Mario Gabelli acquired 49.6 Thousand Boston Scientific shares worth $3.34 Million. That's 0.04% of their equity portfolio (379th largest holding). The first Boston Scientific trade was made in Q3 2003. Since then Mario Gabelli bought shares eighteen more times and sold shares on 51 occasions. The stake costed the investor $498 Thousand, netting the investor a gain of 571% so far.