Mariner Investment Group LLC

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Mariner Investment Group LLC ✚
CRD #	124744
SEC #	801-62016
CIK #	0001096978, 0001373442
AUM	149.62 B (2026-03-31)
Employees	146 (62% Investors, 6% Brokers)
Fees
Minimum
Phone	914-670-4300
Address	299 Park Avenue New York, NY 10171
Source	[IAPD] [EDGAR] [Website] [LinkedIn]

Total AUM ($B) Copy

Sector	Form 13F Holdings	Value ($B)
	iShares Bitcoin Trust	0.1
	New Residential Investment Corp	0.0
	Shift4 Payments Inc	0.0
	Williams Companies Inc	0.0
	Caterpillar Inc	0.0
	Chimera Investment Corp	0.0
	HJ Heinz Holding Corp	0.0
	Entergy Corp /DE/	0.0
	Carrier Global Corp	0.0
	Corning Inc /NY	0.0
View All

Holdings by Sector ($B)

Type	Form D Funds	Date	Sold	AUM
HF	Mariner Peconic Bay Fund LLC	[2025-02-28]	234.1 M	176.4 M
	Filed 2026-01-08 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Bright Meadow Securities Strategies Fund LLC	2024-02-29		2,239.5 M
HF	Bright Meadow Mortgage Strategies SIF Master II LP	[2022-08-25]	428.1 M	1,752.4 M
	Filed 2026-01-08 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $100,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Bright Meadow Mortgage Strategies SIF Master LP	[2022-08-25]	810.0 M	651.5 M
	Filed 2026-01-08 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $100,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Mariner Greyarc Equity Fund LP	[2022-03-31]	2.6 M	4.6 M
	Filed 2023-01-04 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Bright Meadow Agency Markets Master Fund LP	[2022-03-01]	46.3 M	631.6 M
	Filed 2026-01-08 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	CCP Alternative Asset Fund LLC Series 2-A	[2021-02-08]	7.5 M	7.8 M
	Filed 2021-12-21 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $250,000 · Remaining Indefinite · Duration One year or less · Net Assets $1 - $5,000,000
HF	Mariner Cicero CMBS Opportunities Master Fund LP	[2019-12-19]	10.0 M	93.1 M
	Filed 2026-01-30 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $100,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Mariner Alternative Relative Value Master Fund LP	2018-11-28		10.13 B
HF	Bright Meadow Agency MBS Master Fund LP	[2018-03-30]	166.0 M	8,442.5 M
	Filed 2026-01-30 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Galton Mortgage Recovery Master Fund IV LP	[2017-09-29]	155.0 M	115.4 M
	Filed 2018-09-12 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Revenue Decline to Disclose
HF	Mariner Glen Oaks Master Fund LP	[2015-11-19]	186.3 M	16.5 M
	Filed 2026-01-08 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Mariner Lenus Healthcare Master Fund LP	[2015-03-31]	2.1 M	162.2 M
	Filed 2016-01-26 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Mariner Coria RV Master Fund Ltd	[2015-02-25]	146.1 M	45.1 M
	Filed 2017-11-01 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Galton Mortgage Recovery Master Fund III LP	[2014-03-31]	32.5 M	7.0 M
	Filed 2014-09-18 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Revenue Decline to Disclose
HF	Mariner Breakwater LP	[2014-02-28]		0.1 M
	Filed 2013-12-04 (D) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Revenue Decline to Disclose
HF	Mariner Spyglass Investment Partners LP	[2014-02-28]	50.5 M	108.7 M
	Filed 2015-12-15 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Mariner Global Rates Trading Master Fund Ltd	[2013-11-21]	57.0 M	2,509.8 M
	Filed 2015-07-16 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Mariner Incubation Fund 2012 LP	[2013-08-29]	301.2 M	328.0 M
	Filed 2014-02-12 (D/A) · Exemption 506(b), 3(c), 3(c)(1), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Mariner-Aroya Opportunity Master Fund Ltd	2013-02-28
HF	Mariner Empire Fund LP	[2013-02-28]	197.2 M
	Filed 2010-10-06 (D/A) · Exemption 506, 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Mariner Palmetto Silvermine Partners LP	[2013-02-28]	27.9 M
