Serina Therapeutics, Inc. (SER) ownership: Top institutional holder: Sio Capital Management, LLC ($1.94M). Insider activity: Net Seller (4 buys, 16 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Sio Capital Management, LLC | 1000000.00 | $1.94M | 2026-03-31 |
| VANGUARD GROUP INC | 180013.00 | $344365.00 | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 159136.00 | $308724.00 | 2026-03-31 |
| Waverly Advisors, LLC | 67492.00 | $130934.00 | 2026-03-31 |
| GEODE CAPITAL MANAGEMENT, LLC | 64973.00 | $126049.00 | 2026-03-31 |
| BlackRock, Inc. | 58264.00 | $113033.00 | 2026-03-31 |
| BROADWOOD CAPITAL INC | 54484.00 | $104228.00 | 2025-12-31 |
| JANE STREET GROUP, LLC | 39653.00 | $76927.00 | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-22 | |
| Buy | null | 2026-07-07 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 | |
| Sell | null | 2026-06-17 |
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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.