Transphorm is based in Goleta, California. It has raised $210M in total funding. Backed by KKR, KKR Phorm Investors, GV.
Transphorm is based in Goleta, California. Transphorm has raised $210M in total disclosed funding. That places its disclosed total in the $100M–$250M range. The round record for Transphorm runs through 2021; nothing later has been disclosed. Investors on record include KKR, KKR Phorm Investors, GV. 3 distinct backers are named across the disclosed rounds.
Totals shown for Transphorm aggregate every disclosed round on file. To see how that compares, browse the companies in Goleta and the investors behind them below.
Company funding database · Investor directory · Founder database · Mega-rounds 2026