Mario Gabelli acquired 11.2 Thousand American International Group shares worth $923 Thousand. That's 0.01% of their equity portfolio (548th largest holding). The first American International Group trade was made in Q3 2009. Since then Mario Gabelli bought shares thirteen more times and sold shares on 35 occasions. The stake costed the investor $454 Thousand, netting the investor a gain of 103% so far.