{
  "crd_number": 105146,
  "slug": "sei-investments-management-corp-oaks-pa-105146",
  "primary_business_name": "SEI INVESTMENTS MANAGEMENT CORP",
  "legal_name": "SEI INVESTMENTS MANAGEMENT CORP",
  "dbas": [
    "SEI HUNTINGTON STEELE"
  ],
  "city": "Oaks",
  "state": "PA",
  "country": "United States",
  "cbsa_code": "37980",
  "metro": {
    "cbsa_code": "37980",
    "common_name": "Philadelphia",
    "msa_name": "Philadelphia-Camden-Wilmington, PA-NJ-DE-MD",
    "path": "/advisors/pa/philadelphia"
  },
  "registration_type": "sec",
  "registration_status": "Approved",
  "registration_date": "1985-06-27",
  "years_registered": 41,
  "period": "2026-10-01",
  "filing_date": "2026-09-01",
  "carried_forward": false,
  "raum_total": 216428500660.0,
  "raum_discretionary": 211986837592.0,
  "raum_non_discretionary": 4441663068.0,
  "raum_band": "over_5b",
  "raum_band_label": "Over $5 billion",
  "total_employees": 434,
  "advisory_employees": 226,
  "client_count_bucket": "fewer_than_5_in_some_types",
  "clients_by_type": {
    "other": {
      "raum": 375000000.0,
      "count": 2,
      "description": "INVESTMENT CLUB",
      "fewer_than_5": true
    },
    "charitable": {
      "raum": 3870929831.0,
      "count": 465
    },
    "individuals": {
      "raum": 47675430360.0,
      "count": 110959
    },
    "banking_thrift": {
      "raum": 935523565.0,
      "count": 93
    },
    "state_municipal": {
      "raum": 2625000000.0,
      "count": 4
    },
    "insurance_companies": {
      "raum": 0.0,
      "count": 0
    },
    "investment_companies": {
      "raum": 100728082247.0,
      "count": 1
    },
    "pension_profit_sharing": {
      "raum": 9563058377.0,
      "count": 343
    },
    "other_investment_advisers": {
      "raum": 0.0,
      "count": 0
    },
    "high_net_worth_individuals": {
      "raum": 5003266974.0,
      "count": 726
    },
    "pooled_investment_vehicles": {
      "raum": 45163894755.0,
      "count": 18
    },
    "corporations_other_businesses": {
      "raum": 488314551.0,
      "count": 35
    },
    "business_development_companies": {
      "raum": 0.0,
      "count": 0
    },
    "sovereign_wealth_foreign_official": {
      "raum": 0.0,
      "count": 0
    }
  },
  "compensation_types": [
    "fixed",
    "percentage_of_aum",
    "performance_based"
  ],
  "advisory_activities": [
    "educational_seminars",
    "financial_planning",
    "pension_consulting",
    "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": 4,
  "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://seic.com"
  ],
  "iapd_url": "https://adviserinfo.sec.gov/firm/summary/105146",
  "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?"
    },
    {
      "item": "11.H(1)(c)",
      "question": "Has a domestic or foreign court ever dismissed, under a settlement agreement, an investment-related civil action brought against the firm or an advisory affiliate by a state or foreign financial regulator?"
    }
  ],
  "city_as_filed": "OAKS",
  "url": "https://advisorcensus.com/firm/sei-investments-management-corp-oaks-pa-105146",
  "display_name": "SEI Investments Management Corp",
  "summary": "SEI Investments Management Corp is an SEC-registered investment advisory firm in Oaks, PA, registered since 1985, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated September 1, 2026.",
  "citation": "AdvisorCensus. SEI Investments Management Corp (CRD 105146): 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)",
    "Performance-based fees"
  ],
  "advisory_activity_labels": [
    "Financial planning services",
    "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",
    "Pension consulting services",
    "Selection of other advisers (including private fund managers)",
    "Publication of periodicals or newsletters",
    "Educational seminars/workshops"
  ],
  "quick_answers": [
    {
      "q": "How is SEI Investments Management Corp compensated?",
      "a": "On its Form ADV (Item 5.E, October 2026), SEI Investments Management Corp reports these compensation arrangements: a percentage of assets under its management; fixed fees (other than subscription fees); performance-based fees. The amounts are in Item 5 of its Form ADV Part 2A brochure."
    },
    {
      "q": "Where is SEI Investments Management Corp located?",
      "a": "SEI Investments Management Corp's principal office is in Oaks, PA, according to its Form ADV; the October 2026 filing also lists 3 other offices (Schedule D, Section 1.F)."
    },
    {
      "q": "Is SEI Investments Management Corp registered with the SEC or a state?",
      "a": "SEI Investments Management Corp is an SEC-registered investment advisory firm, registered since 1985. Status as filed: Approved. CRD 105146."
    },
    {
      "q": "How much does SEI Investments Management Corp manage?",
      "a": "SEI Investments Management Corp reports $216,428,500,660 in regulatory assets under management in its Form ADV filing dated September 1, 2026 (98% discretionary)."
