Brisbane, CA · Founded 2020 · Privately Held (backing)
Developer of a carbon capture and utilization technology designed to enhance the natural process of carbon dioxide absorption from the atmosphere. Heirloom is based in Brisbane, CA and was founded in 2020. Its last reported valuation was $253 million in Jan 2022. It has raised $57.6 million.
Last reported valuation
$253.0M
Oct 2026
Priced at
—
Total raised
$57.6M
Last round
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Team — not yet on record
No current team members for Heirloom are on record yet. People surface from round filings, company disclosures, and coverage sessions.
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·The complete investor list: 48 names
·Watch Heirloom: the Monday email on marks, rounds and moves
