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 INCOME COM 003009107 1,175 347,623 SH   SOLE   347,623 0 0
ABERDEEN INCOME CR STRATEGIE COM 003057106 5,792 788,026 SH   SOLE   770,139 0 17,887
ABERDEEN TOTAL DYNAMIC DIVD COM SH BEN INT 00326L100 274 41,674 SH   SOLE   41,674 0 0
ALLIANCE RES PARTNER L P UT LTD PART 01877R108 5,984 1,930,100 SH Put SOLE   1,930,100 0 0
ALLIANCEBERNSTEIN GLOBAL HIG COM 01879R106 5,530 597,225 SH   SOLE   588,705 0 8,520
ALLIANZGI DIVERSIFIED INCOME COM 01883J108 333 18,529 SH   SOLE   18,529 0 0
ALLIANZGI NFJ DIVID INT & PR COM 01883A107 2,265 235,729 SH   SOLE   235,729 0 0
ANGEL OAK FINL STRATEGIES IN COM BEN INT 03464A100 593 34,689 SH   SOLE   33,901 0 788
APOLLO SR FLOATING RATE FD I COM 037636107 5,445 469,002 SH   SOLE   444,196 0 24,806
APOLLO TACTICAL INCOME FD IN COM 037638103 6,380 563,149 SH   SOLE   535,111 0 28,038
ARES DYNAMIC CR ALLOCATION F COM 04014F102 4,460 413,376 SH   SOLE   409,017 0 4,359
AVIS BUDGET GROUP COM 053774105 1,155 83,106 SH   SOLE   83,106 0 0
BARINGS GLOBAL SHORT DURATIO COM 06760L100 2,048 183,967 SH   SOLE   179,491 0 4,476
BEAZER HOMES USA INC COM NEW 07556Q881 2,321 360,420 SH   SOLE   360,420 0 0
BLACKROCK CALIF MUN INCOME T SH BEN INT 09248E102 14,626 1,152,553 SH   SOLE   1,091,989 0 60,564
BLACKROCK DEBT STRATEGIES FD COM NEW 09255R202 12,009 1,421,179 SH   SOLE   1,363,588 0 57,591
BLACKROCK FLOATING RATE INCO COM 09255X100 26,737 2,671,028 SH   SOLE   2,618,335 0 52,693
BLACKROCK FLOATING RATE INCO COM 091941104 8,629 879,611 SH   SOLE   847,682 0 31,929
BLACKROCK LTD DURATION INC T COM SHS 09249W101 11,149 883,469 SH   SOLE   871,379 0 12,090
BLACKROCK MULTI-SECTOR INC T COM 09258A107 9,934 823,043 SH   SOLE   787,232 0 35,811
BLACKROCK MUNI N Y INTER DUR COM 09255F109 7,650 522,205 SH   SOLE   521,512 0 693
BLACKROCK MUNIHLDGS NJ QLTY COM 09254X101 7,571 574,018 SH   SOLE   574,018 0 0
BLACKROCK MUNIHLDGS NY QLTY COM 09255C106 13,007 1,032,341 SH   SOLE   1,008,944 0 23,397
BLACKROCK MUNIHLDNGS CALI QL COM 09254L107 12,396 929,896 SH   SOLE   929,896 0 0
BLACKROCK MUNIYIELD CALIF FD COM 09254M105 387 29,225 SH   SOLE   29,225 0 0
BLACKROCK MUNIYIELD NY QLTY COM 09255E102 1,062 86,814 SH   SOLE   86,814 0 0
BLACKROCK MUNIYIELD PA QLTY COM 09255G107 5,177 385,776 SH   SOLE   385,776 0 0
BLACKROCK MUNIYIELD QLTY FD COM 09254E103 7,408 579,656 SH   SOLE   579,656 0 0
BLACKROCK MUNIYLD MICH QLTY COM 09254V105 8,346 629,913 SH   SOLE   616,568 0 13,345
