US · clean technology · climate · energy
3 rounds we have observed, with the investors named in each. Every figure below came from a named source, and where the company reported the raise to the SEC itself, that is shown beside it.
Debt · Mar 2026 · $421M
No investor was named in the report.
Reported by Ventureburn · SEC filing: $452M sold under the offering, first sale Dec 2025
Series E · Dec 2025 · $462M
B Capital lead, Google, DCVC, Breakthrough Energy Ventures, Capricorn Investment Group, Congruent Ventures, CPP Investments, Galvanize, AllianceBernstein, Liberty Mutual Investments, CalSTRS, JB Straubel, Marunouchi Innovation Partners, Mitsui & Co, Mercuria, Sabanci Climate Ventures, Atacama Ventures, Carbon Equity, Centaurus Capital, Climate First, Devon Energy, Echelon, Impact Science Ventures, Kris Singh, Mitsubishi Heavy Industries
Reported by TechCrunch and 1 other · SEC filing: $452M sold under the offering, first sale Dec 2025
Undisclosed round · Jun 2025 · $206M
Mercuria, Breakthrough Energy Catalyst, X-Caliber Rural Capital
Reported by TechCrunch
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