Foghorn Therapeutics Inc. (FHTX) Ownership
FHTX ownership summary
as of October 18, 2026- Institutions
- 81.7% of shares outstanding
- Insiders
- 14.13% of shares outstanding
- Shares outstanding
- 59.4M
- Float
- 25.6M shares available to trade
- Short interest
- 6.59% 2.2M shares short
- Days to cover
- 4.85 short interest up 8.0% vs prior month
- Institutions 81.68%
- Insiders 14.13%
- Other investors 4.19%
FHTX top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Flagship Ventures Management, Inc. | 21.34% | 12.7M | $23.4M | — | June 30, 2026 |
| 2 | Bvf Inc | 9.84% | 5.8M | $10.8M | — | June 30, 2026 |
| 3 | FMR Inc | 9.61% | 5.7M | $10.6M | −341,240 (−5.6%) | June 30, 2026 |
| 4 | Deerfield Management Co | 7.40% | 4.4M | $8.1M | — | June 30, 2026 |
| 5 | BlackRock Inc | 4.42% | 2.6M | $4.9M | +261,966 (+11.1%) | June 30, 2026 |
| 6 | Euclidean Capital LLC | 2.65% | 1.6M | $2.9M | — | June 30, 2026 |
| 7 | Vanguard Capital Management, LLC | 2.52% | 1.5M | $2.8M | −478 (−0.0%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 1.53% | 911K | $1.7M | +62,694 (+7.4%) | June 30, 2026 |
| 9 | Siren, L.L.C. | 1.21% | 721K | $1.3M | — | June 30, 2026 |
| 10 | State Street Corp | 1.17% | 697K | $1.3M | +17,682 (+2.6%) | June 30, 2026 |
| 11 | Ameriprise Financial Inc | 0.94% | 559K | $1.0M | +109,709 (+24.4%) | June 30, 2026 |
| 12 | Renaissance Technologies Corp | 0.64% | 378K | $699,182 | −28,489 (−7.0%) | June 30, 2026 |
| 13 | Candriam Luxembourg S.C.A. | 0.53% | 314K | $580,465 | — | June 30, 2026 |
| 14 | Northern Trust Corp | 0.52% | 310K | $573,084 | +33,900 (+12.3%) | June 30, 2026 |
| 15 | Jacobs Levy Equity Management, Inc. | 0.51% | 305K | $565,053 | +1,677 (+0.6%) | June 30, 2026 |
| 16 | Vanguard Portfolio Management, LLC | 0.51% | 304K | $563,199 | +48,501 (+19.0%) | June 30, 2026 |
| 17 | Birchview Capital, LP | 0.47% | 282K | $521,583 | +207 (+0.1%) | June 30, 2026 |
| 18 | Vanguard Fiduciary Trust Co | 0.45% | 264K | $489,181 | +23,836 (+9.9%) | June 30, 2026 |
| 19 | Qube Research & Technologies | 0.34% | 203K | $376,098 | +122,018 (+150.1%) | June 30, 2026 |
| 20 | Woodline Partners LP | 0.34% | 202K | $373,968 | +21,812 (+12.1%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 704K shares and 3 cut 370K.
