Amunix Pharmaceuticals
ClosedMountain View, United States · $308.5M raised
- Headquarters
- Mountain View, California
- Employees
- 11–50
- Business Model
- B2B
- Total Funding
- $308.5M
- Last Round
- $118.5M Series DJan 2025
- Rounds
- 3
About
Amunix Pharmaceuticals was a Mountain View, California-based immuno-oncology company developing masked T-cell engagers and protein therapeutics for solid tumor cancers using its proprietary XTEN technology platform. The company raised $73 million in 2020 and $117 million in 2021 before being acquired by Sanofi in December 2021 for approximately $1 billion upfront, with its pipeline advancing toward clinical development. Its most advanced program, AMX-818, targeted HER2-expressing solid tumors.
Summary
Amunix Pharmaceuticals is a Biotech company based in Mountain View, United States. It has raised $308.5M in total across 3 rounds, most recently a $118.5M Series D round in Jan 2025. Investors include Viking Global and Omega Funds.
Funding History
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Jan 2025
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Series A through Series D — per-round amounts, valuations, and who invested in each round.
Investors
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