The current institutional shareholding score of XBiotech Inc is 3.00, ranking 193 out of 389 in the Biotechnology & Medical Research industry. The latest institutional shareholding proportion is 12.25%, representing a quarter-over-quarter increase of 42.58%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 0.07% of shares outstanding, with 4.89% decrease in holdings.