Institutional Ownership
Foghorn Therapeutics Inc
CUSIP 344174107COMFHTXQ1 2026
13D / 13G Filings
15
Schedule 13D/13G on record
Beneficial Filers
7
Distinct reporting persons
Largest Stake
27.2%
Max % of class reported
Institutional Holders
101
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
15 filings · latest Jan 13, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Jan 13, 2026 | Flagship Ventures Fund V, L.P. | 13D/A | 27.2% | — | SEC |
| 2 | Feb 12, 2025 | Fmr LLC | 13G/A | 10.2% | 5.69M | SEC |
| 3 | Oct 8, 2024 | Klarman Family Foundation | 13G/A | 3.9% | 2.14M | SEC |
| 4 | Sep 20, 2024 | Flynn James E | 13G | 5.3% | 2.94M | SEC |
| 5 | Jun 10, 2024 | Fmr LLC | 13G/A | 11.4% | — | SEC |
| 6 | May 30, 2024 | Biotechnology Value Fund L P | 13G | 5.5% | 3.05M | SEC |
| 7 | May 24, 2024 | Flagship Ventures Fund V, L.P. | 13D/A | 16.9% | 9.33M | SEC |
| 8 | Feb 9, 2024 | Fmr LLC | 13G/A | 6.7% | — | SEC |
| 9 | Feb 9, 2023 | Fmr LLC | 13G/A | 7.5% | — | SEC |
| 10 | Feb 9, 2022 | Fmr LLC | 13G/A | 6.7% | — | SEC |
5 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Foghorn Therapeutics Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Flagship Pioneering, LLC | 12.67M | $60.58M |
| 2 | Fmr LLC | 6.05M | $28.91M |
| 3 | Bvf Inc/Il | 5.84M | $27.92M |
| 4 | Deerfield Management Company, L.P. | 4.39M | $21.01M |
| 5 | Raymond James Financial Inc | 2.60M | $12.44M |
| 6 | Blackrock, Inc. | 2.36M | $11.30M |
| 7 | Euclidean Capital LLC | 1.57M | $7.52M |
| 8 | Geode Capital Management, LLC | 848.2K | $4.06M |
| 9 | Siren, L.L.C. | 720.7K | $3.45M |
| 10 | State Street Corp | 679.8K | $3.25M |