    },
    {
      "q": "How have SEI Investments Management Corp's assets and staff changed since 2021?",
      "a": "In the Form ADV data for SEI Investments Management Corp: Regulatory assets under management: $206,970,170,806 in the October 2021 data and $216,428,500,660 in the October 2026 data, up 5%. Total employees: 417 in October 2021 and 434 in October 2026. Assets under management move with markets as well as with clients coming and going."
    },
    {
      "q": "What types of clients does SEI Investments Management Corp serve?",
      "a": "By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (110,959); high net worth individuals (726); charitable organizations (465)."
    },
    {
      "q": "Which custodians does SEI Investments Management Corp use?",
      "a": "SEI Investments Management Corp's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists SEI Private Trust Company (affiliated with the firm) as a custodian holding 10% or more of its separately managed account assets."
    },
    {
      "q": "Does SEI Investments Management Corp report any disciplinary disclosures?",
      "a": "Reports 4 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), 11.C(5) (SEC or CFTC civil money penalty or cease-and-desist order), and 11.H(1)(c) (regulator's civil action dismissed under a settlement). 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/105146"
    },
    {
      "q": "What changed in SEI Investments Management Corp's recent Form ADV filings?",
      "a": "In the September 2026 filing data: Updated its list of owners and control persons (Schedule A)."
    }
  ],
  "filing_history": [
    {
      "period": "2021-10-01",
      "regulatory_assets_under_management": 206970170806.0,
      "total_employees": 417,
      "filing_date": "2021-03-31"
    },
    {
      "period": "2022-10-01",
      "regulatory_assets_under_management": 222762411742.0,
      "total_employees": 379,
      "filing_date": "2022-03-31"
    },
    {
      "period": "2023-10-01",
      "regulatory_assets_under_management": 180855686165.0,
      "total_employees": 406,
      "filing_date": "2023-09-30"
    },
    {
      "period": "2024-10-01",
      "regulatory_assets_under_management": 194796322013.0,
      "total_employees": 411,
      "filing_date": "2024-09-30"
    },
    {
      "period": "2025-10-01",
      "regulatory_assets_under_management": 198143431156.0,
      "total_employees": 447,
      "filing_date": "2025-07-21"
    },
    {
      "period": "2026-10-01",
      "regulatory_assets_under_management": 216428500660.0,
      "total_employees": 434,
      "filing_date": "2026-09-01"
    }
  ],
  "recent_changes": [
    {
      "period": "2026-09-01",
      "period_label": "September 2026",
      "notes": [
        "Updated its list of owners and control persons (Schedule A)."
      ]
    },
    {
      "period": "2026-04-01",
      "period_label": "April 2026",
      "notes": [
        "Employees performing advisory functions went from 221 to 226."
      ]
    },
    {
      "period": "2026-03-01",
      "period_label": "March 2026",
      "notes": [
        "Updated its list of owners and control persons (Schedule A)."
      ]
    },
    {
      "period": "2026-01-01",
      "period_label": "January 2026",
      "notes": [
        "Updated its list of owners and control persons (Schedule A)."
      ]
    }
  ],
  "fees_from_brochure": null,
  "custodians": [
    {
      "name": "SEI Private Trust Company",
      "name_as_filed": "SEI PRIVATE TRUST COMPANY",
      "affiliated": true
    }
  ],
  "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/sei-investments-management-corp-oaks-pa-105146.md",
  "clients": [
    {
      "type": "individuals",
      "label": "Individuals (other than high net worth individuals)",
      "count": 110959,
      "fewer_than_5": false,
      "raum": 47675430360.0
    },
    {
      "type": "high_net_worth_individuals",
      "label": "High net worth individuals",
      "count": 726,
      "fewer_than_5": false,
      "raum": 5003266974.0
    },
    {
      "type": "banking_thrift",
      "label": "Banking or thrift institutions",
      "count": 93,
      "fewer_than_5": false,
      "raum": 935523565.0
    },
    {
      "type": "investment_companies",
      "label": "Investment companies",
      "count": 1,
      "fewer_than_5": false,
      "raum": 100728082247.0
    },
    {
      "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": 18,
      "fewer_than_5": false,
      "raum": 45163894755.0
    },
    {
      "type": "pension_profit_sharing",
      "label": "Pension and profit sharing plans (but not the plan participants or government pension plans)",
      "count": 343,
      "fewer_than_5": false,
      "raum": 9563058377.0
    },
    {
      "type": "charitable",
      "label": "Charitable organizations",
      "count": 465,
      "fewer_than_5": false,
      "raum": 3870929831.0
    },
    {
      "type": "state_municipal",
      "label": "State or municipal government entities (including government pension plans)",
      "count": 4,
      "fewer_than_5": false,
      "raum": 2625000000.0
    },
    {
      "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": 35,
      "fewer_than_5": false,
      "raum": 488314551.0
    },
    {
      "type": "other",
      "label": "Other",
      "count": 2,
      "fewer_than_5": true,
      "raum": 375000000.0
    }
  ],
  "disclosure_line": "Reports 4 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/105146",
    "operator": "BH Monitor Services, LLC",
    "license": "https://creativecommons.org/licenses/by/4.0/",
    "credit": "AdvisorCensus (advisorcensus.com), from SEC Form ADV data"
  }
}