The current institutional shareholding score of Natural Gas Services Group Inc is 10.00, ranking 1 out of 100 in the Oil & Gas Related Equipment and Services industry. The latest institutional shareholding proportion is 90.05%, representing a quarter-over-quarter decrease of 0.71%. The largest institutional shareholder is Chuck Royce, holding a total of 324.86K shares, representing 2.80% of shares outstanding, with 0.16% decrease in holdings.