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 GLOBAL DYNAMIC DIVI COM 00302M106 149 17,500 SH   DFND   17,500 0 0
ABERDEEN INCOME CR STRATEGIE COM 003057106 124 11,867 SH   DFND   11,867 0 0
ABERDEEN TOTAL DYNAMIC DIVD COM SH BEN INT 00326L100 464 64,391 SH   DFND   64,391 0 0
ACORDA THERAPEUTICS INC NOTE 1.750% 6/1 00484MAA4 16,918 20,325,000 PRN   DFND   20,325,000 0 0
ADAM NAT RES FD INC COM 00548F105 507 34,818 SH   DFND   34,818 0 0
ADVANCED MICRO DEVICES INC NOTE 2.125% 9/0 007903BD8 207,356 85,200,000 PRN   DFND   85,200,000 0 0
ADVENT CLAYMORE CV SECS & IN COM 00764C109 396 31,590 SH   DFND   31,590 0 0
AEROJET ROCKETDYNE HLDGS INC NOTE 2.250%12/1 007800AB1 35,696 24,250,000 PRN   DFND   24,250,000 0 0
AKAMAI TECHNOLOGIES INC DBCV 2/1 00971TAG6 9,963 10,000,000 PRN   DFND   10,000,000 0 0
AKORN INC COM 009728106 1,385 408,656 SH   DFND   408,656 0 0
ALLEGHENY TECHNOLOGIES INC NOTE 4.750% 7/0 01741RAG7 57,125 33,950,000 PRN   DFND   33,950,000 0 0
ALLEGRO MERGER CORP *W EXP 01/06/202 01749N111 270 900,000 SH   DFND   900,000 0 0
ALLEGRO MERGER CORP COM 01749N103 7,313 750,000 SH   DFND   750,000 0 0
ALLEGRO MERGER CORP RIGHT 12/31/2023 01749N129 261 900,000 SH   DFND   900,000 0 0
ALLIANCE CALIF MUN INCOME FD COM 018546101 259 18,969 SH   DFND   18,969 0 0
ALLIANCEBERNSTEIN GBL HGH IN COM 01879R106 603 57,266 SH   DFND   57,266 0 0
ALLIANCEBERNSTEIN NATL MUNI COM 01864U106 877 72,280 SH   DFND   72,280 0 0
ALLIANZGI NFJ DIVID INT & PR COM 01883A107 463 43,391 SH   DFND   43,391 0 0
ALTA MESA RES INC *W EXP 03/28/202 02133L117 26 308,333 SH   DFND   308,333 0 0
ALTABA INC COM 021346101 144,169 2,488,238 SH   DFND   2,488,238 0 0
ALTICE USA INC CL A 02156K103 15,038 910,298 SH   DFND   910,298 0 0
AMAG PHARMACEUTICALS INC NOTE 3.250% 6/0 00163UAD8 30,227 32,975,000 PRN   DFND   32,975,000 0 0
AMCI ACQUISITION CORP UNIT 01/07/2019 00165R200 22,885 2,300,000 SH   DFND   2,300,000 0 0
AMERIGAS PARTNERS L P UNIT L P INT 030975106 351 13,864 SH   DFND   13,864 0 0
AMYRIS INC NOTE 9.500% 4/1 03236MAF8 9,656 9,626,000 PRN   DFND   9,626,000 0 0
ANDEAVOR LOGISTICS LP COM UNIT LP INT 03350F106 491 15,100 SH   DFND   15,100 0 0
ANTERO MIDSTREAM GP LP COM SHS REPSTG 03675Y103 364 32,600 SH   DFND   32,600 0 0
ANTHEM INC NOTE 2.750%10/1 94973VBG1 147,203 40,654,000 PRN   DFND   40,654,000 0 0
APERGY CORP COM 03755L104 12,326 455,155 SH   DFND   455,155 0 0
APOLLO COML REAL EST FIN INC NOTE 4.750% 8/2 03762UAB1 10,585 11,275,000 PRN   DFND   11,275,000 0 0
APOLLO COML REAL EST FIN INC NOTE 5.375%10/1 03762UAC9 18,173 18,875,000 PRN   DFND   18,875,000 0 0
APOLLO SR FLOATING RATE FD I COM 037636107 341 23,664 SH   DFND   23,664 0 0
APOLLO TACTICAL INCOME FD IN COM 037638103 287 20,833 SH   DFND   20,833 0 0
APPTIO INC CL A 03835C108 45,850 1,207,846 SH   DFND   1,207,846 0 0
ARCOSA INC COM 039653100 10,212 368,787 SH   DFND   368,787 0 0
ARES DYNAMIC CR ALLOCATION F COM 04014F102 408 29,599 SH   DFND   29,599 0 0
ARRIS INTL INC SHS G0551A103 155,766 5,095,389 SH   DFND   5,095,389 0 0
ARYA SCIENCES ACQUISITION CO *W EXP 10/10/202 G3165V125 80 50,000 SH   DFND   50,000 0 0
ARYA SCIENCES ACQUISITION CO SHS CL A G3165V109 980 100,000 SH   DFND   100,000 0 0
ASPEN INSURANCE HOLDINGS LTD SHS G05384105 105,065 2,502,153 SH   DFND   2,502,153 0 0
ASSURANT INC 6.50% CONV PFD D 04621X207 6,104 62,125 SH   DFND   62,125 0 0
AT&T INC COM 00206R102 1,986 69,601 SH   DFND   69,601 0 0
ATHENAHEALTH INC COM 04685W103 112,850 855,380 SH   DFND   855,380 0 0
ATLANTICUS HLDGS CORP COM 04914Y102 697 191,430 SH   DFND   191,430 0 0
ATLAS AIR WORLDWIDE HLDGS IN NOTE 1.875% 6/0 049164BJ4 30,131 31,525,000 PRN   DFND   31,525,000 0 0
AVISTA CORP COM 05379B107 119,639 2,816,358 SH   DFND   2,816,358 0 0
BARINGS GLOBAL SHORT DURATIO COM 06760L100 295 18,497 SH   DFND   18,497 0 0
BELMOND LTD CL A G1154H107 79,163 3,162,731 SH   DFND   3,162,731 0 0
BEMIS INC COM 081437105 11,333 246,917 SH   DFND   246,917 0 0
BENEFICIAL BANCORP INC COM 08171T102 12,080 845,356 SH   DFND   845,356 0 0
BIG ROCK PARTNERS ACQUISI CO *W EXP 12/01/202 089482111 38 100,000 SH   DFND   100,000 0 0
BIG ROCK PARTNERS ACQUISI CO COM 089482103 2,000 200,000 SH   DFND   200,000 0 0
BIG ROCK PARTNERS ACQUISI CO RIGHT 12/01/2022 089482129 72 200,000 SH   DFND   200,000 0 0
BIOMARIN PHARMACEUTICAL INC COM 09061G101 9,756 114,571 SH   DFND   114,571 0 0
BISON CAP ACQUISITION CORP *W EXP 06/20/202 G1142P112 18 75,000 SH   DFND   75,000 0 0
BISON CAP ACQUISITION CORP RIGHT 03/20/2019 G1142P138 42 150,000 SH   DFND   150,000 0 0
BLACK KNIGHT INC COM 09215C105 11,368 252,288 SH   DFND   252,288 0 0
BLACK RIDGE ACQUISITION CORP *W EXP 07/10/202 09216T115 63 210,000 SH   DFND   210,000 0 0
BLACK RIDGE ACQUISITION CORP COM 09216T107 2,108 210,000 SH   DFND   210,000 0 0
BLACK RIDGE ACQUISITION CORP RIGHT 07/10/2019 09216T123 82 210,000 SH   DFND   210,000 0 0
BLACKROCK CALIF MUN INCOME T SH BEN INT 09248E102 1,167 97,494 SH   DFND   97,494 0 0
BLACKROCK CORPOR HI YLD FD I COM 09255P107 527 56,755 SH   DFND   56,755 0 0
BLACKROCK CR ALLCTN INC TR COM 092508100 581 51,939 SH   DFND   51,939 0 0
BLACKROCK DEBT STRAT FD INC COM NEW 09255R202 471 48,221 SH   DFND   48,221 0 0
BLACKROCK ENERGY & RES TR COM 09250U101 169 16,186 SH   DFND   16,186 0 0
BLACKROCK ENHANCED EQT DIV T COM 09251A104 396 50,988 SH   DFND   50,988 0 0
BLACKROCK ENHANCED GBL DIV T COM 092501105 513 54,753 SH   DFND   54,753 0 0
BLACKROCK ENHANCED INTL DIV COM BENE INTER 092524107 326 65,376 SH   DFND   65,376 0 0
BLACKROCK FLOAT RATE OME STR COM 09255X100 472 39,629 SH   DFND   39,629 0 0
BLACKROCK FLOATING RATE INCO COM 091941104 281 24,337 SH   DFND   24,337 0 0
BLACKROCK INVT QUALITY MUN T COM 09247D105 524 39,699 SH   DFND   39,699 0 0
BLACKROCK LTD DURATION INC T COM SHS 09249W101 427 31,935 SH   DFND   31,935 0 0
