Affinia Therapeutics Funding: $210M Raised, Series B (2025)

Affinia Therapeutics funding overview

Affinia Therapeutics is a Biotech company based in Waltham, MA. Affinia Therapeutics has raised $210M in total disclosed funding. That places its disclosed total in the $100M–$250M range. Its most recent disclosed round is a Series B announced in October 2025. The round record for Affinia Therapeutics runs through 2025; nothing later has been disclosed. Investors on record include New Enterprise Associates (NEA), Eli Lilly and Company, EcoR1 Capital, Farallon Capital Management, GV (Google Ventures), RA Capital Management and 4 others. 10 distinct backers are named across the disclosed rounds.

Affinia Therapeutics at a glance

Total raised: $210M
Latest round: Series B
Latest round date: October 2025
Industry: Biotech
Headquarters: Waltham, MA
Notable investors: New Enterprise Associates (NEA), Eli Lilly and Company, EcoR1 Capital, Farallon Capital Management, GV (Google Ventures), RA Capital Management, Atlas Venture, F-Prime Capital

Frequently asked about Affinia Therapeutics funding

How much has Affinia Therapeutics raised?: Affinia Therapeutics has raised $210M in total disclosed funding across the rounds on record.
Who has invested in Affinia Therapeutics?: New Enterprise Associates (NEA), Eli Lilly and Company, EcoR1 Capital, Farallon Capital Management, GV (Google Ventures), RA Capital Management are named among the investors backing Affinia Therapeutics.
What was the latest Affinia Therapeutics funding round?: The most recent disclosed round is a Series B, announced in October 2025.
Where is Affinia Therapeutics based?: Affinia Therapeutics is based in Waltham, MA.
What sector does Affinia Therapeutics operate in?: Affinia Therapeutics is tracked under Biotech from Waltham, MA, with $210M in disclosed funding.
When did Affinia Therapeutics last raise?: The last disclosed Affinia Therapeutics round closed in October 2025 at Series B.

We update the Affinia Therapeutics record whenever a new round is filed or announced, so the totals above track the public record rather than estimates. Related Biotech companies in Waltham and their backers are listed below.

Affinia Therapeutics Funding: $210M Raised, Series B (2025)

Affinia Therapeutics funding overview

Affinia Therapeutics at a glance

Frequently asked about Affinia Therapeutics funding

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