Joel Greenblatt acquired 80 Thousand Generac Holdings shares worth $12 Million. That's 0.19% of their equity portfolio (88th largest holding). The first Generac Holdings trade was made in Q2 2012. Since then Joel Greenblatt bought shares 23 more times and sold shares on nineteen occasions. The stake costed the investor $5.76 Million, netting the investor a gain of 108% so far.