Joel Greenblatt acquired 47.8 Thousand Citigroup shares worth $3.41 Million. That's 0.03% of their equity portfolio (560th largest holding). The first Citigroup trade was made in Q3 2012. Since then Joel Greenblatt bought shares twenty more times and sold shares on 22 occasions. The stake costed the investor $2.83 Million, netting the investor a gain of 21% so far.