Jim Simons acquired 5.74 Million Alkermes plc shares worth $167 Million. That's 0.24% of their equity portfolio (70th largest holding). The investor owns 3.48% of the outstanding Alkermes plc stock. The first Alkermes plc trade was made in Q2 2013. Since then Jim Simons bought shares 22 more times and sold shares on nineteen occasions. The stake costed the investor $152 Million, netting the investor a gain of 10.0% so far.