Mario Gabelli acquired 72.7k T-Mobile US shares worth $18.3M. That's 0.17% of their equity portfolio (147th largest holding). The first T-Mobile US trade was made in Q2 2013. Since then Mario Gabelli bought shares fifteen more times and sold shares on 33 occasions. The stake costed the investor $2.83M, netting the investor a gain of 548% so far.