{ "crd_number": 111113, "slug": "mason-investment-advisory-services-inc-reston-va-111113", "primary_business_name": "MASON INVESTMENT ADVISORY SERVICES INC", "legal_name": "MASON INVESTMENT ADVISORY SERVICES INC", "dbas": [], "city": "Reston", "state": "VA", "country": "United States", "cbsa_code": "47900", "metro": { "cbsa_code": "47900", "common_name": "Washington", "msa_name": "Washington-Arlington-Alexandria, DC-VA-MD-WV", "path": "/advisors/dc/washington" }, "registration_type": "sec", "registration_status": "Approved", "registration_date": "1982-12-20", "years_registered": 43, "period": "2026-10-01", "filing_date": "2026-03-27", "carried_forward": false, "raum_total": 15671432130.0, "raum_discretionary": 14597674775.0, "raum_non_discretionary": 1073757355.0, "raum_band": "over_5b", "raum_band_label": "Over $5 billion", "total_employees": 72, "advisory_employees": 32, "client_count_bucket": null, "clients_by_type": { "charitable": { "raum": 5439485119.0, "count": 71 }, "individuals": { "raum": 117659881.0, "count": 304 }, "pension_profit_sharing": { "raum": 420332577.0, "count": 5 }, "high_net_worth_individuals": { "raum": 6849321421.0, "count": 759 }, "corporations_other_businesses": { "raum": 2844633132.0, "count": 8 } }, "compensation_types": [ "fixed", "percentage_of_aum" ], "advisory_activities": [ "financial_planning", "portfolio_management_businesses_institutional", "portfolio_management_individuals", "selection_of_other_advisers" ], "wrap_fee_participant": false, "disclosure_yes_count": 3, "states_registered": [ "AL", "AZ", "CA", "CO", "CT", "DC", "DE", "FL", "GA", "IA", "ID", "IL", "IN", "KS", "KY", "LA", "MA", "MD", "MI", "MN", "MO", "MT", "NC", "NH", "NJ", "NM", "NV", "NY", "OH", "OR", "PA", "SC", "TN", "TX", "UT", "VA", "VT", "WA", "WI", "WY" ], "websites": [ "https://linkedin.com/company/mason-investment-advisory-services", "https://masoncompanies.com", "https://x.com/MasonInvests" ], "iapd_url": "https://adviserinfo.sec.gov/firm/summary/111113", "disclosure_items": [ { "item": "11.C(2)", "question": "Has the SEC or the CFTC ever found that the firm or an advisory affiliate was involved in a violation of SEC or CFTC regulations or statutes?" }, { "item": "11.C(4)", "question": "Has the SEC or the CFTC ever entered an order against the firm or an advisory affiliate in connection with investment-related activity?" }, { "item": "11.C(5)", "question": "Has the SEC or the CFTC ever imposed a civil money penalty on the firm or an advisory affiliate, or ordered the firm or an advisory affiliate to cease and desist from an activity?" } ], "city_as_filed": "RESTON", "url": "https://advisorcensus.com/firm/mason-investment-advisory-services-inc-reston-va-111113", "display_name": "Mason Investment Advisory Services Inc", "summary": "Mason Investment Advisory Services Inc is an SEC-registered investment advisory firm in Reston, VA, registered since 1982, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated March 27, 2026.", "citation": "AdvisorCensus. Mason Investment Advisory Services Inc (CRD 111113): 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": [ "Financial planning services", "Portfolio management for individuals and/or small businesses", "Portfolio management for businesses (other than small businesses) or institutional clients", "Selection of other advisers (including private fund managers)" ], "quick_answers": [ { "q": "How is Mason Investment Advisory Services Inc compensated?", "a": "On its Form ADV (Item 5.E, October 2026), Mason Investment Advisory Services Inc reports these compensation arrangements: a percentage of assets under its management; fixed fees (other than subscription fees)." }, { "q": "Where is Mason Investment Advisory Services Inc located?", "a": "Mason Investment Advisory Services Inc's principal office is in Reston, VA, according to its Form ADV." }, { "q": "Is Mason Investment Advisory Services Inc registered with the SEC or a state?", "a": "Mason Investment Advisory Services Inc is an SEC-registered investment advisory firm, registered since 1982. Status as filed: Approved. CRD 111113." }, { "q": "How much does Mason Investment Advisory Services Inc manage?", "a": "Mason Investment Advisory Services Inc reports $15,671,432,130 in regulatory assets under management in its Form ADV filing dated March 27, 2026 (93% discretionary)." }, { "q": "How have Mason Investment Advisory Services Inc's assets and staff changed since 2021?", "a": "In the Form ADV data for Mason Investment Advisory Services Inc: Regulatory assets under management: $9,527,636,487 in the October 2021 data and $15,671,432,130 in the October 2026 data, up 64%. Total employees: 71 in October 2021 