Chuck Royce acquired 157 Thousand Minerals Technologies shares worth $8.78 Million. That's 0.10% of their equity portfolio (298th largest holding). The first Minerals Technologies trade was made in Q1 2013. Since then Chuck Royce bought shares seventeen more times and sold shares on 27 occasions. The stake costed the investor $7.46 Million, netting the investor a gain of 18% so far.