Jim Simons's position in Tower Semiconductor Ltd. is currently worth $8.29 Million. That's 0.01% of their equity portfolio (1265th largest holding). The first Tower Semiconductor Ltd. trade was made in Q2 2013. Since then Jim Simons bought shares seventeen more times and sold shares on eighteen occasions. The stake costed the investor $3.34 Million, netting the investor a gain of 149% so far.