{
  "crd_number": 106274,
  "slug": "frontier-capital-management-co-llc-boston-ma-106274",
  "primary_business_name": "FRONTIER CAPITAL MANAGEMENT CO LLC",
  "legal_name": "FRONTIER CAPITAL MANAGEMENT CO LLC",
  "dbas": [],
  "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": "1981-01-14",
  "years_registered": 45,
  "period": "2026-10-01",
  "filing_date": "2026-09-01",
  "carried_forward": false,
  "raum_total": 9597310562.0,
  "raum_discretionary": 9597310562.0,
  "raum_non_discretionary": 0.0,
  "raum_band": "over_5b",
  "raum_band_label": "Over $5 billion",
  "total_employees": 38,
  "advisory_employees": 19,
  "client_count_bucket": "fewer_than_5_in_some_types",
  "clients_by_type": {
    "other": {
      "raum": null,
      "count": 0
    },
    "charitable": {
      "raum": 98953422.0,
      "count": null,
      "fewer_than_5": true
    },
    "individuals": {
      "raum": null,
      "count": 0
    },
    "banking_thrift": {
      "raum": null,
      "count": 0
    },
    "state_municipal": {
      "raum": 3932556015.0,
      "count": 13
    },
    "insurance_companies": {
      "raum": null,
      "count": 0
    },
    "investment_companies": {
      "raum": 2472760437.0,
      "count": 5
    },
    "pension_profit_sharing": {
      "raum": 1644848161.0,
      "count": 9
    },
    "other_investment_advisers": {
      "raum": 22942094.0,
      "count": null,
      "fewer_than_5": true
    },
    "high_net_worth_individuals": {
      "raum": null,
      "count": 0
    },
    "pooled_investment_vehicles": {
      "raum": 706009469.0,
      "count": 7
    },
    "corporations_other_businesses": {
      "raum": 480531847.0,
      "count": null,
      "fewer_than_5": true
    },
    "business_development_companies": {
      "raum": null,
      "count": 0
    },
    "sovereign_wealth_foreign_official": {
      "raum": 238709117.0,
      "count": null,
      "fewer_than_5": true
    }
  },
  "compensation_types": [
    "percentage_of_aum",
    "performance_based"
  ],
  "advisory_activities": [
    "portfolio_management_businesses_institutional",
    "portfolio_management_individuals",
    "portfolio_management_investment_companies",
    "portfolio_management_pooled_vehicles"
  ],
  "wrap_fee_participant": false,
  "disclosure_yes_count": 0,
  "states_registered": [
    "AK",
    "AL",
    "AR",
    "AZ",
    "CA",
    "CT",
    "DC",
    "DE",
    "FL",
    "GA",
    "HI",
    "IA",
    "ID",
    "IL",
    "IN",
    "KS",
    "KY",
    "LA",
    "MA",
    "MD",
    "ME",
    "MI",
    "MN",
    "MO",
    "MS",
    "MT",
    "NC",
    "ND",
    "NE",
    "NH",
    "NJ",
    "NM",
    "NV",
    "NY",
    "OH",
    "OK",
    "OR",
    "PA",
    "RI",
    "SC",
    "SD",
    "TN",
    "TX",
    "UT",
    "VA",
    "VT",
    "WA",
    "WI",
    "WV"
  ],
  "websites": [
    "https://frontiercap.com",
    "https://linkedin.com/company/frontier-capital-management-co/about"
  ],
  "iapd_url": "https://adviserinfo.sec.gov/firm/summary/106274",
  "city_as_filed": "BOSTON",
  "url": "https://advisorcensus.com/firm/frontier-capital-management-co-llc-boston-ma-106274",
  "display_name": "Frontier Capital Management Co LLC",
  "summary": "Frontier Capital Management Co LLC is an SEC-registered investment advisory firm in Boston, MA, registered since 1981, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated September 1, 2026.",
  "citation": "AdvisorCensus. Frontier Capital Management Co LLC (CRD 106274): 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 individuals and/or small businesses",
    "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 Frontier Capital Management Co LLC compensated?",
      "a": "On its Form ADV (Item 5.E, October 2026), Frontier Capital Management Co LLC reports these compensation arrangements: a percentage of assets under its management; performance-based fees."
    },
    {
      "q": "Where is Frontier Capital Management Co LLC located?",
      "a": "Frontier Capital Management Co LLC's principal office is in Boston, MA, according to its Form ADV."
    },
    {
      "q": "Is Frontier Capital Management Co LLC registered with the SEC or a state?",
      "a": "Frontier Capital Management Co LLC is an SEC-registered investment advisory firm, registered since 1981. Status as filed: Approved. CRD 106274."
    },
    {
      "q": "How much does Frontier Capital Management Co LLC manage?",
      "a": "Frontier Capital Management Co LLC reports $9,597,310,562 in regulatory assets under management in its Form ADV filing dated September 1, 2026 (100% discretionary)."
    },
    {
      "q": "How have Frontier Capital Management Co LLC's assets and staff changed since 2021?",
      "a": "In the Form ADV data for Frontier Capital Management Co LLC: Regulatory assets under management: $13,740,833,269 in the October 2021 data and $9,597,310,562 in the October 2026 data, down 30%. Total employees: 38 in October 2021 and 38 in October 2026. Assets under management move with markets as well as with clients coming and going."
