Chuck Royce acquired 595 Thousand Brooks Automation shares worth $69.2 Million. That's 0.62% of their equity portfolio (19th largest holding). The first Brooks Automation trade was made in Q1 2013. Since then Chuck Royce bought shares fifteen more times and sold shares on 27 occasions. The stake costed the investor $6.45 Million, netting the investor a gain of 973% so far.