FOGHORN THERAPEUTICS INC FHTX
COM · Common Stock · CUSIP 344174107
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersCambridge, MA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($32.0k this quarter). Holder counts are more reliable. Shares outstanding: 59.4m as of 2026-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $4.88. Options: 1 managers hold calls ($488 notional), 0 hold puts (—).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 62 |
| Q4 2022 | 66 |
| Q1 2023 | 62 |
| Q2 2023 | 60 |
| Q3 2023 | 62 |
| Q4 2023 | 60 |
| Q1 2024 | 70 |
| Q2 2024 | 73 |
| Q3 2024 | 80 |
| Q4 2024 | 88 |
| Q1 2025 | 91 |
| Q2 2025 | 83 |
| Q3 2025 | 88 |
| Q4 2025 | 93 |
| Q1 2026 | 105 |
| Q2 2026 | 103 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 39 | 25 |
| Q4 2024 | 42 | 20 |
| Q1 2025 | 34 | 34 |
| Q2 2025 | 44 | 32 |
| Q3 2025 | 43 | 33 |
| Q4 2025 | 45 | 35 |
| Q1 2026 | 58 | 30 |
| Q2 2026 | 54 | 40 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $2.0k | $0 | 0.00 |
| Q4 2025 | $540 | $3.8k | 7.00 |
| Q1 2026 | $478 | $0 | 0.00 |
| Q2 2026 | $488 | $0 | 0.00 |
Biggest buyers
| BlackRock, Inc. | Added | +262.0k |
| Qube Research & Technologies Ltd | Added | +122.0k |
| AMERIPRISE FINANCIAL INC | Added | +109.7k |
| B Group, Inc. | Added | +98.0k |
| Palumbo Wealth Management LLC | New | +91.7k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +62.7k |
| Lynx1 Capital Management LP | New | +61.6k |
| Invesco Ltd. | Added | +60.4k |
| PANAGORA ASSET MANAGEMENT INC | Added | +60.3k |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Added | +48.5k |
Biggest sellers
| FMR LLC | Reduced | -341.2k |
| Sio Capital Management, LLC | Sold out | -122.9k |
| RAYMOND JAMES FINANCIAL INC | Reduced | -112.4k |
| UBS Group AG | Reduced | -64.6k |
| CITADEL ADVISORS LLC | Reduced | -41.2k |
| Walleye Capital LLC | Sold out | -34.4k |
| BANK OF AMERICA CORP /DE/ | Reduced | -34.0k |
| Trexquant Investment LP | Sold out | -30.1k |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | -28.5k |
| Point72 Asset Management, L.P. | Sold out | -27.6k |
Biggest calls
| SIMPLEX TRADING, LLC | Unchanged | $488100 shares |
Biggest puts
| None |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| Flagship Ventures Fund V, L.P. 13D · may seek influence filed 2026-01-13 | 27.2% |
| BIOTECHNOLOGY VALUE FUND L P 13G · passive investor +4.3 pts · filed 2026-10-05 | 14.3% |
| FMR LLC 13G · institution +1.4 pts · filed 2026-05-06 | 11.6% |
| Flynn James E 13G · passive investor filed 2026-05-14 | 8.6% |
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| Flagship Pioneering, LLC 4.02% of their portfolio | 12.7m $61.8m | Unchanged |
| BVF INC/IL 0.73% of their portfolio | 5.8m $28.5m | Unchanged |
| FMR LLC 0.00% of their portfolio | 5.7m $27.8m | Reduced -341.2k |
| DEERFIELD MANAGEMENT COMPANY, L.P. 0.22% of their portfolio | 4.4m $21.4m | Unchanged |
| BlackRock, Inc. 0.00% of their portfolio | 2.6m $12.8m | Added +262.0k |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 2.5m $12.2m | Reduced -112.4k |
| Euclidean Capital LLC 1.75% of their portfolio | 1.6m $7.7m | Unchanged |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 1.5m $7.3m | Reduced -478 |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 910.9k $4.4m | Added +62.7k |
| Siren, L.L.C. 0.07% of their portfolio | 720.7k $3.5m | Unchanged |
| STATE STREET CORP 0.00% of their portfolio | 697.5k $3.4m | Added +17.7k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 558.7k $2.7m | Added +109.7k |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 377.9k $1.8m | Reduced -28.5k |
