MatX is an AI Infrastructure company. It has raised $500M in total funding. Latest round: Series B.
MatX is an AI Infrastructure company. MatX has raised $500M in total disclosed funding. That places its disclosed total in the $250M–$1B range. Its most recent disclosed round is a Series B announced in February 2026. The round record for MatX runs through 2026; nothing later has been disclosed. Investors on record include Jane Street, Situational Awareness LP, Spark Capital, TriatomicCap, HarpoonVentures, Marvell and 1 others. 7 distinct backers are named across the disclosed rounds.
We update the MatX record whenever a new round is filed or announced, so the totals above track the public record rather than estimates. Related AI Infrastructure companies and their backers are listed below.
Company funding database · Investor directory · Founder database · Mega-rounds 2026