The current institutional shareholding score of MainStreet Bancshares Inc is 7.00, ranking 71 out of 399 in the Banking Services industry. The latest institutional shareholding proportion is 71.91%, representing a quarter-over-quarter increase of 16.30%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 0.20% of shares outstanding, with 1.14% decrease in holdings.