Joel Greenblatt's position in Otter Tail is currently worth $692 Thousand. That's 0.01% of their equity portfolio (928th 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 five occasions. The stake costed the investor $517 Thousand, netting the investor a gain of 34% so far.