Who owns SEI INVESTMENTS CO (SEIC)? Elite investor 13F holders
6 tracked elite investors reported holding SEI INVESTMENTS CO as of 2026-06-30, including Renaissance Technologies LLC, Bridgewater Associates, Markel Group, Gotham Asset Management, Tudor Investment. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.
6 tracked investors currently reported holding · Latest report period: 2026-06-30 · Financials · Financial Services
SEI Investments Company is a publicly owned asset management holding company. Through its subsidiaries, the firm provides wealth management, retirement and investment solutions, asset management, asset administration, investment processing outsourcing solutions, financial services, and investment advisory services to its clients. It provides its services to private banks, independent financial…
Reported holders and securities, including exits (up to 20)
| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|---|---|---|---|---|---|---|---|---|---|
| Renaissance Technologies LLC | SEI INVTS CO | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 24973317.00 USD | 284726.000000 | Shares | reduce | Original filing |
| Bridgewater Associates | SEI INVTS CO | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 12667341.00 USD | 144423.000000 | Shares | reduce | Original filing |
| Markel Group | SEI INVTS CO | SHARE | 2026-06-30 | 2026-07-31 00:00:00 | 15191372.00 USD | 173200.000000 | Shares | hold | Original filing |
| Gotham Asset Management | SEI INVTS CO | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 1258726.00 USD | 14351.000000 | Shares | reduce | Original filing |
| Tudor Investment | SEI INVTS CO | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 726940.00 USD | 8288.000000 | Shares | buy | Original filing |
| Kahn Brothers Group | SEI INVTS CO | SHARE | 2026-06-30 | 2026-08-17 00:00:00 | 578535.00 USD | 6596.000000 | Shares | hold | Original filing |
| Mairs & Power Funds | SEI INVTS CO | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | Original filing |
| Ancora Advisors / Ancora Holdings | SEI INVTS CO | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | Original filing |
Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.
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