and 72 in October 2026. Assets under management move with markets as well as with clients coming and going." }, { "q": "What types of clients does Mason Investment Advisory Services Inc serve?", "a": "By number of clients on Form ADV Item 5.D: high net worth individuals (759); individuals (other than high net worth individuals) (304); charitable organizations (71)." }, { "q": "Which custodians does Mason Investment Advisory Services Inc use?", "a": "Mason Investment Advisory Services Inc's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Pershing Advisor Solutions LLC as a custodian holding 10% or more of its separately managed account assets." }, { "q": "Does Mason Investment Advisory Services Inc report any disciplinary disclosures?", "a": "Reports 3 disclosure items on Form ADV Item 11: yes answers to 11.C(2) (SEC or CFTC finding of a violation), 11.C(4) (SEC or CFTC order), and 11.C(5) (SEC or CFTC civil money penalty or cease-and-desist order). Each question covers the firm and its advisory affiliates, and one event can produce several yes answers. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/111113" }, { "q": "Does Mason Investment Advisory Services Inc state an account minimum?", "a": "Its Form ADV Part 2A brochure dated March 27, 2026 says: \"We generally require a minimum account size of $1 million to open and manage an account.\"" }, { "q": "What changed in Mason Investment Advisory Services Inc's recent Form ADV filings?", "a": "In the April 2026 filing data: Employees performing advisory functions went from 31 to 32. Regulatory assets under management went from $13,204,245,927 to $15,671,432,130 (+19%)." } ], "filing_history": [ { "period": "2021-10-01", "regulatory_assets_under_management": 9527636487.0, "total_employees": 71, "filing_date": "2021-06-01" }, { "period": "2022-10-01", "regulatory_assets_under_management": 11226716174.0, "total_employees": 72, "filing_date": "2022-06-28" }, { "period": "2023-10-01", "regulatory_assets_under_management": 10094475873.0, "total_employees": 80, "filing_date": "2023-08-22" }, { "period": "2024-10-01", "regulatory_assets_under_management": 12155269613.0, "total_employees": 79, "filing_date": "2024-04-23" }, { "period": "2025-10-01", "regulatory_assets_under_management": 13204245927.0, "total_employees": 71, "filing_date": "2025-03-28" }, { "period": "2026-10-01", "regulatory_assets_under_management": 15671432130.0, "total_employees": 72, "filing_date": "2026-03-27" } ], "recent_changes": [ { "period": "2026-04-01", "period_label": "April 2026", "notes": [ "Employees performing advisory functions went from 31 to 32.", "Regulatory assets under management went from $13,204,245,927 to $15,671,432,130 (+19%)." ] } ], "fees_from_brochure": { "source": "Form ADV Part 2A brochure dated March 27, 2026", "tiers": [], "flat_rate": null, "stated_range": null, "stated_maximum": null, "account_minimum": "$1,000,000", "account_minimum_may_be_waived": false, "minimum_annual_fee": null, "figures": [ { "label": "Account minimum", "statements": [ "Account minimum: $1,000,000" ], "quotes": [ "We generally require a minimum account size of $1 million to open and manage an account." ] } ], "quotes": [ "We generally require a minimum account size of $1 million to open and manage an account." ], "note": "As stated in the firm's brochure; fees can differ by service and may be negotiable." }, "custodians": [ { "name": "Pershing Advisor Solutions LLC", "name_as_filed": "PERSHING ADVISOR SOLUTIONS 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/mason-investment-advisory-services-inc-reston-va-111113.md", "clients": [ { "type": "individuals", "label": "Individuals (other than high net worth individuals)", "count": 304, "fewer_than_5": false, "raum": 117659881.0 }, { "type": "high_net_worth_individuals", "label": "High net worth individuals", "count": 759, "fewer_than_5": false, "raum": 6849321421.0 }, { "type": "pension_profit_sharing", "label": "Pension and profit sharing plans (but not the plan participants or government pension plans)", "count": 5, "fewer_than_5": false, "raum": 420332577.0 }, { "type": "charitable", "label": "Charitable organizations", "count": 71, "fewer_than_5": false, "raum": 5439485119.0 }, { "type": "corporations_other_businesses", "label": "Corporations or other businesses not listed above", "count": 8, "fewer_than_5": false, "raum": 2844633132.0 } ], "disclosure_line": "Reports 3 disclosure items on Form ADV Item 11.", "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/111113", "operator": "BH Monitor Services, LLC", "license": "https://creativecommons.org/licenses/by/4.0/", "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data" } }