Pathos AI lands $365 million for AI-driven cancer drugs

16 May 2025

Pathos AI, a US biotech specializing in artificial intelligence for cancer drug development, has raised $365 million in a series D financing round, lifting its valuation to about $1.6 billion. The company, based in Boston, plans to use the funds to advance its clinical-stage pipeline and further develop its proprietary AI foundation model for oncology.

The latest round comes just seven months after Pathos secured $62 million in series C funding, bringing its total capital raised to roughly $467 million. The company did not disclose the investors behind the new round.

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