{
  "crd_number": 106609,
  "slug": "acadian-asset-management-boston-ma-106609",
  "primary_business_name": "ACADIAN ASSET MANAGEMENT",
  "legal_name": "ACADIAN ASSET MANAGEMENT LLC",
  "dbas": [
    "ACADIAN ASSET MANAGEMENT"
  ],
  "city": "Boston",
  "state": "MA",
  "country": "United States",
  "cbsa_code": "14460",
  "metro": {
    "cbsa_code": "14460",
    "common_name": "Boston",
    "msa_name": "Boston-Cambridge-Newton, MA-NH",
    "path": "/advisors/ma/boston"
  },
  "registration_type": "sec",
  "registration_status": "Approved",
  "registration_date": "1986-10-10",
  "years_registered": 39,
  "period": "2026-10-01",
  "filing_date": "2026-08-10",
  "carried_forward": false,
  "raum_total": 177464258309.0,
  "raum_discretionary": 175187165584.0,
  "raum_non_discretionary": 2277092725.0,
  "raum_band": "over_5b",
  "raum_band_label": "Over $5 billion",
  "total_employees": 375,
  "advisory_employees": 125,
  "client_count_bucket": "fewer_than_5_in_some_types",
  "clients_by_type": {
    "other": {
      "raum": 40331632151.0,
      "count": 59,
      "description": "NON-US PENSION, NON-US PUBLIC, TAFT HARTLEY, MODEL PORTFOLIOS, FAMILY OFFICE"
    },
    "charitable": {
      "raum": 7242072457.0,
      "count": 27
    },
    "individuals": {
      "raum": 0.0,
      "count": 0
    },
    "banking_thrift": {
      "raum": 0.0,
      "count": 0
    },
    "state_municipal": {
      "raum": 40499138604.0,
      "count": 66
    },
    "insurance_companies": {
      "raum": 0.0,
      "count": 0
    },
    "investment_companies": {
      "raum": 11481777429.0,
      "count": 16
    },
    "pension_profit_sharing": {
      "raum": 5671656940.0,
      "count": 27
    },
    "other_investment_advisers": {
      "raum": 0.0,
      "count": 0
    },
    "high_net_worth_individuals": {
      "raum": 0.0,
      "count": 0
    },
    "pooled_investment_vehicles": {
      "raum": 64646987174.0,
      "count": 148
    },
    "corporations_other_businesses": {
      "raum": 110916195.0,
      "count": 2,
      "fewer_than_5": true
    },
    "business_development_companies": {
      "raum": 0.0,
      "count": 0
    },
    "sovereign_wealth_foreign_official": {
      "raum": 7480077359.0,
      "count": 5
    }
  },
  "compensation_types": [
    "percentage_of_aum",
    "performance_based"
  ],
  "advisory_activities": [
    "other",
    "portfolio_management_businesses_institutional",
    "portfolio_management_investment_companies",
    "portfolio_management_pooled_vehicles"
  ],
  "wrap_fee_participant": false,
  "disclosure_yes_count": 0,
  "states_registered": [
    "MA"
  ],
  "websites": [
    "https://acadian-asset.com",
    "https://acadian-inc.com",
    "https://linkedin.com/COMPANY/ACADIAN-ASSET-MANAGEMENT"
  ],
  "iapd_url": "https://adviserinfo.sec.gov/firm/summary/106609",
  "city_as_filed": "BOSTON",
  "url": "https://advisorcensus.com/firm/acadian-asset-management-boston-ma-106609",
  "display_name": "Acadian Asset Management",
  "summary": "Acadian Asset Management is an SEC-registered investment advisory firm in Boston, MA, registered since 1986, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated August 10, 2026.",
  "citation": "AdvisorCensus. Acadian Asset Management (CRD 106609): 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",
    "Other"
  ],
  "quick_answers": [
    {
      "q": "How is Acadian Asset Management compensated?",
      "a": "On its Form ADV (Item 5.E, October 2026), Acadian Asset Management reports these compensation arrangements: a percentage of assets under its management; performance-based fees."
    },
    {
      "q": "Where is Acadian Asset Management located?",
      "a": "Acadian Asset Management's principal office is in Boston, MA, according to its Form ADV."
    },
    {
      "q": "Is Acadian Asset Management registered with the SEC or a state?",
      "a": "Acadian Asset Management is an SEC-registered investment advisory firm, registered since 1986. Status as filed: Approved. CRD 106609."
    },
    {
      "q": "How much does Acadian Asset Management manage?",
      "a": "Acadian Asset Management reports $177,464,258,309 in regulatory assets under management in its Form ADV filing dated August 10, 2026 (99% discretionary)."
    },
    {
      "q": "How have Acadian Asset Management's assets and staff changed since 2021?",
      "a": "In the Form ADV data for Acadian Asset Management: Regulatory assets under management: $107,229,150,463 in the October 2021 data and $177,464,258,309 in the October 2026 data, up 66%. Total employees: 370 in October 2021 and 375 in October 2026. Assets under management move with markets as well as with clients coming and going."
