Joel Greenblatt acquired 247 Thousand Interpublic Group Of Cos. shares worth $6.04 Million. That's 0.05% of their equity portfolio (471st largest holding). The first Interpublic Group Of Cos. trade was made in Q1 2011. Since then Joel Greenblatt bought shares 30 more times and sold shares on 26 occasions. The stake costed the investor $5.38 Million, netting the investor a gain of 12% so far.