Fundamental is an AI Infrastructure company based in San Francisco, CA. It has raised $255M in total funding. Latest round: Series A.
Fundamental is an AI Infrastructure company based in San Francisco, CA. Fundamental has raised $255M in total disclosed funding. That places its disclosed total in the $250M–$1B range. Its most recent disclosed round is a Series A announced in February 2026. The round record for Fundamental runs through 2026; nothing later has been disclosed. Investors on record include Oak HC/FT, Valor Equity Partners, Battery Ventures, Salesforce Ventures, Hetz Ventures. 5 distinct backers are named across the disclosed rounds.
Totals shown for Fundamental aggregate every disclosed round on file. To see how that compares, browse the AI Infrastructure companies in San Francisco and the investors behind them below.
Company funding database · Investor directory · Founder database · Mega-rounds 2026