Chuck Royce acquired 583 Thousand Brooks Automation shares worth $67.8 Million. That's 0.61% of their equity portfolio (23rd 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 28 occasions. The stake costed the investor $6.32 Million, netting the investor a gain of 973% so far.