Joel Greenblatt's position in AT&T is currently worth $26.9 Million. That's 0.21% of their equity portfolio (52nd largest holding). The first AT&T trade was made in Q4 2012. Since then Joel Greenblatt bought shares 27 more times and sold shares on 21 occasions. The stake costed the investor $25.6 Million, netting the investor a gain of 4.9% so far.