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

OMB APPROVAL

OMB Number:		3235-0006
Expires:	Oct 31, 2018
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
890 5TH AVE PARTNERS INC	COM CL A	28250A105	197	20,000	SH		DFND		20,000	0	0
ACCELERATE ACQUISITION CORP	UNIT 99/99/9999	00439D201	229	22,670	SH		DFND		22,670	0	0
ADIT EDTECH ACQUISITION CORP	UNIT 99/99/9999	007024201	139	13,900	SH		DFND		13,900	0	0
AF ACQUISITION CORP	UNIT 03/23/2028	001040203	404	40,601	SH		DFND		40,601	0	0
AGILE GROWTH CORP	UNIT 03/09/2026	G01202129	199	20,000	SH		DFND		20,000	0	0
ALUSSA ENERGY ACQUISITION CO	SHS CL A	G0232J101	198	20,000	SH		DFND		20,000	0	0
AMERICAN AIRLS GROUP INC	COM	02376R102	1	100,000	SH	Put	DFND		100,000	0	0
ARCHIMEDES TECH SPAC PARTNR	UNIT 03/10/2026	039562202	398	40,099	SH		DFND		40,099	0	0
ARES ACQUISITION CORPORATION	COM CL A	G33032106	188	19,322	SH		DFND		19,322	0	0
ARK ETF TR	INNOVATION ETF	00214Q104	8	20,000	SH	Put	DFND		20,000	0	0
ASA GOLD AND PRECIOUS MTLS L	SHS	G3156P103	421	19,535	SH		DFND		19,535	0	0
ATHENA TECHNOLOGY ACQUISI CO	UNIT 99/99/9999	04687A208	202	20,300	SH		DFND		20,300	0	0
ATI PHYSICAL THERAPY INC	COM CL A	00216W109	95	10,000	SH		DFND		10,000	0	0
ATLANTIC COASTAL ACQUISTN CO	UNIT 03/02/2026	048453203	584	58,718	SH		DFND		58,718	0	0
AVAYA HLDGS CORP	NOTE 2.250% 6/1	05351XAB7	5,417	4,640,000	PRN		DFND		4,640,000	0	0
AVIS BUDGET GROUP	COM	053774105	473	150,000	SH	Call	DFND		150,000	0	0
BITE ACQUISITION CORP	UNIT 99/99/9999	09175K204	158	15,883	SH		DFND		15,883	0	0
BLACKROCK DEBT STRATEGIES FD	COM NEW	09255R202	121	10,529	SH		DFND		10,529	0	0
BLACKROCK FLOATING RATE INCO	COM	09255X100	464	35,000	SH		DFND		35,000	0	0
BLACKSTONE STRATEGIC CREDIT	COM SHS BEN IN	09257R101	532	38,177	SH		DFND		38,177	0	0
BLUE OWL CAPITAL INC	COM CL A	09581B103	384	29,800	SH		DFND		29,800	0	0
BOA ACQUISITION CORP	UNIT 99/99/9999	05601A208	302	30,510	SH		DFND		30,510	0	0
BRIDGETOWN 2 HOLDINGS LTD	CL A	G1355V103	102	10,000	SH		DFND		10,000	0	0
BROADSTONE ACQUISITION CORP	SHS CL A	G1739V100	652	65,973	SH		DFND		65,973	0	0
BUILD ACQUISITION CORP	UNIT 99/99/9999	12008J204	360	36,154	SH		DFND		36,154	0	0
CAPITALA FIN CORP	COM NEW	14054R502	1,007	40,500	SH		DFND		40,500	0	0
CAPSTAR SPL PURP ACQUISITION	COM CL A	14070Y101	196	20,000	SH		DFND		20,000	0	0
CARTESIAN GROWTH CORP	UNIT 02/26/2028	G19276123	160	16,000	SH		DFND		16,000	0	0
