Ken Griffin's position in Beacon Roofing Supply is currently worth $1.44 Million. That's 0.00% of their equity portfolio (2548th largest holding). The first Beacon Roofing Supply trade was made in Q2 2013. Since then Ken Griffin bought shares 54 more times and sold shares on 51 occasions. The stake costed the investor $584 Thousand, netting the investor a gain of 147% so far.