Capture6

San Francisco, CA · Founded 2022 · Privately Held (backing)

Developer of a carbon dioxide removal technology designed to reduce emissions of climate gases. Capture6 is based in San Francisco, CA and was founded in 2022. Its last reported valuation was $118 million in Mar 2025. It has raised $34.4 million across 1 recorded round; the latest was a $6.8 million debt round in Mar 2022.

Last reported valuation
$117.5M
Oct 2026
Priced at
—
Total raised
$34.4M
Last round
Debt
Mar 2022

Who backs Capture6?

17 investors
InvestorType
Greentown LabsOther
Third DerivativeOther
Elemental ImpactOther
Urban Future LabOther
Creative HQOther
Baltimore Community Foundation—
Bridge Investment—
California Energy Commission—
Carbon to Value (C2V) Initiative—
Energy Capital Ventures—
+ 7 more investors · a free account shows the complete list
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Capture6 investors

17 investors are on record for Capture6, including Greentown Labs, Third Derivative, Elemental Impact and Urban Future Lab. The debt round in Mar 2022 drew 45 investors.

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