Jim Simons acquired 97.6k Interdigital shares worth $28.1M. That's 0.04% of their equity portfolio (581st largest holding). The first Interdigital trade was made in Q2 2013. Since then Jim Simons bought shares 21 more times and sold shares on 26 occasions. The stake costed the investor $20.5M, netting the investor a gain of 37% so far.