BLACKROCK MULTI-SECTOR INC T COM 09258A107 426 27,727 SH   DFND   27,727 0 0
BLACKROCK MUN 2030 TAR TERM COM SHS BEN IN 09257P105 1,316 64,165 SH   DFND   64,165 0 0
BLACKROCK MUN INCOME TR SH BEN INT 09248F109 246 20,215 SH   DFND   20,215 0 0
BLACKROCK MUNI INCOME INV QL COM 09250G102 168 12,844 SH   DFND   12,844 0 0
BLACKROCK MUNI INCOME TR II COM 09249N101 592 45,845 SH   DFND   45,845 0 0
BLACKROCK MUNI INTER DR FD I COM 09253X102 1,157 91,454 SH   DFND   91,454 0 0
BLACKROCK MUNICIPAL BOND TR COM 09249H104 330 24,678 SH   DFND   24,678 0 0
BLACKROCK MUNICIPL INC QLTY COM 092479104 804 64,384 SH   DFND   64,384 0 0
BLACKROCK MUNIENHANCED FD IN COM 09253Y100 773 78,131 SH   DFND   78,131 0 0
BLACKROCK MUNIHLDGS FD II IN COM 09253P109 355 27,377 SH   DFND   27,377 0 0
BLACKROCK MUNIHLDGS NJ QLTY COM 09254X101 912 72,493 SH   DFND   72,493 0 0
BLACKROCK MUNIHLDGS NY QLTY COM 09255C106 987 82,388 SH   DFND   82,388 0 0
BLACKROCK MUNIHLDNGS CALI QL COM 09254L107 1,082 87,754 SH   DFND   87,754 0 0
BLACKROCK MUNIHLDNGS QLTY II COM 09254C107 531 46,278 SH   DFND   46,278 0 0
BLACKROCK MUNIHLDS INVSTM QL COM 09254P108 1,069 83,928 SH   DFND   83,928 0 0
BLACKROCK MUNIHOLDNGS QLTY I COM 09254A101 372 32,865 SH   DFND   32,865 0 0
BLACKROCK MUNIY QUALITY FD I COM 09254G108 581 50,864 SH   DFND   50,864 0 0
BLACKROCK MUNIYIELD CALI QLT COM 09254N103 1,088 86,094 SH   DFND   86,094 0 0
BLACKROCK MUNIYIELD CALIF FD COM 09254M105 850 65,803 SH   DFND   65,803 0 0
BLACKROCK MUNIYIELD N J FD I COM 09254Y109 889 68,652 SH   DFND   68,652 0 0
BLACKROCK MUNIYIELD NY QLTY COM 09255E102 1,178 102,289 SH   DFND   102,289 0 0
BLACKROCK MUNIYIELD PA QLTY COM 09255G107 487 38,842 SH   DFND   38,842 0 0
BLACKROCK MUNIYIELD QLTY FD COM 09254E103 1,211 100,475 SH   DFND   100,475 0 0
BLACKROCK MUNIYIELD QUALITY COM 09254F100 892 68,746 SH   DFND   68,746 0 0
BLACKROCK MUNIYLD MICH QLTY COM 09254V105 844 67,970 SH   DFND   67,970 0 0
BLACKROCK N Y MUN INCOME TR SH BEN INT 09248L106 404 33,029 SH   DFND   33,029 0 0
BLACKROCK RES & COMM STRAT T SHS 09257A108 408 57,744 SH   DFND   57,744 0 0
BLACKSTONE GSO LNG SHRT CR I COM SHS BN INT 09257D102 142 10,310 SH   DFND   10,310 0 0
BLACKSTONE GSO STRATEGIC CR COM SHS BEN IN 09257R101 360 26,702 SH   DFND   26,702 0 0
BLACKSTONE MTG TR INC NOTE 4.375% 5/0 09257WAB6 11,150 11,400,000 PRN   DFND   11,400,000 0 0
BLACKSTONE MTG TR INC NOTE 4.750% 3/1 09257WAC4 18,022 18,450,000 PRN   DFND   18,450,000 0 0
BLUE HILLS BANCORP INC COM 095573101 9,952 466,340 SH   DFND   466,340 0 0
BOOKING HLDGS INC COM 09857L108 3,817 2,216 SH   DFND   2,216 0 0
BOULDER GROWTH & INCOME FD I COM 101507101 123 11,830 SH   DFND   11,830 0 0
BOXWOOD MERGER CORP UNIT 11/26/2025 10319T200 24,825 2,500,000 SH   DFND   2,500,000 0 0
BP MIDSTREAM PARTNERS LP UNIT LTD PTNR 0556EL109 272 17,500 SH   DFND   17,500 0 0
BRIGHTHOUSE FINL INC COM 10922N103 8,992 295,024 SH   DFND   295,024 0 0
BROOKFIELD GLOBL LISTED INFR COM SHS 11273Q109 228 22,507 SH   DFND   22,507 0 0
BROOKFIELD REAL ASSETS INCOM SHS BEN INT 112830104 461 24,171 SH   DFND   24,171 0 0
BUCKEYE PARTNERS L P UNIT LTD PARTN 118230101 400 13,800 SH   DFND   13,800 0 0
CAESARS ENTMT CORP NOTE 5.000%10/0 127686AA1 55,068 44,275,000 PRN   DFND   44,275,000 0 0
CALAMOS CONV & HIGH INCOME F COM SHS 12811P108 172 18,310 SH   DFND   18,310 0 0
CALAMOS CONV OPP AND INC FD SH BEN INT 128117108 261 29,464 SH   DFND   29,464 0 0
CALAMOS GBL DYN INCOME FUND COM 12811L107 91 13,820 SH   DFND   13,820 0 0
CAPITOL INVT CORP IV *W EXP 01/01/202 G18920127 83 83,333 SH   DFND   83,333 0 0
CARBONITE INC NOTE 2.500% 4/0 141337AB1 2,388 2,000,000 PRN   DFND   2,000,000 0 0
CARS COM INC COM 14575E105 5,872 273,103 SH   DFND   273,103 0 0
CBRE CLARION GLOBAL REAL EST COM 12504G100 499 80,943 SH   DFND   80,943 0 0
CENTERPOINT ENERGY INC DEP RP PFD CV B 15189T503 16,720 331,450 SH   DFND   331,450 0 0
CF FIN ACQUISITION CORP UNIT 04/30/2025 12528N206 20,000 2,000,000 SH   DFND   2,000,000 0 0
CHASERG TECHNLGY ACQUISITN C *W EXP 04/10/202 16166A111 592 810,000 SH   DFND   810,000 0 0
CHASERG TECHNLGY ACQUISITN C CLASS A 16166A103 13,939 1,440,000 SH   DFND   1,440,000 0 0
CHENIERE ENERGY PARTNERS LP COM UNIT 16411Q101 786 21,785 SH   DFND   21,785 0 0
CHESAPEAKE ENERGY CORP NOTE 5.500% 9/1 165167CY1 54,759 67,825,000 PRN   DFND   67,825,000 0 0
CHURCHILL CAP CORP *W EXP 09/11/202 17142R111 607 697,500 SH   DFND   697,500 0 0
CHURCHILL CAP CORP COM CL A 17142R103 12,415 1,300,000 SH   DFND   1,300,000 0 0
CIGNA CORP NEW COM 125523100 862 4,541 SH   DFND   4,541 0 0
CITRIX SYS INC NOTE 0.500% 4/1 177376AD2 6,578 4,625,000 PRN   DFND   4,625,000 0 0
CLEVELAND CLIFFS INC DBCV 1.500% 1/1 185899AA9 36,910 33,075,000 PRN   DFND   33,075,000 0 0
CLOUGH GLOBAL OPPORTUNITIES SH BEN INT 18914E106 143 17,321 SH   DFND   17,321 0 0
CLOVIS ONCOLOGY INC NOTE 1.250% 5/0 189464AC4 5,184 7,375,000 PRN   DFND   7,375,000 0 0
CM SEVEN STAR ACQUISITION CO RIGHT 08/21/2022 G2345N136 300 750,000 SH   DFND   750,000 0 0
CM SEVEN STAR ACQUISITION CO SHS G2345N102 3,914 387,500 SH   DFND   387,500 0 0
CNX MIDSTREAM PARTNERS LP COM UNIT REPST 12654A101 560 34,400 SH   DFND   34,400 0 0
COHEN & STEERS GLOBAL INC BL COM 19248M103 118 15,880 SH   DFND   15,880 0 0
COHEN & STEERS INFRASTRUCTUR COM 19248A109 325 16,464 SH   DFND   16,464 0 0
COHEN & STEERS QUALITY RLTY COM 19247L106 452 43,608 SH   DFND   43,608 0 0
COHEN & STEERS REIT & PFD IN COM 19247X100 415 23,338 SH   DFND   23,338 0 0
COLLIER CREEK HOLDINGS *W EXP 99/99/999 G22707114 140 116,666 SH   DFND   116,666 0 0
COLLIER CREEK HOLDINGS COM CL A G22707106 3,374 349,998 SH   DFND   349,998 0 0
COMMUNITY HEALTH SYS INC NEW RIGHT 12/31/2019 203668116 8 9,282,097 SH   DFND   9,282,097 0 0
