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	198	20,000	SH		DFND		20,000	0	0
ACCELERATE ACQUISITION CORP	UNIT 99/99/9999	00439D201	228	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	398	40,601	SH		DFND		40,601	0	0
AGILE GROWTH CORP	UNIT 03/09/2026	G01202129	198	20,000	SH		DFND		20,000	0	0
ALTITUDE ACQUISITION CORP	*W EXP 11/30/202	02156Y111	14	20,000	SH		DFND		20,000	0	0
ARCHER AVIATION INC	COM CL A	03945R102	89	10,000	SH		DFND		10,000	0	0
ARCHIMEDES TECH SPAC PARTNR	UNIT 03/10/2026	039562202	399	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	6	20,000	SH	Put	DFND		20,000	0	0
ASA GOLD AND PRECIOUS MTLS L	SHS	G3156P103	191	10,117	SH		DFND		10,117	0	0
ATHENA TECHNOLOGY ACQUISI CO	*W EXP 03/31/202	04687A117	27	20,000	SH		DFND		20,000	0	0
ATHENA TECHNOLOGY ACQUISI CO	COM CLASS A	04687A109	199	20,033	SH		DFND		20,033	0	0
ATHENA TECHNOLOGY ACQUISI CO	UNIT 99/99/9999	04687A208	211	20,300	SH		DFND		20,300	0	0
ATLANTIC COASTAL ACQUISTN CO	UNIT 03/02/2026	048453203	581	58,718	SH		DFND		58,718	0	0
AUSTERLITZ ACQUISITION CORP	*W EXP 02/19/202	G0633U127	19	18,400	SH		DFND		18,400	0	0
AUSTERLITZ ACQUISITION CORP	COM CL A	G0633U101	195	20,000	SH		DFND		20,000	0	0
AVAYA HLDGS CORP	NOTE 2.250% 6/1	05351XAB7	4,860	4,640,000	PRN		DFND		4,640,000	0	0
BITE ACQUISITION CORP	UNIT 99/99/9999	09175K204	159	15,883	SH		DFND		15,883	0	0
BOA ACQUISITION CORP	UNIT 99/99/9999	05601A208	301	30,510	SH		DFND		30,510	0	0
BRIDGETOWN 2 HOLDINGS LTD	CL A	G1355V103	99	10,000	SH		DFND		10,000	0	0
BROADSTONE ACQUISITION CORP	SHS CL A	G1739V100	656	65,973	SH		DFND		65,973	0	0
BUILD ACQUISITION CORP	UNIT 99/99/9999	12008J204	362	36,154	SH		DFND		36,154	0	0
CAPSTAR SPL PURP ACQUISITION	COM CL A	14070Y101	198	20,000	SH		DFND		20,000	0	0
CARTESIAN GROWTH CORP	UNIT 02/26/2028	G19276123	163	16,000	SH		DFND		16,000	0	0
CBRE ACQUISITION HLDGS INC	*W EXP 99/99/999	12510J114	17	10,000	SH		DFND		10,000	0	0
CC NEUBERGER PRIN HLDGS II	SHS CL A	G3166T103	164	16,684	SH		DFND		16,684	0	0
CENTER COAST BRKFLD MLP ENRG	SHS BEN INT	151461209	269	19,362	SH		DFND		19,362	0	0
CERBERUS TELECOM ACQUISITION	SHS CL A	G2040C104	78	10,000	SH		DFND		10,000	0	0
CHURCHILL CAPITAL CORP VII	COM CL A	17144M102	97	10,000	SH		DFND		10,000	0	0
COHN ROBBINS HOLDINGS CORP	*W EXP 08/28/202	G23726113	9	10,000	SH		DFND		10,000	0	0
COHN ROBBINS HOLDINGS CORP	COM CL A	G23726105	589	60,000	SH		DFND		60,000	0	0
CONSTELLATION ACQUISITN CORP	UNIT 99/99/9999	G2R18K121	99	10,000	SH		DFND		10,000	0	0
CONX CORP	*W EXP 10/30/202	212873111	12	10,000	SH		DFND		10,000	0	0
CONX CORP	COM CL A	212873103	245	25,000	SH		DFND		25,000	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	201	20,655	SH		DFND		20,655	0	0
CROWN PROPTECH ACQUISITIONS	UNIT 99/99/9999	G25741128	453	46,100	SH		DFND		46,100	0	0
D AND Z MEDIA ACQUISITION CO	COM CL A	23305Q106	169	17,400	SH		DFND		17,400	0	0
DD3 ACQUISITION CORP II	COM CL A	23318M100	99	10,000	SH		DFND		10,000	0	0
DELAWARE ENHANCED GLOBAL DIV	COM	246060107	364	35,935	SH		DFND		35,935	0	0