BLACKROCK NY MUNI INC QLTY T COM 09249U105 1,931 154,503 SH   SOLE   149,925 0 4,578
BLACKROCK NY MUNICIPAL BOND COM 09249P106 5,239 373,391 SH   SOLE   357,481 0 15,910
BLACKSTONE GSO FLTING RTE FU COM 09256U105 1,507 128,371 SH   SOLE   121,963 0 6,408
BLACKSTONE GSO LNG SHRT CR I COM SHS BN INT 09257D102 4,375 415,068 SH   SOLE   405,704 0 9,364
BLACKSTONE GSO STRATEGIC CR COM SHS BEN IN 09257R101 16,365 1,572,029 SH   SOLE   1,486,843 0 85,186
BNY MELLON HIGH YIELD STRATE SH BEN INT 09660L105 3,303 1,455,172 SH   SOLE   1,436,437 0 18,735
BRANDYWINEGBL GLBAL INM OPRT COM 10537L104 12,294 1,166,380 SH   SOLE   1,024,999 0 141,381
BROOKFIELD REAL ASSETS INCOM SHS BEN INT 112830104 7,069 481,540 SH   SOLE   473,836 0 7,704
CHARTER COMMUNICATIONS INC N CL A 16119P108 81,983 187,900 SH Put SOLE   187,900 0 0
CHARTER COMMUNICATIONS INC N CL A 16119P108 6,888 15,786 SH   SOLE   15,786 0 0
CITIC CAPITAL ACQUISITION CO UNIT 99/99/9999 G21513125 110 11,070 SH   SOLE   11,070 0 0
CLEVELAND CLIFFS INC COM 185899101 6,095 1,543,000 SH Put SOLE   1,543,000 0 0
CLEVELAND CLIFFS INC COM 185899101 2,065 522,800 SH   SOLE   522,800 0 0
CNX MIDSTREAM PARTNERS LP COM UNIT REPST 12654A101 3,897 481,200 SH Put SOLE   481,200 0 0
CNX RESOURCES CORPORATION COM 12653C108 31,371 5,896,700 SH Put SOLE   5,896,700 0 0
CNX RESOURCES CORPORATION COM 12653C108 4,414 829,642 SH   SOLE   829,642 0 0
COMMUNITY HEALTH SYS INC NEW COM 203668108 5,713 1,710,545 SH   SOLE   1,710,545 0 0
CREDIT SUISSE ASSET MGMT INC COM 224916106 1,874 783,964 SH   SOLE   766,626 0 17,338
CREDIT SUISSE HIGH YLD BND F SH BEN INT 22544F103 3,657 1,998,202 SH   SOLE   1,935,179 0 63,023
DELAWARE INVTS MINN MUN INCO COM 24610V103 3,178 256,946 SH   SOLE   256,946 0 0
DFP HEALTHCARE ACQUISITNS CO UNIT 03/31/2025 23343Q209 2,043 207,458 SH   SOLE   207,458 0 0
DIAMONDPEAK HLDGS COR COM CL A 25280H100 2,092 201,175 SH   SOLE   201,175 0 0
DIVIDEND & INCOME FUND COM NEW 25538A204 3,017 343,204 SH   SOLE   343,204 0 0
DONNELLEY R R & SONS CO COM 257867200 4,527 4,723,003 SH   SOLE   4,723,003 0 0
EATON VANCE CALIF MUN BD FD COM 27828A100 5,224 495,173 SH   SOLE   492,438 0 2,735
EATON VANCE FLTG RATE INCOM COM SHS BEN INT 278284104 19,923 1,713,049 SH   SOLE   1,665,559 0 47,490
EATON VANCE FLTING RATE INC COM 278279104 17,903 1,746,602 SH   SOLE   1,723,976 0 22,626
EATON VANCE LTD DUR INCOME F COM 27828H105 66,334 6,275,718 SH   SOLE   6,128,678 0 147,040
