Magrathea
PrivateLast Round
Series A
May 5, 2026
Total Funding Raised
$77.6M
Momentum Score
25 /100
Company Overview
Magrathea is a cleantech company developing a new generation of electrolytic technology for making carbon neutral magnesium metal from seawater and brines for the era of electrification and decarbonization.
Sector
Frontier & Industrial Tech
Verticals
Advanced Materials, Clean Manufacturing, Defense Tech, Sustainable Materials
Business Model
B2G
Customer Profile
Government Contracts, Hardware Sales
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Magrathea Comps
Public and private peers based on sector, stage, and business model.
Magrathea Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series A | May 5, 2026 | ||||
| Series A | Mar 1, 2026 | ||||
| Grant | Feb 1, 2024 | ||||
| Seed | Jun 7, 2023 |
Key People
Founding team and executive leadership
Magrathea Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Capricorn Investment Group | Series A, Seed |
| EQT Foundation | Seed |
| Balerion Space Ventures | Series A |
| OXCART Ventures | Series A |
| Necessary Ventures | Seed |
| U.S. Department of Defense | Grant |
| Avila VC | Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- May 5, 2026
$24M round led by Balerion Space Ventures and Resource Technology Capital.
- Mar 1, 2026
$24M round led by Resource Technology Capital and Balerion Space Ventures.
Magrathea Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Magrathea's valuation, stock price, and market status.
