46132R104 992 85,365 SH   DFND   85,365 0 0
INVESCO MUN OPPORTUNITY TR COM 46132C107 303 25,800 SH   DFND   25,800 0 0
INVESCO SR INCOME TR COM 46131H107 1,606 375,296 SH   DFND   375,296 0 0
ISHARES INC MSCI BRAZIL ETF 464286400 1,282 40,000 SH Call DFND   40,000 0 0
ISHARES INC MSCI BRAZIL ETF 464286400 6,090 190,000 SH Put DFND   190,000 0 0
ISHARES INC MSCI BRAZIL ETF 464286400 3,269 102,000 SH   DFND   102,000 0 0
ISHARES INC MSCI STH AFR ETF 464286780 400 6,946 SH   DFND   6,946 0 0
ISHARES TR 20 YR TR BD ETF 464287432 34,082 280,000 SH Call DFND   280,000 0 0
ISHARES TR CHINA LG-CAP ETF 464287184 1,289 30,000 SH Call DFND   30,000 0 0
ISHARES TR CHINA LG-CAP ETF 464287184 17,188 400,000 SH Put DFND   400,000 0 0
ISHARES TR CHINA LG-CAP ETF 464287184 7,985 185,822 SH   DFND   185,822 0 0
ISHARES TR IBOXX HI YD ETF 464288513 5,956 70,000 SH Call DFND   70,000 0 0
ISHARES TR IBOXX HI YD ETF 464288513 218,145 2,564,000 SH Put DFND   2,564,000 0 0
ISHARES TR JPMORGAN USD EMG 464288281 57,159 535,350 SH   DFND   535,350 0 0
ISHARES TR MSCI ACWI ETF 464288257 711 10,000 SH   DFND   10,000 0 0
ISHARES TR MSCI EAFE ETF 464287465 10,046 150,000 SH Call DFND   150,000 0 0
ISHARES TR MSCI EAFE ETF 464287465 60,273 900,000 SH Put DFND   900,000 0 0
ISHARES TR MSCI EAFE ETF 464287465 10,112 151,000 SH   DFND   151,000 0 0
ISHARES TR MSCI EMG MKT ETF 464287234 31,848 735,000 SH Call DFND   735,000 0 0
ISHARES TR MSCI EMG MKT ETF 464287234 4,333 100,000 SH Put DFND   100,000 0 0
ISHARES TR MSCI EMG MKT ETF 464287234 71 1,643 SH   DFND   1,643 0 0
ISHARES TR USA MOMENTUM FCT 46432F396 991 9,030 SH   DFND   9,030 0 0
JAZZ PHARMACEUTICALS PLC SHS USD G50871105 3,256 18,900 SH Put DFND   18,900 0 0
KELLOGG CO COM 487836108 377 5,400 SH   DFND   5,400 0 0
KIMBERLY CLARK CORP COM 494368103 358 3,400 SH   DFND   3,400 0 0
KRAFT HEINZ CO COM 500754106 346 5,500 SH   DFND   5,500 0 0
LIBERTY MEDIA CORP DELAWARE COM C SIRIUSXM 531229607 1,422 31,350 SH   DFND   31,350 0 0
LINDBLAD EXPEDITIONS HLDGS I *W EXP 07/08/202 535219117 143 55,900 SH   DFND   55,900 0 0
MAIN STREET CAPITAL CORP COM 56035L104 1,903 50,000 SH Call DFND   50,000 0 0
MARATHON PETE CORP COM 56585A102 4,560 65,000 SH Call DFND   65,000 0 0
MICROSOFT CORP COM 594918104 7,396 75,000 SH Call DFND   75,000 0 0
MICROSOFT CORP COM 594918104 12,819 130,000 SH Put DFND   130,000 0 0
MICROSOFT CORP COM 594918104 7,445 75,500 SH   DFND   75,500 0 0
MOLSON COORS BREWING CO CL B 60871R209 388 5,700 SH   DFND   5,700 0 0
NEWELL BRANDS INC COM 651229106 1,339 51,900 SH Call DFND   51,900 0 0
NEXEO SOLUTIONS INC *W EXP 06/09/202 65342H110 525 920,084 SH   DFND   920,084 0 0
NEXEO SOLUTIONS INC COM SHS 65342H102 4,268 467,515 SH   DFND   467,515 0 0
NEXSTAR MEDIA GROUP INC CL A 65336K103 1,444 19,672 SH   DFND   19,672 0 0
NIKE INC CL B 654106103 2,988 37,500 SH Call DFND   37,500 0 0
NIKE INC CL B 654106103 1,594 20,000 SH Put DFND   20,000 0 0
NIKE INC CL B 654106103 1,275 16,000 SH   DFND   16,000 0 0
NOMAD FOODS LTD USD ORD SHS G6564A105 7,832 408,150 SH   DFND   408,150 0 0
NORFOLK SOUTHERN CORP COM 655844108 27,157 180,000 SH Call DFND   180,000 0 0
