Jim Simons acquired 611k Argan shares worth $421M. That's 0.58% of their equity portfolio (17th largest holding). The investor owns 4.52% of the outstanding Argan stock. The first Argan trade was made in Q2 2013. Since then Jim Simons bought shares 26 more times and sold shares on 25 occasions. The stake costed the investor $31.8M, netting the investor a gain of 1222% so far.