COMPUCREDIT HLDGS CORP NOTE 5.875%11/3 20478NAD2 2,775 5,000,000 PRN   DFND   5,000,000 0 0
CONCRETE PUMPING HLDGS INC *W EXP 08/01/202 206704116 390 500,000 SH   DFND   500,000 0 0
CONDUENT INC COM 206787103 9,936 934,760 SH   DFND   934,760 0 0
CONNECTICUT WTR SVC INC COM 207797101 14,501 216,851 SH   DFND   216,851 0 0
CONSTELLATION ALPHA CAP CORP *W EXP 03/23/202 G2379F116 74 700,000 SH   DFND   700,000 0 0
CONSTELLATION ALPHA CAP CORP RIGHT 99/99/9999 G2379F132 133 700,000 SH   DFND   700,000 0 0
CONSTELLATION ALPHA CAP CORP SHS G2379F108 3,572 349,500 SH   DFND   349,500 0 0
CORENERGY INFRASTRUCTURE TR NOTE 7.000% 6/1 21870UAA4 1,582 1,500,000 PRN   DFND   1,500,000 0 0
COREPOINT LODGING INC COM 21872L104 149 12,125 SH   DFND   12,125 0 0
CRESTWOOD EQUITY PARTNERS LP UNIT LTD PARTNER 226344208 780 27,936 SH   DFND   27,936 0 0
CVS HEALTH CORP COM 126650100 399 6,084 SH   DFND   6,084 0 0
DASEKE INC *W EXP 02/27/202 23753F115 60 378,003 SH   DFND   378,003 0 0
DCP MIDSTREAM LP COM UT LTD PTN 23311P100 547 20,646 SH   DFND   20,646 0 0
DELAWARE ENHANCED GBL DIV & COM 246060107 141 16,248 SH   DFND   16,248 0 0
DELAWARE INV MN MUN INC FD I COM 24610V103 434 36,598 SH   DFND   36,598 0 0
DELL TECHNOLOGIES INC CL C 24703L202 1,867 38,200 SH   DFND   38,200 0 0
DELPHI TECHNOLOGIES PLC SHS G2709G107 6,038 421,616 SH   DFND   421,616 0 0
DFB HEALTHCARE ACQUISTION CO *W EXP 04/11/202 23291E117 738 599,999 SH   DFND   599,999 0 0
DFB HEALTHCARE ACQUISTION CO COM 23291E109 7,207 749,999 SH   DFND   749,999 0 0
DISCOVERY INC COM SER C 25470F302 651 28,190 SH   DFND   28,190 0 0
DIVIDEND & INCOME FUND COM NEW 25538A204 447 46,948 SH   DFND   46,948 0 0
DREYFUS MUN BD INFRSTRCTR FD SHS 26203D101 314 26,442 SH   DFND   26,442 0 0
DREYFUS MUN INCOME INC COM 26201R102 301 39,490 SH   DFND   39,490 0 0
DREYFUS STRATEGIC MUN BD FD COM 26202F107 657 94,169 SH   DFND   94,169 0 0
DREYFUS STRATEGIC MUNS INC COM 261932107 816 113,706 SH   DFND   113,706 0 0
DTF TAX-FREE INCOME INC COM 23334J107 361 29,138 SH   DFND   29,138 0 0
DUN & BRADSTREET CORP DEL NE COM 26483E100 112,882 790,822 SH   DFND   790,822 0 0
DWS MUN INCOME TR NEW COM 233368109 940 91,267 SH   DFND   91,267 0 0
DWS STRATEGIC MUN INCOME TR COM 23342Q101 334 32,400 SH   DFND   32,400 0 0
EATON VANCE CALIF MUN BD FD COM 27828A100 754 76,155 SH   DFND   76,155 0 0
EATON VANCE FLTG RATE INCOM COM SHS BEN INT 278284104 146 10,297 SH   DFND   10,297 0 0
EATON VANCE FLTING RATE INC COM 278279104 461 36,389 SH   DFND   36,389 0 0
EATON VANCE LTD DUR INCOME F COM 27828H105 690 57,915 SH   DFND   57,915 0 0
EATON VANCE MUN BD FD COM 27827X101 1,176 104,185 SH   DFND   104,185 0 0
EATON VANCE MUN BD FD II COM 27827K109 126 11,478 SH   DFND   11,478 0 0
EATON VANCE MUNI INCOME TRUS SH BEN INT 27826U108 721 63,735 SH   DFND   63,735 0 0
EATON VANCE NEW YORK MUN BD COM 27827Y109 408 37,077 SH   DFND   37,077 0 0
EATON VANCE SH TM DR DIVR IN COM 27828V104 206 16,570 SH   DFND   16,570 0 0
EATON VANCE SR FLTNG RTE TR COM 27828Q105 393 31,299 SH   DFND   31,299 0 0
EATON VANCE SR INCOME TR SH BEN INT 27826S103 361 60,150 SH   DFND   60,150 0 0
EATON VANCE TAX ADV BD OPT S COM SH BEN INT 27829M103 111 13,033 SH   DFND   13,033 0 0
EATON VANCE TX ADV GLBL DIV COM 27828S101 258 19,036 SH   DFND   19,036 0 0
ECHO GLOBAL LOGISTICS INC NOTE 2.500% 5/0 27875TAA9 8,302 8,531,000 PRN   DFND   8,531,000 0 0
ELECTRO SCIENTIFIC INDS COM 285229100 44,562 1,487,372 SH   DFND   1,487,372 0 0
ENABLE MIDSTREAM PARTNERS LP COM UNIT RP IN 292480100 635 46,900 SH   DFND   46,900 0 0
ENBRIDGE INC COM 29250N105 1,056 33,984 SH   DFND   33,984 0 0
ENCORE CAP GROUP INC NOTE 3.250% 3/1 292554AK8 5,757 7,000,000 PRN   DFND   7,000,000 0 0
ENERGY TRANSFER LP COM UT LTD PTN 29273V100 923 69,888 SH   DFND   69,888 0 0
ENGILITY HLDGS INC NEW COM 29286C107 6,723 236,216 SH   DFND   236,216 0 0
ENLINK MIDSTREAM PARTNERS LP COM UNIT REP LTD 29336U107 437 39,709 SH   DFND   39,709 0 0
ENTERPRISE PRODS PARTNERS L COM 293792107 683 27,760 SH   DFND   27,760 0 0
EQM MIDSTREAM PARTNERS LP UNIT LTD PARTN 26885B100 432 9,980 SH   DFND   9,980 0 0
ESTERLINE TECHNOLOGIES CORP COM 297425100 140,756 1,158,960 SH   DFND   1,158,960 0 0
ESTRE AMBIENTAL INC *W EXP 12/21/202 G3206V118 36 661,870 SH   DFND   661,870 0 0
EXPEDIA GROUP INC COM NEW 30212P303 1,354 12,022 SH   DFND   12,022 0 0
EZCORP INC NOTE 2.125% 6/1 302301AB2 14,751 15,075,000 PRN   DFND   15,075,000 0 0
EZCORP INC NOTE 2.875% 7/0 302301AF3 987 1,000,000 PRN   DFND   1,000,000 0 0
FALCON MINERALS CORP *W EXP 07/21/202 30607B208 150 250,000 SH   DFND   250,000 0 0
FAR PT ACQUISITION CORP *W EXP 06/01/202 30734W117 390 299,999 SH   DFND   299,999 0 0
FAR PT ACQUISITION CORP COM CL A 30734W109 7,720 799,998 SH   DFND   799,998 0 0
FCB FINL HLDGS INC CL A 30255G103 31,536 939,124 SH   DFND   939,124 0 0
FEDERAL STR ACQUISITION CORP *W EXP 07/24/202 31421V115 128 187,500 SH   DFND   187,500 0 0
FEDERATED PREM MUN INC FD COM 31423P108 384 31,264 SH   DFND   31,264 0 0
FIDELITY SOUTHERN CORP NEW COM 316394105 2,498 96,000 SH   DFND   96,000 0 0
FINISAR CORP COM NEW 31787A507 73,835 3,418,268 SH   DFND   3,418,268 0 0
FINISAR CORP NOTE 0.500%12/1 31787AAP6 5,710 6,000,000 PRN   DFND   6,000,000 0 0
FINTECH ACQUISITION CORP III UNIT 12/01/2023 31811A309 23,069 2,300,000 SH   DFND   2,300,000 0 0
FIRST TR ABERDEEN GLBL OPP F COM SHS 337319107 179 19,070 SH   DFND   19,070 0 0
FIRST TR DYNAMIC EUROPE EQT COM SHS 33740D107 270 21,346 SH   DFND   21,346 0 0
FIRST TR HIGH INCOME L/S FD COM 33738E109 558 42,042 SH   DFND   42,042 0 0
FIRST TR SR FLG RTE INCM FD COM 33733U108 417 37,274 SH   DFND   37,274 0 0
FLEXION THERAPEUTICS INC NOTE 3.375% 5/0 33938JAB2 1,100 1,330,000 PRN   DFND   1,330,000 0 0
FORTIVE CORP 5% PFD CNV SER A 34959J207 6,387 7,025 SH   DFND   7,025 0 0
