13F-HR: SEI Investments Discloses $93 Billion Q3 2025 Holdings

SEI Investments Co. filed its Form 13F-HR for Q3 2025, revealing institutional investment holdings totaling approximately $93 billion across 5,633 entries.

Summary

• SEI Investments Co. submitted its Form 13F-HR for the calendar quarter ended September 30, 2025.
• The report details institutional investment holdings with a total value of $92,994,761,394.
• The filing includes 5,633 individual holdings entries.
• SEI Investments Company is the parent holding company, and the report is filed on behalf of its subsidiaries: SEI Investments Management Corporation (SIMC), SEI Trust Company, and SEI Investments Canada Company (SEI Canada).
• SEI disclaims investment discretion over securities positions where its operating subsidiaries exercise such discretion, but reports them to fulfill its Form 13F obligation.
• The filing is a '13F Combination Report,' indicating that a portion of the holdings are reported directly by SEI and a portion by other reporting managers, including numerous listed sub-advisers.

Sentiment

Score: 5

Explanation: The sentiment is neutral as this is a routine regulatory disclosure of holdings, not an announcement of financial performance, strategic changes, or significant events that would typically carry positive or negative sentiment.

Positives

• The filing demonstrates transparency in SEI's institutional investment activities, as required by regulatory mandates.
• The substantial total value of holdings, approximately $93 billion, reflects significant assets under management or advisement by SEI and its subsidiaries.

Negatives

• NA

Risks

• The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete, meaning readers should not assume accuracy and completeness.

Future Outlook

This Form 13F-HR filing is a historical disclosure of equity holdings and does not contain forward-looking statements or guidance from SEI Investments Co. regarding future performance or market outlook.

Management Comments

• Michael N. Peterson, Executive Vice President, signed the report, representing that he is authorized to submit it and that all information is true, correct, and complete.

Industry Context

Form 13F-HR filings are standard quarterly disclosures for institutional investment managers with over $100 million in Section 13(f) securities. They provide transparency into the equity holdings of large investment firms, offering insights into market trends and investment strategies, though they represent a snapshot in time and do not reflect real-time trading activity.

Comparison to Industry Standards

• This filing adheres to the standard regulatory requirements for institutional investment managers under Section 13(f) of the Securities Exchange Act of 1934.
• The disclosure of a large, diversified portfolio across numerous issuers and sectors is typical for a major asset manager like SEI Investments Co., reflecting broad market participation rather than specific project or company-level results.

Corporate Governance

Stakeholder Impact

• Shareholders and potential investors gain transparency into the equity investment strategies and portfolio composition of SEI Investments Co. and its managed entities.
• Regulatory bodies receive mandated disclosures, ensuring compliance with Section 13(f) of the Securities Exchange Act of 1934.

Next Steps

• NA

Key Dates

Keywords

SEI Investments, 13F-HR, Institutional Holdings, Investment Management, SEC Filing, Portfolio Disclosure, Asset Management, Financial Reporting