Cogent Biosciences, Inc. (COGT) ownership: Top institutional holder: FMR LLC ($889.99M). Insider activity: Net Seller (0 buys, 20 sells). 1 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| FMR LLC | 23122748.00 | $889.99M | 2026-03-31 |
| BlackRock, Inc. | 16045014.00 | $617.57M | 2026-03-31 |
| VANGUARD GROUP INC | 11514326.00 | $408.99M | 2025-12-31 |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 9043903.00 | $348.10M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7333333.00 | $282.26M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 6894959.00 | $265.39M | 2026-03-31 |
| JANUS HENDERSON GROUP PLC | 5965125.00 | $229.63M | 2026-03-31 |
| STATE STREET CORP | 5663543.00 | $217.99M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-06-09 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 |
Back to COGT overview · COGT earnings · All congressional trades
Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.