SEC-Registered Investment Adviser
Sei Investments Management Corp
Registration facts are from the firm's Form ADV Part 1A as published by the SEC, latest filing dated September 1, 2026. Figures are firm-level: they describe the advisory firm, not any single offering.
Registration
- Status
- Approved
- Registered since
- June 27, 1985
- Principal office
- One Freedom Valley Drive, Oaks, PA 19456
- Organized as
- Corporation, DE
- Fiscal year end
- December
- Other offices
- 3
- Website
- HTTP://WWW.SEIC.COM
Scale
- Regulatory AUM
- $216.4B
- Discretionary / non-discretionary
- $212.0B / $4.4B
- Attributable to non-US clients
- $146.6M
- Accounts
- 112,627
- Clients
- 0
- Employees
- 434, 226 in advisory roles
- Private funds advised
- 17
- Private fund gross assets
- $13.2B
- Fund types
- 3 hedge funds, 14 other private funds
- Funds with Form D records
- 11 issuers in AltStreet's ledger, $11.8B reported sold across them
- Client assets in custody
- $3.7M (85 clients)
Business, clients and compensation, as filed
- Advisory activities
- financial planning, portfolio management for individuals and small businesses, portfolio management for investment companies, portfolio management for pooled investment vehicles, portfolio management for businesses and institutional clients, pension consulting, selection of other advisers, publication of periodicals or newsletters and educational seminars or workshops
- Compensated by
- a percentage of assets under management, fixed fees and performance-based fees
- Client types
- individuals (other than high net worth) (110,959); high net worth individuals (726); banking or thrift institutions (93); investment companies (1); business development companies (0); pooled investment vehicles (18); pension and profit sharing plans (343); charitable organizations (465); state or municipal government entities (4); other investment advisers (0); insurance companies (0); sovereign wealth funds and foreign official institutions (0); corporations or other businesses (35); other (2)
- Also engaged as
- commodity pool operator or commodity trading advisor
- Related persons include
- a broker-dealer, another investment adviser, a commodity pool operator or commodity trading advisor, a banking or thrift institution, a trust company, an accountant or accounting firm, a sponsor or syndicator of limited partnerships and a sponsor, general partner or managing member of pooled investment vehicles
- Affiliates
- 3 broker-dealers, 8 investment advisers
- Wrap fee program
- Sponsors or manages a wrap fee program
Form ADV Item 11 disclosures
The firm answered yes to the following Item 11 questions. The answers cover the firm and its advisory affiliates; the Disclosure Reporting Pages on IAPD identify the subject and the outcome.
- SEC or CFTC finding of a violation of regulations or statutes (Item 11C(2))
- SEC or CFTC order against the firm or an affiliate (Item 11C(4))
- SEC or CFTC civil money penalty or cease-and-desist (Item 11C(5))
- civil court dismissal of a case with a settlement (Item 11H(1)(c))
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Source: SEC Form ADV via IARD (roster of October 6, 2026), matched to the platform by AltStreet analysts. Item 11 answers are as reported on the firm's Form ADV and cover the firm and its advisory affiliates; consult the firm's IAPD record for the Disclosure Reporting Pages. Brochure statements are the firm's own. Nothing on this page is investment advice.