Chuck Royce acquired 403 Thousand Esco Technologies shares worth $70.1 Million. That's 0.79% of their equity portfolio (10th largest holding). The investor owns 1.63% of the outstanding Esco Technologies stock. The first Esco Technologies trade was made in Q1 2013. Since then Chuck Royce bought shares twelve more times and sold shares on ten occasions. The stake costed the investor $37.1 Million, netting the investor a gain of 89% so far.