Joel Greenblatt's position in T-Mobile US is currently worth $11.9 Million. That's 0.21% of their equity portfolio (68th largest holding). The first T-Mobile US trade was made in Q1 2016. Since then Joel Greenblatt bought shares eighteen more times and sold shares on twelve occasions. The stake costed the investor $8.58 Million, netting the investor a gain of 39% so far.