    },
    {
      "q": "What types of clients does Frontier Capital Management Co LLC serve?",
      "a": "By number of clients on Form ADV Item 5.D: state or municipal government entities (including government pension plans) (13); pension and profit sharing plans (but not the plan participants or government pension plans) (9); pooled investment vehicles (other than investment companies and business development companies) (7)."
    },
    {
      "q": "Which custodians does Frontier Capital Management Co LLC use?",
      "a": "Frontier Capital Management Co LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Northern Trust Corporation, State Street Corporation and The Bank of New York Mellon Corporation as custodians holding 10% or more of its separately managed account assets."
    },
    {
      "q": "Does Frontier Capital Management Co 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/106274"
    },
    {
      "q": "What changed in Frontier Capital Management Co LLC's recent Form ADV filings?",
      "a": "In the April 2026 filing data: Employees performing advisory functions went from 20 to 19. Regulatory assets under management went from $10,722,524,618 to $9,597,310,562 (-10%). Updated its list of owners and control persons (Schedule A)."
    }
  ],
  "filing_history": [
    {
      "period": "2021-10-01",
      "regulatory_assets_under_management": 13740833269.0,
      "total_employees": 38,
      "filing_date": "2021-03-31"
    },
    {
      "period": "2022-10-01",
      "regulatory_assets_under_management": 12795761824.0,
      "total_employees": 40,
      "filing_date": "2022-03-30"
    },
    {
      "period": "2023-10-01",
      "regulatory_assets_under_management": 9292365423.0,
      "total_employees": 40,
      "filing_date": "2023-03-31"
    },
    {
      "period": "2024-10-01",
      "regulatory_assets_under_management": 10103003811.0,
      "total_employees": 41,
      "filing_date": "2024-03-28"
    },
    {
      "period": "2025-10-01",
      "regulatory_assets_under_management": 10722524618.0,
      "total_employees": 39,
      "filing_date": "2025-03-31"
    },
    {
      "period": "2026-10-01",
      "regulatory_assets_under_management": 9597310562.0,
      "total_employees": 38,
      "filing_date": "2026-09-01"
    }
  ],
  "recent_changes": [
    {
      "period": "2026-04-01",
      "period_label": "April 2026",
      "notes": [
        "Employees performing advisory functions went from 20 to 19.",
        "Regulatory assets under management went from $10,722,524,618 to $9,597,310,562 (-10%).",
        "Updated its list of owners and control persons (Schedule A)."
      ]
    }
  ],
  "fees_from_brochure": null,
  "custodians": [
    {
      "name": "Northern Trust Corporation",
      "name_as_filed": "NORTHERN TRUST CORPORATION",
      "affiliated": false
    },
    {
      "name": "State Street Corporation",
      "name_as_filed": "STATE STREET CORPORATION",
      "affiliated": false
    },
    {
      "name": "The Bank of New York Mellon Corporation",
      "name_as_filed": "THE BANK OF NEW YORK MELLON CORPORATION",
      "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/frontier-capital-management-co-llc-boston-ma-106274.md",
  "clients": [
    {
      "type": "individuals",
      "label": "Individuals (other than high net worth individuals)",
      "count": 0,
      "fewer_than_5": false,
      "raum": null
    },
    {
      "type": "high_net_worth_individuals",
      "label": "High net worth individuals",
      "count": 0,
      "fewer_than_5": false,
      "raum": null
    },
    {
      "type": "banking_thrift",
      "label": "Banking or thrift institutions",
      "count": 0,
      "fewer_than_5": false,
      "raum": null
    },
    {
      "type": "investment_companies",
      "label": "Investment companies",
      "count": 5,
      "fewer_than_5": false,
      "raum": 2472760437.0
    },
    {
      "type": "business_development_companies",
      "label": "Business development companies",
      "count": 0,
      "fewer_than_5": false,
      "raum": null
    },
    {
      "type": "pooled_investment_vehicles",
      "label": "Pooled investment vehicles (other than investment companies and business development companies)",
      "count": 7,
      "fewer_than_5": false,
      "raum": 706009469.0
    },
    {
      "type": "pension_profit_sharing",
      "label": "Pension and profit sharing plans (but not the plan participants or government pension plans)",
      "count": 9,
      "fewer_than_5": false,
      "raum": 1644848161.0
    },
    {
      "type": "charitable",
      "label": "Charitable organizations",
      "count": null,
      "fewer_than_5": true,
      "raum": 98953422.0
    },
    {
      "type": "state_municipal",
      "label": "State or municipal government entities (including government pension plans)",
      "count": 13,
      "fewer_than_5": false,
      "raum": 3932556015.0
    },
    {
      "type": "other_investment_advisers",
      "label": "Other investment advisers",
      "count": null,
      "fewer_than_5": true,
      "raum": 22942094.0
    },
    {
      "type": "insurance_companies",
      "label": "Insurance companies",
      "count": 0,
      "fewer_than_5": false,
      "raum": null
    },
    {
      "type": "sovereign_wealth_foreign_official",
      "label": "Sovereign wealth funds and foreign official institutions",
      "count": null,
      "fewer_than_5": true,
      "raum": 238709117.0
    },
    {
      "type": "corporations_other_businesses",
      "label": "Corporations or other businesses not listed above",
      "count": null,
      "fewer_than_5": true,
      "raum": 480531847.0
    },
    {
      "type": "other",
      "label": "Other",
      "count": 0,
      "fewer_than_5": false,
      "raum": null
    }
  ],
  "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/106274",
    "operator": "BH Monitor Services, LLC",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data"
  }
}