Seattle, WA · Founded 2019 · Privately Held (backing)
Developer of artificial intelligence-powered control systems intended to help large industrial facilities learn, adapt, and improve performance. Phaidra is based in Seattle, WA and was founded in 2019. Its last reported valuation was $670 million in Oct 2025. It has raised $111 million.
Last reported valuation
$670.0M
Oct 2026
Priced at
—
Total raised
$110.5M
Last round
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Cap table — not yet on record
Phaidra'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: 26 names
·Watch Phaidra: the Monday email on marks, rounds and moves
