{
  "crd_number": 128356,
  "slug": "alphasimplex-group-llc-boston-ma-128356",
  "primary_business_name": "ALPHASIMPLEX GROUP, LLC",
  "legal_name": "ALPHASIMPLEX GROUP, 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": "2003-10-23",
  "years_registered": 22,
  "period": "2026-10-01",
  "filing_date": "2026-03-26",
  "carried_forward": false,
  "raum_total": 3085939176.0,
  "raum_discretionary": 3085939176.0,
  "raum_non_discretionary": 0.0,
  "raum_band": "1b_5b",
  "raum_band_label": "$1 billion to $5 billion",
  "total_employees": 33,
  "advisory_employees": 17,
  "client_count_bucket": "fewer_than_5_in_some_types",
  "clients_by_type": {
    "investment_companies": {
      "raum": 1397145843.0,
      "count": 7
    },
    "pension_profit_sharing": {
      "raum": 148523318.0,
      "count": null,
      "fewer_than_5": true
    },
    "pooled_investment_vehicles": {
      "raum": 1540026091.0,
      "count": 5
    },
    "corporations_other_businesses": {
      "raum": 243924.0,
      "count": null,
      "fewer_than_5": true
    }
  },
  "compensation_types": [
    "percentage_of_aum",
    "performance_based"
  ],
  "advisory_activities": [
    "other",
    "portfolio_management_businesses_institutional",
    "portfolio_management_investment_companies",
    "portfolio_management_pooled_vehicles"
  ],
  "wrap_fee_participant": false,
  "disclosure_yes_count": 0,
  "states_registered": [
    "MA"
  ],
  "websites": [
    "https://alphasimplex.com",
    "https://linkedin.com/COMPANY/ALPHASIMPLEX",
    "https://portal.alphasimplex.com"
  ],
  "iapd_url": "https://adviserinfo.sec.gov/firm/summary/128356",
  "city_as_filed": "BOSTON",
  "url": "https://advisorcensus.com/firm/alphasimplex-group-llc-boston-ma-128356",
  "display_name": "Alphasimplex Group, LLC",
  "summary": "Alphasimplex Group, LLC is an SEC-registered investment advisory firm in Boston, MA, registered since 2003, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated March 26, 2026.",
  "citation": "AdvisorCensus. Alphasimplex Group, LLC (CRD 128356): 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 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",
    "Other"
  ],
  "quick_answers": [
    {
      "q": "How is Alphasimplex Group, LLC compensated?",
      "a": "On its Form ADV (Item 5.E, October 2026), Alphasimplex Group, LLC reports these compensation arrangements: a percentage of assets under its management; performance-based fees."
    },
    {
      "q": "Where is Alphasimplex Group, LLC located?",
      "a": "Alphasimplex Group, LLC's principal office is in Boston, MA, according to its Form ADV."
    },
    {
      "q": "Is Alphasimplex Group, LLC registered with the SEC or a state?",
      "a": "Alphasimplex Group, LLC is an SEC-registered investment advisory firm, registered since 2003. Status as filed: Approved. CRD 128356."
    },
    {
      "q": "How much does Alphasimplex Group, LLC manage?",
      "a": "Alphasimplex Group, LLC reports $3,085,939,176 in regulatory assets under management in its Form ADV filing dated March 26, 2026 (100% discretionary)."
    },
    {
      "q": "How have Alphasimplex Group, LLC's assets and staff changed since 2021?",
      "a": "In the Form ADV data for Alphasimplex Group, LLC: Regulatory assets under management: $3,727,018,665 in the October 2021 data and $3,085,939,176 in the October 2026 data, down 17%. Total employees: 44 in October 2021 and 33 in October 2026. Assets under management move with markets as well as with clients coming and going."
    },
    {
      "q": "What types of clients does Alphasimplex Group, LLC serve?",
      "a": "By number of clients on Form ADV Item 5.D: investment companies (7); pooled investment vehicles (other than investment companies and business development companies) (5)."
    },
    {
      "q": "Which custodians does Alphasimplex Group, LLC use?",
      "a": "Alphasimplex Group, LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Morgan Stanley & Co. LLC and State Street Australia Limited as custodians holding 10% or more of its separately managed account assets."
    },
    {
      "q": "Does Alphasimplex Group, 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/128356"
    },
    {
      "q": "What changed in Alphasimplex Group, LLC's recent Form ADV filings?",
      "a": "In the April 2026 filing data: Employees performing advisory functions went from 18 to 17. Regulatory assets under management went from $4,340,233,892 to $3,085,939,176 (-29%)."
    }
  ],
  "filing_history": [
    {
      "period": "2021-10-01",
      "regulatory_assets_under_management": 3727018665.0,
      "total_employees": 44,
      "filing_date": "2021-07-14"
    },
    {
      "period": "2022-10-01",
      "regulatory_assets_under_management": 3971969428.0,
      "total_employees": 44,
      "filing_date": "2022-09-23"
    },
    {
      "period": "2023-10-01",
      "regulatory_assets_under_management": 5775837398.0,
      "total_employees": 41,
      "filing_date": "2023-07-31"
    },
    {
      "period": "2024-10-01",
      "regulatory_assets_under_management": 4522777264.0,
      "total_employees": 44,
      "filing_date": "2024-03-27"
    },
    {
      "period": "2025-10-01",
      "regulatory_assets_under_management": 4340233892.0,
      "total_employees": 41,
      "filing_date": "2025-07-15"
    },
    {
      "period": "2026-10-01",
      "regulatory_assets_under_management": 3085939176.0,
      "total_employees": 33,
      "filing_date": "2026-03-26"
    }
  ],
  "recent_changes": [
    {
      "period": "2026-04-01",
      "period_label": "April 2026",
      "notes": [
        "Employees performing advisory functions went from 18 to 17.",
        "Regulatory assets under management went from $4,340,233,892 to $3,085,939,176 (-29%)."
      ]
    }
  ],
  "fees_from_brochure": null,
  "custodians": [
    {
      "name": "Morgan Stanley & Co. LLC",
      "name_as_filed": "MORGAN STANLEY & CO. LLC",
      "affiliated": false
    },
    {
      "name": "State Street Australia Limited",
      "name_as_filed": "STATE STREET AUSTRALIA LIMITED",
      "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/alphasimplex-group-llc-boston-ma-128356.md",
  "clients": [
    {
      "type": "investment_companies",
      "label": "Investment companies",
      "count": 7,
      "fewer_than_5": false,
      "raum": 1397145843.0
    },
    {
      "type": "pooled_investment_vehicles",
      "label": "Pooled investment vehicles (other than investment companies and business development companies)",
      "count": 5,
      "fewer_than_5": false,
      "raum": 1540026091.0
    },
    {
      "type": "pension_profit_sharing",
      "label": "Pension and profit sharing plans (but not the plan participants or government pension plans)",
      "count": null,
      "fewer_than_5": true,
      "raum": 148523318.0
    },
    {
      "type": "corporations_other_businesses",
      "label": "Corporations or other businesses not listed above",
      "count": null,
      "fewer_than_5": true,
      "raum": 243924.0
    }
  ],
  "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/128356",
    "operator": "BH Monitor Services, LLC",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data"
  }
}