| Candriam S.C.A. 0.01% of their portfolio | 313.8k $1.5m | Unchanged |
| NORTHERN TRUST CORP 0.00% of their portfolio | 309.8k $1.5m | Added +33.9k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.01% of their portfolio | 305.4k $1.5m | Added +1.7k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.00% of their portfolio | 304.4k $1.5m | Added +48.5k |
| Birchview Capital, LP 0.64% of their portfolio | 281.9k $1.4m | Added +207 |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 264.4k $1.3m | Added +23.8k |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 203.3k $992.1k | Added +122.0k |
| Woodline Partners LP 0.00% of their portfolio | 202.1k $986.5k | Added +21.8k |
| B Group, Inc. 0.55% of their portfolio | 200.0k $976.0k | Added +98.0k |
| PANAGORA ASSET MANAGEMENT INC 0.00% of their portfolio | 175.4k $856.0k | Added +60.3k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 164.3k $801.6k | Added +28.1k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 158.8k $775.1k | Reduced -41.2k |
| Squarepoint Ops LLC 0.00% of their portfolio | 130.3k $636.1k | Added +26.6k |
| DAFNA Capital Management LLC 0.10% of their portfolio | 111.9k $545.9k | Unchanged |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 109.8k $535.7k | Added +6.3k |
| SCS Capital Management LLC 0.00% of their portfolio | 107.0k $522.1k | Unchanged |
| MORGAN STANLEY 0.00% of their portfolio | 92.1k $449.4k | Reduced -6.4k |
| Palumbo Wealth Management LLC 0.09% of their portfolio | 91.7k $447.7k | New |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 89.6k $437.2k | Added +15.0k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 79.4k $387.3k | Reduced -204 |
| Invesco Ltd. 0.00% of their portfolio | 78.1k $381.3k | Added +60.4k |
| DIADEMA PARTNERS LP 0.12% of their portfolio | 66.9k $326.5k | Reduced -13.0k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 66.2k $323.2k | Added +33.7k |
| Nuveen, LLC 0.00% of their portfolio | 65.0k $317.4k | Added +14.7k |
| Lynx1 Capital Management LP 0.03% of their portfolio | 61.6k $300.5k | New |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 58.1k $283.5k | Reduced -7.6k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 53.5k $261.1k | Added +24.0k |
| Verdad Advisers, LP 0.25% of their portfolio | 53.2k $259.8k | Added +28.8k |
| Persistent Asset Partners Ltd 0.07% of their portfolio | 46.9k $228.7k | Added +228 |
| SILVERARC CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 46.0k $224.4k | New |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 39.6k $193.2k | Added +77 |
| ACADIAN ASSET MANAGEMENT LLC 0.00% of their portfolio | 38.8k $187.0k | Added +1.2k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 36.5k $178.3k | Added +9.1k |
| Jump Financial, LLC 0.00% of their portfolio | 36.4k $177.5k | Added +22.6k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 35.3k $172.3k | Added +20.6k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 29.8k $142.3k | Added +3.1k |
| GSA CAPITAL PARTNERS LLP 0.01% of their portfolio | 29.5k $144.0k | New |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 26.1k $127.4k | Reduced -34.0k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.00% of their portfolio | 25.1k $122.5k | Unchanged |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 24.5k $120.0k | Unchanged |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 20.4k $99.3k | Added +1.7k |
| BARCLAYS PLC 0.00% of their portfolio | 19.2k $93.6k | Reduced -244 |
