Mario Gabelli acquired 101 Thousand T-Mobile US shares worth $16.5 Million. That's 0.17% of their equity portfolio (151st 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 29 occasions. The stake costed the investor $3.88 Million, netting the investor a gain of 324% so far.