Mario Gabelli acquired 16.6 Thousand Beacon Roofing Supply shares worth $2.06 Million. That's 0.02% of their equity portfolio (460th largest holding). The first Beacon Roofing Supply trade was made in Q3 2006. Since then Mario Gabelli bought shares five more times and sold shares on five occasions. The stake costed the investor $1.22 Million, netting the investor a gain of 69% so far.