Jim Simons acquired 225 Thousand SEI Investments shares worth $16.2 Million. That's 0.02% of their equity portfolio (708th largest holding). The first SEI Investments trade was made in Q2 2013. Since then Jim Simons bought shares twenty more times and sold shares on 21 occasions. The stake costed the investor $12.4 Million, netting the investor a gain of 31% so far.