Cambridge, MA · Founded 2021 · Privately Held (backing)
Developer of a spatial transcriptomics platform intended to improve biopsy quality by applying artificial intelligence. Portrai is based in Cambridge, MA and was founded in 2021. Its last reported valuation was $14.9 million in Mar 2023. It has raised $14.5 million.
Last reported valuation
$14.9M
Oct 2026
Priced at
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Total raised
$14.5M
Last round
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Cap table — not yet on record
Portrai'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: 11 names
·Watch Portrai: the Monday email on marks, rounds and moves
