Cambridge, MA · Founded 2021 · Privately Held (backing)
Operator of a molecular radio therapeutic company intended for biotechnology research services. Actithera is based in Cambridge, MA and was founded in 2021. Its last reported valuation was $110 million in Jul 2025. It has raised $80.8 million.
Last reported valuation
$110.0M
Oct 2026
Priced at
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Total raised
$80.8M
Last round
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Cap table — not yet on record
Actithera'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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·Watch Actithera: the Monday email on marks, rounds and moves
