The current institutional shareholding score of Innospec Inc is 10.00, ranking 1 out of 68 in the Chemicals industry. The latest institutional shareholding proportion is 104.21%, representing a quarter-over-quarter increase of 3.39%. The largest institutional shareholder is Chuck Royce, holding a total of 229.19K shares, representing 1.06% of shares outstanding, with 0.09% decrease in holdings.