Mario Gabelli acquired 23.9 Thousand Abbott Laboratories shares worth $2.54 Million. That's 0.03% of their equity portfolio (427th largest holding). The first Abbott Laboratories trade was made in Q1 2001. Since then Mario Gabelli bought shares 32 more times and sold shares on 53 occasions. The stake costed the investor $390 Thousand, netting the investor a gain of 551% so far.