	Filed 2010-09-10 (D/A) · Exemption 506, 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Mariner Hyman Beck Global Fund LLC	[2013-02-26]	5.5 M	4.3 M
	Filed 2013-01-17 (D/A) · Exemption 506, 3(c), 3(c)(1), 3(c)(7) · Minimum $100,000 · Remaining Indefinite · Duration More than one year · Net Assets Not Applicable
HF	Mariner Total Return Municipal Bond Master Fund LLC	[2013-02-26]	99.5 M	206.4 M
	Filed 2015-09-16 (D/A) · Exemption 506(b), 3(c), 3(c)(1), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Arctic Bear Fund LP	[2012-03-30]	209.9 M	190.9 M
	Filed 2011-03-08 (D/A) · Exemption 506, 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Commission $417,214 · Net Assets Decline to Disclose
HF	Bright Meadow Mortgage Strategies Master Fund LP	[2012-03-30]	617.6 M	1,837.2 M
	Filed 2026-01-30 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $100,000 · Remaining Indefinite · Duration More than one year · Commission $6,239 · Net Assets Decline to Disclose
PE	CalPERS Mariner Fixed Income Fund LLC	[2012-03-30]	75.8 M	2.2 M
	Filed 2012-03-30 (D/A) · Exemption 506, 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Revenue Decline to Disclose
HF	Mariner-Aroya Opportunity Master Fund Ltd	2012-03-30		114.3 M
HF	Mariner Atlantic Multi-Strategy Master Fund Ltd	[2012-03-30]	4,986.0 M	34.35 B
	Filed 2026-01-08 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $100,000 · Remaining Indefinite · Duration More than one year · Commission $28,877,120 · Net Assets Decline to Disclose
HF	Mariner Empire Fund LP	[2012-03-30]	197.2 M	124.6 M
	Filed 2010-10-06 (D/A) · Exemption 506, 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Mariner Explorer Fund LP	2012-03-30		0.2 M
Other	Mariner Fairwind Unit Trust	2012-03-30		190.9 M
Other	Mariner Frontier Fund LP	[2012-03-30]	1,088.3 M	12.8 M
	Filed 2015-07-08 (D/A) · Exemption 506(b), 3(c), 3(c)(1), 3(c)(7) · Minimum $1 · Remaining Indefinite · Duration More than one year · Commission $3,432,883 · Net Assets Decline to Disclose
HF	Mariner Matador Fund LLC	[2012-03-30]	457.3 M	470.6 M
	Filed 2015-07-16 (D/A) · Exemption 506(b), 3(c), 3(c)(1), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
PE	Mariner Mortgage Master Fund II LP	2012-03-30		114.6 M
PE	Mariner Mortgage Master Fund I LP	2012-03-30		32.4 M
HF	Mariner Navigator International Ltd	[2012-03-30]	498.0 M	152.6 M
	Filed 2011-03-08 (D/A) · Exemption 506, 3(c), 3(c)(7) · Minimum $100,000 · Remaining Indefinite · Duration More than one year · Commission $1,231,038 · Net Assets Decline to Disclose
HF	Mariner Navigator TIPS Ltd	2012-03-30		28.7 M
HF	Mariner Navigator US Equities Ltd	2012-03-30		10.7 M
HF	Mariner Opportunities Fund LP	2012-03-30		8.7 M
HF	Mariner Palmetto Silvermine Partners LP	[2012-03-30]	27.9 M	115.4 M
	Filed 2010-09-10 (D/A) · Exemption 506, 3(c), 3(c)(7) · Minimum $10,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Mariner/Palmetto State Partners LP	[2012-03-30]	745.9 M	431.0 M
	Filed 2012-04-06 (D/A) · Exemption 506, 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Mariner Select International Ltd	2012-03-30		17.2 M
HF	Mariner Select LP	2012-03-30		0.9 M
HF	Mariner Select Ultra 2X Fund LP	2012-03-30		9.5 M
HF	Mariner Select Ultra Fund LP	2012-03-30		20.7 M
HF	Mariner Select Ultra International Ltd	2012-03-30		7.5 M
HF	Mariner Silvermine Fund Ltd	[2012-03-30]	43.3 M	316.3 M
	Filed 2014-09-18 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $100,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Mariner Voyager Master Fund Ltd	2012-03-30		5.3 M
HF	Concordia G-10 Fixed Income Relative Value Fund LP	[2012-03-09]	2,504.7 M	65.21 B
	Filed 2026-01-08 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $100,000 · Remaining Indefinite · Duration More than one year · Commission $1,199,102 · Net Assets Decline to Disclose
HF	Concordia Institutional Multi-Strategy Ltd	2012-03-09		8,608.2 M
HF	Concordia Municipal Opportunities Master Fund LP	[2012-03-09]		47.6 M

