MeiraGTx Holdings plc (MGTX) ownership: Top institutional holder: Sanofi ($105.63M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Sanofi | 12197737.00 | $105.63M | 2026-03-31 |
| PERCEPTIVE ADVISORS LLC | 10326103.00 | $89.31M | 2026-03-31 |
| Rubric Capital Management LP | 7000000.00 | $60.62M | 2026-03-31 |
| JOHNSON & JOHNSON | 6641064.00 | $57.51M | 2026-03-31 |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 4000000.00 | $34.64M | 2026-03-31 |
| MILLENNIUM MANAGEMENT LLC | 3465699.00 | $30.01M | 2026-03-31 |
| BlackRock, Inc. | 3168148.00 | $27.44M | 2026-03-31 |
| Prosight Management, LP | 2629971.00 | $22.78M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-10 |
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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.