Mario Gabelli's position in American Electric Power Company is currently worth $859 Thousand. That's 0.01% of their equity portfolio (575th largest holding). The first American Electric Power Company trade was made in Q1 2001. Since then Mario Gabelli bought shares 24 more times and sold shares on 21 occasions. The stake costed the investor $385 Thousand, netting the investor a gain of 123% so far.