Al Gore acquired 1.53 Million Waters shares worth $544 Million. That's 2.45% of their equity portfolio (21st largest holding). The investor owns 2.54% of the outstanding Waters stock. The first Waters trade was made in Q1 2013. Since then Al Gore bought shares sixteen more times and sold shares on 21 occasions. The stake costed the investor $425 Million, netting the investor a gain of 28% so far.