Arca
9 known investors
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Turn mine waste into climate gold.
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
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?
- Turn mine waste into climate gold.
- 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.






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