Sectors

Health

Healthcare spends a remarkable share of its money on coordination: scheduling, approvals, recruitment, follow-up. We back companies that take that work off clinicians and give patients an answer sooner.

companies
4
active
2
exits
2
first investment
2017

What we look for

We prefer founders who have worked inside the system they are changing, and products that a hospital or clinic can adopt without rebuilding its workflow around them.

Health companies

Open in the directory

Who to talk to

From the journal

Investor letters

Second-quarter letter, 2026

Our letter to the partners in our funds for the second quarter of 2026: two new Fund V investments, early results at Amperra and Kiln, and where Fund III stands after Ostra.

Grant Holloway and Sofia Ortega

Investor letters

Annual letter, 2025

Our annual letter to the partners in our funds: closing Fund V, the sale of Ostra, Tidewater's first year as a public company, and the first five Fund V investments.

Nadia Mensah and Theo Marchetti

A receptionist in grey scrubs using a tablet at a clinic front desk

News

Ostra joins Calder Health

Ostra, which helps hospitals find and enrol patients for clinical trials, has been acquired by Calder Health. A note on what the company built.

Amira Haddad

Building in health?

We read every pitch, and a partner replies within ten working days.

Pitch us