Joel Greenblatt's position in IPG Photonics is currently worth $2.19 Million. That's 0.02% of their equity portfolio (652nd largest holding). The first IPG Photonics trade was made in Q1 2013. Since then Joel Greenblatt bought shares twenty more times and sold shares on nineteen occasions. The investor's estimated purchase price is $3.15 Million, resulting in a loss of 30%.