Chuck Royce acquired 323 Thousand Natural Gas Services Group shares worth $7.67 Million. That's 0.07% of their equity portfolio (376th largest holding). The investor owns 2.58% 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 sixteen more times and sold shares on 21 occasions. The stake costed the investor $5.43 Million, netting the investor a gain of 41% so far.