DHC ACQUISITION CORP	CLASS A ORD SHS	G2758T109	195	20,000	SH		DFND		20,000	0	0
DISRUPTIVE ACQUISITION CORP	UNIT 03/06/2026	G2770Y110	279	28,166	SH		DFND		28,166	0	0
DMY TECHNOLOGY GROUP INC IV	*W EXP 03/04/202	23344K110	19	10,000	SH		DFND		10,000	0	0
DMY TECHNOLOGY GROUP INC IV	COM CL A	23344K102	347	35,000	SH		DFND		35,000	0	0
EAST RES ACQUISITION CO	COM CL A	274681105	204	20,705	SH		DFND		20,705	0	0
EFFECTOR THERAPEUTICS INC	*W EXP 12/31/202	28202V116	37	22,935	SH		DFND		22,935	0	0
ENDO INTL PLC	SHS	G30401106	122	37,500	SH		DFND		37,500	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	288	28,900	SH		DFND		28,900	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	165	12,939	SH		DFND		12,939	0	0
FLAME ACQUISITION CORP	COM CL A	33850F108	194	20,000	SH		DFND		20,000	0	0
FRONTIER INVESTMENT CORP	UNIT 06/29/2026	G36816117	99	10,000	SH		DFND		10,000	0	0
GAMCO NAT RES GOLD & INCOME	SH BEN INT	36465E101	680	134,081	SH		DFND		134,081	0	0
GDL FD	COM SH BEN IT	361570104	2,145	238,869	SH		DFND		238,869	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	195	20,014	SH		DFND		20,014	0	0
GOLDEN ARROW MERGER CORP	UNIT 07/31/2026	380799205	693	70,000	SH		DFND		70,000	0	0
GOOD WKS II ACQUISITION CORP	*W EXP 02/01/202	38216G112	13	20,000	SH		DFND		20,000	0	0
GOOD WKS II ACQUISITION CORP	COMMON STOCK	38216G104	391	40,000	SH		DFND		40,000	0	0
GORES GUGGENHEIM INC	CLASS A COM	38286Q107	409	40,000	SH		DFND		40,000	0	0
GORES GUGGENHEIM INC	CLASS A COM	38286Q107	3	10,000	SH	Call	DFND		10,000	0	0
GORES GUGGENHEIM INC	UNIT 03/25/2028	38286Q206	249	23,415	SH		DFND		23,415	0	0
GROWTH CAP ACQUISITION CORP	UNIT 06/01/2027	39986V206	530	51,040	SH		DFND		51,040	0	0
GX ACQUISITION CORP II	UNIT 03/17/2026	36260F204	99	10,000	SH		DFND		10,000	0	0
HAYMAKER ACQUISITION CORP II	UNIT 03/01/2026	42087R207	191	19,236	SH		DFND		19,236	0	0
HEALTHCARE CAPITAL CORP	*W EXP 12/31/202	42228C119	10	15,000	SH		DFND		15,000	0	0
HEALTHCARE CAPITAL CORP	COM CL A	42228C101	148	15,000	SH		DFND		15,000	0	0
HEALTHCOR CATALIO ACQU CORP	CL A SHS	G44125105	99	10,000	SH		DFND		10,000	0	0
IG ACQUISITION CORP	COM CL A	449534106	294	30,000	SH		DFND		30,000	0	0
INNOVATIVE INDL PPTYS INC	COM	45781V101	10	25,000	SH	Put	DFND		25,000	0	0
IRON SPARK I INC	CLASS A COM	46301G103	550	55,000	SH		DFND		55,000	0	0
ISHARES TR	IBOXX HI YD ETF	464288513	29	300,000	SH	Put	DFND		300,000	0	0
KHOSLA VENTURES ACQUISITION	CL A	482504107	394	39,900	SH		DFND		39,900	0	0
KISMET ACQUISITION TWO CORP	UNIT 99/99/9999	G52807123	296	30,000	SH		DFND		30,000	0	0
LEFTERIS ACQUISITION CORP	COM CL A	52470X109	191	19,488	SH		DFND		19,488	0	0
LOGAN RIDGE FINANCE CORP	COM	541098109	1,088	42,320	SH		DFND		42,320	0	0
MAGNUM OPUS ACQUISITION LTD	UNIT 06/03/2026	G5S70A120	210	20,000	SH		DFND		20,000	0	0
MARLIN TECHNOLOGY CORP	UNIT 99/99/9999	G58411128	177	17,650	SH		DFND		17,650	0	0
MASON INDUSTRIAL TECHNOLGY I	UNIT 99/99/9999	57520Y205	235	23,613	SH		DFND		23,613	0	0
MCAP ACQUISITION CORP	*W EXP 03/02/202	55282T117	22	20,000	SH		DFND		20,000	0	0
