US · batteries · battery · clean tech
Who invested in Base Power
4 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.
The rounds
Series D · Aug 2026 · $1.0B
Valor Equity Partners lead, Addition lead, JPMorganChase's Strategic Investment Group lead, JPMorganChase’s Strategic Investment Group lead, Ribbit lead, a16z, Lightspeed, Coatue, Thrive Capital, CapitalG, Altimeter, D1 Capital Partners, Energy Impact Partners, Sands Capital, Thrive, Trust Ventures, Layer Global
Reported by TechCrunch and 1 other
Series C · Oct 2025 · $1.0B
Addition lead, Andreessen Horowitz, Lightspeed, Thrive Capital, Valor Equity Partners, CapitalG, Elad Gil, Spark, Trust Ventures, Lowercarbon, Ribbit
Reported by TechCrunch and 1 other
Series B · Aug 2025 · $200M
Andreessen Horowitz (a16z), Lightspeed, Thrive Capital, Valor Equity Partners, Addition
Reported by TechStartups
Series B · Apr 2025 · $200M
Andreessen Horowitz lead, Lightspeed Venture Partners lead, Valor Equity Partners lead, Addition lead, Altimeter, Trust Ventures, Terrain, Thrive Ventures
Reported by Crunchbase News and 1 other
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.