Jim Simons acquired 105 Thousand Affiliated Managers Group shares worth $17.2 Million. That's 0.03% of their equity portfolio (676th largest holding). The first Affiliated Managers Group trade was made in Q2 2013. Since then Jim Simons bought shares seventeen more times and sold shares on nineteen occasions. The stake costed the investor $14.8 Million, netting the investor a gain of 16% so far.