Yarrow is based in New Haven. It has raised $200M in total funding. Latest round: Growth. Backed by RTW Investments.
Yarrow is based in New Haven. Yarrow has raised $200M in total disclosed funding. That places its disclosed total in the $100M–$250M range. Its most recent disclosed round is a Growth announced in December 2025. The round record for Yarrow runs through 2025; nothing later has been disclosed. Investors on record include RTW Investments.
We update the Yarrow record whenever a new round is filed or announced, so the totals above track the public record rather than estimates. Related companies in New Haven and their backers are listed below.
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