Joel Greenblatt's position in IPG Photonics is currently worth $509 Thousand. That's 0.01% of their equity portfolio (986th largest holding). The first IPG Photonics trade was made in Q1 2013. Since then Joel Greenblatt bought shares sixteen more times and sold shares on nineteen occasions. The investor's estimated purchase price is $610 Thousand, resulting in a loss of 17%.