FHTX top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fidelity Growth Company Fund | 3.09% | 1.8M | $3.4M | — | August 31, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 1.88% | 1.1M | $2.1M | +78,000 (+7.5%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 1.52% | 901K | $1.7M | −10,368 (−1.1%) | September 30, 2026 |
| 4 | Fidelity Growth Company K6 | 0.85% | 503K | $931,057 | — | August 31, 2026 |
| 5 | Fidelity Small Cap Index | 0.67% | 396K | $733,286 | −488 (−0.1%) | July 31, 2026 |
| 6 | Fidelity Select Biotechnology | 0.59% | 352K | $650,419 | — | August 31, 2026 |
| 7 | iShares Russell 2000 Growth ETF | 0.58% | 346K | $639,308 | −437 (−0.1%) | September 30, 2026 |
| 8 | Belfius Equities Cure C Cap | 0.53% | 314K | $580,465 | +69,650 (+28.5%) | March 31, 2026 |
| 9 | Fidelity Series Growth Company | 0.45% | 270K | $499,707 | −9,300 (−3.3%) | August 31, 2026 |
| 10 | JPMorgan US Small Company L | 0.44% | 260K | $480,935 | +259,965 (0.0%) | August 31, 2026 |
| 11 | iShares Biotechnology ETF | 0.41% | 245K | $453,246 | −1,856 (−0.8%) | September 30, 2026 |
| 12 | Vanguard Russell 2000 ETF | 0.35% | 209K | $387,240 | +4,305 (+2.1%) | August 31, 2026 |
| 13 | Fidelity Extended Market Index | 0.22% | 132K | $244,291 | −710 (−0.5%) | August 31, 2026 |
| 14 | iShares Micro-Cap ETF | 0.19% | 115K | $212,691 | −793 (−0.7%) | September 30, 2026 |
| 15 | Schwab Small Cap Index | 0.15% | 88K | $162,728 | — | August 31, 2026 |
| 16 | EA Bridgeway Ultra-Small Company Mkt ETF | 0.12% | 70K | $130,425 | — | September 30, 2026 |
| 17 | iShares Russell 2000 Small-Cap Idx Instl | 0.11% | 64K | $118,258 | — | August 31, 2026 |
| 18 | Fidelity Total Market Index | 0.10% | 62K | $114,994 | +95 (+0.2%) | August 31, 2026 |
| 19 | Fidelity Series Total Market Index | 0.10% | 57K | $104,579 | — | August 31, 2026 |
| 20 | Vanguard VIF Small Co Gr | 0.09% | 54K | $99,241 | — | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
FHTX insider transactions
latest 3| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2024-09-23 | Carlos Costa | Sell | $10.17 | 857 | $8,716 |
| 2024-09-20 | Carlos Costa | Sell | $10.04 | 35,756 | $358,990 |
| 2023-08-16 | Samuel Agresta | Sell | $8.25 | 311,297 | $2.6M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
FHTX shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns FHTX
Institutional investors own 81.7% of Foghorn Therapeutics's shares and insiders 14.13%. The largest holder is Flagship Ventures Management, Inc. with 21.34% of the shares (12.7M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 3 reduced their stake in the latest filings. Short interest is 6.59% of the float, or 4.85 days of average trading volume. The share count rose 220.9% since 2017.
Related: FHTX analyst forecast, FHTX key metrics. See the FHTX stock overview for the latest quote and news.
FHTX ownership FAQ
Who owns the most Foghorn Therapeutics stock?
The largest shareholders of Foghorn Therapeutics are Flagship Ventures Management, Inc. (21.34%), Bvf Inc (9.84%), FMR Inc (9.61%), Deerfield Management Co (7.40%), BlackRock Inc (4.42%).
What percentage of Foghorn Therapeutics is owned by institutions?
Institutions hold 81.7% of Foghorn Therapeutics's shares outstanding; insiders hold 14.13%.
Which funds own Foghorn Therapeutics?
The largest fund holders of Foghorn Therapeutics are Fidelity Growth Company Fund (3.09%), Vanguard MStar Total Stk Mkt Idx Invest (1.88%), iShares Russell 2000 ETF (1.52%), Fidelity Growth Company K6 (0.85%), Fidelity Small Cap Index (0.67%).
What is Foghorn Therapeutics's short interest?
2.2M shares of Foghorn Therapeutics were sold short, 6.59% of the float; at the average daily volume it would take 4.85 days to cover.
Are insiders buying or selling Foghorn Therapeutics?
Of the latest 3 reported insider transactions in Foghorn Therapeutics (since August 16, 2023), 0 were purchases and 3 were sales.
How many shares of Foghorn Therapeutics are outstanding?
Foghorn Therapeutics has 59.4M shares outstanding, of which 25.6M are in the public float.