Jim Simons acquired 66.1k Interdigital shares worth $17.3M. That's 0.02% of their equity portfolio (712th largest holding). The first Interdigital trade was made in Q2 2013. Since then Jim Simons bought shares 22 more times and sold shares on 28 occasions. The stake costed the investor $16M, netting the investor a gain of 7.5% so far.