iSpecimen Inc. (ISPC) ownership: Top institutional holder: RENAISSANCE TECHNOLOGIES LLC ($197960.00). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC | 153457.00 | $197960.00 | 2025-09-30 |
| GEODE CAPITAL MANAGEMENT, LLC | 313098.00 | $49155.00 | 2026-03-31 |
| JANE STREET GROUP, LLC | 55631.00 | $8734.00 | 2026-03-31 |
| UBS Group AG | 53744.00 | $8438.00 | 2026-03-31 |
| CITADEL ADVISORS LLC | 50471.00 | $7924.00 | 2026-03-31 |
| VANGUARD GROUP INC | 29407.00 | $7646.00 | 2025-12-31 |
| VANGUARD FIDUCIARY TRUST CO | 28170.00 | $4423.00 | 2026-03-31 |
| NORTHERN TRUST CORP | 13805.00 | $4266.00 | 2024-06-30 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.