Mario Gabelli acquired 1.88 Million Telephone And Data Systems shares worth $66.8 Million. That's 0.69% of their equity portfolio (25th largest holding). The investor owns 1.88% of the outstanding Telephone And Data Systems stock. The first Telephone And Data Systems trade was made in Q1 2012. Since then Mario Gabelli bought shares eight more times and sold shares on 44 occasions. The stake costed the investor $45.7 Million, netting the investor a gain of 46% so far.