The current institutional shareholding score of Graham Holdings Co is 7.00, ranking 1 out of 6 in the Schools, Colleges & Universities industry. The latest institutional shareholding proportion is 83.77%, representing a quarter-over-quarter increase of 0.45%. The largest institutional shareholder is Mason Hawkins, holding a total of 35.78K shares, representing 0.87% of shares outstanding, with 22.97% decrease in holdings.