Affinia Therapeutics
Expanding what's possible in AAV gene therapy today.
Waltham, United States · Founded 2019 · $210.0M raised
- Headquarters
- Waltham, Massachusetts
- Employees
- 51–200
- Founded
- 2019
- Business Model
- B2B
- Website
- affiniatx.com
- Total Funding
- $210.0M
- Last Round
- $40.0M Series COct 2025
- Rounds
- 3
Totals include recorded grants and other qualifying funding, not just equity. What counts toward funding.
About
Affinia Therapeutics pioneers rationally designed AAV gene therapies for rare and prevalent diseases, focusing on heart and nervous system disorders. Using AI and structural modeling, their ART platform creates novel capsids for improved tissue targeting, safety, and efficacy. Their lead program AFTX-201 targets BAG3-associated dilated cardiomyopathy.
Summary
Affinia Therapeutics is a Biotech company based in Waltham, United States, founded in 2019. It has raised $210.0M in total across 3 rounds, most recently a $40.0M Series C round in Oct 2025. Investors include New Enterprise Associates, F-Prime Capital and EcoR1 Capital.
Tech & App Stack
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Funding History
Oct 2025
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Funding: Series A through Series C. Amounts, valuations, and investors where available.
Investors
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