Quaise Energy

Cambridge, MA · Founded 2018 · Privately Held (backing)

Developer of wave drilling systems designed for deep geothermal heat access. Quaise Energy is based in Cambridge, MA and was founded in 2018. It was valued at $1.2 billion at its Series B in Jul 2026, the last priced event on record. It has raised $103 million across 3 recorded rounds; the latest was an $180 million Series B in Jul 2026.

PMV mark · valuation
$1.2B
Oct 2026
Priced at
its Series B
Jul 2026
Total raised
$102.5M
Last round
Series B
Jul 2026

Who backs Quaise Energy?

30 investors
InvestorType
F-Prime CapitalVenture capital
Collaborative FundOther
The EngineOther
Safar PartnersVenture capital
Arpa-E—
Engine VenturesVenture capital
Prelude VenturesVenture capital
Helium-3 Ventures—
Starlight Ventures—
Spectrum ImpactFamily office
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Quaise Energy investors

30 investors are on record for Quaise Energy, including F-Prime Capital, Collaborative Fund, The Engine and Safar Partners. By type, the record holds 5 venture capital firms and 1 family office. The Series B in Jul 2026 drew 5 investors.

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