How Much Did Affinia Therapeutics Raise?
Funding & Key Investors

Affinia Therapeutics has solidified its position in the competitive biotechnology landscape, securing a total of $223.3M in cumulative capital to advance its proprietary gene therapy platform. The company recently finalized a major strategic investment of $13.3M, marking a significant milestone in its growth trajectory. This latest infusion of resources underscores investor confidence in the firm's ability to translate complex scientific research into viable clinical solutions for both rare and prevalent diseases.

Since its inception in 2019, the Waltham-based organization has demonstrated a consistent ability to attract high-caliber institutional backing. By leveraging these financial resources, Affinia Therapeutics continues to refine its rationally-designed gene therapy candidates, positioning itself as a critical player in the next generation of molecular medicine.

What is Affinia Therapeutics?

Affinia Therapeutics
Business ServicesResearch & Development

Affinia Therapeutics is a preclinical-stage biotechnology firm dedicated to the development of advanced gene therapies. By focusing on the rational design of therapeutic agents, the company aims to address the underlying causes of diverse medical conditions. Its market position is defined by a rigorous scientific approach that bridges the gap between fundamental biological discovery and clinical application. Operating out of Massachusetts, the company serves as a hub for innovation in the life sciences sector, specifically targeting diseases that have historically lacked effective treatment options.

How much funding has Affinia Therapeutics raised?

Affinia Therapeutics has raised a total of $223.3M across 4 funding rounds:

2020

Series A

$60M

2021

Series B

$110M

2025

Series C

$40M

Private Equity

$13.3M

Series A (2020): $60M with participation from F-Prime Capital fprimecapital.com and New Enterprise Associates nea.com

Series B (2021): $110M led by Casdin Capital, Farallon, GV, Perceptive Advisors, TCG Crossover, Woodline Partners, Octagon Capital, RA Capital Management, and EcoR1 Capital

Series C (2025): $40M supported by Eli Lilly, GV, F-Prime Capital, Alexandria Venture Investments LLC Alexandria Venture Investments, Atlas Venture, and New Enterprise Associates

Private Equity (2025): $13.3M, investors not publicly disclosed

Key Investors in Affinia Therapeutics

Eli Lilly

Eli Lilly and Company is a global biopharmaceutical firm engaged in the discovery, development, manufacturing, and commercialization of prescription medicines. It focuses on areas such as diabetes, oncology, immunology, and neuroscience.

GV

GV is a venture capital firm founded in 2001 that invests across multiple stages and sectors, with a strong focus on life sciences and frontier technology innovations.

F-Prime Capital

F-Prime Capital provides a team of investors, engineers, doctors, and scientists dedicated to investing in health care and technology for other companies.

What's next for Affinia Therapeutics?

With the recent capital injection, Affinia Therapeutics is well-positioned to accelerate its preclinical pipeline and transition toward critical clinical milestones. The strategic focus will likely center on scaling its manufacturing capabilities and expanding its research infrastructure to support the advancement of its lead candidates. As the company matures, the emphasis will shift toward navigating regulatory pathways and establishing partnerships that can facilitate the commercialization of its therapeutic portfolio. The ongoing support from top-tier venture capital firms suggests a long-term commitment to building a sustainable, high-impact enterprise in the gene therapy space.

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Frequently Asked Questions Regarding Affinia Therapeutics Financial Insights

What are the most recent funding rounds that Affinia Therapeutics has completed, and what were the funding rounds?
Affinia Therapeutics has recently completed 3 funding rounds: Private Equity on Oct 14, 2025, Series C on Oct 7, 2025, Series B on May 3, 2021.
What is the total amount of funding Affinia Therapeutics has raised to date?
Affinia Therapeutics has raised a total of $223.3M in funding to date.
How many funding rounds has Affinia Therapeutics completed?
Affinia Therapeutics has completed 3 funding rounds.
How much funding did Affinia Therapeutics raise in its most recent funding round?
Affinia Therapeutics raised $13.3M in its most recent funding round.
Which was the largest funding round in Affinia Therapeutics's history?
The largest funding round in Affinia Therapeutics's history was $110M.
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