Magrathea

Raised $24M in a Series A round, announced 5 May 2026.

Total raised
$24M

Latest round Series ACountry United StatesSector Climate & Energy

Round

$24MSeries A, 5 May 2026

Series A funds a demonstration smelter to rebuild US magnesium production.

Amount
$24M
Stage
Series A
Announced
5 May 2026
Lead
Resource Technology Capital
Other investors
Balerion Space Ventures, VoLo Earth, Capricorn Investment Group
Use of funds
Series A funds a demonstration smelter to rebuild US magnesium production.
Checked
Amount and date matched across 2 press sources
Sources
Magrathea closes $24M Series A for American magnesium production axios.com
Magrathea closes $24M Series A for American magnesium production pulse2.com
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Company

Extracts magnesium metal from seawater and waste brines

Based in
San Francisco, United States
Sector
Climate & Energy
Website
magrathea.ai ↗

Links

Website
magrathea.ai ↗

Questions

How much has Magrathea raised?

Magrathea raised $24M in a Series A round, announced on 5 May 2026.

Who invested in Magrathea?

Resource Technology Capital led. Investors include Resource Technology Capital, Balerion Space Ventures, VoLo Earth and Capricorn Investment Group.