Affinivax

Acquired

Cambridge, United States · Founded 2014 · $348.5M raised

Employees
51–200
Founded
2014
Business Model
B2B
Total Funding
$348.5M
Last Round
$226.0M Series CJan 2021
Rounds
4
Acquisition Date
May 2022

About

Affinivax was a Cambridge, Massachusetts-based clinical-stage biotechnology company founded in 2014, pioneering the Multiple Antigen Presenting System (MAPS) platform technology for next-generation vaccines. Its lead asset, a 24-valent pneumococcal vaccine (AFX3772), received FDA Breakthrough Therapy designation and was in Phase II trials when GSK acquired the company for $2.1 billion upfront in August 2022.

Summary

Affinivax is a Biotech company based in Cambridge, United States, founded in 2014. It has raised $348.5M in total across 4 rounds, most recently a $226.0M Series C round in Jan 2021.

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Funding History

AcquisitionMay 2022
$2.1B

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Full funding history, per-round amounts, and investor participation.

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