Mario Gabelli acquired 71.8 Thousand T-Mobile US shares worth $16.5 Million. That's 0.17% of their equity portfolio (146th largest holding). The first T-Mobile US trade was made in Q2 2013. Since then Mario Gabelli bought shares fourteen more times and sold shares on 33 occasions. The stake costed the investor $2.78 Million, netting the investor a gain of 495% so far.