Foghorn Therapeutics Pivots Pipeline after Ending Eli Lilly Deal
Foghorn Therapeutics (FHTX) stock fell 27.17% after ending its collaboration with Eli Lilly (LLY) and halting development of FHD-909. The company will focus on its wholly owned pipeline, including an EP300 degrader, and expects cash runway to extend into 2H 2029. FHTX reported $167.6M in cash as of June 30, 2026.
How this was made

The 30-second read
Why it matters
The partnership termination removes a major collaborator, likely reducing future cash inflows and increasing execution risk for the company's pipeline.
Market read
The news triggered a sharp intra‑day sell‑off, highlighting the materiality of partnership outcomes for small‑cap biotech valuations.
What to watch
Potential cost savings from the 40% workforce reduction and extended cash runway may mitigate some downside.
Background
Foghorn Therapeutics (FHTX) is a clinical‑stage biotech focused on epigenetic targets. The company previously partnered with Eli Lilly on SMARCA2/BRM programs.
Ticker impact
Foghorn Therapeutics announced it will not advance the Eli Lilly collaboration on FHD-909, causing the stock to fall 27% on the day.
likely continued downside as investors price in reduced pipeline prospects
The news is a fresh, material development for a micro‑cap biotech; the stock already dropped sharply on the announcement.
Market effects
May dampen sentiment toward early‑stage biotech collaborations and could prompt re‑evaluation of similar partnership deals.
Limited to U.S. biotech investors; no broader regional effect.
Low; impact confined to the company and its immediate peers.
Counterpoint
If the wholly owned pipeline yields strong preclinical data, the stock could rebound on future upside potential.
Key entities
- companyFoghorn Therapeutics
Clinical‑stage biotech developing epigenetic degrader programs.
- companyEli Lilly & Co.
Pharmaceutical partner that ended collaboration on FHD-909.