Ken Griffin's position in Advanced Micro Devices is currently worth $2.38 Billion. It makes up 2.42% of their stock portfolio and is their biggest holding. The first Advanced Micro Devices trade was made in Q2 2013. Since then Ken Griffin bought shares 57 more times and sold shares on 45 occasions. The stake costed the investor $939 Million, netting the investor a gain of 153% so far.