Jim Simons's position in Electro-Sensors is currently worth $102k. That's 0.00% of their equity portfolio (2754th largest holding). The first Electro-Sensors trade was made in Q2 2013. Since then Jim Simons bought shares 29 more times and sold shares on 22 occasions. The stake costed the investor $54.8k, netting the investor a gain of 86% so far.