EATON VANCE NEW YORK MUN BD COM 27827Y109 458 39,587 SH   SOLE   39,057 0 530
EATON VANCE NY MUNI INCOME T SH BEN INT 27826W104 2,140 172,586 SH   SOLE   172,586 0 0
EATON VANCE SR FLTNG RTE TR COM 27828Q105 15,227 1,541,223 SH   SOLE   1,493,421 0 47,802
EATON VANCE SR INCOME TR SH BEN INT 27826S103 12,330 2,674,715 SH   SOLE   2,544,683 0 130,032
ELLSWORTH GROWTH & INCOME FD COM 289074106 86 10,000 SH   SOLE   10,000 0 0
FIRST TR HIGH INCOME L/S FD COM 33738E109 32,438 2,665,400 SH   SOLE   2,555,048 0 110,352
FIRST TR SR FLG RTE INCM FD COM 33733U108 18,025 1,895,399 SH   SOLE   1,769,689 0 125,710
FIRST TR/ABERDEEN EMERG OPT COM 33731K102 106 10,732 SH   SOLE   10,732 0 0
FRANKLIN LTD DURATION INCOME COM 35472T101 426 54,276 SH   SOLE   52,525 0 1,751
GENERAL AMERN INVS INC COM 368802104 11,996 437,323 SH   SOLE   437,323 0 0
HANCOCK JOHN INVS TR COM 410142103 498 39,621 SH   SOLE   39,621 0 0
HERBALIFE NUTRITION LTD COM SHS G4412G101 12,571 431,100 SH Put SOLE   431,100 0 0
HERBALIFE NUTRITION LTD COM SHS G4412G101 2,064 70,777 SH   SOLE   70,777 0 0
HOSTESS BRANDS INC *W EXP 11/04/202 44109J114 103 181,293 SH   SOLE   181,293 0 0
INVESCO DYNAMIC CR OPPORTUNI COM 46132R104 41,654 5,219,785 SH   SOLE   4,944,025 0 275,760
INVESCO HIGH INCOME 2024 TAR COM 46136K105 107 14,546 SH   SOLE   14,296 0 250
INVESCO HIGH INCOME TR II COM 46131F101 2,793 260,825 SH   SOLE   242,264 0 18,561
INVESCO SR INCOME TR COM 46131H107 36,626 11,374,540 SH   SOLE   9,931,675 0 1,442,865
ISHARES TR IBOXX HI YD ETF 464288513 308,280 4,000,000 SH Put SOLE   4,000,000 0 0
ISHARES TR IBOXX HI YD ETF 464288513 369 4,790 SH   SOLE   4,790 0 0
IVY HIGH INCOME OPPORTUNITIE COM 465893105 5,235 503,407 SH   SOLE   495,015 0 8,392
KB HOME COM 48666K109 5,757 318,072 SH   SOLE   318,072 0 0
KKR INCOME OPPORTUNITIES FD COM 48249T106 7,779 729,762 SH   SOLE   705,012 0 24,750
L BRANDS INC COM 501797104 2,139 185,000 SH Put SOLE   185,000 0 0
L BRANDS INC COM 501797104 890 77,032 SH   SOLE   77,032 0 0
MEDNAX INC COM 58502B106 625 53,700 SH Put SOLE   53,700 0 0
MEDNAX INC COM 58502B106 224 19,233 SH   SOLE   19,233 0 0
MFS CHARTER INCOME TR SH BEN INT 552727109 1,814 245,185 SH   SOLE   245,185 0 0
MFS MULTIMARKET INCOME TR SH BEN INT 552737108 2,302 457,692 SH   SOLE   457,692 0 0
MORGAN STANLEY EMER MKTS DEB COM 61744H105 1,558 203,612 SH   SOLE   199,053 0 4,559
NEUBERGER BERMAN HIGH YIELD COM 64128C106 37,276 4,294,509 SH   SOLE   3,842,194 0 452,315
