Jim Simons acquired 2.16M Micron Technology shares worth $2.15B. It makes up 2.97% of their stock portfolio and is their biggest holding. The first Micron Technology trade was made in Q3 2013. Since then Jim Simons bought shares nineteen more times and sold shares on 23 occasions. The stake costed the investor $409M, netting the investor a gain of 427% so far.