NORFOLK SOUTHERN CORP COM 655844108 3,017 20,000 SH Put DFND   20,000 0 0
NORFOLK SOUTHERN CORP COM 655844108 5,673 37,600 SH   DFND   37,600 0 0
NUANCE COMMUNICATIONS INC COM 67020Y100 5,937 427,563 SH   DFND   427,563 0 0
NUVEEN AMT FREE QLTY MUN INC COM 670657105 881 67,679 SH   DFND   67,679 0 0
NUVEEN CA QUALTY MUN INCOME COM 67066Y105 531 39,743 SH   DFND   39,743 0 0
NUVEEN CR STRATEGIES INCM FD COM SHS 67073D102 1,175 147,767 SH   DFND   147,767 0 0
NUVEEN NEW YORK AMT QLT MUNI COM 670656107 332 27,153 SH   DFND   27,153 0 0
NUVEEN QUALITY MUNCP INCOME COM 67066V101 373 28,073 SH   DFND   28,073 0 0
NXP SEMICONDUCTORS N V COM N6596X109 10,225 93,574 SH   DFND   93,574 0 0
ORACLE CORP COM 68389X105 6,822 154,833 SH   DFND   154,833 0 0
PAYLOCITY HLDG CORP COM 70438V106 2,354 40,000 SH Call DFND   40,000 0 0
PERSPECTA INC COM 715347100 2,963 144,200 SH   DFND   144,200 0 0
PGIM SHORT DURATION HIGH YIE COM 69346H100 1,507 107,660 SH   DFND   107,660 0 0
PHILIP MORRIS INTL INC COM 718172109 355 4,400 SH   DFND   4,400 0 0
PLATFORM SPECIALTY PRODS COR COM 72766Q105 2,439 210,300 SH   DFND   210,300 0 0
PROCTER AND GAMBLE CO COM 742718109 367 4,700 SH   DFND   4,700 0 0
PROSHARES TR II SHT VIX ST TRM 74347W627 370 29,106 SH   DFND   29,106 0 0
PUTNAM MUN OPPORTUNITIES TR SH BEN INT 746922103 294 25,188 SH   DFND   25,188 0 0
REALPAGE INC COM 75606N109 3,626 65,799 SH   DFND   65,799 0 0
REALPAGE INC NOTE 1.500%11/1 75606NAB5 981 690,000 PRN   DFND   690,000 0 0
ROSEHILL RES INC *W EXP 09/16/202 777385113 155 129,000 SH   DFND   129,000 0 0
ROYAL DUTCH SHELL PLC SPONS ADR A 780259206 857 12,375 SH   DFND   12,375 0 0
SCHLUMBERGER LTD COM 806857108 3,351 50,000 SH Call DFND   50,000 0 0
SELECT SECTOR SPDR TR ENERGY 81369Y506 3,303 43,500 SH Put DFND   43,500 0 0
SELECT SECTOR SPDR TR ENERGY 81369Y506 1,063 14,000 SH   DFND   14,000 0 0
SELECT SECTOR SPDR TR SBI CONS STPLS 81369Y308 1,031 20,000 SH Call DFND   20,000 0 0
SELECT SECTOR SPDR TR SBI CONS STPLS 81369Y308 3,607 70,000 SH Put DFND   70,000 0 0
SELECT SECTOR SPDR TR SBI CONS STPLS 81369Y308 2,319 45,000 SH   DFND   45,000 0 0
SELECT SECTOR SPDR TR SBI HEALTHCARE 81369Y209 2,253 27,000 SH Put DFND   27,000 0 0
SELECT SECTOR SPDR TR SBI INT-UTILS 81369Y886 5,196 100,000 SH Put DFND   100,000 0 0
SELECT SECTOR SPDR TR SBI INT-UTILS 81369Y886 1,611 31,000 SH   DFND   31,000 0 0
SEMPRA ENERGY 6% PFD CONV A 816851406 1,032 10,000 SH   DFND   10,000 0 0
SHIRE PLC SPONSORED ADR 82481R106 425 2,520 SH   DFND   2,520 0 0
SIMPLY GOOD FOODS CO *W EXP 07/07/202 82900L110 2,073 499,425 SH   DFND   499,425 0 0
SINA CORP ORD G81477104 434 5,130 SH   DFND   5,130 0 0
SIRIUS XM HLDGS INC COM 82968B103 1,942 286,800 SH Put DFND   286,800 0 0
SPDR GOLD TRUST GOLD SHS 78463V107 7,594 64,000 SH Call DFND   64,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 341,080 1,257,300 SH Call DFND   1,257,300 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 115,837 427,000 SH Put DFND   427,000 0 0
SPDR S&P 500 ETF TR TR UNIT 78462F103 5,236 19,301 SH   DFND   19,301 0 0
