MARINER INVESTMENT GROUP LLC

CIK 0001096978 • 6 13F filings • May 5, 2025 – Jul 27, 2026

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Filer information

Filed by: MARINER INVESTMENT GROUP LLC, Chief Operating Officer
Address: 500 MAMARONECK AVENUE, 4TH FLOOR, Harrison, NY, 10528
Phone: 914-670-4342
AUM: $1.71B

AUM over time

$463.1M latest

Sector allocation over time

Past 5 quarters

Q4 2025

Q3 2025

Q2 2026

Q2 2025

Q1 2026

TechnologyConsumer DiscretionaryConsumer StaplesFinancialsCommunicationIndustrialsOther

Holdings by filing

Portfolio value: $1.71B101 positionsView on SEC.gov

			% of Portfolio
ALIBABA GROUP HLDG LTD	NOTE 0.500% 6/0	$23.3M	1.4%Prev: 2.8%	15,000,000 PRN	Increased+10,000,000 PRN
ALPHABET INC	CAP STK CL C	$109.8M	6.4%	350,000 SH	New
ANTERO RESOURCES CORP	COM	$1.3M	0.1%Prev: 0.0%	38,500 SH	Increased-11,500 SH
APPLE INC	COM	$67.4M	3.9%	248,000 SH	New
ASML HOLDING N V	N Y REGISTRY SHS	$99.5M	5.8%	93,000 SH	New
BLACKSTONE SECD LENDING FD	COMMON STOCK	$44K	0.0%	125,000 SH	New
BOLT PROJS HLDGS INC	*W EXP 08/13/202	$317	0.0%Prev: 0.0%	19,150 SH	Decreased
BOREALIS FOODS INC	*W EXP 02/07/202	$1K	0.0%Prev: 0.0%	23,300 SH	Decreased
BROADCOM INC	COM	$181K	0.0%	10,000 SH	New
BUILDERS FIRSTSOURCE INC	COM	$238K	0.0%Prev: 0.1%	100,000 SH	Decreased
CARRIER GLOBAL CORPORATION	COM	$125K	0.0%	50,000 SH	New
CATERPILLAR INC	COM	$210K	0.0%	40,000 SH	New
CHEMOURS CO	COM	$651K	0.0%Prev: 0.3%	105,000 SH	Decreased
CHIMERA INVT CORP	COM SHS	$3.6M	0.2%Prev: 0.5%	290,000 SH	Increased+175,000 SH
CINTAS CORP	COM	$50.6M	3.0%	269,000 SH	New
CISCO SYS INC	COM	$105.7M	6.2%	1,372,000 SH	New
COGENT COMMUNICATIONS HLDGS	COM NEW	$478K	0.0%Prev: 0.1%	105,000 SH	Increased
COMCAST CORP NEW	CL A	$1.3M	0.1%Prev: 0.0%	162,500 SH	Increased+42,500 SH
COMFORT SYS USA INC	COM	$1.9M	0.1%	2,000 SH	New
CONOCOPHILLIPS	COM	$175K	0.0%	50,000 SH	New
CONSTELLATION ENERGY CORP	COM	$563K	0.0%Prev: 0.8%	30,000 SH	Decreased+21,900 SH
COREWEAVE INC	COM CL A	$147K	0.0%Prev: 0.1%	27,000 SH	Decreased+25,000 SH
CORNING INC	COM	$738K	0.0%Prev: 0.2%	200,000 SH	Decreased
COSTCO WHSL CORP NEW	COM	$107.8M	6.3%	125,000 SH	New
CREDO TECHNOLOGY GROUP HOLDI	ORDINARY SHARES	$288K	0.0%	2,000 SH	New
CROWN HLDGS INC	COM	$515K	0.0%	5,000 SH	New
CYCURION INC	*W EXP 02/13/203	$1K	0.0%Prev: 0.0%	30,000 SH	Decreased
D R HORTON INC	COM	$258K	0.0%	61,500 SH	New
DELTA AIR LINES INC DEL	COM NEW	$30K	0.0%	50,000 SH	New
DOW INC	COM	$412K	0.0%Prev: 0.2%	550,000 SH	Decreased+116,500 SH
DOXIMITY INC	CL A	$5K	0.0%Prev: 0.0%	40,000 SH	Decreased-100 SH
