{ "crd_number": 114335, "slug": "impax-asset-management-llc-portsmouth-nh-114335", "primary_business_name": "IMPAX ASSET MANAGEMENT LLC", "legal_name": "IMPAX ASSET MANAGEMENT LLC", "dbas": [], "city": "Portsmouth", "state": "NH", "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": "1972-03-24", "years_registered": 54, "period": "2026-10-01", "filing_date": "2026-09-29", "carried_forward": false, "raum_total": 8942785264.0, "raum_discretionary": 8942785264.0, "raum_non_discretionary": 0.0, "raum_band": "over_5b", "raum_band_label": "Over $5 billion", "total_employees": 93, "advisory_employees": 30, "client_count_bucket": null, "clients_by_type": { "investment_companies": { "raum": 7789559737.0, "count": 12 }, "other_investment_advisers": { "raum": 128357125.0, "count": 8 }, "pooled_investment_vehicles": { "raum": 1024868402.0, "count": 7 } }, "compensation_types": [ "percentage_of_aum" ], "advisory_activities": [ "portfolio_management_businesses_institutional", "portfolio_management_investment_companies", "portfolio_management_pooled_vehicles" ], "wrap_fee_participant": false, "disclosure_yes_count": 0, "states_registered": [ "CA", "CO", "CT", "FL", "IL", "MA", "MD", "ME", "NH", "NY" ], "websites": [ "https://impaxam.com", "https://linkedin.com/company/impax-funds-us" ], "iapd_url": "https://adviserinfo.sec.gov/firm/summary/114335", "city_as_filed": "PORTSMOUTH", "url": "https://advisorcensus.com/firm/impax-asset-management-llc-portsmouth-nh-114335", "display_name": "Impax Asset Management LLC", "summary": "Impax Asset Management LLC is an SEC-registered investment advisory firm in Portsmouth, NH, registered since 1972, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated September 29, 2026.", "citation": "AdvisorCensus. Impax Asset Management LLC (CRD 114335): Form ADV filing data as of October 2026.", "registration_type_label": "SEC-registered investment adviser", "compensation_labels": [ "A percentage of assets under your management" ], "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 Impax Asset Management LLC compensated?", "a": "On its Form ADV (Item 5.E, October 2026), Impax Asset Management LLC reports these compensation arrangements: a percentage of assets under its management." }, { "q": "Where is Impax Asset Management LLC located?", "a": "Impax Asset Management LLC's principal office is in Portsmouth, NH, according to its Form ADV; the October 2026 filing also lists 1 other office (Schedule D, Section 1.F)." }, { "q": "Is Impax Asset Management LLC registered with the SEC or a state?", "a": "Impax Asset Management LLC is an SEC-registered investment advisory firm, registered since 1972. Status as filed: Approved. CRD 114335." }, { "q": "How much does Impax Asset Management LLC manage?", "a": "Impax Asset Management LLC reports $8,942,785,264 in regulatory assets under management in its Form ADV filing dated September 29, 2026 (100% discretionary)." }, { "q": "How have Impax Asset Management LLC's assets and staff changed since 2021?", "a": "In the Form ADV data for Impax Asset Management LLC: Regulatory assets under management: $5,332,933,707 in the October 2021 data and $8,942,785,264 in the October 2026 data, up 68%. Total employees: 62 in October 2021 and 93 in October 2026. Assets under management move with markets as well as with clients coming and going." }, { "q": "What types of clients does Impax Asset Management LLC serve?", "a": "By number of clients on Form ADV Item 5.D: investment companies (12); other investment advisers (8); pooled investment vehicles (other than investment companies and business development companies) (7)." }, { "q": "Which custodians does Impax Asset Management LLC use?", "a": "Impax Asset Management LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists BNY Mellon, Caceis Bank and State Street Bank as custodians holding 10% or more of its separately managed account assets." }, { "q": "Does Impax Asset Management 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/114335" }, { "q": "What changed in Impax Asset Management LLC's recent Form ADV filings?", "a": "In the January 2026 filing data: Employees performing advisory functions went from 36 to 30. Registered or notice-filed in CA, CO, CT, FL, IL, MA, MD, ME, NY. Updated its list of owners and control persons (Schedule A)." } ], "filing_history": [ { "period": "2021-10-01", "regulatory_assets_under_management": 5332933707.0, "total_employees": 62, "filing_date": "2020-12-23" }, { "period": "2022-10-01", "regulatory_assets_under_management": 8533503708.0, "total_employees": 77, "filing_date": "2022-04-12" }, { "period": "2023-10-01", "regulatory_assets_under_management": 7540692270.0, "total_employees": 104, "filing_date": "2023-01-18" }, { "period": "2024-10-01", "regulatory_assets_under_management": 9078719479.0, "total_employees": 115, "filing_date": "2024-04-02" }, { "period": "2025-10-01", "regulatory_assets_under_management": 9643533263.0, "total_employees": 113, "filing_date": "2024-12-20" }, { "period": "2026-10-01", "regulatory_assets_under_management": 8942785264.0, "total_employees": 93, "filing_date": "2026-09-29" } ], "recent_changes": [ { "period": "2026-01-01", "period_label": "January 2026", "notes": [ "Employees performing advisory functions went from 36 to 30.", "Registered or notice-filed in CA, CO, CT, FL, IL, MA, MD, ME, NY.", "Updated its list of owners and control persons (Schedule A)." ] } ], "fees_from_brochure": null, "custodians": [ { "name": "BNY Mellon", "name_as_filed": "BNY MELLON", "affiliated": false }, { "name": "Caceis Bank", "name_as_filed": "CACEIS BANK", "affiliated": false }, { "name": "State Street Bank", "name_as_filed": "STATE STREET BANK", "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/impax-asset-management-llc-portsmouth-nh-114335.md", "clients": [ { "type": "investment_companies", "label": "Investment companies", "count": 12, "fewer_than_5": false, "raum": 7789559737.0 }, { "type": "pooled_investment_vehicles", "label": "Pooled investment vehicles (other than investment companies and business development companies)", "count": 7, "fewer_than_5": false, "raum": 1024868402.0 }, { "type": "other_investment_advisers", "label": "Other investment advisers", "count": 8, "fewer_than_5": false, "raum": 128357125.0 } ], "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/114335", "operator": "BH Monitor Services, LLC", "license": "https://creativecommons.org/licenses/by/4.0/", "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data" } }