SEI INVESTMENTS COMPANY (SEIC) Institutional Ownership
SEIC is currently held by 5 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $33.66M based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.
The largest disclosed holder is Renaissance Technologies LLC, which reported ownership valued at approximately $31.37M in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, Renaissance Technologies LLC's SEIC position is now estimated to be worth approximately $36.39M, representing an estimated gain of +15.98% since the filing period.
Major shareholders tracked on this page include Renaissance Technologies LLC, Sequoia Financial Advisors, Kahn Brothers Group, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.
This page tracks asset manager ownership trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward SEI INVESTMENTS COMPANY (SEIC).
Institutional Ownership Trend
| Portfolio quarter | Institutional holders | Total reported value | Total shares |
|---|---|---|---|
| Q1 2026 | 5 | $33,656,771 | 428,913 |
| Q4 2025 | 5 | $35,424,032 | 431,701 |
| Q3 2025 | 5 | $35,658,294 | 420,216 |
| Q2 2025 | 5 | $40,396,538 | 449,550 |
| Q1 2025 | 4 | $16,425,255 | 211,584 |
| Q4 2024 | 4 | $6,822,698 | 82,714 |
| Q3 2024 | 4 | $14,132,186 | 204,254 |
| Q2 2024 | 3 | $13,210,126 | 204,207 |
| Q1 2024 | 3 | $571,032 | 282,276 |
| Q4 2023 | 4 | $753,036 | 236,750 |
| Q3 2023 | 1 | $14,391 | 238,926 |
| Q2 2023 | 1 | $19,640 | 329,426 |
Related SEIC Institutional Insights:
- SEIC Institutional Ownership & Insiders Activity
- SEIC Institutional Ownership & 13F Activity
- SEIC Top Institutional Shareholders
- SEIC Institutional Buying Activity
- SEIC Institutional Selling Activity
- Financial Services Sector Institutional Ownership
- Financial Services Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Financial Services Stocks By Institutional Investors
- Most Sold Financial Services Stocks By Institutional Investors
- SEIC Insider Trading & SEC Form 4 Activity
- Top Institutional Investor Stock Rankings