Joel Greenblatt's position in Otter Tail is currently worth $1.38 Million. That's 0.02% of their equity portfolio (695th largest holding). The first Otter Tail trade was made in Q4 2012. Since then Joel Greenblatt bought shares seven more times and sold shares on four occasions. The stake costed the investor $1.16 Million, netting the investor a gain of 19% so far.