SiFive is an AI Infrastructure company based in San Francisco, California. It has raised $586M in total funding. Latest round: Series G.
SiFive is an AI Infrastructure company based in San Francisco, California. SiFive has raised $586M in total disclosed funding. That places its disclosed total in the $250M–$1B range. Its most recent disclosed round is a Series G announced in April 2026. The round record for SiFive runs through 2026; nothing later has been disclosed. Investors on record include Atreides Management, NVIDIA, Apollo Global Management, Spark Capital, Sutter Hill Ventures, Osage University Partners and 6 others. 12 distinct backers are named across the disclosed rounds.
We update the SiFive record whenever a new round is filed or announced, so the totals above track the public record rather than estimates. Related AI Infrastructure companies in San Francisco and their backers are listed below.
Company funding database · Investor directory · Founder database · Mega-rounds 2026