Joel Greenblatt's position in Delta Air Lines is currently worth $18.3 Million. That's 0.19% of their equity portfolio (103rd largest holding). The first Delta Air Lines trade was made in Q3 2012. Since then Joel Greenblatt bought shares 24 more times and sold shares on seventeen occasions. The stake costed the investor $16.1 Million, netting the investor a gain of 14% so far.