The current institutional shareholding score of Winmark Corp is 7.00, ranking 47 out of 93 in the Specialty Retailers industry. The latest institutional shareholding proportion is 85.42%, representing a quarter-over-quarter decrease of 5.81%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 5.75% of shares outstanding, with 0.08% decrease in holdings.