Ultra Clean Holdings is based in Hayward, California. It has raised $350M in total funding. Latest round: IPO.
Ultra Clean Holdings is based in Hayward, California. Ultra Clean Holdings has raised $350M in total disclosed funding. That places its disclosed total in the $250M–$1B range. Its most recent disclosed round is an IPO.
We update the Ultra Clean Holdings record whenever a new round is filed or announced, so the totals above track the public record rather than estimates. Related companies in Hayward and their backers are listed below.
Company funding database · Investor directory · Founder database · Mega-rounds 2026