    },
    {
      "q": "What types of clients does Acadian Asset Management serve?",
      "a": "By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (148); state or municipal government entities (including government pension plans) (66); other (59)."
    },
    {
      "q": "Which custodians does Acadian Asset Management use?",
      "a": "Acadian Asset Management's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists BNY Mellon, Citi, JPMorgan Chase, State Street and The Northern Trust Company as custodians holding 10% or more of its separately managed account assets."
    },
    {
      "q": "Does Acadian Asset Management 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/106609"
    },
    {
      "q": "What changed in Acadian Asset Management's recent Form ADV filings?",
      "a": "In the April 2026 filing data: Employees performing advisory functions went from 130 to 125. Regulatory assets under management went from $117,297,475,194 to $177,464,258,309 (+51%)."
    }
  ],
  "filing_history": [
    {
      "period": "2021-10-01",
      "regulatory_assets_under_management": 107229150463.0,
      "total_employees": 370,
      "filing_date": "2021-03-29"
    },
    {
      "period": "2022-10-01",
      "regulatory_assets_under_management": 116160751772.0,
      "total_employees": 370,
      "filing_date": "2022-09-23"
    },
    {
      "period": "2023-10-01",
      "regulatory_assets_under_management": 92942123864.0,
      "total_employees": 330,
      "filing_date": "2023-05-11"
    },
    {
      "period": "2024-10-01",
      "regulatory_assets_under_management": 101657441852.0,
      "total_employees": 364,
      "filing_date": "2024-08-26"
    },
    {
      "period": "2025-10-01",
      "regulatory_assets_under_management": 117297475194.0,
      "total_employees": 363,
      "filing_date": "2025-05-20"
    },
    {
      "period": "2026-10-01",
      "regulatory_assets_under_management": 177464258309.0,
      "total_employees": 375,
      "filing_date": "2026-08-10"
    }
  ],
  "recent_changes": [
    {
      "period": "2026-04-01",
      "period_label": "April 2026",
      "notes": [
        "Employees performing advisory functions went from 130 to 125.",
        "Regulatory assets under management went from $117,297,475,194 to $177,464,258,309 (+51%)."
      ]
    }
  ],
  "fees_from_brochure": null,
  "custodians": [
    {
      "name": "BNY Mellon",
      "name_as_filed": "BNY MELLON",
      "affiliated": false
    },
    {
      "name": "Citi",
      "name_as_filed": "CITI",
      "affiliated": false
    },
    {
      "name": "JPMorgan Chase",
      "name_as_filed": "JPMORGAN CHASE",
      "affiliated": false
    },
    {
      "name": "State Street",
      "name_as_filed": "STATE STREET",
      "affiliated": false
    },
    {
      "name": "The Northern Trust Company",
      "name_as_filed": "THE NORTHERN TRUST COMPANY",
      "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/acadian-asset-management-boston-ma-106609.md",
  "clients": [
    {
      "type": "individuals",
      "label": "Individuals (other than high net worth individuals)",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "high_net_worth_individuals",
      "label": "High net worth individuals",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "banking_thrift",
      "label": "Banking or thrift institutions",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "investment_companies",
      "label": "Investment companies",
      "count": 16,
      "fewer_than_5": false,
      "raum": 11481777429.0
    },
    {
      "type": "business_development_companies",
      "label": "Business development companies",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "pooled_investment_vehicles",
      "label": "Pooled investment vehicles (other than investment companies and business development companies)",
      "count": 148,
      "fewer_than_5": false,
      "raum": 64646987174.0
    },
    {
      "type": "pension_profit_sharing",
      "label": "Pension and profit sharing plans (but not the plan participants or government pension plans)",
      "count": 27,
      "fewer_than_5": false,
      "raum": 5671656940.0
    },
    {
      "type": "charitable",
      "label": "Charitable organizations",
      "count": 27,
      "fewer_than_5": false,
      "raum": 7242072457.0
    },
    {
      "type": "state_municipal",
      "label": "State or municipal government entities (including government pension plans)",
      "count": 66,
      "fewer_than_5": false,
      "raum": 40499138604.0
    },
    {
      "type": "other_investment_advisers",
      "label": "Other investment advisers",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "insurance_companies",
      "label": "Insurance companies",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "sovereign_wealth_foreign_official",
      "label": "Sovereign wealth funds and foreign official institutions",
      "count": 5,
      "fewer_than_5": false,
      "raum": 7480077359.0
    },
    {
      "type": "corporations_other_businesses",
      "label": "Corporations or other businesses not listed above",
      "count": 2,
      "fewer_than_5": true,
      "raum": 110916195.0
    },
    {
      "type": "other",
      "label": "Other",
      "count": 59,
      "fewer_than_5": false,
      "raum": 40331632151.0
    }
  ],
  "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/106609",
    "operator": "BH Monitor Services, LLC",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data"
  }
}