Jim Simons's position in Comfort Systems USA is currently worth $4.09 Million. That's 0.01% of their equity portfolio (1478th largest holding). The first Comfort Systems USA trade was made in Q3 2013. Since then Jim Simons bought shares nineteen more times and sold shares on eighteen occasions. The stake costed the investor $3.01 Million, netting the investor a gain of 36% so far.