Ken Griffin acquired 1.69 Million Astrazeneca plc shares worth $119 Million. That's 0.12% of their equity portfolio (222nd 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 55 occasions. The stake costed the investor $104 Million, netting the investor a gain of 15% so far.