{
  "crd_number": 124744,
  "slug": "mariner-investment-group-llc-new-york-ny-124744",
  "primary_business_name": "MARINER INVESTMENT GROUP, LLC",
  "legal_name": "MARINER INVESTMENT GROUP, LLC",
  "dbas": [
    "\"BRIGHT MEADOW\" INCLUDING BRIGHT MEADOW CAPITAL AGENCY, LLC",
    "\"BRIGHT MEADOW\" INCLUDING BRIGHT MEADOW CAPITAL, LLC",
    "\"CICERO\" INCLUDING MARINER CICERO GP, LLC",
    "\"CONCORDIA\" AND \"CONCORDIA G10\" INCLUDING CONCORDIA G10 STRATEGIES GP LLC",
    "\"CONCORDIA\" AND \"CONCORDIA MUNI\" INCLUDING CONCORDIA MUNICIPAL STRATEGIES GP LLC",
    "\"GLEN OAKS\" INCLUDING MARINER GLEN OAKS GP, LLC",
    "BOWPORT",
    "MARINER FRONTIER GP, LLC",
    "MARINER GP, LLC",
    "OXUS",
    "PECONIC BAY",
    "SILVERMINE"
  ],
  "city": "New York",
  "state": "NY",
  "country": "United States",
  "cbsa_code": "35620",
  "metro": {
    "cbsa_code": "35620",
    "common_name": "New York",
    "msa_name": "New York-Newark-Jersey City, NY-NJ",
    "path": "/advisors/ny/new-york"
  },
  "registration_type": "sec",
  "registration_status": "Approved",
  "registration_date": "2003-05-14",
  "years_registered": 23,
  "period": "2026-10-01",
  "filing_date": "2026-08-28",
  "carried_forward": false,
  "raum_total": 176308128651.0,
  "raum_discretionary": 176308128651.0,
  "raum_non_discretionary": 0.0,
  "raum_band": "over_5b",
  "raum_band_label": "Over $5 billion",
  "total_employees": 176,
  "advisory_employees": 89,
  "client_count_bucket": "fewer_than_5_in_some_types",
  "clients_by_type": {
    "investment_companies": {
      "raum": 4396190611.0,
      "count": 2
    },
    "pension_profit_sharing": {
      "raum": 2782251124.0,
      "count": null,
      "fewer_than_5": true
    },
    "pooled_investment_vehicles": {
      "raum": 127217602356.0,
      "count": 34
    },
    "sovereign_wealth_foreign_official": {
      "raum": 41912084560.0,
      "count": null,
      "fewer_than_5": true
    }
  },
  "compensation_types": [
    "percentage_of_aum",
    "performance_based"
  ],
  "advisory_activities": [
    "portfolio_management_businesses_institutional",
    "portfolio_management_investment_companies",
    "portfolio_management_pooled_vehicles"
  ],
  "wrap_fee_participant": false,
  "disclosure_yes_count": 0,
  "states_registered": [
    "CT",
    "MD",
    "NJ",
    "NY"
  ],
  "websites": [
    "https://brightmeadowcapital.com",
    "https://linkedin.com/company/brightmeadow",
    "https://linkedin.com/company/mariner-investment-group",
    "https://marinerinvestment.com"
  ],
  "iapd_url": "https://adviserinfo.sec.gov/firm/summary/124744",
  "city_as_filed": "NEW YORK",
  "url": "https://advisorcensus.com/firm/mariner-investment-group-llc-new-york-ny-124744",
  "display_name": "Mariner Investment Group, LLC",
  "summary": "Mariner Investment Group, LLC is an SEC-registered investment advisory firm in New York, NY, registered since 2003, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated August 28, 2026.",
  "citation": "AdvisorCensus. Mariner Investment Group, LLC (CRD 124744): Form ADV filing data as of October 2026.",
  "registration_type_label": "SEC-registered investment adviser",
  "compensation_labels": [
    "A percentage of assets under your management",
    "Performance-based fees"
  ],
  "advisory_activity_labels": [
    "Portfolio management for investment companies (and business development companies)",
    "Portfolio management for pooled investment vehicles (other than investment companies)",
    "Portfolio management for businesses (other than small businesses) or institutional clients"
  ],
  "quick_answers": [
    {
      "q": "How is Mariner Investment Group, LLC compensated?",
      "a": "On its Form ADV (Item 5.E, October 2026), Mariner Investment Group, LLC reports these compensation arrangements: a percentage of assets under its management; performance-based fees."
    },
    {
      "q": "Where is Mariner Investment Group, LLC located?",
      "a": "Mariner Investment Group, LLC's principal office is in New York, NY, according to its Form ADV; the September 2026 filing also lists 5 other offices (Schedule D, Section 1.F)."
    },
    {
      "q": "Is Mariner Investment Group, LLC registered with the SEC or a state?",
      "a": "Mariner Investment Group, LLC is an SEC-registered investment advisory firm, registered since 2003. Status as filed: Approved. CRD 124744."
    },
    {
      "q": "How much does Mariner Investment Group, LLC manage?",
      "a": "Mariner Investment Group, LLC reports $176,308,128,651 in regulatory assets under management in its Form ADV filing dated August 28, 2026 (100% discretionary)."
