Chuck Royce acquired 759k Ultra Clean Hldgs shares worth $70.3M. That's 0.62% of their equity portfolio (21st largest holding). The investor owns 1.83% of the outstanding Ultra Clean Hldgs stock. The first Ultra Clean Hldgs trade was made in Q1 2013. Since then Chuck Royce bought shares 22 more times and sold shares on 30 occasions. The stake costed the investor $8.97M, netting the investor a gain of 684% so far.