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Arca
9 known investors
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Arca develops industrial carbon mineralization technology that accelerates reactions between CO₂ and alkaline rocks and industrial byproducts to permanently store carbon, generating carbon credits. It partners with heavy industries such as mining and steel to valorize alkaline waste streams and sells durable carbon removals to buyers.
Founders & leadership
Investors · 9
How we know: Lowercarbon Capital's portfolio page · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Robin Capital's portfolio page · press coverage · Not right? Tell us
How we know: open dataset · 5k.vc investor directory · Not right? Tell us
How we know: press coverage · Not right? Tell us
How we know: a partner's Signal profile · Not right? Tell us
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How we know: finance.yahoo.com · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: finance.yahoo.com · open dataset · 5k.vc investor directory · Not right? Tell us
Funding
SEC filings, press & company announcements- Undisclosed amountseed roundJun 2026
General Catalyst (lead), Index Ventures, Venrock
Source ↗ - Undisclosed amountSeries AJun 2026
General Catalyst (lead), Index Ventures, Venrock
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
Frequently asked questions
- What does Arca do?
- Arca develops industrial carbon mineralization technology that accelerates reactions between CO₂ and alkaline rocks and industrial byproducts to permanently store carbon, generating carbon credits. It partners with heavy industries such as mining and steel to valorize alkaline waste streams and sells durable carbon removals to buyers.
- Who founded Arca?
- Arca was founded by Bethany Ladd.
- Who are Arca's investors?
- Arca's investors include Lowercarbon Capital, Robin Capital, Antler, Draper B1, Enzo Ventures, General Catalyst, Index Ventures, RRE Ventures and 1 more.