Chuck Royce acquired 342k Esco Technologies shares worth $101M. That's 0.89% of their equity portfolio (7th largest holding). The investor owns 1.34% of the outstanding Esco Technologies stock. The first Esco Technologies trade was made in Q1 2013. Since then Chuck Royce bought shares thirteen more times and sold shares on thirteen occasions. The stake costed the investor $31.5M, netting the investor a gain of 221% so far.