Joel Greenblatt acquired 791k Olin shares worth $20.4M. That's 0.06% of their equity portfolio (453rd largest holding). The first Olin trade was made in Q2 2012. Since then Joel Greenblatt bought shares 24 more times and sold shares on nineteen occasions. The stake costed the investor $19.4M, netting the investor a gain of 5.3% so far.