Tessera Therapeutics
Writing a new future for medicine
Somerville, United States · Founded 2018 · $730.0M raised
- Headquarters
- Somerville, Massachusetts
- Employees
- 201–500
- Founded
- 2018
- Business Model
- B2B
- Website
- tesseratherapeutics.com
- Total Funding
- $730.0M
- Last Round
- $150.0M Corporate RoundDec 2025
- Rounds
- 4
About
Tessera Therapeutics is a Flagship Pioneering biotechnology company pioneering Gene Writing, a novel genome engineering platform that uses mobile genetic elements to make permanent, programmable changes to the human genome. Unlike CRISPR-based editing, Gene Writing can make small and large alterations without double-strand DNA breaks. The company is advancing in vivo programs for rare diseases including alpha-1 antitrypsin deficiency and sickle cell disease, with Regeneron as a key development partner.
Summary
Tessera Therapeutics is a Biotech company based in Somerville, United States, founded in 2018. It has raised $730.0M in total across 4 rounds, most recently a $150.0M Corporate Round round in Dec 2025. Investors include Regeneron Pharmaceuticals, Bill & Melinda Gates Foundation and Abu Dhabi Investment Authority.
Tech & App Stack
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Funding History
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Dec 2025
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Series B through Corporate Round — per-round amounts, valuations, and who invested in each round.
Investors
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