{
  "crd_number": 155564,
  "slug": "weiss-asset-management-boston-ma-155564",
  "primary_business_name": "WEISS ASSET MANAGEMENT",
  "legal_name": "WEISS ASSET MANAGEMENT LP",
  "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": "2012-03-30",
  "years_registered": 14,
  "period": "2026-10-01",
  "filing_date": "2026-03-20",
  "carried_forward": false,
  "raum_total": 15557388898.0,
  "raum_discretionary": 15557388898.0,
  "raum_non_discretionary": 0.0,
  "raum_band": "over_5b",
  "raum_band_label": "Over $5 billion",
  "total_employees": 139,
  "advisory_employees": 64,
  "client_count_bucket": null,
  "clients_by_type": {
    "charitable": {
      "raum": null,
      "count": 0
    },
    "individuals": {
      "raum": null,
      "count": 0
    },
    "banking_thrift": {
      "raum": null,
      "count": 0
    },
    "state_municipal": {
      "raum": null,
      "count": 0
    },
    "insurance_companies": {
      "raum": null,
      "count": 0
    },
    "investment_companies": {
      "raum": null,
      "count": 0
    },
    "pension_profit_sharing": {
      "raum": 0.0,
      "count": 0
    },
    "other_investment_advisers": {
      "raum": null,
      "count": 0
    },
    "high_net_worth_individuals": {
      "raum": null,
      "count": 0
    },
    "pooled_investment_vehicles": {
      "raum": 15557388898.0,
      "count": 2
    },
    "corporations_other_businesses": {
      "raum": null,
      "count": 0
    },
    "business_development_companies": {
      "raum": null,
      "count": 0
    },
    "sovereign_wealth_foreign_official": {
      "raum": null,
      "count": 0
    }
  },
  "compensation_types": [
    "other",
    "percentage_of_aum",
    "performance_based"
  ],
  "advisory_activities": [
    "portfolio_management_pooled_vehicles"
  ],
  "wrap_fee_participant": false,
  "disclosure_yes_count": 3,
  "states_registered": [
    "MA"
  ],
  "websites": [
    "https://careers.weissasset.com",
    "https://linkedin.com/COMPANY/WEISSASSETMANAGEMENT/ABOUT",
    "https://weissasset.com"
  ],
  "iapd_url": "https://adviserinfo.sec.gov/firm/summary/155564",
  "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": "BOSTON",
  "url": "https://advisorcensus.com/firm/weiss-asset-management-boston-ma-155564",
  "display_name": "Weiss Asset Management",
  "summary": "Weiss Asset Management is an SEC-registered investment advisory firm in Boston, MA, registered since 2012, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated March 20, 2026.",
  "citation": "AdvisorCensus. Weiss Asset Management (CRD 155564): 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",
    "Other"
  ],
  "advisory_activity_labels": [
    "Portfolio management for pooled investment vehicles (other than investment companies)"
  ],
  "quick_answers": [
    {
      "q": "How is Weiss Asset Management compensated?",
      "a": "On its Form ADV (Item 5.E, October 2026), Weiss Asset Management reports these compensation arrangements: a percentage of assets under its management; performance-based fees; other. The amounts are in Item 5 of its Form ADV Part 2A brochure."
    },
    {
      "q": "Where is Weiss Asset Management located?",
      "a": "Weiss Asset Management's principal office is in Boston, MA, according to its Form ADV; the April 2026 filing also lists 3 other offices (Schedule D, Section 1.F)."
    },
    {
      "q": "Is Weiss Asset Management registered with the SEC or a state?",
      "a": "Weiss Asset Management is an SEC-registered investment advisory firm, registered since 2012. Status as filed: Approved. CRD 155564."
    },
    {
      "q": "How much does Weiss Asset Management manage?",
      "a": "Weiss Asset Management reports $15,557,388,898 in regulatory assets under management in its Form ADV filing dated March 20, 2026 (100% discretionary)."
    },
    {
      "q": "How have Weiss Asset Management's assets and staff changed since 2021?",
      "a": "In the Form ADV data for Weiss Asset Management: Regulatory assets under management: $4,628,674,913 in the October 2021 data and $15,557,388,898 in the October 2026 data, up 236%. Total employees: 74 in October 2021 and 139 in October 2026. Assets under management move with markets as well as with clients coming and going."
    },
    {
      "q": "What types of clients does Weiss 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) (2)."
    },
    {
      "q": "Does Weiss Asset Management 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/155564"
    },
    {
      "q": "What changed in Weiss Asset Management's recent Form ADV filings?",
      "a": "In the April 2026 filing data: Employees performing advisory functions went from 56 to 64. Regulatory assets under management went from $10,725,854,987 to $15,557,388,898 (+45%). Updated its list of owners and control persons (Schedule A)."
    }
  ],
  "filing_history": [
    {
      "period": "2021-10-01",
      "regulatory_assets_under_management": 4628674913.0,
      "total_employees": 74,
      "filing_date": "2021-03-29"
    },
    {
      "period": "2022-10-01",
      "regulatory_assets_under_management": 7985756006.0,
      "total_employees": 81,
      "filing_date": "2022-09-13"
    },
    {
      "period": "2023-10-01",
      "regulatory_assets_under_management": 5769667463.0,
      "total_employees": 95,
      "filing_date": "2023-03-30"
    },
    {
      "period": "2024-10-01",
      "regulatory_assets_under_management": 6721215982.0,
      "total_employees": 117,
      "filing_date": "2024-03-28"
    },
    {
      "period": "2025-10-01",
      "regulatory_assets_under_management": 10725854987.0,
      "total_employees": 131,
      "filing_date": "2025-07-10"
    },
    {
      "period": "2026-10-01",
      "regulatory_assets_under_management": 15557388898.0,
      "total_employees": 139,
      "filing_date": "2026-03-20"
    }
  ],
  "recent_changes": [
    {
      "period": "2026-04-01",
      "period_label": "April 2026",
      "notes": [
        "Employees performing advisory functions went from 56 to 64.",
        "Regulatory assets under management went from $10,725,854,987 to $15,557,388,898 (+45%).",
        "Updated its list of owners and control persons (Schedule A)."
      ]
    }
  ],
  "fees_from_brochure": null,
  "custodians": [],
  "custodians_note": null,
  "markdown_url": "https://advisorcensus.com/firm/weiss-asset-management-boston-ma-155564.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": 0,
      "fewer_than_5": false,
      "raum": null
    },
    {
      "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": 2,
      "fewer_than_5": false,
      "raum": 15557388898.0
    },
    {
      "type": "pension_profit_sharing",
      "label": "Pension and profit sharing plans (but not the plan participants or government pension plans)",
      "count": 0,
      "fewer_than_5": false,
      "raum": 0.0
    },
    {
      "type": "charitable",
      "label": "Charitable organizations",
      "count": 0,
      "fewer_than_5": false,
      "raum": null
    },
    {
      "type": "state_municipal",
      "label": "State or municipal government entities (including government pension plans)",
      "count": 0,
      "fewer_than_5": false,
      "raum": null
    },
    {
      "type": "other_investment_advisers",
      "label": "Other investment advisers",
      "count": 0,
      "fewer_than_5": false,
      "raum": null
    },
    {
      "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": 0,
      "fewer_than_5": false,
      "raum": null
    },
    {
      "type": "corporations_other_businesses",
      "label": "Corporations or other businesses not listed above",
      "count": 0,
      "fewer_than_5": false,
      "raum": null
    }
  ],
  "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/155564",
    "operator": "BH Monitor Services, LLC",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data"
  }
}