The current institutional shareholding score of Tennant Co is 10.00, ranking 1 out of 181 in the Machinery, Tools, Heavy Vehicles, Trains & Ships industry. The latest institutional shareholding proportion is 118.86%, representing a quarter-over-quarter increase of 19.45%. The largest institutional shareholder is Mairs and Power, holding a total of 613.99K shares, representing 4.72% of shares outstanding, with 4.60% decrease in holdings.