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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

Quaise Energy key facts

as of Oct 2026
  • Developer of wave drilling systems designed for deep geothermal heat access.
  • Quaise Energy is valued at approximately $1.2B as of Oct 2026, set at its Series B, Jul 2026; nothing has traded since, per PrivateMarketView’s mark.
  • It has raised $102.5M across 3 recorded rounds; the latest was Series B ($180.0M) in Jul 2026.
  • Notable investors include F-Prime Capital, Collaborative Fund, The Engine, Safar Partners, Arpa-E — 30 tracked in total.
  • Quaise Energy has filed 3 Form Ds with the SEC since 2022, most recently Dec 2023 ($13.1M sold to 9 investors).
  • Status: Privately Held (backing).
PrivateMarketView mark
MEDIUM confidence
$1.2B

Valued at $1.2B at its Series B, Jul 2026. Nothing has traded since.

set by its last priced roundas of Oct 2026question about this number?
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Quaise Energy funding rounds

3 rounds
Jul 2026Series B$180.0M▮
Nov 2023Early Stage VC$13.1MSEC filing▮
Jan 2022Later Stage VC$52.0MSEC filing▮
Full funding history →

Quaise Energy valuation

Quaise Energy was valued at $1.2 billion at its Series B in Jul 2026. That is the last priced event on record: no secondary trade or institutional fund mark has moved the figure since.

How much has Quaise Energy raised?

Quaise Energy has raised $103 million across 3 recorded rounds since 2022. The largest was a $52 million later-stage round in Jan 2022; the most recent was an $180 million Series B in Jul 2026. 1 of the rounds disclosed a post-money valuation.

Quaise Energy has filed 3 Form Ds with the SEC since 2022, most recently in Dec 2023 ($13.1 million sold to 9 investors).

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.

About Quaise Energy

Developer of wave drilling systems designed for deep geothermal heat access. The company's system builds and operates solutions that harness superhot geothermal energy far below the surface, enabling power generation that can rival the output of today's most efficient fossil fuel and nuclear plants.

Sector
Energy
HQ
Cambridge, MA, United States
Founded
2018
Employees
71
Ownership
Privately Held (backing)

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