Overview
Coefficient Bio was a stealth AI biotech startup (~10 employees) acquired by anthropic in April 2026 for approximately $400M in stock. Founders Samuel Stanton and Nathan C. Frey came from Genentech Prescient Design.
Recent Developments
- 2026-04: Acquisition closed; team joined Anthropic life sciences under eric-kauderer-abrams
- 2026-09-18: Acquisition context for Anthropic Bay Area wet lab confirmation (2026-09-18-anthropic-wet-biology-lab)