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Filing Flows › MainStreet Bancshares (MNSB) › Who owns the stock

Who owns MainStreet Bancshares (MNSB) stock

90 funds reported MainStreet Bancshares (MNSB) shares in their latest 13F filings, worth $105M in all. The largest holder is Banc Funds Co LLC ($13.5M). Last quarter 49 funds added to their stakes and 22 cut them.

Largest holders of MNSB (13F)Largest holders of MNSB (13F)Banc Funds Co LLC$13.5MBlackRock$10.0MAlliancebernstein L.P.$9.3MWellington Management Group LLP$8.3MVanguard Group$7.7MVanguard Capital Management LLC$6.5MDimensional Fund Advisors LP$5.1MAcadian Asset Management LLC$4.5MFirst Manhattan Co. LLC.$4.0MGeode Capital Management, LLC$3.8M

Largest holders (13F)

FundSharesValueChangeQuarter
Banc Funds Co LLC545,679$13.5Mincrease2026-06-30
BlackRock404,037$10.0Mincrease2026-06-30
Alliancebernstein L.P.418,393$9.3Mdecrease2026-06-30
Wellington Management Group LLP336,961$8.3Mdecrease2026-06-30
Vanguard Group379,278$7.7Mdecrease2025-12-31
Vanguard Capital Management LLC262,466$6.5Mdecrease2026-06-30
Dimensional Fund Advisors LP205,014$5.1Mincrease2026-06-30
Acadian Asset Management LLC183,245$4.5Mincrease2026-06-30
First Manhattan Co. LLC.161,731$4.0Mdecrease2026-06-30
Geode Capital Management, LLC152,196$3.8Mincrease2026-06-30
Marshall Wace, LLP120,194$3.0Mincrease2026-06-30
State Street109,465$2.7Mincrease2026-06-30
American Century Companies101,604$2.5Mincrease2026-06-30
Bridgeway Capital Management, LLC66,551$1.6Mincrease2026-06-30
Cresset Asset Management, LLC59,040$1.5Mdecrease2026-06-30

MainStreet Bancshares' latest quarter

MainStreet Bancshares, Q2 2026: revenue $19.1M (-46% year over year), operating margin 31.5%, net earnings $4.7M, operating cash flow $4.9M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most MNSB stock?

By the latest 13F filings: Banc Funds Co LLC ($13.5M); BlackRock ($10.0M); Alliancebernstein L.P. ($9.3M); Wellington Management Group LLP ($8.3M); Vanguard Group ($7.7M).

What is the short interest in MNSB?

180,035 shares were sold short at the 2026-10-15 settlement, -3.19% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.