AUM Breakdown	Accounts	AUM ($B)
By Client Type
(a) Individuals (other than high net worth individuals)	0	0.0
(b) Individuals (high net worth individuals)	0	0.0
(c) Banking or thrift institutions	0	0.0
(d) Investment companies	2	3.2
(e) Business development companies	0	0.0
(f) Pooled investment vehicles	34	125.9
(g) Pension and profit sharing plans	0	2.1
(h) Charitable organizations	0	0.0
(i) State or municipal government entities	0	0.0
(j) Other investment advisers	0	0.0
(k) Insurance companies	0	0.0
(l) Sovereign wealth funds and foreign official institutions	0	18.5
(m) Corporations or other businesses not listed above	0	0.0
(n) Other	0	0.0
Total	37	149.6
By Discretionary
Discretionary	37	149.6
Non-Discretionary	0	0.0
Total	37	149.6
By Non-United States Persons
Non-United States Persons		115.9
United States Persons		33.8
Total	37	149.6

Limited Partners	2011 - 2026
Alaska Division of Retirement and Benefits
New York State and Local Retirement System
Pennsylvania Public School Employees' Retirement System

Form D Directors	Role	# Filings	# Firms
Ronan Guilfoyle	Director	358	108
Geoff Ruddick	Director	256	66
Kevin Phillip	Director	193	39
James Keyes	Director	153	31
Paul Stevenson	Director	120	25
Don Ebanks	Director	95	25
Ian Pilgrim	Director	148	19
Nicole Ramroop	Director	43	19
David Walker	Director	75	8
Dawn Cummings	Director	13	7
View All

EDGAR Form	CIK	2011 - 2026
13F-HR	[0001096978]
SC 13D	[0001096978]
13F-HR	[0001373442]
3	[0001373442]

Form 13D/13G Filer	Form 13D/13G Subject	Filed
Mariner Investment Group LLC	RMR Real Estate Income Fund	[2015-07-27]
Mariner Investment Group LLC	Nuveen Flexible Investment Income Fund	[2014-08-26]

Firm Profile (Form ADV)
Discretionary AUM	$29.0B
Serves	Institutional
Fund Types	Hedge Fund, Private Equity
LEI	NXO6CSBU4HJQCHKIQG96

Form 3/4/5 Subject	2011 - 2026
Montage Investments LLC
Mariner LLC
Tortoise Energy Independence Fund Inc
Mariner Holdings LLC
Tortoise MLP Fund Inc
Tortoise Power & Energy Infrastructure Fund Inc
Tortoise Pipeline & Energy Fund Inc
Tortoise Energy Infrastructure Corp
Bicknell Family Holding Co LLC
Palmer Square Opportunistic Income Fund

Comparable Firms	State	AUM
GC Advisors LLC ✚	IL	177.85 B
TPG Global Advisors LLC ✚	TX	173.56 B
Boston Management and Research ✚	MA	154.73 B
IFM Investors PTY Ltd ✚		152.93 B
iCapital Advisors LLC ✚	NY	149.86 B
Elliott Investment Management LP ✚	FL	128.62 B
Silver Lake Technology Management LLC ✚	CA	117.70 B
Tudor Investment Corporation ✚	CT	106.84 B
Vista Equity Partners Management LLC ✚	CA	106.02 B
Sixth Street Advisers LLC ✚	TX	101.61 B

Mariner Investment Group LLC

Assets, Funds, Holdings