Joel Greenblatt's position in Mosaic Company is currently worth $17.4 Million. That's 0.17% of their equity portfolio (116th largest holding). The first Mosaic Company trade was made in Q1 2012. Since then Joel Greenblatt bought shares fifteen more times and sold shares on seventeen occasions. The stake costed the investor $15.8 Million, netting the investor a gain of 10% so far.