Mario Gabelli acquired 297 Thousand Henry Schein shares worth $20.8 Million. That's 0.22% of their equity portfolio (115th largest holding). The first Henry Schein trade was made in Q2 2001. Since then Mario Gabelli bought shares 23 more times and sold shares on 63 occasions. The stake costed the investor $6.29 Million, netting the investor a gain of 230% so far.