Tokyo, Japan · Founded 2016 · Privately Held (backing)
Developer of a cancer detection technology designed to identify small amounts of cancerous odors in urine with high accuracy. Hirotsu Bio Science is based in Tokyo, Japan and was founded in 2016. Its last reported valuation was $500 million in Jan 2025. It has raised $126 million.
Last reported valuation
$500.0M
Oct 2026
Priced at
—
Total raised
$125.5M
Last round
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Cap table — not yet on record
Hirotsu Bio Science's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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·The complete investor list: 19 names
·Watch Hirotsu Bio Science: the Monday email on marks, rounds and moves
