PDF Solutions

PDF Solutions is a Santa Clara semiconductor analytics company that turns the firehose of chip-manufacturing and test data into decisions. Its Exensio platform connects fabs, foundries, OSATs and fabless designers, normalizing data across silos so customers can ramp yield faster, catch defects earlier and run AI/ML models on the factory floor. Founded in 1991 and public since 2001 (Nasdaq: PDFS), it serves 130+ semiconductor companies including TSMC, Intel, Qualcomm, Analog Devices and DENSO.