| CITIGROUP INC 0.00% of their portfolio | 18.5k $90.5k | Added +15.1k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 16.8k $82.1k | Added +586 |
| EntryPoint Capital, LLC 0.02% of their portfolio | 15.5k $75.6k | New |
| DIVERSIFIED TRUST CO 0.00% of their portfolio | 14.8k $72.4k | Added +4.0k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 14.4k $70.4k | Added +11.5k |
| Vanguard Global Advisers, LLC 0.00% of their portfolio | 12.8k $62.6k | Unchanged |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 12.4k $60.7k | New |
| Police & Firemen's Retirement System of New Jersey 0.00% of their portfolio | 11.3k $55.3k | Unchanged |
| UBS Group AG 0.00% of their portfolio | 11.2k $54.8k | Reduced -64.6k |
| Fiduciary Trust Co 0.00% of their portfolio | 10.9k $53.1k | Unchanged |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 10.5k $51.0k | Reduced -2.4k |
| China Universal Asset Management Co., Ltd. 0.00% of their portfolio | 9.3k $45.6k | Reduced -1.1k |
| STRS OHIO 0.00% of their portfolio | 8.6k $42.0k | Unchanged |
| Evelyn Partners Group Ltd 0.00% of their portfolio | 7.1k $34.6k | First filing |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 3.3k $16.3k | Unchanged |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 3.3k $16.0k | Reduced -13 |
| Legal & General Group Plc 0.00% of their portfolio | 3.0k $14.6k | Unchanged |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 2.9k $14.0k | Unchanged |
| Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio | 2.6k $12.8k | Reduced -430 |
| PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO 0.00% of their portfolio | 2.3k $11.0k | Reduced -12.0k |
| SIMPLEX TRADING, LLC 0.00% of their portfolio | 1.9k $9.2k | Added +1.8k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 1.9k $9.1k | Unchanged |
| GF FUND MANAGEMENT CO. LTD. 0.00% of their portfolio | 1.2k $6.1k | Reduced -22 |
| Arax Advisory Partners 0.00% of their portfolio | 1.1k $5.5k | New |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 1.1k $5.0k | Added +1.1k |
| INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC 0.00% of their portfolio | 1.0k $5.0k | New |
| TD Waterhouse Canada Inc. 0.00% of their portfolio | 1.0k $5.0k | New |
| GAMMA Investing LLC 0.00% of their portfolio | 635 $3.1k | Reduced -229 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 484 $2.4k | Reduced -1.3k |
| Bare Financial Services, Inc 0.00% of their portfolio | 247 $1.2k | New |
| Allworth Financial LP 0.00% of their portfolio | 240 $1.2k | Added +143 |
| NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio | 200 $974 | Unchanged |
| EverSource Wealth Advisors, LLC 0.00% of their portfolio | 181 $883 | Added +99 |
| PNC Financial Services Group, Inc. 0.00% of their portfolio | 128 $625 | Added +35 |
| Sterling Capital Management LLC 0.00% of their portfolio | 128 $625 | Reduced -360 |
| TFC Financial Management, Inc. 0.00% of their portfolio | 123 $601 | Unchanged |
| SBI Securities Co., Ltd. 0.00% of their portfolio | 100 $488 | Unchanged |
| Integrated Wealth Concepts LLC 0.00% of their portfolio | 86 $420 | New |
| NISA INVESTMENT ADVISORS, LLC 0.00% of their portfolio | 78 $381 | Reduced -5.2k |
| Farther Finance Advisors, LLC 0.00% of their portfolio | 65 $317 | Added +56 |
| Essential Partners LLC 0.00% of their portfolio | 35 $171 | Reduced -77 |
| ROTHSCHILD INVESTMENT LLC 0.00% of their portfolio | 33 $161 | Reduced -1 |
| Caitong International Asset Management Co., Ltd 0.00% of their portfolio | 17 $83 | New |
| True Wealth Design, LLC 0.00% of their portfolio | 14 $69 | Reduced -6 |
| Clearstead Advisors, LLC 0.00% of their portfolio | 9 $44 | New |