    },
    {
      "q": "How have Mariner Investment Group, LLC's assets and staff changed since 2021?",
      "a": "In the Form ADV data for Mariner Investment Group, LLC: Regulatory assets under management: $188,025,970,411 in the October 2021 data and $176,308,128,651 in the October 2026 data, down 6%. Total employees: 109 in October 2021 and 176 in October 2026. Assets under management move with markets as well as with clients coming and going."
    },
    {
      "q": "What types of clients does Mariner Investment Group, LLC serve?",
      "a": "By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (34); investment companies (2)."
    },
    {
      "q": "Which custodians does Mariner Investment Group, LLC use?",
      "a": "Mariner Investment Group, LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists J.P. Morgan Securities LLC and SG Americas Securities, LLC as custodians holding 10% or more of its separately managed account assets."
    },
    {
      "q": "Does Mariner Investment Group, LLC report any disciplinary disclosures?",
      "a": "Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/124744"
    },
    {
      "q": "What changed in Mariner Investment Group, LLC's recent Form ADV filings?",
      "a": "In the September 2026 filing data: Employees performing advisory functions went from 91 to 89. Regulatory assets under management went from $149,623,092,189 to $176,308,128,651 (+18%). Added an office in Purchase, NY. No longer lists an office in Harrison, NY."
    }
  ],
  "filing_history": [
    {
      "period": "2021-10-01",
      "regulatory_assets_under_management": 188025970411.0,
      "total_employees": 109,
      "filing_date": "2021-04-16"
    },
    {
      "period": "2022-10-01",
      "regulatory_assets_under_management": 219371099362.0,
      "total_employees": 114,
      "filing_date": "2022-08-25"
    },
    {
      "period": "2023-10-01",
      "regulatory_assets_under_management": 180493766178.0,
      "total_employees": 117,
      "filing_date": "2023-07-03"
    },
    {
      "period": "2024-10-01",
      "regulatory_assets_under_management": 126022034338.0,
      "total_employees": 126,
      "filing_date": "2024-03-28"
    },
    {
      "period": "2025-10-01",
      "regulatory_assets_under_management": 119844184594.0,
      "total_employees": 134,
      "filing_date": "2025-03-07"
    },
    {
      "period": "2026-10-01",
      "regulatory_assets_under_management": 176308128651.0,
      "total_employees": 176,
      "filing_date": "2026-08-28"
    }
  ],
  "recent_changes": [
    {
      "period": "2026-09-01",
      "period_label": "September 2026",
      "notes": [
        "Employees performing advisory functions went from 91 to 89.",
        "Regulatory assets under management went from $149,623,092,189 to $176,308,128,651 (+18%).",
        "Added an office in Purchase, NY.",
        "No longer lists an office in Harrison, NY."
      ]
    },
    {
      "period": "2026-04-01",
      "period_label": "April 2026",
      "notes": [
        "No longer lists the business name Galton Capital Group IV, LLC.",
        "Employees performing advisory functions went from 74 to 91.",
        "Regulatory assets under management went from $119,844,184,594 to $149,623,092,189 (+25%).",
        "Changed its office addresses in Summit, NJ.",
        "Added an office in Harrison, NY.",
        "Added an office in London.",
        "No longer lists an office in New York, NY.",
        "Updated its list of owners and control persons (Schedule A)."
      ]
    },
    {
      "period": "2026-01-01",
      "period_label": "January 2026",
      "notes": [
        "No longer registered or notice-filed in NC."
      ]
    }
  ],
  "fees_from_brochure": null,
  "custodians": [
    {
      "name": "J.P. Morgan Securities LLC",
      "name_as_filed": "J.P. MORGAN SECURITIES LLC",
      "affiliated": false
    },
    {
      "name": "SG Americas Securities, LLC",
      "name_as_filed": "SG AMERICAS SECURITIES, LLC",
      "affiliated": false
    }
  ],
  "custodians_note": "Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.",
  "markdown_url": "https://advisorcensus.com/firm/mariner-investment-group-llc-new-york-ny-124744.md",
  "clients": [
    {
      "type": "investment_companies",
      "label": "Investment companies",
      "count": 2,
      "fewer_than_5": false,
      "raum": 4396190611.0
    },
    {
      "type": "pooled_investment_vehicles",
      "label": "Pooled investment vehicles (other than investment companies and business development companies)",
      "count": 34,
      "fewer_than_5": false,
      "raum": 127217602356.0
    },
    {
      "type": "pension_profit_sharing",
      "label": "Pension and profit sharing plans (but not the plan participants or government pension plans)",
      "count": null,
      "fewer_than_5": true,
      "raum": 2782251124.0
    },
    {
      "type": "sovereign_wealth_foreign_official",
      "label": "Sovereign wealth funds and foreign official institutions",
      "count": null,
      "fewer_than_5": true,
      "raum": 41912084560.0
    }
  ],
  "disclosure_line": "Reports no disclosure items on Form ADV Item 11.",
  "disclosure_items": [],
  "indexable": true,
  "suppressed": false,
  "claimed": false,
  "enhanced": false,
  "provided_by_the_firm": null,
  "source": {
    "name": "Form ADV",
    "as_of": "2026-10-01",
    "iapd_url": "https://adviserinfo.sec.gov/firm/summary/124744",
    "operator": "BH Monitor Services, LLC",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data"
  }
}