NEUBERGER BRMAN CLIFRN MUNI COM 64123C101 868 65,982 SH   SOLE   65,982 0 0
NEUBERGER BRMAN NY MUNI FD I COM 64124K102 1,910 165,093 SH   SOLE   158,569 0 6,524
NEW AMER HIGH INCOME FD INC COM NEW 641876800 9,890 1,425,001 SH   SOLE   1,406,646 0 18,355
NGL ENERGY PARTNERS LP COM UNIT REPST 62913M107 11,440 4,399,700 SH Put SOLE   4,399,700 0 0
NUVEEN ARIZONA QLTY MUN INC COM 67061W104 143 11,560 SH   SOLE   11,560 0 0
NUVEEN CR STRATEGIES INCOME COM SHS 67073D102 28,762 5,072,582 SH   SOLE   4,897,137 0 175,445
NUVEEN FLOATING RATE INCOME COM 67072T108 21,164 2,803,197 SH   SOLE   2,715,202 0 87,995
NUVEEN FLTNG RTE INCM OPP FD COM SHS 6706EN100 12,486 1,680,440 SH   SOLE   1,640,620 0 39,820
NUVEEN GEORGIA QLTY MUN INC COM 67072B107 5,822 490,044 SH   SOLE   481,438 0 8,606
NUVEEN GLOBAL HIGH INCOME FD SHS 67075G103 19,394 1,734,745 SH   SOLE   1,665,707 0 69,038
NUVEEN MARYLAND QLT MUN INC COM 67061Q107 9,290 735,534 SH   SOLE   735,534 0 0
NUVEEN MICHIGAN QLT MUN INC COM 670979103 15,506 1,155,438 SH   SOLE   1,155,438 0 0
NUVEEN NEW JERSEY MUN VALUE SHS 670702109 130 10,169 SH   SOLE   10,169 0 0
NUVEEN NEW JERSEY QULT MUN F COM 67069Y102 9,805 729,536 SH   SOLE   729,536 0 0
NUVEEN NEW YORK AMT QLT MUNI COM 670656107 22,077 1,766,193 SH   SOLE   1,760,917 0 5,276
NUVEEN OHIO QLTY MUN INCOME COM 670980101 21,836 1,482,385 SH   SOLE   1,392,213 0 90,172
NUVEEN PENNSYLVANIA QLT MUN COM 670972108 26,159 1,965,337 SH   SOLE   1,965,337 0 0
NUVEEN SHT DUR CR OPP FD COM 67074X107 5,483 503,962 SH   SOLE   487,473 0 16,489
NUVEEN SR INCOME FD COM 67067Y104 7,169 1,621,869 SH   SOLE   1,586,684 0 35,185
OCEANEERING INTL INC COM 675232102 356 121,105 SH   SOLE   121,105 0 0
PGIM GLOBAL HIGH YIELD FD FO COM 69346J106 34,236 3,095,445 SH   SOLE   2,958,007 0 137,438
PGIM HIGH YIELD BOND FUND IN COM 69346H100 23,895 2,063,512 SH   SOLE   2,017,033 0 46,479
PIONEER DIVERSIFIED HIGH INC COM 723653101 105 10,000 SH   SOLE   10,000 0 0
PIONEER FLOATING RATE TR COM 72369J102 22,606 2,955,011 SH   SOLE   2,739,179 0 215,832
PIONEER HIGH INCOME TR COM 72369H106 6,121 953,353 SH   SOLE   940,336 0 13,017
POST HLDGS INC COM 737446104 19,523 235,300 SH Put SOLE   235,300 0 0
POST HLDGS INC COM 737446104 1,003 12,090 SH   SOLE   12,090 0 0
RIVERNORTH / DOUBLELINE STRA COM 76882G107 1,045 81,643 SH   SOLE   81,643 0 0
ROYCE GLOBAL VALUE TR INC COM 78081T104 7,179 892,940 SH   SOLE   785,511 0 107,429
