Jim Simons acquired 151 Thousand Interactive Brokers Group shares worth $17.4 Million. That's 0.03% of their equity portfolio (665th largest holding). The first Interactive Brokers 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 $8.89 Million, netting the investor a gain of 96% so far.