Ken Griffin's position in Beacon Roofing Supply is currently worth $1.99 Million. That's 0.00% of their equity portfolio (2220th largest holding). The first Beacon Roofing Supply trade was made in Q2 2013. Since then Ken Griffin bought shares 49 more times and sold shares on 44 occasions. The stake costed the investor $962 Thousand, netting the investor a gain of 107% so far.