Pathos
Where the Future of Drug Development Begins
Chicago, United States · Founded 2020 · $467.0M raised
- Headquarters
- Chicago, Illinois
- Employees
- 51–200
- Founded
- 2020
- Business Model
- B2B
- Website
- pathos.ai
- Total Funding
- $467.0M
- Last Round
- $365.0M Series DMay 2025
- Rounds
- 4
About
Pathos is an AI-enabled clinical-stage biotech re-engineering drug development for precision oncology. Using the largest multimodal oncology dataset and thousands of AI agents, we simulate trials, identify responsive patient subgroups, and accelerate therapies from hypothesis to clinic. Our platform de-risks development, improves success rates, and delivers better outcomes faster.
Summary
Pathos is an Artificial Intelligence company based in Chicago, United States, founded in 2020. It has raised $467.0M in total across 4 rounds, most recently a $365.0M Series D round in May 2025. Investors include Revolution Growth, Sofinnova Partners and Earlybird Venture Capital.
Tech & App Stack
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Funding History
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May 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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