Joel Greenblatt acquired 177 Thousand Generac Holdings shares worth $26.9 Million. That's 0.21% of their equity portfolio (57th largest holding). The first Generac Holdings trade was made in Q2 2012. Since then Joel Greenblatt bought shares 26 more times and sold shares on twenty occasions. The stake costed the investor $15.4 Million, netting the investor a gain of 75% so far.