CC NEUBERGER PRIN HLDGS II	SHS CL A	G3166T103	165	16,684	SH		DFND		16,684	0	0
CENTER COAST BRKFLD MLP ENRG	SHS BEN INT	151461209	269	20,162	SH		DFND		20,162	0	0
CENTRICUS ACQUISITION CORP	CL A SHS	G2072Q104	223	22,500	SH		DFND		22,500	0	0
COHN ROBBINS HOLDINGS CORP	COM CL A	G23726105	591	60,000	SH		DFND		60,000	0	0
CONSTELLATION ACQUISITN CORP	UNIT 99/99/9999	G2R18K121	100	10,000	SH		DFND		10,000	0	0
CORAZON CAPITAL V838 MONOCER	UNIT 03/24/2026	G24237110	144	14,408	SH		DFND		14,408	0	0
COVA ACQUISITION CORP	CL A SHS	G2554Y104	103	10,655	SH		DFND		10,655	0	0
CROWN PROPTECH ACQUISITIONS	UNIT 99/99/9999	G25741128	458	46,100	SH		DFND		46,100	0	0
CUSHING MLP & INFRASTRUCT	COM NEW	231631300	233	7,900	SH		DFND		7,900	0	0
D AND Z MEDIA ACQUISITION CO	COM CL A	23305Q106	169	17,400	SH		DFND		17,400	0	0
D8 HOLDINGS CORP	SHS CL A	G2614K110	299	30,000	SH		DFND		30,000	0	0
DD3 ACQUISITION CORP II	COM CL A	23318M100	99	10,000	SH		DFND		10,000	0	0
DECARBONIZATION PLUS ACQU II	CLASS A COM	24279D105	104	10,000	SH		DFND		10,000	0	0
DELAWARE ENHANCED GLOBAL DIV	COM	246060107	696	64,916	SH		DFND		64,916	0	0
DISRUPTIVE ACQUISITION CORP	UNIT 03/06/2026	G2770Y110	281	28,166	SH		DFND		28,166	0	0
DOUBLELINE YIELD OPPORTUNITI	COM	25862D105	429	21,469	SH		DFND		21,469	0	0
EAST RES ACQUISITION CO	COM CL A	274681105	202	20,705	SH		DFND		20,705	0	0
EQ HEALTH ACQUISITION CORP	UNIT 02/02/2028	26886A200	154	15,404	SH		DFND		15,404	0	0
EVO ACQUISITION CORP	UNIT 99/99/9999	30052G207	291	28,900	SH		DFND		28,900	0	0
EXPEDIA GROUP INC	COM NEW	30212P303	2	10,000	SH	Put	DFND		10,000	0	0
EXXON MOBIL CORP	COM	30231G102	3	30,000	SH	Put	DFND		30,000	0	0
FAR PEAK ACQUISITION CORP	SHS CL A	G3312L103	149	15,000	SH		DFND		15,000	0	0
FIRST TR ENERGY INFRASTRCTR	COM	33738C103	295	21,618	SH		DFND		21,618	0	0
FIRST TR SPECIALTY FIN & FIN	COM BEN INTR	33733G109	229	56,667	SH		DFND		56,667	0	0
FLAME ACQUISITION CORP	COM CL A	33850F108	97	10,000	SH		DFND		10,000	0	0
GAMCO NAT RES GOLD & INCOME	SH BEN INT	36465E101	895	163,627	SH		DFND		163,627	0	0
GDL FD	COM SH BEN IT	361570104	2,281	251,502	SH		DFND		251,502	0	0
GIGCAPITAL4 INC	COM	37518G101	502	50,953	SH		DFND		50,953	0	0
GO ACQUISITION CORP	COM	362019101	151	15,419	SH		DFND		15,419	0	0
GOAL ACQUISITIONS CORP	COM	38021H107	193	20,014	SH		DFND		20,014	0	0
