MNSB key data
MainStreet Bancshares (Nasdaq: MNSB) has a market capitalization of $161.72M. Last close $23.80 (as of 2026-10-21); 52-week range $17.86 to $25.87. ORTEX data as of 2026-10-19: short interest is 3.58% of free float, 7.2 days to cover and the average cost to borrow is 1.68%.