FORUM MERGER II CORP *W EXP 09/30/202 34986F111 729 1,620,000 SH   DFND   1,620,000 0 0
FORUM MERGER II CORP CL A 34986F103 13,896 1,440,000 SH   DFND   1,440,000 0 0
FRANKLIN LTD DURATION INC TR COM 35472T101 250 27,679 SH   DFND   27,679 0 0
FRONTDOOR INC COM 35905A109 12,034 452,254 SH   DFND   452,254 0 0
GABELLI DIVD & INCOME TR COM 36242H104 469 25,634 SH   DFND   25,634 0 0
GABELLI HLTHCARE & WELLNESS SHS 36246K103 102 11,066 SH   DFND   11,066 0 0
GAIN CAP HLDGS INC NOTE 5.000% 8/1 36268WAF7 232 225,000 PRN   DFND   225,000 0 0
GAMCO NAT RES GOLD & INCOME SH BEN INT 36465E101 55 11,142 SH   DFND   11,142 0 0
GARRETT MOTION INC COM 366505105 9,641 781,284 SH   DFND   781,284 0 0
GENERAL AMERN INVS INC COM 368802104 315 11,060 SH   DFND   11,060 0 0
GENESIS ENERGY L P UNIT LTD PARTN 371927104 446 24,165 SH   DFND   24,165 0 0
GENWORTH FINL INC COM CL A 37247D106 47,024 10,091,078 SH   DFND   10,091,078 0 0
GIGCAPITAL INC *W EXP 06/08/202 37518N122 272 1,125,000 SH   DFND   1,125,000 0 0
GIGCAPITAL INC COM 37518N106 6,818 675,000 SH   DFND   675,000 0 0
GIGCAPITAL INC RIGHT 03/06/2020 37518N114 412 1,500,000 SH   DFND   1,500,000 0 0
GOPRO INC CL A 38268T103 328 77,342 SH   DFND   77,342 0 0
GOPRO INC NOTE 3.500% 4/1 38268TAB9 2,059 2,500,000 PRN   DFND   2,500,000 0 0
GORDON POINTE ACQUISITION CO *W EXP 07/30/202 382788115 431 1,106,820 SH   DFND   1,106,820 0 0
GORDON POINTE ACQUISITION CO COM CLASS A 382788107 12,298 1,229,800 SH   DFND   1,229,800 0 0
GORES HOLDINGS III INC *W EXP 09/11/202 38286G117 433 333,332 SH   DFND   333,332 0 0
GORES HOLDINGS III INC CLASS A 38286G109 8,219 849,996 SH   DFND   849,996 0 0
GRAF INDL CORP *W EXP 12/31/202 384278115 713 1,782,000 SH   DFND   1,782,000 0 0
GRAF INDL CORP COM 384278107 15,840 1,650,000 SH   DFND   1,650,000 0 0
GRANITE PT MTG TR INC NOTE 6.375%10/0 38741LAC1 4,944 5,000,000 PRN   DFND   5,000,000 0 0
GREEN BANCORP INC COM 39260X100 2,599 151,640 SH   DFND   151,640 0 0
GREEN PLAINS INC NOTE 4.125% 9/0 393222AF1 5,965 6,750,000 PRN   DFND   6,750,000 0 0
GS ACQUISITION HLDGS CORP *W EXP 06/12/202 36255F110 625 500,000 SH   DFND   500,000 0 0
GS ACQUISITION HLDGS CORP COM CL A 36255F102 13,230 1,350,000 SH   DFND   1,350,000 0 0
GTY TECHNOLOGY HOLDINGS INC *W EXP 10/25/202 G4182A128 253 324,900 SH   DFND   324,900 0 0
GUARANTY BANCORP DEL COM NEW 40075T607 8,232 396,709 SH   DFND   396,709 0 0
GUIDEWIRE SOFTWARE INC COM 40171V100 1,207 15,046 SH   DFND   15,046 0 0
HANCOCK JOHN TAX-ADV DIV INC COM 41013V100 289 14,149 SH   DFND   14,149 0 0
HARMONIC INC NOTE 4.000%12/0 413160AB8 2,116 2,000,000 PRN   DFND   2,000,000 0 0
HAYMAKER ACQUISITION CORP *W EXP 10/27/202 420870115 492 599,990 SH   DFND   599,990 0 0
HAYMAKER ACQUISITION CORP COM CLASS A 420870107 9,009 899,960 SH   DFND   899,960 0 0
HCI GROUP INC NOTE 4.250% 3/0 40416EAD5 6,082 6,000,000 PRN   DFND   6,000,000 0 0
HELIX ENERGY SOLUTIONS GRP I NOTE 4.125% 9/1 42330PAJ6 4,631 5,000,000 PRN   DFND   5,000,000 0 0
HERBALIFE LTD NOTE 2.000% 8/1 42703MAB9 55,264 40,000,000 PRN   DFND   40,000,000 0 0
HERCULES CAPITAL INC DBCV 4.375% 2/0 427096AF9 20,069 21,150,000 PRN   DFND   21,150,000 0 0
HESS MIDSTREAM PARTNERS LP UNIT LTD PR INT 428104103 514 30,300 SH   DFND   30,300 0 0
HILTON GRAND VACATIONS INC COM 43283X105 9,269 351,225 SH   DFND   351,225 0 0
HL ACQUISITIONS CORP *W EXP 06/21/202 G4603R122 81 270,000 SH   DFND   270,000 0 0
HL ACQUISITIONS CORP RIGHT 07/17/2023 G4603R130 204 270,000 SH   DFND   270,000 0 0
HL ACQUISITIONS CORP SHS G4603R106 2,074 216,000 SH   DFND   216,000 0 0
HOLLY ENERGY PARTNERS L P COM UT LTD PTN 435763107 631 22,100 SH   DFND   22,100 0 0
HORTONWORKS INC COM 440894103 22,596 1,567,016 SH   DFND   1,567,016 0 0
HUNTER MARITIME ACQUISITION CL A Y37828111 1,004 100,000 SH   DFND   100,000 0 0
HURON CONSULTING GROUP INC NOTE 1.250%10/0 447462AB8 23,593 23,955,000 PRN   DFND   23,955,000 0 0
II VI INC NOTE 0.250% 9/0 902104AB4 19,532 20,000,000 PRN   DFND   20,000,000 0 0
ILLUMINA INC COM 452327109 3,634 12,116 SH   DFND   12,116 0 0
ILLUMINA INC NOTE 6/1 452327AF6 13,322 10,879,000 PRN   DFND   10,879,000 0 0
IMPERVA INC COM 45321L100 42,122 756,364 SH   DFND   756,364 0 0
INDUSTRIAL LOGISTICS PPTYS T COM SHS BEN INT 456237106 2,100 106,783 SH   DFND   106,783 0 0
INFINERA CORPORATION NOTE 2.125% 9/0 45667GAC7 14,357 19,700,000 PRN   DFND   19,700,000 0 0
INFRA AND ENERGY ALTRNTIVE I *W EXP 05/20/202 45686J112 312 343,006 SH   DFND   343,006 0 0
INFRAREIT INC COM 45685L100 30,295 1,441,225 SH   DFND   1,441,225 0 0
INNOVIVA INC NOTE 2.500% 8/1 45781MAB7 3,619 3,000,000 PRN   DFND   3,000,000 0 0
INPHI CORP NOTE 0.750% 9/0 45772FAC1 24,240 26,150,000 PRN   DFND   26,150,000 0 0
INPHI CORP NOTE 1.125%12/0 45772FAB3 7,722 7,325,000 PRN   DFND   7,325,000 0 0
INTEGRATED DEVICE TECHNOLOGY COM 458118106 145,337 3,000,963 SH   DFND   3,000,963 0 0
INTEGRATED DEVICE TECHNOLOGY NOTE 0.875%11/1 458118AC0 13,964 9,000,000 PRN   DFND   9,000,000 0 0
INTERDIGITAL INC NOTE 1.500% 3/0 458660AD9 3,686 3,500,000 PRN   DFND   3,500,000 0 0
INTREXON CORP COM 46122T102 947 144,759 SH   DFND   144,759 0 0
INTREXON CORP NOTE 3.500% 7/0 46122TAA0 13,159 18,800,000 PRN   DFND   18,800,000 0 0
INVACARE CORP NOTE 4.500% 6/0 461203AH4 1,315 1,950,000 PRN   DFND   1,950,000 0 0
INVACARE CORP NOTE 5.000% 2/1 461203AF8 2,894 4,000,000 PRN   DFND   4,000,000 0 0
INVESCO ADVANTAGE MUNICIPAL SH BEN INT 46132E103 799 80,959 SH   DFND   80,959 0 0
INVESCO CALIF VALUE MUN INC COM 46132H106 370 32,726 SH   DFND   32,726 0 0
INVESCO DYNAMIC CR OPP FD COM 46132R104 553 53,856 SH   DFND   53,856 0 0
INVESCO MUN OPPORTUNITY TR COM 46132C107 1,238 110,704 SH   DFND   110,704 0 0
INVESCO MUN TR COM 46131J103 1,046 93,910 SH   DFND   93,910 0 0
INVESCO QUALITY MUNI INC TRS COM 46133G107 1,108 98,731 SH   DFND   98,731 0 0
