Joel Greenblatt acquired 18.3 Thousand Beacon Roofing Supply shares worth $1.76 Million. That's 0.03% of their equity portfolio (663rd largest holding). The first Beacon Roofing Supply trade was made in Q1 2011. Since then Joel Greenblatt bought shares thirteen more times and sold shares on fifteen occasions. The stake costed the investor $1.34 Million, netting the investor a gain of 32% so far.