Foghorn Therapeutics Inc. (FHTX) ownership: Top institutional holder: Flagship Pioneering, LLC ($60.58M). Insider activity: Net Seller (0 buys, 11 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Flagship Pioneering, LLC | 12674120.00 | $60.58M | 2026-03-31 |
| FMR LLC | 6047198.00 | $28.91M | 2026-03-31 |
| BVF INC/IL | 5842000.00 | $27.92M | 2026-03-31 |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 4394367.00 | $21.01M | 2026-03-31 |
| RAYMOND JAMES FINANCIAL INC | 2602382.00 | $12.44M | 2026-03-31 |
| BlackRock, Inc. | 2364866.00 | $11.30M | 2026-03-31 |
| VANGUARD GROUP INC | 1928992.00 | $10.42M | 2025-12-31 |
| Euclidean Capital LLC | 1573761.00 | $7.52M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-04-10 | |
| Sell | null | 2026-04-10 | |
| Sell | null | 2026-04-09 | |
| Sell | null | 2026-04-09 | |
| Sell | null | 2026-02-23 | |
| Sell | null | 2026-02-05 | |
| Sell | null | 2026-01-30 | |
| Sell | null | 2026-01-30 |
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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.