INVESCO TR INVT GRADE MUNS COM 46131M106 1,117 97,325 SH   DFND   97,325 0 0
INVESCO TR INVT GRADE NY MUN COM 46131T101 357 29,935 SH   DFND   29,935 0 0
INVESCO VALUE MUN INCOME TR COM 46132P108 1,186 87,748 SH   DFND   87,748 0 0
INVESTMENT TECHNOLOGY GRP NE COM 46145F105 21,683 717,037 SH   DFND   717,037 0 0
IRONWOOD PHARMACEUTICALS INC DBCV 2.250% 6/1 46333XAD0 13,182 14,025,000 PRN   DFND   14,025,000 0 0
ISTAR INC NOTE 3.125% 9/1 45031UCB5 27,422 30,350,000 PRN   DFND   30,350,000 0 0
IVY HIGH INC OPPORTUNITIES F COM 465893105 295 24,294 SH   DFND   24,294 0 0
J2 GLOBAL INC NOTE 3.250% 6/1 48123VAC6 13,819 12,000,000 PRN   DFND   12,000,000 0 0
JASON INDS INC *W EXP 06/30/201 471172114 33 1,933,070 SH   DFND   1,933,070 0 0
JAZZ PHARMACEUTICALS PLC SHS USD G50871105 1,949 15,719 SH   DFND   15,719 0 0
JBG SMITH PPTYS COM 46590V100 17,701 508,510 SH   DFND   508,510 0 0
JENSYN ACQUISITION CORP *W EXP 03/07/202 47632B110 12 174,000 SH   DFND   174,000 0 0
JENSYN ACQUISITION CORP COM 47632B102 759 69,000 SH   DFND   69,000 0 0
JENSYN ACQUISITION CORP RIGHT 99/99/9999 47632B128 35 174,000 SH   DFND   174,000 0 0
KBL MERGER CORP IV *W EXP 01/15/202 48242A112 45 500,000 SH   DFND   500,000 0 0
KBL MERGER CORP IV RIGHT 03/22/2019 48242A120 390 1,000,000 SH   DFND   1,000,000 0 0
KKR INCOME OPPORTUNITIES FD COM 48249T106 191 13,418 SH   DFND   13,418 0 0
KLX ENERGY SERVICS HOLDNGS I COM 48253L106 294 12,542 SH   DFND   12,542 0 0
L3 TECHNOLOGIES INC COM 502413107 203,233 1,170,292 SH   DFND   1,170,292 0 0
LEGACY ACQUISITION CORP *W EXP 11/30/202 524643111 414 1,250,000 SH   DFND   1,250,000 0 0
LEGACY ACQUISITION CORP COM CL A 524643103 12,128 1,235,000 SH   DFND   1,235,000 0 0
LEGACY RESERVES LP/ LEGACY F NOTE 8.000% 9/2 52471TAF4 3,000 10,000,000 PRN   DFND   10,000,000 0 0
LEISURE ACQUISITION CORP *W EXP 12/05/201 52539T115 494 625,000 SH   DFND   625,000 0 0
LEISURE ACQUISITION CORP COM 52539T107 5,418 550,000 SH   DFND   550,000 0 0
LEO HOLDINGS CORP *W EXP 02/07/202 G5463L113 1,193 1,115,000 SH   DFND   1,115,000 0 0
LEO HOLDINGS CORP COM CL A G5463L105 6,241 646,700 SH   DFND   646,700 0 0
LF CAP ACQUISITION CORP *W EXP 06/22/202 50200K116 504 1,200,000 SH   DFND   1,200,000 0 0
LF CAP ACQUISITION CORP CL A 50200K108 9,408 960,000 SH   DFND   960,000 0 0
LIBERTY MEDIA CORP DELAWARE NOTE 1.375%10/1 531229AB8 1,073 1,000,000 PRN   DFND   1,000,000 0 0
LONGEVITY ACQUISITION CORP *W EXP 07/31/202 G56372116 19 125,000 SH   DFND   125,000 0 0
LONGEVITY ACQUISITION CORP RIGHT 07/31/2020 G56372124 50 125,000 SH   DFND   125,000 0 0
LUMENTUM HLDGS INC COM 55024U109 213 5,077 SH   DFND   5,077 0 0
MACQUARIE GLBL INFRA TOTL RE COM 55608D101 243 12,902 SH   DFND   12,902 0 0
MADISON CVRED CALL & EQ STR COM 557437100 65 10,618 SH   DFND   10,618 0 0
MAGELLAN MIDSTREAM PRTNRS LP COM UNIT RP LP 559080106 551 9,657 SH   DFND   9,657 0 0
MAGNACHIP SEMICONDUCTOR SA NOTE 5.000% 3/0 55932XAB0 2,048 2,000,000 PRN   DFND   2,000,000 0 0
MAGNOLIA OIL & GAS CORP *W EXP 07/31/202 559663117 252 83,333 SH   DFND   83,333 0 0
MARTIN MIDSTREAM PRTNRS L P UNIT L P INT 573331105 419 40,794 SH   DFND   40,794 0 0
MB FINANCIAL INC NEW COM 55264U108 48,847 1,232,585 SH   DFND   1,232,585 0 0
MEDICINES CO COM 584688105 1,548 80,854 SH   DFND   80,854 0 0
MEDICINES CO NOTE 2.500% 1/1 584688AE5 4,056 4,700,000 PRN   DFND   4,700,000 0 0
MEGALITH FINL ACQUISITION CO *W EXP 08/26/202 58518F117 462 1,153,800 SH   DFND   1,153,800 0 0
MEGALITH FINL ACQUISITION CO CL A COM 58518F109 10,010 1,032,000 SH   DFND   1,032,000 0 0
MFS INVT GRADE MUN TR SH BEN INT 59318B108 115 13,134 SH   DFND   13,134 0 0
MFS MULTIMARKET INCOME TR SH BEN INT 552737108 105 20,458 SH   DFND   20,458 0 0
MFS MUN INCOME TR SH BEN INT 552738106 429 69,841 SH   DFND   69,841 0 0
MICRO FOCUS INTERNATIONAL PL SPON ADR NEW 594837304 16,614 965,357 SH   DFND   965,357 0 0
MICROCHIP TECHNOLOGY INC NOTE 1.625% 2/1 595017AD6 136,397 96,500,000 PRN   DFND   96,500,000 0 0
MICROCHIP TECHNOLOGY INC NOTE 2.250% 2/1 595017AH7 54,994 55,941,000 PRN   DFND   55,941,000 0 0
MICRON TECHNOLOGY INC NOTE 2.125% 2/1 595112AV5 79,311 27,379,000 PRN   DFND   27,379,000 0 0
MINDBODY INC COM CL A 60255W105 28,173 773,975 SH   DFND   773,975 0 0
MODERN MEDIA ACQUISITION *W EXP 05/17/202 60765P111 85 425,000 SH   DFND   425,000 0 0
MODERN MEDIA ACQUISITION COM 60765P103 6,069 595,031 SH   DFND   595,031 0 0
MODERN MEDIA ACQUISITION RIGHT 99/99/9999 60765P129 425 1,700,000 SH   DFND   1,700,000 0 0
MOLINA HEALTHCARE INC NOTE 1.125% 1/1 60855RAC4 110,281 38,325,000 PRN   DFND   38,325,000 0 0
MPLX LP COM UNIT REP LTD 55336V100 700 23,115 SH   DFND   23,115 0 0
MTECH ACQUISITION CORP *W EXP 08/01/202 55378W115 37 62,500 SH   DFND   62,500 0 0
MTECH ACQUISITION CORP COM CLASS A 55378W107 755 75,000 SH   DFND   75,000 0 0
MUDRICK CAP ACQUISITION CORP *W EXP 02/12/202 624745113 1,013 2,250,000 SH   DFND   2,250,000 0 0
MUDRICK CAP ACQUISITION CORP COM CLASS A 624745105 11,351 1,150,000 SH   DFND   1,150,000 0 0
NATIONAL COMM CORP COM 63546L102 1,332 37,002 SH   DFND   37,002 0 0
NATIONAL ENERGY SERVICES REU *W EXP 05/05/202 G6375R115 491 409,500 SH   DFND   409,500 0 0
NATIONAL HEALTH INVS INC NOTE 3.250% 4/0 63633DAE4 2,199 2,000,000 PRN   DFND   2,000,000 0 0
NAVIGATORS GROUP INC COM 638904102 13,331 191,845 SH   DFND   191,845 0 0
NEBULA ACQUISITION CORP *W EXP 03/12/202 629076118 314 233,332 SH   DFND   233,332 0 0
NEBULA ACQUISITION CORP COM CLASS A 629076100 5,850 599,996 SH   DFND   599,996 0 0
NEUBERGER BERMAN HGH YLD FD COM 64128C106 436 45,127 SH   DFND   45,127 0 0
NEUBERGER BERMAN MUNI FD INC COM 64124P101 477 37,689 SH   DFND   37,689 0 0
NEUROCRINE BIOSCIENCES INC NOTE 2.250% 5/1 64125CAD1 3,589 3,000,000 PRN   DFND   3,000,000 0 0
