Ken Griffin acquired 867 Thousand Astrazeneca plc shares worth $58.4 Million. That's 0.06% of their equity portfolio (429th largest holding). The first Astrazeneca plc trade was made in Q2 2013. Since then Ken Griffin bought shares 59 more times and sold shares on 52 occasions. The stake costed the investor $50.4 Million, netting the investor a gain of 16% so far.