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Affinia Therapeutics

Affinia Therapeutics

Private
Waltham, MassachusettsHealthcare & Life Scienceshttps://affiniatx.com/

Last Round

Series C

Oct 7, 2025

Est. Valuation

$145M

Total Funding Raised

$210M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Affinia Therapeutics is a biotechnology company that develops next-generation gene therapies using a proprietary platform to engineer novel adeno-associated virus vectors for the treatment of rare and prevalent diseases.

Sector

Healthcare & Life Sciences

Verticals

Biotechnology, Drug Discovery, Precision Medicine

Business Model

B2B

Customer Profile

Services & Consulting

AI Layer

Application

Keywords

gene therapyAAVadeno-associated viruscapsid engineeringgenetic medicinebiotech platformdilated cardiomyopathyDCMgene deliveryAI drug discoveryBBB-penetrantcomputational biologyclinical stage biotechvector engineeringgenetic disease

Historical Pricing

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Caplight Momentum Score

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Affinia Therapeutics Comparables

Compare Affinia Therapeutics with similar companies based on industry and business-model similarity.

Affinia Therapeutics comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Solid Biosciences Inc.
83%
Nuevocor
81%
Capsida Biotherapeutics
79%

Affinia Therapeutics Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
Series COct 7, 2025
Series BMay 3, 2021
Series AMar 31, 2020

Key People

Founding team and executive leadership

Rob Aboud

Co-Founder And Chief Legal Officer

Founding Team

Rob May

SVP Of Tech Ops And CTO

Executive Team

Affinia Therapeutics Investors

Notable investors and investment history

Affinia Therapeutics investors
InvestorRounds
EcoR1 CapitalSeries B
RA Capital ManagementSeries B
Farallon Capital ManagementSeries B
TCG CrossoverSeries B
GVSeries C, Series B
Perceptive AdvisorsSeries C, Series B
New Enterprise AssociatesSeries B, Series C, Series A

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 21, 2026

    Monthly visitors increased 85% MoM.

  • Apr 28, 2026

    Presenting data on AFTX-201 program for bag3-associated DCM at upcoming conference.

Affinia Therapeutics Filings

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Affinia Therapeutics filings preview — column headings only; records require access
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Frequently Asked Questions

Common questions about Affinia Therapeutics's valuation, stock price, and market status.

Is Affinia Therapeutics a public or private company?

Affinia Therapeutics is a private company.

What is the current stock price of Affinia Therapeutics?

Affinia Therapeutics is a private company with no public stock price. No recent secondary market data is available.

How much is Affinia Therapeutics worth (valuation)?

Affinia Therapeutics's valuation is estimated at $145.0M based on funding round data.

Can I buy Affinia Therapeutics stock?

Affinia Therapeutics shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.

When was Affinia Therapeutics's last funding round?

Affinia Therapeutics's most recent funding round was Series C on October 7, 2025.

Who are the main investors in Affinia Therapeutics?

Key investors in Affinia Therapeutics include EcoR1 Capital, Farallon Capital Management, New Enterprise Associates (NEA), F-Prime Capital, New Enterprise Associates.

Will Affinia Therapeutics IPO soon?

No public IPO plans have been announced for Affinia Therapeutics.

How can I track Affinia Therapeutics secondary market activity?

Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Affinia Therapeutics's secondary market activity and sign up for updates.

Firmographic Details

HeadquartersWaltham, Massachusetts
Employee Range35
Year Founded2019
Last FundingOct 7, 2025

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