Bunkerhill Health Raises $25M Series B for Hospital AI Agents

July 19, 2026

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Bunkerhill Health, based in Palo Alto, California, has closed a $25 million Series B led by Khosla Ventures. Sequoia, Felicis, Optum Ventures and Y Combinator also participated, bringing total funding to $55 million.

The company puts AI agents to work on the problems hospitals most need solved: long wait times, missed follow-ups and paperwork backlogs. Alongside its operational agents it holds nine clinical FDA cleared algorithms, including one that catches silent heart valve disease early and another that assesses osteoporosis risk.

Fifteen health systems currently run on its Carebricks platform, among them Cleveland Clinic, Mayo Clinic, Ballad Health, Intermountain Health, Sentara Health, Endeavor Health and The University of Texas Medical Branch Health.

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