Ken Griffin acquired 526 Thousand Telephone And Data Systems shares worth $8.45 Million. That's 0.01% of their equity portfolio (1221st largest holding). The first Telephone And Data Systems trade was made in Q2 2013. Since then Ken Griffin bought shares 43 more times and sold shares on 36 occasions. The stake costed the investor $6.83 Million, netting the investor a gain of 24% so far.