Mario Gabelli acquired 131 Thousand T-Mobile US shares worth $21.3 Million. That's 0.23% of their equity portfolio (116th 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 28 occasions. The stake costed the investor $5.06 Million, netting the investor a gain of 320% so far.