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
Cap table — not yet on record
Capture6's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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·The complete investor list: 17 names
·Watch Capture6: the Monday email on marks, rounds and moves