Phaidra

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
—

Who backs Phaidra?

26 investors
InvestorType
Index VenturesVenture capital
Collaborative FundOther
Nvidia—
Sony Innovation FundVenture capital
Mark CubanHigh net worth
Firstminute CapitalVenture capital
S32Venture capital
GS FuturesVenture capital
Character (VC)Venture capital
Amazon Launchpad Sustainability AcceleratorOther
+ 16 more investors · a free account shows the complete list
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Phaidra investors

26 investors are on record for Phaidra, including Index Ventures, Collaborative Fund, Nvidia and Sony Innovation Fund. By type, the record holds 7 venture capital firms and 2 hedge funds.

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