Mariner Investment 13F-HR Quarterly holdings report by institutional manager

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

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OMB Number:		3235-0006
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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
ALLIANCEBERNSTEIN NATL MUNI	COM	01864U106	259	20,000	SH		DFND	1 2	20,000	0	0
AMARIN CORP PLC	SPONS ADR NEW	023111206	15	20,000	SH	Call	DFND	1 2	20,000	0	0
APOLLO TACTICAL INCOME FD IN	COM	037638103	588	40,000	SH		DFND	1 2	40,000	0	0
AVAYA HLDGS CORP	COM	05351X101	1,971	117,098	SH		DFND	1 2	117,098	0	0
BARINGS BDC INC	COM	06759L103	736	75,000	SH		DFND	1 2	75,000	0	0
BLACKROCK CALIF MUN INCOME T	SH BEN INT	09248E102	672	52,355	SH		DFND	1 2	52,355	0	0
BLACKROCK FLOAT RATE OME STR	COM	09255X100	1,977	158,158	SH		DFND	1 2	158,158	0	0
BLACKROCK FLOATING RATE INCO	COM	091941104	1,608	131,668	SH		DFND	1 2	131,668	0	0
BLACKROCK MUN 2030 TAR TERM	COM SHS BEN IN	09257P105	1,557	70,000	SH		DFND	1 2	70,000	0	0
BLACKROCK MUN INCOME TR	SH BEN INT	09248F109	1,179	87,451	SH		DFND	1 2	87,451	0	0
BLACKROCK MUNI INTER DR FD I	COM	09253X102	312	22,612	SH		DFND	1 2	22,612	0	0
BLACKROCK MUNICIPL INC QLTY	COM	092479104	201	14,976	SH		DFND	1 2	14,976	0	0
BLACKROCK MUNIENHANCED FD IN	COM	09253Y100	135	12,652	SH		DFND	1 2	12,652	0	0
BLACKROCK MUNIHLDGS NY QLTY	COM	09255C106	206	15,914	SH		DFND	1 2	15,914	0	0
BLACKROCK MUNIHLDNGS CALI QL	COM	09254L107	2,504	188,974	SH		DFND	1 2	188,974	0	0
BLACKROCK MUNIHLDNGS QLTY II	COM	09254C107	463	37,633	SH		DFND	1 2	37,633	0	0
BLACKROCK MUNIHLDS INVSTM QL	COM	09254P108	1,216	94,146	SH		DFND	1 2	94,146	0	0
BLACKROCK MUNIVEST FD INC	COM	09253R105	450	50,000	SH		DFND	1 2	50,000	0	0
BLACKROCK MUNIYIELD CALI QLT	COM	09254N103	1,843	136,771	SH		DFND	1 2	136,771	0	0
BLACKROCK MUNIYIELD N J FD I	COM	09254Y109	1,536	106,538	SH		DFND	1 2	106,538	0	0
BLACKROCK MUNIYIELD NY QLTY	COM	09255E102	1,485	120,611	SH		DFND	1 2	120,611	0	0
BLACKROCK MUNIYIELD PA QLTY	COM	09255G107	338	24,860	SH		DFND	1 2	24,860	0	0
BLACKROCK MUNIYIELD QLTY FD	COM	09254E103	1,841	142,404	SH		DFND	1 2	142,404	0	0
BLACKROCK N Y MUN INCOME TR	SH BEN INT	09248L106	196	15,000	SH		DFND	1 2	15,000	0	0
BROOKFIELD REAL ASSETS INCOM	SHS BEN INT	112830104	1,442	66,693	SH		DFND	1 2	66,693	0	0
COLONY CAP INC NEW	CL A COM	19626G108	133	25,000	SH		DFND	1 2	25,000	0	0
CORNERSTONE STRATEGIC VALUE	COM	21924B302	1,730	142,000	SH		DFND	1 2	142,000	0	0
CORNERSTONE TOTAL RTRN FD IN	COM	21924U300	1,439	120,000	SH		DFND	1 2	120,000	0	0
DELAWARE INV MN MUN INC FD I	COM	24610V103	1,474	116,646	SH		DFND	1 2	116,646	0	0
DWS MUN INCOME TR NEW	COM	233368109	5,045	457,801	SH		DFND	1 2	457,801	0	0
EATON VANCE CALIF MUN BD FD	COM	27828A100	1,086	102,932	SH		DFND	1 2	102,932	0	0
EATON VANCE FLTG RATE INCOM	COM SHS BEN INT	278284104	884	59,682	SH		DFND	1 2	59,682	0	0
EATON VANCE FLTING RATE INC	COM	278279104	892	67,602	SH		DFND	1 2	67,602	0	0
EATON VANCE LTD DUR INCOME F	COM	27828H105	1,075	85,000	SH		DFND	1 2	85,000	0	0
EATON VANCE MUNI INCOME TRUS	SH BEN INT	27826U108	2,886	236,526	SH		DFND	1 2	236,526	0	0
EATON VANCE SR FLTNG RTE TR	COM	27828Q105	880	67,579	SH		DFND	1 2	67,579	0	0
EATON VANCE SR INCOME TR	SH BEN INT	27826S103	1,013	164,853	SH		DFND	1 2	164,853	0	0
EATON VANCE TAX MNGD BUY WRI	COM SH BEN INT	27829M103	2,166	233,947	SH		DFND	1 2	233,947	0	0