GOLDEN ARROW MERGER CORP	UNIT 07/31/2026	380799205	696	70,000	SH		DFND		70,000	0	0
GOLDMAN SACHS MLP ENERGY REN	COM	38148G206	242	21,100	SH		DFND		21,100	0	0
GORES GUGGENHEIM INC	UNIT 03/25/2028	38286Q206	198	19,733	SH		DFND		19,733	0	0
GROWTH CAP ACQUISITION CORP	UNIT 06/01/2027	39986V206	511	51,040	SH		DFND		51,040	0	0
GX ACQUISITION CORP II	UNIT 03/17/2026	36260F204	100	10,000	SH		DFND		10,000	0	0
HAYMAKER ACQUISITION CORP II	UNIT 03/01/2026	42087R207	193	19,236	SH		DFND		19,236	0	0
IG ACQUISITION CORP	COM CL A	449534106	292	30,000	SH		DFND		30,000	0	0
INNOVATIVE INDL PPTYS INC	COM	45781V101	16	50,000	SH	Put	DFND		50,000	0	0
IRON SPARK I INC	CLASS A COM	46301G103	549	55,000	SH		DFND		55,000	0	0
KAYNE ANDERSON NEXTGEN ENRGY	COM	48661E108	98	13,000	SH		DFND		13,000	0	0
KHOSLA VENTURES ACQUISITION	CL A	482504107	395	39,900	SH		DFND		39,900	0	0
KISMET ACQUISITION TWO CORP	UNIT 99/99/9999	G52807123	298	30,000	SH		DFND		30,000	0	0
LEFTERIS ACQUISITION CORP	COM CL A	52470X109	190	19,488	SH		DFND		19,488	0	0
LOCUST WALK ACQUISITION CORP	COM CL A	54015L103	898	90,829	SH		DFND		90,829	0	0
MAGNUM OPUS ACQUISITION LTD	UNIT 06/03/2026	G5S70A120	200	20,000	SH		DFND		20,000	0	0
MARLIN TECHNOLOGY CORP	UNIT 99/99/9999	G58411128	178	17,650	SH		DFND		17,650	0	0
MASON INDUSTRIAL TECHNOLGY I	UNIT 99/99/9999	57520Y205	137	13,613	SH		DFND		13,613	0	0
MILLER HOWARD HIGH INC EQTY	COM SHS BEN IN	600379101	201	19,211	SH		DFND		19,211	0	0
NAVSIGHT HLDGS INC	CL A	639358100	201	20,150	SH		DFND		20,150	0	0
NEUBERGER BERMAN MLP & ENERG	COM	64129H104	219	43,825	SH		DFND		43,825	0	0
NEWBURY STREET ACQUISITN COR	UNIT 04/30/2028	65101L203	248	24,826	SH		DFND		24,826	0	0
NEXPOINT STRATEGIC OPPORTES	COM NEW	65340G205	882	64,068	SH		DFND		64,068	0	0
NEXTGEN ACQUISITION CORP II	UNIT 03/23/2026	G65317110	328	30,367	SH		DFND		30,367	0	0
NUVEEN DIVERSIFIED DIVID & I	COM	6706EP105	503	48,328	SH		DFND		48,328	0	0
NUVEEN FLOATING RATE INCOME	COM	67072T108	1,262	125,986	SH		DFND		125,986	0	0
NUVEEN FLOATING RATE INCOME	COM SHS	6706EN100	1,265	129,585	SH		DFND		129,585	0	0
NUVEEN SHORT DURATION CR OPP	COM	67074X107	366	24,395	SH		DFND		24,395	0	0
NUVEEN SR INCOME FD	COM	67067Y104	629	106,376	SH		DFND		106,376	0	0
OYSTER ENTERPRISES ACQ CORP	UNIT 01/20/2026	69242M203	331	33,192	SH		DFND		33,192	0	0
PIMCO ENERGY & TACTICAL CR O	COM SHS BEN INT	69346N107	770	61,562	SH		DFND		61,562	0	0