DUKE ENERGY CORP NEW	COM NEW	$6.0M	0.4%Prev: 1.5%	76,250 SH	Increased+11,250 SH
DYCOM INDS INC	COM	$1.0M	0.1%	3,000 SH	New
EATON VANCE MUN BD FD	COM	$119K	0.0%Prev: 0.4%	12,181 SH	Decreased-104,666 SH
ENTERGY CORP NEW	COM	$4.2M	0.2%Prev: 1.3%	45,000 SH	Decreased
EQT CORP	COM	$1.1M	0.1%	20,000 SH	New
EXPRO GROUP HOLDINGS NV	COM	$267K	0.0%Prev: 0.1%	20,000 SH	Increased
FERGUSON ENTERPRISES INC	COMMON STOCK NEW	$1.3M	0.1%Prev: 0.1%	6,000 SH	Increased-64,000 SH
FLUOR CORP	NOTE 1.125% 8/1	$17.2M	1.0%Prev: 1.8%	15,100,000 PRN	Increased+10,000,000 PRN
FMC CORP	COM NEW	$66K	0.0%	50,000 SH	New
FORD MTR CO	NOTE 3/1	$20.8M	1.2%Prev: 3.1%	20,000,000 PRN	Increased+10,000,000 PRN
FS KKR CAP CORP	COM	$266K	0.0%Prev: 0.1%	425,000 SH	Decreased+225,000 SH
GRUPO AEROMEXICO SAB DE CV	SPONSORED ADS	$3.7M	0.2%	169,280 SH	New
HALLIBURTON CO	COM	$126K	0.0%	100,000 SH	New
HONEYWELL INTL INC	COM	$76.5M	4.5%	392,000 SH	New
HOWMET AEROSPACE INC	COM	$19K	0.0%	25,000 SH	New
INTEL CORP	COM	$81.2M	4.7%	2,200,000 SH	New
INTERNATIONAL PAPER CO	COM	$118K	0.0%	100,000 SH	New
INVESCO QQQ TR	UNIT SER 1	$67K	0.0%	50,000 SH	New
ISHARES BITCOIN TRUST ETF	SHS BEN INT	$106.6M	6.2%Prev: 39.6%	2,146,536 SH	Decreased+131,442 SH
ISHARES TR	1 3 YR TREAS BD	$218K	0.0%	2,636 SH	New
ISHARES TR	10+ YR INVST GRD	$20.2M	1.2%	400,000 SH	New
ISHARES TR	EXPANDED TECH	$38K	0.0%Prev: 0.0%	50,000 SH	Decreased
ISHARES TR	IBOXX HI YD ETF	$394K	0.0%Prev: 0.0%	1,498,500 SH	Increased+992,100 SH
ISHARES TR	RUSSELL 2000 ETF	$90K	0.0%	206,500 SH	New
KROGER CO	COM	$937K	0.1%Prev: 0.2%	15,000 SH	Increased+5,000 SH
LAM RESEARCH CORP	COM NEW	$126.0M	7.4%	736,000 SH	New
LEGENCE CORP	CL A	$430K	0.0%	10,000 SH	New
LENNAR CORP	CL A	$459K	0.0%	58,500 SH	New
LINCOLN ELEC HLDGS INC	COM	$3.8M	0.2%Prev: 1.1%	16,000 SH	Increased+1,000 SH
LINDE PLC	SHS	$85.3M	5.0%	200,000 SH	New
LIVE NATION ENTERTAINMENT IN	NOTE 2.875% 1/1	$5.3M	0.3%	5,000,000 PRN	New
LIVE NATION ENTERTAINMENT IN	NOTE 3.125% 1/1	$7.3M	0.4%	5,000,000 PRN	New
LOWES COS INC	COM	$24.4M	1.4%	101,000 SH	New
LUMEN TECHNOLOGIES INC	COM	$583K	0.0%Prev: 0.1%	75,000 SH	Increased
LYONDELLBASELL INDUSTRIES N	SHS - A -	$1.3M	0.1%Prev: 0.3%	500,000 SH	Increased+300,000 SH
MARTIN MARIETTA MATLS INC	COM	$311K	0.0%Prev: 0.1%	500 SH	Decreased
MASTEC INC	COM	$3.2M	0.2%Prev: 0.1%	14,500 SH	Increased+12,900 SH
MASTERCARD INCORPORATED	CL A	$57.1M	3.3%	100,000 SH	New
MCDONALDS CORP	COM	$49.8M	2.9%	163,000 SH	New
MICROSOFT CORP	COM	$166.4M	9.7%	344,000 SH	New
NEXTERA ENERGY CAP HLDGS INC	NOTE 3.000% 3/0	$12.4M	0.7%Prev: 3.6%	10,000,000 PRN	Increased
NOBLE CORP PLC	ORD SHS A	$282K	0.0%Prev: 0.1%	10,000 SH	Decreased
