Joel Greenblatt's position in Delta Air Lines is currently worth $12.1 Million. That's 0.22% of their equity portfolio (64th largest holding). The first Delta Air Lines trade was made in Q3 2012. Since then Joel Greenblatt bought shares 22 more times and sold shares on fifteen occasions. The stake costed the investor $10.7 Million, netting the investor a gain of 14% so far.