NEVSUN RES LTD COM 64156L101 35,026 7,986,500 SH   DFND   7,986,500 0 0
NEW AMER HIGH INCOME FD INC COM NEW 641876800 172 22,686 SH   DFND   22,686 0 0
NEW FRONTIER CORP *W EXP 99/99/999 G6485P124 405 450,000 SH   DFND   450,000 0 0
NEW FRONTIER CORP COM CL A G6485P108 7,840 800,000 SH   DFND   800,000 0 0
NEW MTN FIN CORP NOTE 5.750% 8/1 647551AC4 6,945 7,000,000 PRN   DFND   7,000,000 0 0
NEW YORK MTG TR INC NOTE 6.250% 1/1 649604AD7 3,676 3,725,000 PRN   DFND   3,725,000 0 0
NEWFIELD EXPL CO COM 651290108 81,430 5,554,579 SH   DFND   5,554,579 0 0
NEWMARK GROUP INC CL A 65158N102 6,727 838,808 SH   DFND   838,808 0 0
NEWS CORP NEW CL A 65249B109 1,522 134,116 SH   DFND   134,116 0 0
NOVELLUS SYS INC NOTE 2.625% 5/1 670008AD3 448,202 108,555,000 PRN   DFND   108,555,000 0 0
NRC GROUP HLDGS CORP *W EXP 10/17/202 629375114 152 187,500 SH   DFND   187,500 0 0
NUSTAR ENERGY LP UNIT COM 67058H102 365 17,439 SH   DFND   17,439 0 0
NUTRI SYS INC NEW COM 67069D108 53,285 1,214,326 SH   DFND   1,214,326 0 0
NUVASIVE INC NOTE 2.250% 3/1 670704AG0 26,797 25,401,000 PRN   DFND   25,401,000 0 0
NUVEEN AMT FREE MUN CR INC F COM 67071L106 1,184 84,668 SH   DFND   84,668 0 0
NUVEEN AMT FREE QLTY MUN INC COM 670657105 1,252 101,697 SH   DFND   101,697 0 0
NUVEEN ARIZONA QLTY MUN INC COM 67061W104 423 35,617 SH   DFND   35,617 0 0
NUVEEN CA QUALTY MUN INCOME COM 67066Y105 1,291 101,257 SH   DFND   101,257 0 0
NUVEEN CALIF MUN VALUE FD COM 67062C107 140 15,320 SH   DFND   15,320 0 0
NUVEEN CALIFORNIA AMT QLT MU COM 670651108 1,149 90,630 SH   DFND   90,630 0 0
NUVEEN CONNECTICUT QLTY MUN COM 67060D107 523 46,405 SH   DFND   46,405 0 0
NUVEEN CR STRATEGIES INCM FD COM SHS 67073D102 543 73,400 SH   DFND   73,400 0 0
NUVEEN DIVERSIFIED DIV INCM COM 6706EP105 136 14,709 SH   DFND   14,709 0 0
NUVEEN ENHANCED MUN VALUE FD COM 67074M101 230 17,907 SH   DFND   17,907 0 0
NUVEEN FLTNG RTE INCM OPP FD COM SHS 6706EN100 286 31,713 SH   DFND   31,713 0 0
NUVEEN GEORGIA QLTY MUN INC COM 67072B107 320 29,260 SH   DFND   29,260 0 0
NUVEEN INT DUR QUAL MUN TRM COM 670677103 141 11,413 SH   DFND   11,413 0 0
NUVEEN INTER DURATION MN TMF COM 670671106 311 25,136 SH   DFND   25,136 0 0
NUVEEN MARYLAND QLT MUN INC COM 67061Q107 737 62,917 SH   DFND   62,917 0 0
NUVEEN MICHIGAN QLT MUN INC COM 670979103 751 60,254 SH   DFND   60,254 0 0
NUVEEN MUNICIPAL CREDIT INC COM SH BEN INT 67070X101 895 66,695 SH   DFND   66,695 0 0
NUVEEN NEW JERSEY QULT MUN F COM 67069Y102 998 78,343 SH   DFND   78,343 0 0
NUVEEN NEW YORK AMT QLT MUNI COM 670656107 1,164 99,906 SH   DFND   99,906 0 0
NUVEEN NEW YORK QLT MUN INC COM 67066X107 822 67,079 SH   DFND   67,079 0 0
NUVEEN NORTH CAROLINA QLTY M COM 67060P100 627 53,154 SH   DFND   53,154 0 0
NUVEEN OHIO QLTY MUN INCOME COM 670980101 701 52,696 SH   DFND   52,696 0 0
NUVEEN PENNSYLVANIA QLT MUN COM 670972108 733 60,046 SH   DFND   60,046 0 0
NUVEEN PFD & INCM OPPORTNYS COM 67073B106 190 22,742 SH   DFND   22,742 0 0
NUVEEN PFD & INCM SECURTIES COM 67072C105 124 15,011 SH   DFND   15,011 0 0
NUVEEN QUALITY MUNCP INCOME COM 67066V101 1,301 103,744 SH   DFND   103,744 0 0
NUVEEN REAL ASSET INM AND GW COM 67074Y105 422 30,976 SH   DFND   30,976 0 0
NUVEEN REAL ESTATE INCOME FD COM 67071B108 202 23,933 SH   DFND   23,933 0 0
NUVEEN SR INCOME FD COM 67067Y104 251 45,580 SH   DFND   45,580 0 0
NUVEEN TEXAS QLTY MUN INCME COM 670983105 217 17,536 SH   DFND   17,536 0 0
NUVEEN VIRGINIA QLTY MUNCPL COM 67064R102 655 55,855 SH   DFND   55,855 0 0
NVENT ELECTRIC PLC SHS G6700G107 17,161 764,088 SH   DFND   764,088 0 0
NXP SEMICONDUCTORS N V COM N6596X109 174,757 2,384,779 SH   DFND   2,384,779 0 0
NXSTAGE MEDICAL INC COM 67072V103 105,461 3,684,861 SH   DFND   3,684,861 0 0
OIL STS INTL INC COM 678026105 677 47,387 SH   DFND   47,387 0 0
ONE MADISON CORP *W EXP 99/99/999 G6772P126 877 1,125,000 SH   DFND   1,125,000 0 0
ONE MADISON CORP COM CL A G6772P100 11,947 1,191,100 SH   DFND   1,191,100 0 0
ONEOK INC NEW COM 682680103 912 16,899 SH   DFND   16,899 0 0
OPES ACQUISITION CORP *W EXP 03/13/202 68373P118 73 250,000 SH   DFND   250,000 0 0
OPES ACQUISITION CORP COM 68373P100 970 100,000 SH   DFND   100,000 0 0
ORBOTECH LTD ORD M75253100 110,215 1,949,327 SH   DFND   1,949,327 0 0
ORGANOGENESIS HLDGS INC *W EXP 10/07/202 68621F110 210 1,000,000 SH   DFND   1,000,000 0 0
OSI SYSTEMS INC NOTE 1.250% 9/0 671044AD7 10,717 11,500,000 PRN   DFND   11,500,000 0 0
PACIFIC BIOSCIENCES CALIF IN COM 69404D108 48,728 6,584,898 SH   DFND   6,584,898 0 0
PACIRA PHARMACEUTICALS INC NOTE 2.375% 4/0 695127AD2 8,104 8,150,000 PRN   DFND   8,150,000 0 0
PALO ALTO NETWORKS INC NOTE 7/0 697435AB1 82,257 48,400,000 PRN   DFND   48,400,000 0 0
PANDORA MEDIA INC COM 698354107 9,904 1,224,188 SH   DFND   1,224,188 0 0
PARK HOTELS RESORTS INC COM 700517105 13,247 509,892 SH   DFND   509,892 0 0
PATRIOT NATL BANCORP INC COM NEW 70336F203 491 34,461 SH   DFND   34,461 0 0
PENN VA CORP NEW COM 70788V102 5,971 110,459 SH   DFND   110,459 0 0
PENSARE ACQUISITION CORP *W EXP 07/27/202 70957E113 50 250,000 SH   DFND   250,000 0 0
PENSARE ACQUISITION CORP COM 70957E105 6,449 636,600 SH   DFND   636,600 0 0
PENSARE ACQUISITION CORP RIGHT 99/99/9999 70957E121 290 1,000,000 SH   DFND   1,000,000 0 0
PENTAIR PLC SHS G7S00T104 6,352 168,126 SH   DFND   168,126 0 0
PGIM GLOBAL SHORT DURATION H COM 69346J106 617 47,761 SH   DFND   47,761 0 0
PGIM SHORT DURATION HIGH YIE COM 69346H100 643 49,371 SH   DFND   49,371 0 0
PHILLIPS 66 PARTNERS LP COM UNIT REP INT 718549207 537 12,745 SH   DFND   12,745 0 0
PHUNWARE INC *W EXP 08/11/202 71948P118 174 600,000 SH   DFND   600,000 0 0
PIONEER FLOATING RATE TR COM 72369J102 360 36,602 SH   DFND   36,602 0 0
PIONEER HIGH INCOME TR COM 72369H106 311 39,038 SH   DFND   39,038 0 0
PIONEER MUN HIGH INCOME TR COM SHS 723763108 449 40,950 SH   DFND   40,950 0 0
PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 596 29,751 SH   DFND   29,751 0 0
PLATINUM EAGLE ACQUISITIN CO *W EXP 01/17/202 G7126L118 347 266,666 SH   DFND   266,666 0 0
PLATINUM EAGLE ACQUISITIN CO SHS CL A G7126L100 8,064 799,998 SH   DFND   799,998 0 0
PRA GROUP INC NOTE 3.500% 6/0 69354NAB2 2,771 3,275,000 PRN   DFND   3,275,000 0 0
PRICELINE GRP INC NOTE 0.350% 6/1 741503AS5 13,494 10,000,000 PRN   DFND   10,000,000 0 0
PRIORITY TECHNOLOGY HLDGS IN *W EXP 11/15/202 74275G115 325 250,000 SH   DFND   250,000 0 0
PROS HOLDINGS INC NOTE 2.000% 6/0 74346YAD5 4,664 5,000,000 PRN   DFND   5,000,000 0 0
PROSPECT CAPITAL CORPORATION NOTE 4.950% 7/1 74348TAR3 18,481 19,250,000 PRN   DFND   19,250,000 0 0
PURE ACQUISITION CORP *W EXP 04/17/202 74621Q114 983 862,500 SH   DFND   862,500 0 0
PURE ACQUISITION CORP CL A 74621Q106 8,856 900,000 SH   DFND   900,000 0 0
PUTNAM MANAGED MUN INCOM TR COM 746823103 573 85,222 SH   DFND   85,222 0 0
PUTNAM MUN OPPORTUNITIES TR SH BEN INT 746922103 975 86,829 SH   DFND   86,829 0 0
QTS RLTY TR INC 6.50% CON PFD B 74736A301 2,176 23,000 SH   DFND   23,000 0 0
QUOTIENT TECHNOLOGY INC NOTE 1.750%12/0 749119AB9 13,226 13,950,000 PRN   DFND   13,950,000 0 0
RANDGOLD RES LTD ADR 752344309 129,075 1,506,772 SH   DFND   1,506,772 0 0
RED HAT INC COM 756577102 125,102 712,262 SH   DFND   712,262 0 0
RED HAT INC NOTE 0.250%10/0 756577AD4 6,636 2,788,000 PRN   DFND   2,788,000 0 0
REDWOOD TR INC NOTE 4.750% 8/1 758075AC9 17,065 18,575,000 PRN   DFND   18,575,000 0 0
REDWOOD TR INC NOTE 5.625% 7/1 758075AD7 17,764 18,875,000 PRN   DFND   18,875,000 0 0
REEBONZ HLDG LTD *W EXP 12/19/202 G7457R114 14 75,000 SH   DFND   75,000 0 0
REEBONZ HLDG LTD ORD SHS G7457R106 31 15,000 SH   DFND   15,000 0 0
REGALWOOD GLOBAL ENERGY LTD *W EXP 12/05/202 G74760128 476 440,925 SH   DFND   440,925 0 0
REGALWOOD GLOBAL ENERGY LTD COM CL A G74760102 5,134 522,777 SH   DFND   522,777 0 0
RENEWABLE ENERGY GROUP INC NOTE 2.750% 6/1 75972AAA1 1,303 675,000 PRN   DFND   675,000 0 0
RENT A CTR INC NEW COM 76009N100 33,626 2,076,937 SH   DFND   2,076,937 0 0
RESIDEO TECHNOLOGIES INC COM 76118Y104 14,355 698,537 SH   DFND   698,537 0 0
RESOLUTE ENERGY CORP COM NEW 76116A306 6,326 218,298 SH   DFND   218,298 0 0
RESTORATION HARDWARE HLDGS I DBCV 7/1 761283AC4 27,845 23,900,000 PRN   DFND   23,900,000 0 0
RETAIL VALUE INC COM 76133Q102 345 13,469 SH   DFND   13,469 0 0
RETROPHIN INC NOTE 2.500% 9/1 761299AB2 11,232 12,500,000 PRN   DFND   12,500,000 0 0
ROSEHILL RES INC *W EXP 09/16/202 777385113 88 244,800 SH   DFND   244,800 0 0
ROWAN COMPANIES PLC SHS CL A G7665A101 9,765 1,163,866 SH   DFND   1,163,866 0 0
ROYCE MICRO-CAP TR INC COM 780915104 92 12,349 SH   DFND   12,349 0 0
ROYCE VALUE TR INC COM 780910105 343 29,095 SH   DFND   29,095 0 0
SABAN CAP ACQUISITION CORP *W EXP 09/21/202 78516C114 25 42,000 SH   DFND   42,000 0 0
SCANA CORP NEW COM 80589M102 118,250 2,474,877 SH   DFND   2,474,877 0 0
SCHULTZE SPL PURP ACQUISITIO UNIT 12/31/2023 80821R208 14,328 1,440,000 SH   DFND   1,440,000 0 0
SCORPIO TANKERS INC NOTE 3.000% 5/1 80918TAB5 6,967 8,750,000 PRN   DFND   8,750,000 0 0
SEACOR HOLDINGS INC NOTE 2.500%12/1 811904AM3 17,045 19,244,000 PRN   DFND   19,244,000 0 0
SELECT INCOME REIT COM SH BEN INT 81618T100 2,409 327,361 SH   DFND   327,361 0 0
SEMGROUP CORP CL A 81663A105 335 24,333 SH   DFND   24,333 0 0
SEMPRA ENERGY 6% PFD CONV A 816851406 6,849 71,225 SH   DFND   71,225 0 0
SENDGRID INC COM 816883102 33,134 767,534 SH   DFND   767,534 0 0
SENTINEL ENERGY SVCS INC *W EXP 11/02/202 81728P113 111 133,333 SH   DFND   133,333 0 0
SHELL MIDSTREAM PARTNERS L P UNIT LTD INT 822634101 368 22,409 SH   DFND   22,409 0 0
SHIP FINANCE INTERNATIONAL L NOTE 5.750%10/1 G81075AF3 21,999 23,600,000 PRN   DFND   23,600,000 0 0
SHIRE PLC SPONSORED ADR 82481R106 28,237 162,242 SH   DFND   162,242 0 0
SMAAASH ENTERTAINMENT INC *W EXP 05/22/202 831550116 39 225,000 SH   DFND   225,000 0 0
SMAAASH ENTERTAINMENT INC COM 831550108 38 18,800 SH   DFND   18,800 0 0
SOCIAL CAP HEDOSOPHIA HLDGS *W EXP 09/14/202 G8250R129 60 83,334 SH   DFND   83,334 0 0
SOUTH JERSEY INDS INC UNIT 99/99/9999 838518116 1,937 41,200 SH   DFND   41,200 0 0
SPARTAN ENERGY ACQUISITON CO *W EXP 08/27/202 846784122 422 434,999 SH   DFND   434,999 0 0
SPARTAN ENERGY ACQUISITON CO CL A COM STK 846784106 12,037 1,249,996 SH   DFND   1,249,996 0 0
SPIRIT MTA REIT COM SHS BEN IN 84861U105 191 26,740 SH   DFND   26,740 0 0
SPRINT CORP COM SER 1 85207U105 84,301 14,484,662 SH   DFND   14,484,662 0 0
SQUARE INC NOTE 0.375% 3/0 852234AB9 77,386 31,635,000 PRN   DFND   31,635,000 0 0
STARWOOD PPTY TR INC COM 85571B105 267 13,533 SH   DFND   13,533 0 0
STATE BK FINL CORP COM 856190103 25,372 1,175,187 SH   DFND   1,175,187 0 0
STEWART INFORMATION SVCS COR COM 860372101 18,221 440,124 SH   DFND   440,124 0 0
SUMMIT MIDSTREAM PARTNERS LP COM UNIT LTD 866142102 349 34,700 SH   DFND   34,700 0 0
TAHOE RES INC COM 873868103 9,194 2,519,027 SH   DFND   2,519,027 0 0
TALLGRASS ENERGY LP CLASS A SHS 874696107 774 31,800 SH   DFND   31,800 0 0
TARGA RES CORP COM 87612G101 763 21,184 SH   DFND   21,184 0 0
TC PIPELINES LP UT COM LTD PRT 87233Q108 504 15,700 SH   DFND   15,700 0 0
TEEKAY LNG PARTNERS L P PRTNRSP UNITS Y8564M105 376 34,119 SH   DFND   34,119 0 0
TEKLA HEALTHCARE INVS SH BEN INT 87911J103 424 23,610 SH   DFND   23,610 0 0
TELADOC HEALTH INC NOTE 3.000%12/1 87918AAB1 6,881 5,000,000 PRN   DFND   5,000,000 0 0
TEMPLETON GLOBAL INCOME FD COM 880198106 493 81,749 SH   DFND   81,749 0 0
TENZING ACQUISITION CORP *W EXP 02/23/202 G8708A108 83 250,000 SH   DFND   250,000 0 0
TERADYNE INC NOTE 1.250%12/1 880770AG7 40,931 34,450,000 PRN   DFND   34,450,000 0 0
TESARO INC COM 881569107 91,089 1,226,783 SH   DFND   1,226,783 0 0
