Ken Griffin acquired 755 Thousand Owens Corning shares worth $85.7 Million. That's 0.10% of their equity portfolio (245th largest holding). The first Owens Corning trade was made in Q2 2013. Since then Ken Griffin bought shares 42 more times and sold shares on 47 occasions. The stake costed the investor $44.4 Million, netting the investor a gain of 93% so far.