Investment adviser · CRD 124744

MARINER INVESTMENT GROUP, LLC

HARRISON, NY, United States · Form ADV filed Feb 28, 2025

Regulatory AUM
$120B
Form ADV · Item 5.F
Client accounts
45
Accounts, not individual clients
Employees
134
Reported in this filing
Advisory professionals
74
Investment advisory functions

How this adviser has changed

Annual filings

Regulatory assets under management

Reported regulatory AUM by annual filing$0$101B$201BFY 2021: $201,250,850,921.00FY 2021FY 2022: $180,493,766,178.00FY 2022FY 2023: $126,022,034,338.00FY 2023FY 2024: $119,844,000,000.00FY 2024

Up to five fiscal years, using the latest annual update available at the selected filing date. Asset changes can reflect acquisitions, client flows, and valuations; they are not investment returns.

Annual adviser history and sources
Fiscal yearRegulatory AUMEmployeesFiled
2021$201,250,850,921111Mar 31, 2022
2022$180,493,766,178117Mar 29, 2023
2023$126,022,034,338126Mar 28, 2024
2024$119,844,000,000134Feb 28, 2025

Who they report serving

Form ADV · Item 5.D

Client types and their share of reported regulatory assets.

Client typeClientsRegulatory assetsShare of AUM
Pooled investment vehicles40$103,601,000,00086.4%
Sovereign wealth & foreign institutionsFewer than 5$12,144,399,76410.1%
Investment companies2$2,752,031,6712.3%
Retirement plansFewer than 5$1,346,903,3081.1%
Filing source

Form ADV 1943948 · Feb 28, 2025 · Item 5.D

Reported by MARINER INVESTMENT GROUP, LLC (CRD 124744).

Annual Updating Amendment for Registered Adviser · fiscal year 2024.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.

KPMG LLP

Auditor · funds reporting this exact name in the selected filing

These are reported-name connections within this adviser's filing, not a verified global provider identity or market-wide client count.

Private funds & service providers

18 detailed fund records

Largest reported gross asset value first; unreported values last. Gross asset value is fund-level disclosure, distinct from adviser AUM and Form D fundraising. Master and feeder funds may overlap.

CONCORDIA G-10 FIXED INCOME RELATIVE VALUE FUND LPHedge Fund · Master$38.7BGross asset value

Form D fundraising filings

View filings for the issuers linked by this fund’s reported Form D file numbers.

Fund administrator MUFG FUND SERVICES CAYMAN LIMITED HALIFAX, Canada Investor statements: Yes (provided to all investors) Related to adviser: No Other funds reporting this name →
Auditor KPMG LLP STAMFORD, Connecticut, United States Other funds reporting this name →
Custodian BARCLAYS CAPITAL INC. NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Custodian BNP PARIBAS SECURITIES CORP. NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Custodian BOFA SECURITIES, INC. NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Custodian CITIGROUP GLOBAL MARKETS INC. NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →

See filing for more → Showing the first 6 providers by role and name. IAPD may show a newer filing.

Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
Yes

KPMG LLP
PCAOB 185

BARCLAYS CAPITAL INC.
SEC 8-41342

BNP PARIBAS SECURITIES CORP.
SEC 8-32682

BOFA SECURITIES, INC.
SEC 8-69787

CITIGROUP GLOBAL MARKETS INC.
SEC 8-8177

Fund details & source
Fund ID
805-5936999570
Reported beneficial owners
67
Minimum commitment
$1M
Form D file number
021-215495
Form D file number
021-173173

Form ADV 1943948 · Feb 28, 2025 · Schedule D 7.B.(1)

Reported by MARINER INVESTMENT GROUP, LLC (CRD 124744).

Annual Updating Amendment for Registered Adviser · fiscal year 2024.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.

MARINER ATLANTIC MULTI-STRATEGY MASTER FUND, LTD.Hedge Fund · Master$33.9BGross asset value

Form D fundraising filings

View filings for the issuers linked by this fund’s reported Form D file numbers.

Fund administrator MUFG FUND SERVICES CAYMAN LIMITED HALIFAX, Canada Investor statements: Yes (provided to all investors) Related to adviser: No Other funds reporting this name →
Auditor KPMG LLP STAMFORD, Connecticut, United States Other funds reporting this name →
Custodian BNP PARIBAS SECURITIES CORP. NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Custodian J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Custodian SG AMERICAS SECURITIES, LLC NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Marketer CITIGROUP GLOBAL MARKETS INC. NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →

See filing for more → Showing the first 6 providers by role and name. IAPD may show a newer filing.

Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
Yes

KPMG LLP
PCAOB 185

BNP PARIBAS SECURITIES CORP.
SEC 8-32682

J.P. MORGAN SECURITIES LLC
SEC 8-35008

SG AMERICAS SECURITIES, LLC
SEC 8-66125

CITIGROUP GLOBAL MARKETS INC.
CRD 7059 · SEC 801-3387

Fund details & source
Fund ID
805-4991304990
Reported beneficial owners
632
Minimum commitment
$5M
Form D file number
021-126777
Form D file number
021-127002
Form D file number
021-121432

Form ADV 1943948 · Feb 28, 2025 · Schedule D 7.B.(1)

Reported by MARINER INVESTMENT GROUP, LLC (CRD 124744).

Annual Updating Amendment for Registered Adviser · fiscal year 2024.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.

MARINER ALTERNATIVE RELATIVE VALUE MASTER FUND, LPHedge Fund · Master$10.1BGross asset value
Fund administrator MUFG FUND SERVICES CAYMAN LIMITED HALIFAX, Canada Investor statements: Yes (provided to all investors) Related to adviser: No Other funds reporting this name →
Auditor KPMG LLP STAMFORD, Connecticut, United States Other funds reporting this name →
Custodian BARCLAYS CAPITAL INC. NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Custodian BNP PARIBAS SECURITIES CORP. NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Custodian BOFA SECURITIES, INC. NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Custodian CITIGROUP GLOBAL MARKETS INC. NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →

See filing for more → Showing the first 6 providers by role and name. IAPD may show a newer filing.

Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

KPMG LLP
PCAOB 185

BARCLAYS CAPITAL INC.
SEC 8-41342

BNP PARIBAS SECURITIES CORP.
SEC 8-32682

BOFA SECURITIES, INC.
SEC 8-69787

CITIGROUP GLOBAL MARKETS INC.
SEC 8-8177

Fund details & source
Fund ID
805-9037651295
Reported beneficial owners
5
Minimum commitment
$400K

Form ADV 1943948 · Feb 28, 2025 · Schedule D 7.B.(1)

Reported by MARINER INVESTMENT GROUP, LLC (CRD 124744).

Annual Updating Amendment for Registered Adviser · fiscal year 2024.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.

CONCORDIA INSTITUTIONAL MULTI-STRATEGY LTDHedge Fund$5.45BGross asset value
Fund administrator MUFG FUND SERVICES CAYMAN LIMITED HALIFAX, Canada Investor statements: Yes (provided to all investors) Related to adviser: No Other funds reporting this name →
Auditor KPMG LLP STAMFORD, Connecticut, United States Other funds reporting this name →
Custodian BARCLAYS CAPITAL INC. NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Custodian BNP PARIBAS SECURITIES CORP. NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Custodian BOFA SECURITIES, INC. NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Custodian CITIGROUP GLOBAL MARKETS INC. NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →

See filing for more → Showing the first 6 providers by role and name. IAPD may show a newer filing.

Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

KPMG LLP
PCAOB 185

BARCLAYS CAPITAL INC.
SEC 8-41342

BNP PARIBAS SECURITIES CORP.
SEC 8-32682

BOFA SECURITIES, INC.
SEC 8-69787

CITIGROUP GLOBAL MARKETS INC.
SEC 8-8177

Fund details & source
Fund ID
805-6049676519
Reported beneficial owners
6
Minimum commitment
$1M

Form ADV 1943948 · Feb 28, 2025 · Schedule D 7.B.(1)

Reported by MARINER INVESTMENT GROUP, LLC (CRD 124744).

Annual Updating Amendment for Registered Adviser · fiscal year 2024.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.

BRIGHT MEADOW AGENCY MBS MASTER FUND, LPHedge Fund · Master$5.17BGross asset value

Form D fundraising filings

View filings for the issuers linked by this fund’s reported Form D file numbers.

Fund administrator MUFG FUND SERVICES CAYMAN LIMITED HALIFAX, Canada Investor statements: Yes (provided to all investors) Related to adviser: No Other funds reporting this name →
Auditor KPMG LLP STAMFORD, Connecticut, United States Other funds reporting this name →
Custodian J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Marketer PORTUS JAPAN, INC. TOKYO, Japan Related to adviser: Yes Other funds reporting this name →
Marketer PROFOR ADVISORS NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Marketer VIGILANT DISTRIBUTORS, LLC NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →

See filing for more → Showing the first 6 providers by role and name. IAPD may show a newer filing.

Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
Yes

KPMG LLP
PCAOB 185

J.P. MORGAN SECURITIES LLC
SEC 8-35008

PROFOR ADVISORS
CRD 136084 · SEC 8-66974

VIGILANT DISTRIBUTORS, LLC
CRD 285573 · SEC 8-69854

Fund details & source
Fund ID
805-6409951832
Reported beneficial owners
69
Minimum commitment
$1M
Form D file number
021-306502
Form D file number
021-355322

Form ADV 1943948 · Feb 28, 2025 · Schedule D 7.B.(1)

Reported by MARINER INVESTMENT GROUP, LLC (CRD 124744).

Annual Updating Amendment for Registered Adviser · fiscal year 2024.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.

BRIGHT MEADOW SECURITIES STRATEGIES FUND, LLCHedge Fund$1.27BGross asset value
Fund administrator MUFG FUND SERVICES CAYMAN LIMITED HALIFAX, Canada Investor statements: Yes (provided to all investors) Related to adviser: No Other funds reporting this name →
Auditor KPMG LLP STAMFORD, Connecticut, United States Other funds reporting this name →
Custodian J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Custodian MUFG ALTERNATIVE FUND SERVICES CAYMAN LIMITED GRAND CAYMAN, Cayman Islands Related to adviser: No Other funds reporting this name →
Prime broker J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States Other funds reporting this name →
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
No

KPMG LLP
PCAOB 185

J.P. MORGAN SECURITIES LLC
SEC 8-35008

J.P. MORGAN SECURITIES LLC
CRD 79 · SEC 8-35008

Fund details & source
Fund ID
805-5022746048
Reported beneficial owners
2
Minimum commitment
$1M

Form ADV 1943948 · Feb 28, 2025 · Schedule D 7.B.(1)

Reported by MARINER INVESTMENT GROUP, LLC (CRD 124744).

Annual Updating Amendment for Registered Adviser · fiscal year 2024.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.

BRIGHT MEADOW MORTGAGE STRATEGIES MASTER FUND, L.P.Hedge Fund · Master$1.06BGross asset value

Form D fundraising filings

View filings for the issuers linked by this fund’s reported Form D file numbers.

Fund administrator MUFG FUND SERVICES CAYMAN LIMITED HALIFAX, Canada Investor statements: Yes (provided to all investors) Related to adviser: No Other funds reporting this name →
Auditor KPMG LLP STAMFORD, Connecticut, United States Other funds reporting this name →
Custodian J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Marketer PROFOR ADVISORS NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Marketer VIGILANT DISTRIBUTORS, LLC NEW YORK, New York, United States Related to adviser: No Other funds reporting this name →
Prime broker J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States Other funds reporting this name →
Provider details
Annual audit
Yes
Prime brokers
Yes
Custodians
Yes
Administrator other than the adviser
Yes
External marketing
Yes

KPMG LLP
PCAOB 185

J.P. MORGAN SECURITIES LLC
SEC 8-35008

PROFOR ADVISORS
CRD 136084 · SEC 8-66974

VIGILANT DISTRIBUTORS, LLC
CRD 285573 · SEC 8-69854

J.P. MORGAN SECURITIES LLC
CRD 79 · SEC 8-35008

Fund details & source
Fund ID
805-2244533172
Reported beneficial owners
4
Minimum commitment
$5M
Form D file number
021-135186
Form D file number
021-177991

Form ADV 1943948 · Feb 28, 2025 · Schedule D 7.B.(1)

Reported by MARINER INVESTMENT GROUP, LLC (CRD 124744).

Annual Updating Amendment for Registered Adviser · fiscal year 2024.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.

Services & filing details

Showing values from the selected filing. Latest observed filing does not establish current registration status.

What changed?

Since Mar 28, 2024 · previous imported filing

  • Regulatory AUM$126,022,034,338 → $119,844,000,000
  • Client accounts43 → 45
  • Employees126 → 134
Filing source

Form ADV 1943948 · Feb 28, 2025 · Items 1 & 5

Reported by MARINER INVESTMENT GROUP, LLC (CRD 124744).

Annual Updating Amendment for Registered Adviser · fiscal year 2024.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.

Management of assets

Discretionary
$120B
Non-discretionary
$0

Reported services

Investment company portfolio management · Pooled investment vehicle management · Business portfolio management

Compensation

Percentage of assets · Performance-based

Principal office

500 MAMARONECK AVENUE, 4TH FLOOR
HARRISON, NY, 10528, United States

CRD 124744

Filing source

Form ADV 1943948 · Feb 28, 2025 · Items 1 & 5

Reported by MARINER INVESTMENT GROUP, LLC (CRD 124744).

Annual Updating Amendment for Registered Adviser · fiscal year 2024.

Official IAPD profile (latest public filing). Historical values on this page come from the SEC/IAPD filing archive; the public profile may show a newer filing.