The current institutional shareholding score of PubMatic Inc is 7.00, ranking 140 out of 488 in the Software & IT Services industry. The latest institutional shareholding proportion is 81.30%, representing a quarter-over-quarter increase of 12.23%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 3.31% of shares outstanding, with 17.96% decrease in holdings.