Chuck Royce acquired 892 Thousand Ultra Clean Hldgs shares worth $18 Million. That's 0.20% of their equity portfolio (152nd largest holding). The investor owns 1.97% of the outstanding Ultra Clean Hldgs stock. The first Ultra Clean Hldgs trade was made in Q1 2013. Since then Chuck Royce bought shares twenty more times and sold shares on 28 occasions. The stake costed the investor $10.1 Million, netting the investor a gain of 77% so far.