| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Flagship Ventures Fund V, L.P. | 27% | $112,194,766 | 20,774,885 | Noubar Afeyan | 09 Jan 2026 | |||
| FMR LLC | 10% | $24,977,866 | 5,689,719 | FMR LLC | 31 Dec 2024 |
As of 31 Dec 2025, 93 institutional investors reported holding 41,875,144 shares of Foghorn Therapeutics Inc. - Common Stock, $0.0001 par value per share (FHTX). This represents 55% of the company’s total 76,378,254 outstanding shares.
The largest institutional shareholders of Foghorn Therapeutics Inc. - Common Stock, $0.0001 par value per share (FHTX) together control 53% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Flagship Pioneering, LLC | 17% | 12,674,120 | 0% | 21% | $68,440,247 |
| FMR LLC | 7.1% | 5,396,814 | -1.4% | 0% | $29,142,795 |
| BVF INC/IL | 6.9% | 5,302,000 | 0% | 0.96% | $28,630,800 |
| DEERFIELD MANAGEMENT COMPANY, L.P. | 4.8% | 3,649,211 | +12% | 0.25% | $19,705,739 |
| RAYMOND JAMES FINANCIAL INC | 3.3% | 2,505,821 | +1.8% | 0% | $13,531,433 |
| BlackRock, Inc. | 3.1% | 2,349,870 | +4% | 0% | $12,689,297 |
| VANGUARD GROUP INC | 2.5% | 1,928,992 | +1.6% | 0% | $10,416,557 |
| Euclidean Capital LLC | 2.1% | 1,573,761 | 0% | 2.3% | $8,498,309 |
| GEODE CAPITAL MANAGEMENT, LLC | 1% | 795,040 | -1.7% | 0% | $4,294,265 |
| Siren, L.L.C. | 0.94% | 720,720 | 0% | 0.12% | $3,891,888 |
| STATE STREET CORP | 0.81% | 618,666 | -2.9% | 0% | $3,340,796 |
| AMERIPRISE FINANCIAL INC | 0.8% | 607,670 | 0% | $3,281,419 | |
| RENAISSANCE TECHNOLOGIES LLC | 0.39% | 297,736 | +152% | 0% | $1,607,774 |
| Birchview Capital, LP | 0.37% | 281,730 | 0% | 0.89% | $1,521,342 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 0.35% | 269,186 | +46% | 0.01% | $1,453,604 |
| NORTHERN TRUST CORP | 0.34% | 262,430 | -7.7% | 0% | $1,417,122 |
| MILLENNIUM MANAGEMENT LLC | 0.27% | 208,565 | +17% | 0% | $1,126,251 |
| CITADEL ADVISORS LLC | 0.24% | 182,276 | +1416% | 0% | $984,291 |
| Squarepoint Ops LLC | 0.19% | 141,580 | +287% | 0% | $764,532 |
| JANE STREET GROUP, LLC | 0.17% | 132,501 | +100% | 0% | $715,505 |
| DAFNA Capital Management LLC | 0.17% | 126,859 | 0% | 0.16% | $685,039 |
| Sio Capital Management, LLC | 0.16% | 122,889 | 0% | 0.11% | $663,601 |
| MORGAN STANLEY | 0.16% | 121,727 | +91% | 0% | $657,327 |
| GOLDMAN SACHS GROUP INC | 0.16% | 118,701 | +64% | 0% | $640,985 |
| SCS Capital Management LLC | 0.14% | 106,980 | 0% | 0.01% | $577,692 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 41,875,144 | $226,126,895 | +$5,631,628 | $5.40 | 93 |
| 2025 Q3 | 40,899,067 | $199,997,332 | -$252,615 | $4.89 | 86 |
| 2025 Q2 | 40,966,679 | $192,544,370 | +$2,995,463 | $4.70 | 79 |
| 2025 Q1 | 40,422,738 | $147,539,082 | +$554,807 | $3.65 | 89 |
| 2024 Q4 | 40,250,865 | $189,972,345 | +$1,515,315 | $4.72 | 86 |
| 2024 Q3 | 39,996,016 | $372,365,052 | +$3,205,361 | $9.31 | 78 |
| 2024 Q2 | 39,443,565 | $226,852,214 | +$74,393,685 | $5.75 | 71 |
| 2024 Q1 | 26,459,793 | $177,447,258 | +$1,618,684 | $6.71 | 67 |
| 2023 Q4 | 26,194,106 | $168,954,975 | -$3,389,727 | $6.45 | 59 |
| 2023 Q3 | 26,924,936 | $134,628,591 | +$778,966 | $5.00 | 61 |
| 2023 Q2 | 26,763,756 | $188,422,208 | +$3,982,788 | $7.04 | 59 |
| 2023 Q1 | 26,253,067 | $162,763,500 | +$937,198 | $6.20 | 61 |
| 2022 Q4 | 26,093,883 | $166,474,381 | -$1,442,468 | $6.38 | 63 |
| 2022 Q3 | 26,307,921 | $225,720,907 | +$12,954 | $8.58 | 60 |
| 2022 Q2 | 26,276,584 | $357,367,427 | +$18,367,020 | $13.60 | 55 |
| 2022 Q1 | 24,903,791 | $379,088,288 | +$4,677,182 | $15.23 | 57 |
| 2021 Q4 | 24,151,188 | $552,334,813 | +$1,462,679 | $22.87 | 58 |
| 2021 Q3 | 11,606,587 | $161,634,440 | +$5,200,204 | $13.93 | 44 |
| 2021 Q2 | 11,234,597 | $119,870,494 | +$2,946,090 | $10.67 | 36 |
| 2021 Q1 | 10,646,057 | $139,604,845 | -$678,194 | $13.18 | 43 |
| 2020 Q4 | 10,612,558 | $212,930,838 | +$187,364,837 | $20.27 | 45 |