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
How much has Capture6 raised?
$34.4Macross 1 recorded rounds · Mar 2022 – Mar 2022

Most recently, Capture6 raised $6.8M in its Debt (Mar 2022).

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Capture6 round by round

1 rounds
Mar 2022Debt$6.8MSEC filing▮
45 investors participated

How much has Capture6 raised?

Capture6 has raised $34.4 million in total; 1 of its rounds is on record. The largest on record was a $6.8 million debt round in Mar 2022.

Capture6 has filed 2 Form Ds with the SEC, most recently in Oct 2023 ($6.8 million sold to 45 investors).

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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17 investors have backed Capture6.

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Frequently asked about Capture6

How much has Capture6 raised?
Capture6 has raised $34.4M in total across 1 recorded funding rounds.
When was Capture6's last funding round?
Capture6's most recent recorded round was Debt in Mar 2022, raising $6.8M.