EATON VANCE TXMGD GL BUYWR O	COM	27829C105	508	52,027	SH		DFND	1 2	52,027	0	0
EL POLLO LOCO HLDGS INC	COM	268603107	9	10,000	SH	Put	DFND	1 2	10,000	0	0
FEDERATED PREM MUN INC FD	COM	31423P108	645	48,027	SH		DFND	1 2	48,027	0	0
FIRST TR SR FLG RTE INCM FD	COM	33733U108	342	28,964	SH		DFND	1 2	28,964	0	0
FIRST TR SR FLOATING RATE 20	COM SHS	33740K101	600	68,595	SH		DFND	1 2	68,595	0	0
FS KKR CAPITAL CORP	COM	302635107	364	60,000	SH		DFND	1 2	60,000	0	0
HALCON RES CORP	*W EXP 09/09/202	40537Q118	0	11,671	SH		DFND	1 2	11,671	0	0
INVESCO ADVANTAGE MUNICIPAL	SH BEN INT	46132E103	702	65,165	SH		DFND	1 2	65,165	0	0
INVESCO DYNAMIC CR OPP FD	COM	46132R104	1,058	97,524	SH		DFND	1 2	97,524	0	0
INVESCO MUN OPPORTUNITY TR	COM	46132C107	935	78,351	SH		DFND	1 2	78,351	0	0
INVESCO PA VALUE MUN INCOME	COM	46132K109	475	38,095	SH		DFND	1 2	38,095	0	0
INVESCO SR INCOME TR	COM	46131H107	229	55,000	SH		DFND	1 2	55,000	0	0
ISHARES TR	IBOXX HI YD ETF	464288513	5	200,000	SH	Call	DFND	1 2	200,000	0	0
ISHARES TR	IBOXX HI YD ETF	464288513	5	108,000	SH	Put	DFND	1 2	108,000	0	0
IVY HIGH INC OPPORTUNITIES F	COM	465893105	551	40,728	SH		DFND	1 2	40,728	0	0
NEUBERGER BRMAN CLIFRN MUNI	COM	64123C101	408	31,302	SH		DFND	1 2	31,302	0	0
NUVEEN ARIZONA QLTY MUN INC	COM	67061W104	225	17,551	SH		DFND	1 2	17,551	0	0
NUVEEN CALIFORNIA AMT QLT MU	COM	670651108	1,413	101,536	SH		DFND	1 2	101,536	0	0
NUVEEN CR STRATEGIES INCM FD	COM SHS	67073D102	5,699	737,349	SH		DFND	1 2	737,349	0	0
NUVEEN FLOATING RATE INCOME	COM	67072T108	998	103,600	SH		DFND	1 2	103,600	0	0
NUVEEN FLTNG RTE INCM OPP FD	COM SHS	6706EN100	1,953	203,683	SH		DFND	1 2	203,683	0	0
NUVEEN GEORGIA QLTY MUN INC	COM	67072B107	568	47,645	SH		DFND	1 2	47,645	0	0
NUVEEN MINESOTA QLT MUN INC	SHS	670734102	582	43,426	SH		DFND	1 2	43,426	0	0
NUVEEN MUN INCOME FD INC	COM	67062J102	139	12,798	SH		DFND	1 2	12,798	0	0
NUVEEN NEW YORK AMT QLT MUNI	COM	670656107	359	28,265	SH		DFND	1 2	28,265	0	0
NUVEEN NORTH CAROLINA QLTY M	COM	67060P100	286	22,360	SH		DFND	1 2	22,360	0	0
NUVEEN SR INCOME FD	COM	67067Y104	1,490	256,900	SH		DFND	1 2	256,900	0	0
NUVEEN TEXAS QLTY MUN INCME	COM	670983105	803	60,095	SH		DFND	1 2	60,095	0	0
OAKTREE SPECIALTY LENDING CO	COM	67401P108	278	53,659	SH		DFND	1 2	53,659	0	0
OHR PHARMACEUTICAL INC	COM	67778H309	55	24,397	SH		DFND	1 2	24,397	0	0
PGIM GLOBAL HIGH YIELD FD IN	COM	69346J106	976	70,000	SH		DFND	1 2	70,000	0	0
PIONEER FLOATING RATE TR	COM	72369J102	231	22,189	SH		DFND	1 2	22,189	0	0
RIVERNORTH OPPRTUNITIES FD I	COM	76881Y109	202	12,251	SH		DFND	1 2	12,251	0	0
SAN JUAN BASIN RTY TR	UNIT BEN INT	798241105	78	14,500	SH		DFND	1 2	14,500	0	0
SMART SAND INC	COM	83191H107	138	31,000	SH		DFND	1 2	31,000	0	0
TESLA INC	COM	88160R101	88	24,500	SH	Put	DFND	1 2	24,500	0	0
UBS AG LONDON BRH	ETRACS MTH2XRE	90269A302	592	39,148	SH		DFND	1 2	39,148	0	0
UBS AG LONDON BRH	ETRACS MTH 2XLV	90270L842	1,649	116,511	SH		DFND	1 2	116,511	0	0
URBAN ONE INC	CL D NON VTG	91705J204	414	207,114	SH		DFND	1 2	207,114	0	0
VIRTUS GLOBAL MULTI-SEC INC	COM	92829B101	798	65,127	SH		DFND	1 2	65,127	0	0
VOYA PRIME RATE TR	SH BEN INT	92913A100	716	149,715	SH		DFND	1 2	149,715	0	0
WESTERN ASSET CORPORATE LN F	COM	95790J102	704	74,296	SH		DFND	1 2	74,296	0	0
WESTERN ASSET INTM MUNI FD I	COM	958435109	358	40,582	SH		DFND	1 2	40,582	0	0