Ken Griffin acquired 10.8 Thousand Gibraltar Industries shares worth $634 Thousand. That's 0.00% of their equity portfolio (3209th largest holding). The first Gibraltar Industries trade was made in Q2 2013. Since then Ken Griffin bought shares 34 more times and sold shares on 33 occasions. The stake costed the investor $605 Thousand, netting the investor a gain of 4.8% so far.