MEDICUS SCIENCES ACQUISITION	CL A SHS	G5960S108	98	10,000	SH		DFND		10,000	0	0
MILLER HOWARD HIGH INC EQTY	COM SHS BEN IN	600379101	110	11,211	SH		DFND		11,211	0	0
NEWBURY STREET ACQUISITN COR	UNIT 04/30/2028	65101L203	246	24,826	SH		DFND		24,826	0	0
NEXPOINT STRATEGIC OPPORTES	COM NEW	65340G205	320	22,971	SH		DFND		22,971	0	0
NEXTGEN ACQUISITION CORP II	UNIT 03/23/2026	G65317110	311	30,367	SH		DFND		30,367	0	0
NORWEGIAN CRUISE LINE HLDG L	SHS	G66721104	10	46,200	SH	Put	DFND		46,200	0	0
NUVEEN DIVERSIFIED DIVID & I	COM	6706EP105	349	33,666	SH		DFND		33,666	0	0
ORIGIN MATERIALS INC	*W EXP 06/24/202	68622D114	18	11,188	SH		DFND		11,188	0	0
OYSTER ENTERPRISES ACQ CORP	UNIT 01/20/2026	69242M203	332	33,192	SH		DFND		33,192	0	0
PERSHING SQUARE TONTINE HLDG	COM CL A	71531R109	1,110	56,370	SH		DFND		56,370	0	0
PIMCO ENERGY & TACTICAL CR O	COM SHS BEN INT	69346N107	416	34,060	SH		DFND		34,060	0	0
POWER & DIGITAL INFRA ACQ CO	COM CL A	739190106	138	13,659	SH		DFND		13,659	0	0
POWER REIT	COM	73933H101	430	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
REDBALL ACQUISITION CORP	COM CL A	G7417R105	143	14,567	SH		DFND		14,567	0	0
REINVENT TECHNOLOGY PARTNERS	CLASS A ORD SHS	G7484L106	104	10,505	SH		DFND		10,505	0	0
RMR MORTGAGE TR	COM	76970B101	1,469	142,436	SH		DFND		142,436	0	0
ROTH CH ACQUISITION III CO	COM	77867Q102	298	30,000	SH		DFND		30,000	0	0
ROYAL CARIBBEAN GROUP	COM	V7780T103	12	30,000	SH	Put	DFND		30,000	0	0
SEVEN OAKS ACQUISITION CORP	COM CL A	81787X106	399	40,190	SH		DFND		40,190	0	0
SHAPEWAYS HOLDINGS INC	*W EXP 99/99/999	81947T110	12	12,000	SH		DFND		12,000	0	0
SILVER CREST ACQUISITION COR	UNIT 12/15/2025	G81355110	202	20,000	SH		DFND		20,000	0	0
SLAM CORP	CL A SHS	G8210L105	102	10,500	SH		DFND		10,500	0	0
SOCIAL CAPITAL HEDOSOPHA HLD	*W EXP 09/26/202	G8251L113	28	15,234	SH		DFND		15,234	0	0
SOCIAL CAPITAL HEDOSOPHA HLD	SHS CL A	G8251L105	406	40,000	SH		DFND		40,000	0	0
SPDR GOLD TR	GOLD SHS	78463V107	15	125,000	SH	Call	DFND		125,000	0	0
SPDR S&P 500 ETF TR	TR UNIT	78462F103	5	20,000	SH	Call	DFND		20,000	0	0
SPDR S&P 500 ETF TR	TR UNIT	78462F103	11	50,000	SH	Put	DFND		50,000	0	0
TAILWIND INTERNATNAL ACQ COR	UNIT 99/99/9999	G8662F127	485	48,950	SH		DFND		48,950	0	0
TB SA ACQUISITION CORP	UNIT 03/25/2028	G8657L113	590	59,800	SH		DFND		59,800	0	0
THE BEACHBODY COMPANY INC	*W EXP 12/31/202	073463119	19	15,893	SH		DFND		15,893	0	0
THIMBLE POINT ACQUISITION CO	COM CL A	88408P107	348	35,000	SH		DFND		35,000	0	0
TMC THE METALS COMPANY INC	*W EXP 09/09/202	87261Y114	10	10,000	SH		DFND		10,000	0	0
TREBIA ACQUISITION CORP	COM CL A	G9027T109	99	10,000	SH		DFND		10,000	0	0
TREMONT MTG TR	COM	894789106	52	10,000	SH		DFND		10,000	0	0
VELOCITY ACQUISITION CORP	COM CL A	92259E104	99	10,000	SH		DFND		10,000	0	0
VELOCITY ACQUISITION CORP	UNIT 99/99/9999	92259E203	111	11,000	SH		DFND		11,000	0	0
VIRTUOSO ACQUISITION CORP	COM CL A	92837J104	1,007	101,620	SH		DFND		101,620	0	0
VISTRA CORP	COM	92840M102	787	46,000	SH		DFND		46,000	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