The current institutional shareholding score of ACCO Brands Corp is 7.00, ranking 75 out of 161 in the Professional & Commercial Services industry. The latest institutional shareholding proportion is 82.71%, representing a quarter-over-quarter decrease of 13.75%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 0.97% of shares outstanding, with 0.01% increase in holdings.