Al Gore acquired 1.86 Million Becton Dickinson shares worth $435 Million. That's 1.82% of their equity portfolio (24th largest holding). The first Becton Dickinson trade was made in Q1 2013. Since then Al Gore bought shares sixteen more times and sold shares on 27 occasions. The stake costed the investor $328 Million, netting the investor a gain of 33% so far.