Amunix Pharmaceuticals

Focused on the discovery and development of protein-based therapeutics

Amunix Pharmaceuticals is a privately held drug discovery and development company with two proprietary technologies, XTEN® and ProTIA, that enable the rapid generation of protein therapeutics that are engineered to be fit for purpose. In 2018, Frazier acquired a majority stake in Amunix and is committed to building a leading biotechnology company devoted to discovering and developing innovative therapeutics for patients with cancer and other serious diseases. The Amunix platform has been validated through multiple collaborations with leading biopharmaceutical companies, including Celgene, Genentech, Janssen, Roche, Bioverativ, and Baxter.

Acquired by Sanofi in 2022
Year of Investment
Life Sciences
South San Francisco, California