TESARO INC NOTE 3.000%10/0 881569AA5 2,616 1,200,000 PRN   DFND   1,200,000 0 0
TESLA INC COM 88160R101 2,062 6,197 SH   DFND   6,197 0 0
TESLA INC NOTE 2.375% 3/1 88160RAD3 19,149 15,750,000 PRN   DFND   15,750,000 0 0
THERAVANCE INC NOTE 2.125% 1/1 88338TAB0 27,666 25,543,000 PRN   DFND   25,543,000 0 0
THESTREET INC COM 88368Q103 278 136,752 SH   DFND   136,752 0 0
THUNDER BRIDGE ACQUISITION L *W EXP 01/01/202 G8857R126 599 1,620,000 SH   DFND   1,620,000 0 0
THUNDER BRIDGE ACQUISITION L SHS CLASS A G8857R100 14,256 1,440,000 SH   DFND   1,440,000 0 0
TIBERIUS ACQUISITION CORP *W EXP 02/28/202 88633A115 412 1,057,500 SH   DFND   1,057,500 0 0
TIBERIUS ACQUISITION CORP COM 88633A107 5,292 540,000 SH   DFND   540,000 0 0
TIMKENSTEEL CORP NOTE 6.000% 6/0 887399AA1 1,554 1,500,000 PRN   DFND   1,500,000 0 0
TKK SYMPHONY ACQUISITION COR *W EXP 02/20/202 G88950129 278 1,850,000 SH   DFND   1,850,000 0 0
TKK SYMPHONY ACQUISITION COR ORD SHS G88950103 14,765 1,530,000 SH   DFND   1,530,000 0 0
TKK SYMPHONY ACQUISITION COR RIGHT 02/20/2020 G88950137 648 1,850,000 SH   DFND   1,850,000 0 0
TPG PACE HLDGS CORP *W EXP 06/27/202 G89827110 101 440,166 SH   DFND   440,166 0 0
TPG SPECIALTY LENDING INC NOTE 4.500% 8/0 87265KAD4 7,384 7,500,000 PRN   DFND   7,500,000 0 0
TRANSMONTAIGNE PARTNERS L P COM UNIT L P 89376V100 821 20,221 SH   DFND   20,221 0 0
TRANSOCEAN INC DEB 0.500% 1/3 893830BJ7 11,398 12,000,000 PRN   DFND   12,000,000 0 0
TRANSOCEAN LTD REG SHS H8817H100 514 74,055 SH   DFND   74,055 0 0
TRAVELPORT WORLDWIDE LTD SHS G9019D104 20,704 1,325,466 SH   DFND   1,325,466 0 0
TRIBUNE MEDIA CO CL A 896047503 110,285 2,430,253 SH   DFND   2,430,253 0 0
TRINITY MERGER CORP *W EXP 05/11/202 89653L114 889 2,250,000 SH   DFND   2,250,000 0 0
TRINITY MERGER CORP COM CL A 89653L106 7,976 800,000 SH   DFND   800,000 0 0
TTM TECHNOLOGIES INC NOTE 1.750%12/1 87305RAD1 30,873 26,500,000 PRN   DFND   26,500,000 0 0
TWELVE SEAS INVESTMENT COMPA *W EXP 12/22/202 G9145A115 312 1,200,000 SH   DFND   1,200,000 0 0
TWELVE SEAS INVESTMENT COMPA RIGHT 12/22/2019 G9145A131 420 1,200,000 SH   DFND   1,200,000 0 0
TWELVE SEAS INVESTMENT COMPA SHS G9145A107 9,427 960,000 SH   DFND   960,000 0 0
TWENTY FIRST CENTY FOX INC CL A 90130A101 126,093 2,620,384 SH   DFND   2,620,384 0 0
U S G CORP COM NEW 903293405 141,545 3,317,976 SH   DFND   3,317,976 0 0
U S WELL SVCS INC *W EXP 03/15/202 91274U119 455 757,700 SH   DFND   757,700 0 0
UNION ACQUISITION CORP *W EXP 07/01/202 G9366W127 313 1,250,000 SH   DFND   1,250,000 0 0
UNION ACQUISITION CORP RIGHT 12/02/2019 G9366W135 475 1,250,000 SH   DFND   1,250,000 0 0
UNION ACQUISITION CORP SHS G9366W101 12,588 1,250,000 SH   DFND   1,250,000 0 0
VALERO ENERGY PARTNERS LP COM UNT REP LP 91914J102 583 13,821 SH   DFND   13,821 0 0
VANTAGE ENERGY ACQUISITION *W EXP 04/12/202 92211L113 118 250,000 SH   DFND   250,000 0 0
VAREX IMAGING CORP COM 92214X106 12,046 508,718 SH   DFND   508,718 0 0
VECTOIQ ACQUISITION CORP *W EXP 05/11/202 92243N111 810 1,620,000 SH   DFND   1,620,000 0 0
VECTOIQ ACQUISITION CORP COM 92243N103 13,483 1,390,000 SH   DFND   1,390,000 0 0
VECTOR GROUP LTD FRNT 1/1 92240MAY4 11,202 10,878,000 PRN   DFND   10,878,000 0 0
VECTOR GROUP LTD FRNT 4/1 92240MBC1 6,041 6,000,000 PRN   DFND   6,000,000 0 0
VECTREN CORP COM 92240G101 130,666 1,815,310 SH   DFND   1,815,310 0 0
VEECO INSTRS INC DEL NOTE 2.700% 1/1 922417AD2 17,460 23,000,000 PRN   DFND   23,000,000 0 0
VEONEER INCORPORATED COM 92336X109 8,773 372,209 SH   DFND   372,209 0 0
VERASTEM INC NOTE 5.000%11/0 92337CAA2 11,772 15,000,000 PRN   DFND   15,000,000 0 0
VIRTUS INVT PARTNERS INC PFD CV SER D 92828Q208 1,361 17,975 SH   DFND   17,975 0 0
VIRTUS TOTAL RETURN FUND INC COM 92837G100 192 22,175 SH   DFND   22,175 0 0
VITAMIN SHOPPE INC NOTE 2.250%12/0 92849EAB7 953 1,000,000 PRN   DFND   1,000,000 0 0
VOYA EMERGING MKTS HIGH DIVI COM 92912P108 111 15,217 SH   DFND   15,217 0 0
VOYA GLBL ADV & PREM OPP FD COM 92912R104 108 11,750 SH   DFND   11,750 0 0
VOYA GLBL EQTY DIV & PREM OP COM 92912T100 268 45,729 SH   DFND   45,729 0 0
VOYA INFRASTRUCTURE INDLS & COM 92912X101 186 16,809 SH   DFND   16,809 0 0
WEATHERFORD INTL LTD NOTE 5.875% 7/0 947075AH0 20,271 31,825,000 PRN   DFND   31,825,000 0 0
WELLS FARGO GLOBAL DIVIDEND COM 94987C103 127 27,281 SH   DFND   27,281 0 0
WELLS FARGO INCOME OPPORTUNI WF INC OPPTY FD 94987B105 381 52,631 SH   DFND   52,631 0 0
WELLS FARGO MULTI SECTOR INC COM 94987D101 260 23,423 SH   DFND   23,423 0 0
WESTERN ASSET GLB HI INCOME COM 95766B109 373 45,105 SH   DFND   45,105 0 0
WESTERN ASSET GLOBAL CP DEFI COM 95790C107 218 14,568 SH   DFND   14,568 0 0
WESTERN ASSET HGH YLD DFNDFD COM 95768B107 250 19,042 SH   DFND   19,042 0 0
WESTERN ASSET HIGH INCM FD I COM 95766J102 510 88,508 SH   DFND   88,508 0 0
WESTERN ASSET INTM MUNI FD I COM 958435109 561 67,179 SH   DFND   67,179 0 0
WESTERN ASSET MUN HI INCM FD COM 95766N103 75 10,830 SH   DFND   10,830 0 0
WESTERN ASST MN PRT FD INC COM 95766P108 327 23,543 SH   DFND   23,543 0 0
WESTERN ASST MNGD MUN FD INC COM 95766M105 218 17,136 SH   DFND   17,136 0 0
WESTERN GAS PARTNERS LP COM UNIT LP IN 958254104 521 12,341 SH   DFND   12,341 0 0
WILDHORSE RESOURCE DEV CORP COM 96812T102 21,834 1,547,421 SH   DFND   1,547,421 0 0
WILLIAMS COS INC DEL COM 969457100 640 29,037 SH   DFND   29,037 0 0
WIX COM LTD SHS M98068105 3,400 37,633 SH   DFND   37,633 0 0
WORKDAY INC NOTE 1.500% 7/1 98138HAD3 39,609 20,000,000 PRN   DFND   20,000,000 0 0
WYNDHAM HOTELS & RESORTS INC COM 98311A105 14,927 329,003 SH   DFND   329,003 0 0
WYNN RESORTS LTD COM 983134107 1,231 12,450 SH   DFND   12,450 0 0
ZILLOW GROUP INC NOTE 1.500% 7/0 98954MAC5 20,369 23,575,000 PRN   DFND   23,575,000 0 0
ZILLOW GROUP INC NOTE 2.000%12/0 98954MAB7 14,163 14,500,000 PRN   DFND   14,500,000 0 0