{
  "crd_number": 110901,
  "slug": "trillium-asset-management-boston-ma-110901",
  "primary_business_name": "TRILLIUM ASSET MANAGEMENT",
  "legal_name": "TRILLIUM ASSET MANAGEMENT, 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": "1982-12-03",
  "years_registered": 43,
  "period": "2026-10-01",
  "filing_date": "2026-09-03",
  "carried_forward": false,
  "raum_total": 4305067957.0,
  "raum_discretionary": 4305067957.0,
  "raum_non_discretionary": 0.0,
  "raum_band": "1b_5b",
  "raum_band_label": "$1 billion to $5 billion",
  "total_employees": 53,
  "advisory_employees": 38,
  "client_count_bucket": null,
  "clients_by_type": {
    "other": {
      "raum": 0.0,
      "count": 0
    },
    "charitable": {
      "raum": 824595174.0,
      "count": 222
    },
    "individuals": {
      "raum": 1532883820.0,
      "count": 1131
    },
    "banking_thrift": {
      "raum": 0.0,
      "count": 0
    },
    "state_municipal": {
      "raum": 0.0,
      "count": 0
    },
    "insurance_companies": {
      "raum": 0.0,
      "count": 0
    },
    "investment_companies": {
      "raum": 789723709.0,
      "count": 2
    },
    "pension_profit_sharing": {
      "raum": 31693673.0,
      "count": 7
    },
    "other_investment_advisers": {
      "raum": 0.0,
      "count": 0
    },
    "high_net_worth_individuals": {
      "raum": 760875733.0,
      "count": 600
    },
    "pooled_investment_vehicles": {
      "raum": 201163218.0,
      "count": 33
    },
    "corporations_other_businesses": {
      "raum": 164132630.0,
      "count": 48
    },
    "business_development_companies": {
      "raum": 0.0,
      "count": 0
    },
    "sovereign_wealth_foreign_official": {
      "raum": 0.0,
      "count": 0
    }
  },
  "compensation_types": [
    "fixed",
    "percentage_of_aum"
  ],
  "advisory_activities": [
    "educational_seminars",
    "periodicals_newsletters",
    "portfolio_management_businesses_institutional",
    "portfolio_management_individuals",
    "portfolio_management_investment_companies",
    "portfolio_management_pooled_vehicles",
    "selection_of_other_advisers"
  ],
  "wrap_fee_participant": true,
  "disclosure_yes_count": 0,
  "states_registered": [
    "AK",
    "AL",
    "AR",
    "AZ",
    "CA",
    "CO",
    "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",
    "PR",
    "RI",
    "SC",
    "SD",
    "TN",
    "TX",
    "UT",
    "VA",
    "VI",
    "VT",
    "WA",
    "WI",
    "WV",
    "WY"
  ],
  "websites": [
    "https://linkedin.com/company/trillium-asset-management",
    "https://trilliumassetmanagement.com",
    "https://trilliuminvest.com",
    "https://trilliummutualfunds.com"
  ],
  "iapd_url": "https://adviserinfo.sec.gov/firm/summary/110901",
  "city_as_filed": "BOSTON",
  "url": "https://advisorcensus.com/firm/trillium-asset-management-boston-ma-110901",
  "display_name": "Trillium Asset Management",
  "summary": "Trillium Asset Management is an SEC-registered investment advisory firm in Boston, MA, registered since 1982, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated September 3, 2026.",
  "citation": "AdvisorCensus. Trillium Asset Management (CRD 110901): Form ADV filing data as of October 2026.",
  "registration_type_label": "SEC-registered investment adviser",
  "compensation_labels": [
    "A percentage of assets under your management",
    "Fixed fees (other than subscription 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",
    "Selection of other advisers (including private fund managers)",
    "Publication of periodicals or newsletters",
    "Educational seminars/workshops"
  ],
  "quick_answers": [
    {
      "q": "How is Trillium Asset Management compensated?",
      "a": "On its Form ADV (Item 5.E, October 2026), Trillium Asset Management reports these compensation arrangements: a percentage of assets under its management; fixed fees (other than subscription fees)."
    },
    {
      "q": "Where is Trillium Asset Management located?",
      "a": "Trillium Asset Management's principal office is in Boston, MA, according to its Form ADV; the October 2026 filing also lists 1 other office (Schedule D, Section 1.F)."
    },
    {
      "q": "Is Trillium Asset Management registered with the SEC or a state?",
      "a": "Trillium Asset Management is an SEC-registered investment advisory firm, registered since 1982. Status as filed: Approved. CRD 110901."
    },
    {
      "q": "How much does Trillium Asset Management manage?",
      "a": "Trillium Asset Management reports $4,305,067,957 in regulatory assets under management in its Form ADV filing dated September 3, 2026 (100% discretionary)."
