# FOGHORN THERAPEUTICS INC COM

FOGHORN THERAPEUTICS INC COM is a security (CUSIP 344174107) tracked across SEC portfolio filings. 105 institutional managers reported $210.9M on Form 13F as of 2026-06-30; 9 registered fund positions totaling $11.2M via N-PORT as of 2026-05-31.

## Summary

- Issuer: FOGHORN THERAPEUTICS INC
- Class: COM
- CUSIP: 344174107
- Asset category: EC
- 13F holders: 105
- 13F value: $210.9M
- 13F period: 2026-06-30
- N-PORT fund positions: 9
- N-PORT value: $11.2M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 105 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| Flagship Pioneering Inc. | Cambridge, MA | $60.6M | 12,674,120 |
| FMR LLC | BOSTON, MA | $28.9M | 6,047,198 |
| BVF INC/IL | San Francisco, CA | $27.9M | 5,842,000 |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | New York, NY | $21.0M | 4,394,367 |
| RAYMOND JAMES FINANCIAL INC | ST. PETERSBURG, FL | $12.4M | 2,602,382 |
| BlackRock, Inc. | New York, NY | $11.3M | 2,364,866 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $10.4M | 1,928,992 |
| Euclidean Capital LLC | NEW YORK, NY | $7.5M | 1,573,761 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $4.1M | 848,172 |
| Siren, L.L.C. | New York, NY | $3.4M | 720,720 |
| STATE STREET CORP | BOSTON, MA | $3.2M | 679,787 |
| [RENAISSANCE TECHNOLOGIES LLC](https://search.stillhousedata.com/firm/106661) | NEW YORK, NY | $1.9M | 406,425 |
| Candriam S.C.A. | Strassen, Luxembourg, N4 | $1.5M | 313,765 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | FLORHAM PARK, NJ | $1.5M | 303,757 |
| Birchview Capital, LP | BURLINGTON, VT | $1.3M | 281,730 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Fidelity Growth Company Fund](https://search.stillhousedata.com/fund/S000007119) | Fidelity Mt. Vernon Street Trust | $7.9M | 0.80% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $2.1M | 0.25% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $753K | 0.43% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $306K | 0.63% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $95K | 0.02% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $92K | 0.03% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $24K | 0.58% |
| [TIAA Separate Account VA-1 - Stock Index Account](https://search.stillhousedata.com/fund/S000005098) | TIAA Separate Account VA-1 | $2K | 0.02% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $-2K | -0.01% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/344174107.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.