Bunkerhill raises $55M to scale agentic AI across health systems

Bunkerhill Health has raised $55 million to scale its agentic AI platform, Carebricks.

The closing of the company’s Series B round, announced today, folds in continued participation from Sequoia Capital, Felicis, Optum Ventures, and Y Combinator. However, a funding total doesn’t answer the key question any hospital executive wants to know about healthcare AI: does the software run inside a working hospital?

That question is among the reasons why Khosla Ventures put its name on this deal. Healthcare organisations have put no shortage of funding behind machine learning pilots that perform well in a research setting and then never touch a live patient chart.

Bunkerhill’s argument to investors, and to the health systems already paying for it, is that Carebricks closes the space between a model that works in a sandbox and one that runs against live clinical data at institutional scale.

The backdrop is a spending number and a staffing problem. US healthcare spending hit $5.3 trillion in 2024, according to the Centers for Medicare &am...