Chuck Royce acquired 353k Natural Gas Services Group shares worth $14.6M. That's 0.13% of their equity portfolio (254th largest holding). The investor owns 2.95% of the outstanding Natural Gas Services Group stock. The first Natural Gas Services Group trade was made in Q1 2013. Since then Chuck Royce bought shares eighteen more times and sold shares on 26 occasions. The stake costed the investor $6.16M, netting the investor a gain of 137% so far.