Waltham, MA · Founded 2019 · Privately Held (backing)
Developer of an adeno-associated virus gene therapy platform intended to focus on diseases affecting the central nervous system and muscles. Affinia Therapeutics is based in Waltham, MA and was founded in 2019. It was valued at $145 million at its later-stage round in Oct 2025, the last priced event on record. It has raised $210 million across 3 recorded rounds; the latest was a $13.3 million early-stage round in Sep 2025.
PMV mark · valuation
$145.0M
Oct 2026
Priced at
its later-stage round
Oct 2025
Total raised
$210.0M
Last round
Early Stage VC
Sep 2025
Team — not yet on record
No current team members for Affinia Therapeutics are on record yet. People surface from round filings, company disclosures, and coverage sessions.
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·The complete investor list: 19 names
·Watch Affinia Therapeutics: the Monday email on marks, rounds and moves