SPDR S&P MIDCAP 400 ETF TR UTSER1 S&PDCRP 78467Y107 9,603 27,049 SH   DFND   27,049 0 0
SPDR SERIES TRUST S&P BIOTECH 78464A870 2,380 25,000 SH Call DFND   25,000 0 0
SPDR SERIES TRUST S&P BIOTECH 78464A870 4,760 50,000 SH Put DFND   50,000 0 0
SPDR SERIES TRUST S&P OILGAS EXP 78464A730 2,153 50,000 SH Put DFND   50,000 0 0
SPDR SERIES TRUST S&P OILGAS EXP 78464A730 448 10,400 SH   DFND   10,400 0 0
STELLAR ACQUISITION III INC *W EXP 03/22/202 Y8172W115 20 78,069 SH   DFND   78,069 0 0
TAPESTRY INC COM 876030107 565 12,100 SH Call DFND   12,100 0 0
TEMPUR SEALY INTL INC COM 88023U101 2,403 50,000 SH Put DFND   50,000 0 0
TEMPUR SEALY INTL INC COM 88023U101 1,538 32,000 SH   DFND   32,000 0 0
TOLL BROTHERS INC COM 889478103 2,774 75,000 SH Put DFND   75,000 0 0
TOLL BROTHERS INC COM 889478103 129 3,500 SH   DFND   3,500 0 0
TOTAL S A SPONSORED ADR 89151E109 3,028 50,000 SH Call DFND   50,000 0 0
TRIBUNE MEDIA CO CL A 896047503 716 18,715 SH   DFND   18,715 0 0
TURQUOISE HILL RES LTD COM 900435108 1,207 425,000 SH Put DFND   425,000 0 0
TURQUOISE HILL RES LTD COM 900435108 880 310,000 SH   DFND   310,000 0 0
TYSON FOODS INC CL A 902494103 310 4,500 SH   DFND   4,500 0 0
UBS AG LONDON BRH ETRACS MTH 2XLV 90270L842 1,520 98,250 SH   DFND   98,250 0 0
UNILEVER N V N Y SHS NEW 904784709 719 12,900 SH   DFND   12,900 0 0
UNION PAC CORP COM 907818108 8,642 61,000 SH Call DFND   61,000 0 0
UNITED PARCEL SERVICE INC CL B 911312106 1,062 10,000 SH Put DFND   10,000 0 0
UNITED PARCEL SERVICE INC CL B 911312106 690 6,500 SH   DFND   6,500 0 0
US FOODS HLDG CORP COM 912008109 6,770 179,000 SH   DFND   179,000 0 0
VANECK VECTORS ETF TR GOLD MINERS ETF 92189F106 1,785 80,000 SH Call DFND   80,000 0 0
VANECK VECTORS ETF TR GOLD MINERS ETF 92189F106 2,760 123,715 SH   DFND   123,715 0 0
VANECK VECTORS ETF TR JR GOLD MINERS E 92189F791 2,453 75,000 SH Put DFND   75,000 0 0
VANECK VECTORS ETF TR RUSSIA ETF 92189F403 1,062 50,000 SH Put DFND   50,000 0 0
VANECK VECTORS ETF TR RUSSIA ETF 92189F403 616 29,000 SH   DFND   29,000 0 0
VISTRA ENERGY CORP COM 92840M102 319 13,500 SH Put DFND   13,500 0 0
VISTRA ENERGY CORP UNIT 02/02/2024 92840M300 9,981 105,447 SH   DFND   105,447 0 0
VOYA PRIME RATE TR SH BEN INT 92913A100 1,518 301,732 SH   DFND   301,732 0 0
WALGREENS BOOTS ALLIANCE INC COM 931427108 336 5,600 SH   DFND   5,600 0 0
WALMART INC COM 931142103 334 3,900 SH   DFND   3,900 0 0
WEIBO CORP SPONSORED ADR 948596101 612 6,900 SH Call DFND   6,900 0 0
WESTERN ASSET GLB HI INCOME COM 95766B109 323 35,447 SH   DFND   35,447 0 0
WESTERN ASSET HIGH INCM OPP COM 95766K109 763 158,310 SH   DFND   158,310 0 0
WILLSCOT CORP *W EXP 09/10/202 971375118 645 285,341 SH   DFND   285,341 0 0
WRIGHT MED GROUP N V ORD SHS 0.03 PAR N96617118 3,549 136,705 SH   DFND   136,705 0 0
XL GROUP LTD COM G98294104 1,027 18,356 SH   DFND   18,356 0 0
XPO LOGISTICS INC COM 983793100 3,882 38,753 SH   DFND   38,753 0 0
ZIONS BANCORPORATION *W EXP 05/22/202 989701115 10,954 539,614 SH   DFND   539,614 0 0
ZIONS BANCORPORATION COM 989701107 9,295 176,400 SH Call DFND   176,400 0 0
ZYNGA INC CL A 98986T108 3,573 877,900 SH   DFND   877,900 0 0