SABRE CORP COM 78573M104 1,767 298,054 SH   SOLE   298,054 0 0
SEADRILL LTD COM G7998G106 284 661,204 SH   SOLE   661,204 0 0
SOURCE CAP INC COM 836144105 5,465 178,066 SH   SOLE   177,758 0 308
STANDARD DIVERSIFIED INC COM CL A 85336L109 519 47,569 SH   SOLE   47,569 0 0
TCW STRATEGIC INCOME FD INC COM 872340104 94 18,198 SH   SOLE   18,198 0 0
TEMPLETON GLOBAL INCOME FD COM 880198106 6,481 1,211,436 SH   SOLE   1,211,436 0 0
THL CR SR LN FD COM 87244R103 4,576 395,890 SH   SOLE   373,594 0 22,296
TRANSDIGM GROUP INC COM 893641100 10,823 33,800 SH Put SOLE   33,800 0 0
TRANSDIGM GROUP INC COM 893641100 1,740 5,433 SH   SOLE   5,433 0 0
TRANSOCEAN LTD REG SHS H8817H100 11,329 9,766,900 SH Put SOLE   9,766,900 0 0
TRANSOCEAN LTD REG SHS H8817H100 2,420 2,086,611 SH   SOLE   2,086,611 0 0
UBER TECHNOLOGIES INC COM 90353T100 3,258 116,700 SH Put SOLE   116,700 0 0
UBER TECHNOLOGIES INC COM 90353T100 1,319 47,227 SH   SOLE   47,227 0 0
UNITED NAT FOODS INC COM 911163103 862 93,871 SH   SOLE   93,871 0 0
UNITED STATES STL CORP NEW COM 912909108 26,543 4,206,600 SH Put SOLE   4,206,600 0 0
USA COMPRESSION PARTNERS LP COMUNIT LTDPAR 90290N109 143 25,400 SH Put SOLE   25,400 0 0
VANECK VECTORS ETF TR HIGH YLD MUN ETF 92189H409 21,636 414,006 SH   SOLE   414,006 0 0
VERTICAL CAP INCOME FD SHS BEN INT 92535C104 1,260 150,307 SH   SOLE   150,307 0 0
VIRTUS GLOBAL MULTI-SEC INC COM 92829B101 1,240 128,486 SH   SOLE   126,474 0 2,012
VOYA PRIME RATE TR SH BEN INT 92913A100 132,778 35,789,338 SH   SOLE   35,110,860 0 678,478
WELLS FARGO INCOME OPPORTUNI WF INC OPPTY FD 94987B105 15,458 2,422,908 SH   SOLE   2,360,414 0 62,494
WELLS FARGO MULTI SECTOR INC COM 94987D101 5,623 583,943 SH   SOLE   568,352 0 15,591
WESTERN ASSET CORPORATE LN F COM 95790J102 5,056 712,073 SH   SOLE   701,989 0 10,084
WESTERN ASSET EMERGING MKTS COM 95766A101 11,528 1,094,757 SH   SOLE   1,055,780 0 38,977
WESTERN ASSET GLOBAL HIGH IN COM 95766B109 62,468 8,351,378 SH   SOLE   7,702,168 0 649,210
WESTERN ASSET HIGH INCM FD I COM 95766J102 37,345 7,454,061 SH   SOLE   7,013,483 0 440,578
WESTERN ASSET HIGH INCM OPP COM 95766K109 54,362 12,912,550 SH   SOLE   11,769,028 0 1,143,522
YPF SOCIEDAD ANONIMA SPON ADR CL D 984245100 9,009 2,160,341 SH   SOLE   2,160,341 0 0
YPF SOCIEDAD ANONIMA SPON ADR CL D 984245100 39,584 9,492,500 SH Put SOLE   9,492,500 0 0
YUNHONG INTL UNIT 99/99/9999 G98882114 2,668 275,000 SH   SOLE   275,000 0 0