Al Gore acquired 12 Million Henry Schein shares worth $879 Million. That's 3.68% of their equity portfolio (10th largest holding). The investor owns 9.97% of the outstanding Henry Schein stock. The first Henry Schein trade was made in Q1 2013. Since then Al Gore bought shares fourteen more times and sold shares on 28 occasions. The stake costed the investor $607 Million, netting the investor a gain of 45% so far.