NUVEEN FLOATING RATE INCOME	COM	$5.0M	0.3%Prev: 5.6%	633,488 SH	Decreased-1,623,706 SH
NVIDIA CORPORATION	COM	$92.7M	5.4%Prev: 0.0%	497,000 SH	Increased+397,000 SH
OLIN CORP	COM PAR $1	$363K	0.0%Prev: 0.0%	200,000 SH	Increased+100,000 SH
ON SEMICONDUCTOR CORP	NOTE 0.500% 3/0	$9.5M	0.6%Prev: 1.4%	10,000,000 PRN	Increased+5,000,000 PRN
ONEOK INC NEW	COM	$128K	0.0%Prev: 0.1%	100,000 SH	Decreased+50,000 SH
PENNYMAC CORP	NOTE 8.500% 6/0	$1.1M	0.1%Prev: 0.3%	1,000,000 PRN	Increased
POST HLDGS INC	COM	$225K	0.0%Prev: 0.0%	75,000 SH	Increased+25,000 SH
RANGE RES CORP	COM	$1.7M	0.1%Prev: 0.3%	176,000 SH	Increased-124,000 SH
REDFIN CORP	NOTE 0.500% 4/0	$1.5M	0.1%Prev: 0.5%	1,645,000 PRN	Increased
REDWOOD TRUST INC	COM	$4.1M	0.2%Prev: 1.5%	745,346 SH	Decreased-102,065 SH
REDWOOD TRUST INC	NOTE 7.750% 6/1	$1.8M	0.1%Prev: 1.0%	1,800,000 PRN	Decreased-1,500,000 PRN
RITHM CAPITAL CORP	COM NEW	$9.5M	0.6%Prev: 3.4%	868,711 SH	Decreased-106,289 SH
SHIFT4 PMTS INC	CL A	$7.9M	0.5%Prev: 1.1%	125,000 SH	Increased+80,000 SH
SMURFIT WESTROCK PLC	SHS	$40K	0.0%	50,000 SH	New
SNOWFLAKE INC	NOTE 10/0	$7.4M	0.4%Prev: 2.3%	5,000,000 PRN	Decreased
SPDR S&P 500 ETF TR	TR UNIT	$93K	0.0%Prev: 7.9%	125,000 SH	Decreased-248,422 SH
TALEN ENERGY CORP	COM	$1.9M	0.1%	5,000 SH	New
TELEPHONE & DATA SYS INC	COM NEW	$205K	0.0%	5,000 SH	New
TEXAS INSTRS INC	COM	$97.0M	5.7%	559,000 SH	New
UNITED AIRLS HLDGS INC	COM	$64K	0.0%	75,000 SH	New
VALMONT INDS INC	COM	$805K	0.0%Prev: 0.2%	2,000 SH	Increased
VERTIV HOLDINGS CO	COM CL A	$664K	0.0%	75,000 SH	New
VISTRA CORP	COM	$1.0M	0.1%Prev: 1.0%	40,000 SH	Decreased-25,000 SH
VULCAN MATLS CO	COM	$285K	0.0%Prev: 0.1%	1,000 SH	Decreased
WILLIAMS COS INC	COM	$2.8M	0.2%Prev: 0.8%	195,000 SH	Increased+105,000 SH
WOLFSPEED INC	COMMON STOCK	$348K	0.0%Prev: 0.2%	20,000 SH	Decreased-5,000 SH
WOLFSPEED INC	NOTE 2.500% 6/1	$403K	0.0%	271,000 PRN	New
WORTHINGTON ENTERPRISES INC	COM	$216K	0.0%	4,196 SH	New

Sold (vs prior filing)

ADVANCED MICRO DEVICES INC — $2.0M
APA CORPORATION — $500K
ARRAY DIGITAL INFRASTRUCTURE — $1.1M
BRIGHTHOUSE FINL INC — $7.2M
CRH PLC — $360K
DANA INC — $200K
EDISON INTL — $5K
EQUINOR ASA — $98K
ISHARES TR — $21.0M
JD.COM INC — $10.8M
PROSHARES TR II — $637K
SELECT SECTOR SPDR TR — $31K
SHUTTERSTOCK INC — $336K
TRANSALTA CORP — $60K
UNITED PARCEL SERVICE INC — $1.3M

All filings

Open a filing on Jive Data

Filing Date	Quarter	Form	Accession	Portfolio	Filing
Feb 25, 2026	Q4 2025	13F-HR	0001096978-26-000004	$1.71B	View
Nov 14, 2025	Q3 2025	13F-HR	0001096978-25-000008	$330.6M	View
Jul 27, 2026	Q2 2026