    },
    {
      "q": "How have Trillium Asset Management's assets and staff changed since 2021?",
      "a": "In the Form ADV data for Trillium Asset Management: Regulatory assets under management: $4,068,848,331 in the October 2021 data and $4,305,067,957 in the October 2026 data, up 6%. Total employees: 38 in October 2021 and 53 in October 2026. Assets under management move with markets as well as with clients coming and going."
    },
    {
      "q": "What types of clients does Trillium Asset Management serve?",
      "a": "By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (1,131); high net worth individuals (600); charitable organizations (222)."
    },
    {
      "q": "Which custodians does Trillium Asset Management use?",
      "a": "Trillium Asset Management's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Charles Schwab & Co., Inc. and UBS Financial Services Inc. as custodians holding 10% or more of its separately managed account assets."
    },
    {
      "q": "Does Trillium 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/110901"
    },
    {
      "q": "What changed in Trillium Asset Management's recent Form ADV filings?",
      "a": "In the October 2026 filing data: Changed its office addresses in San Francisco, CA."
    }
  ],
  "filing_history": [
    {
      "period": "2021-10-01",
      "regulatory_assets_under_management": 4068848331.0,
      "total_employees": 38,
      "filing_date": "2021-03-29"
    },
    {
      "period": "2022-10-01",
      "regulatory_assets_under_management": 5676112804.0,
      "total_employees": 40,
      "filing_date": "2022-03-30"
    },
    {
      "period": "2023-10-01",
      "regulatory_assets_under_management": 4471975243.0,
      "total_employees": 51,
      "filing_date": "2023-03-30"
    },
    {
      "period": "2024-10-01",
      "regulatory_assets_under_management": 4966006715.0,
      "total_employees": 54,
      "filing_date": "2024-05-20"
    },
    {
      "period": "2025-10-01",
      "regulatory_assets_under_management": 5012664360.0,
      "total_employees": 50,
      "filing_date": "2025-05-12"
    },
    {
      "period": "2026-10-01",
      "regulatory_assets_under_management": 4305067957.0,
      "total_employees": 53,
      "filing_date": "2026-09-03"
    }
  ],
  "recent_changes": [
    {
      "period": "2026-10-01",
      "period_label": "October 2026",
      "notes": [
        "Changed its office addresses in San Francisco, CA."
      ]
    },
    {
      "period": "2026-08-01",
      "period_label": "August 2026",
      "notes": [
        "Updated its list of owners and control persons (Schedule A)."
      ]
    },
    {
      "period": "2026-04-01",
      "period_label": "April 2026",
      "notes": [
        "Regulatory assets under management went from $5,012,664,360 to $4,305,067,957 (-14%).",
        "Registered or notice-filed in AK, AL, AR, IA, KS, MS, ND, NE, OK, PR, SD, VI, WV.",
        "Updated its list of owners and control persons (Schedule A)."
      ]
    }
  ],
  "fees_from_brochure": null,
  "custodians": [
    {
      "name": "Charles Schwab & Co., Inc.",
      "name_as_filed": "CHARLES SCHWAB & CO., INC.",
      "affiliated": false
    },
    {
      "name": "UBS Financial Services Inc.",
      "name_as_filed": "UBS FINANCIAL SERVICES INC.",
      "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/trillium-asset-management-boston-ma-110901.md",
  "clients": [
    {
      "type": "individuals",
      "label": "Individuals (other than high net worth individuals)",
      "count": 1131,
      "fewer_than_5": false,
      "raum": 1532883820.0
    },
    {
      "type": "high_net_worth_individuals",
      "label": "High net worth individuals",
      "count": 600,
      "fewer_than_5": false,
      "raum": 760875733.0
    },
    {
      "type": "banking_thrift",
      "label": "Banking or thrift institutions",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "investment_companies",
      "label": "Investment companies",
      "count": 2,
      "fewer_than_5": false,
      "raum": 789723709.0
    },
    {
      "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": 33,
      "fewer_than_5": false,
      "raum": 201163218.0
    },
    {
      "type": "pension_profit_sharing",
      "label": "Pension and profit sharing plans (but not the plan participants or government pension plans)",
      "count": 7,
      "fewer_than_5": false,
      "raum": 31693673.0
    },
    {
      "type": "charitable",
      "label": "Charitable organizations",
      "count": 222,
      "fewer_than_5": false,
      "raum": 824595174.0
    },
    {
      "type": "state_municipal",
      "label": "State or municipal government entities (including government pension plans)",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "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": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "corporations_other_businesses",
      "label": "Corporations or other businesses not listed above",
      "count": 48,
      "fewer_than_5": false,
      "raum": 164132630.0
    },
    {
      "type": "other",
      "label": "Other",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    }
  ],
  "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/110901",
    "operator": "BH Monitor Services, LLC",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data"
  }
}