The current institutional shareholding score of Patterson-UTI Energy Inc is 10.00, ranking 1 out of 88 in the Oil & Gas Related Equipment and Services industry. The latest institutional shareholding proportion is 122.95%, representing a quarter-over-quarter increase of 8.90%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 1.09% of shares outstanding, with 0.24% increase in holdings.