Ken Griffin acquired 31.7 Thousand Granite Construction shares worth $1.73 Million. That's 0.00% of their equity portfolio (2335th largest holding). The first Granite Construction trade was made in Q2 2013. Since then Ken Griffin bought shares 48 more times and sold shares on 43 occasions. The stake costed the investor $1.37 Million, netting the investor a gain of 26% so far.