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Magrathea Raises $24.0

Recently funded · $24.0M Series aManufacturingUSView source

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Magrathea, a startup focused on creating carbon neutral magnesium metal from seawater and brines, has secured $24.0M in Series A funding. The company is developing a new generation of electrolytic technology, a crucial step towards providing sustainable materials for the era of electrification and decarbonization.

The investment round saw participation from Resource Technology Capital, Balerion Space Ventures, and Capricorn Investment Group. Magrathea's innovative process aims to address the growing demand for magnesium while significantly reducing its carbon footprint, a key challenge in industrial decarbonization.

📊 AmTech Daily: Deals Defining America's Future — May 6, 2026 Energy 🔹 Panthalassa (Portland, OR), developing self-operating, wave-powered ocean platforms that harness wave energy to power floating AI data centers at sea, raised $140 million in Series B funding led by Peter Thiel, joined by Time Ventures, SciFi VC, Susquehanna Sustainable Investments (SSI), Hanwha Asset Management, and others.

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