The current institutional shareholding score of Aaon Inc is 10.00, ranking 1 out of 182 in the Machinery, Tools, Heavy Vehicles, Trains & Ships industry. The latest institutional shareholding proportion is 92.44%, representing a quarter-over-quarter increase of 5.87%. The largest institutional shareholder is ETHSX, holding a total of 521.93K shares, representing 1.08% of shares outstanding, with 281.90% increase in holdings.