PIONEER FLOATING RATE FUND I	COM	72369J102	252	21,100	SH		DFND		21,100	0	0
POWER REIT	COM	73933H101	346	8,608	SH		DFND		8,608	0	0
PROGRESS ACQUISITION CORP	UNIT 12/25/2025	74327P204	156	15,600	SH		DFND		15,600	0	0
QELL ACQUISITION CORP	CL A	G7307X105	100	10,000	SH		DFND		10,000	0	0
REDBALL ACQUISITION CORP	COM CL A	G7417R105	142	14,567	SH		DFND		14,567	0	0
REVOLUTION ACCELERTN ACQU CO	COM CL A	76156P106	190	19,089	SH		DFND		19,089	0	0
RMR MORTGAGE TR	COM	76970B101	1,479	124,006	SH		DFND		124,006	0	0
ROTH CH ACQUISITION III CO	COM	77867Q102	296	30,000	SH		DFND		30,000	0	0
SABA CAPITAL INCOME & OPRNT	SHARES	78518H103	712	151,260	SH		DFND		151,260	0	0
SALIENT MIDSTREAM & MLP FD	SH BEN INT	79471V105	590	99,061	SH		DFND		99,061	0	0
SELECT SECTOR SPDR TR	ENERGY	81369Y506	21	50,000	SH	Call	DFND		50,000	0	0
SEVEN OAKS ACQUISITION CORP	COM CL A	81787X106	397	40,190	SH		DFND		40,190	0	0
SILVER CREST ACQUISITION COR	UNIT 12/15/2025	G81355110	201	20,000	SH		DFND		20,000	0	0
SLAM CORP	CL A SHS	G8210L105	102	10,500	SH		DFND		10,500	0	0
SOARING EAGLE ACQUISITION CO	CL A SHS	G8354H126	403	40,500	SH		DFND		40,500	0	0
SPDR GOLD TR	GOLD SHS	78463V107	7	40,000	SH	Call	DFND		40,000	0	0
SPDR S&P 500 ETF TR	TR UNIT	78462F103	16	130,000	SH	Put	DFND		130,000	0	0
TAILWIND INTERNATNAL ACQ COR	UNIT 99/99/9999	G8662F127	490	48,950	SH		DFND		48,950	0	0
TB SA ACQUISITION CORP	UNIT 03/25/2028	G8657L113	594	59,800	SH		DFND		59,800	0	0
THE BEACHBODY COMPANY INC	*W EXP 12/31/202	073463119	47	15,893	SH		DFND		15,893	0	0
THE BEACHBODY COMPANY INC	COM CL A	073463101	190	18,298	SH		DFND		18,298	0	0
THIMBLE POINT ACQUISITION CO	COM CL A	88408P107	198	20,000	SH		DFND		20,000	0	0
TORTOISE ENERGY INFRA CORP	COM	89147L886	357	12,400	SH		DFND		12,400	0	0
TORTOISE MIDSTRM ENERGY FD I	COM	89148B200	243	8,114	SH		DFND		8,114	0	0
TREBIA ACQUISITION CORP	COM CL A	G9027T109	99	10,000	SH		DFND		10,000	0	0
UNITED STS OIL FD LP	UNITS	91232N207	4	25,000	SH	Put	DFND		25,000	0	0
VELOCITY ACQUISITION CORP	UNIT 99/99/9999	92259E203	109	11,000	SH		DFND		11,000	0	0
VIRTUOSO ACQUISITION CORP	COM CL A	92837J104	1,008	101,620	SH		DFND		101,620	0	0
VISTRA CORP	COM	92840M102	835	45,000	SH		DFND		45,000	0	0
VPC IMPACT ACQU HOLDI III IN	COM CL A	91835J108	204	20,600	SH		DFND		20,600	0	0
YUCAIPA ACQUISITION CORP	COM	G9879L105	494	50,000	SH		DFND		50,000	0	0