The current institutional shareholding score of John B Sanfilippo & Son Inc is 10.00, ranking 1 out of 95 in the Food & Tobacco industry. The latest institutional shareholding proportion is 102.91%, representing a quarter-over-quarter increase of 11.49%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 1.59% of shares outstanding, with 22.00% decrease in holdings.