The current institutional shareholding score of Barrett Business Services Inc is 10.00, ranking 1 out of 161 in the Professional & Commercial Services industry. The latest institutional shareholding proportion is 91.13%, representing a quarter-over-quarter decrease of 1.87%. The largest institutional shareholder is Chuck Royce, holding a total of 1.26M shares, representing 5.59% of shares outstanding, with 0.00% decrease in holdings.