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Anthropic Bought Mithril, a One-Man Biotech Startup Built by an Anonymous X User

Meet Cody Tranbarger, the founder of Mithril Medicine, who just sold his biotech company to Anthropic.

Polina Pompliano's avatar
Polina Pompliano
Oct 28, 2026

The internet is such a weird place, man. I love it.

For six years, nearly 30,000 people in biotech followed an anonymous account named after a Pokémon professor (@Prof_Oak_).

On Tuesday, the man behind the account finally revealed his identity, and shared news that Anthropic had acquired his one-person biotech company.

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