Mario Gabelli acquired 355 Thousand Henry Schein shares worth $25.8 Million. That's 0.27% of their equity portfolio (96th largest holding). The first Henry Schein trade was made in Q2 2001. Since then Mario Gabelli bought shares 27 more times and sold shares on 64 occasions. The stake costed the investor $7.74 Million, netting the investor a gain of 233% so far.