Ken Griffin acquired 282 Thousand AECOM shares worth $26.5 Million. That's 0.03% of their equity portfolio (677th largest holding). The first AECOM trade was made in Q2 2013. Since then Ken Griffin bought shares 57 more times and sold shares on 40 occasions. The stake costed the investor $23.9 Million, netting the investor a gain of 11% so far.