MainStreet Bancshares Ownership | Who Owns MainStreet Bancshares?
MainStreet Bancshares Ownership Summary
MainStreet Bancshares is owned by 55.39% institutional investors, 16.34% insiders, and 28.27% retail investors. Alliancebernstein is the largest institutional shareholder, holding 7.25% of MNSB shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.05% of its assets in MainStreet Bancshares shares.
MNSB Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | MainStreet Bancshares | 55.39% | 16.34% | 28.27% |
| Sector | Financial Services Stocks | 746.79% | 13.83% | -660.62% |
| Industry | Regional Banks Stocks | 38.28% | 12.80% | 48.93% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Alliancebernstein | 554.72K | 7.25% | $11.29M |
| Banc funds | 530.94K | 6.94% | $11.79M |
| Fourthstone | 384.80K | 5.03% | $8.54M |
| Vanguard group | 379.28K | 4.96% | $7.72M |
| Wellington management group llp | 352.71K | 4.61% | $7.83M |
| Blackrock funding, inc. /de | 347.61K | 4.54% | $7.72M |
| First manhattan co. llc. | 188.11K | 2.46% | $4.18M |
| Dimensional fund advisors lp | 166.63K | 2.18% | $3.70M |
| Geode capital management | 147.17K | 1.92% | $3.27M |
| Acadian asset management | 133.98K | 1.75% | $2.97M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Banc funds | 530.94K | 2.19% | $11.79M |
| Fourthstone | 384.80K | 1.45% | $8.54M |
| Mendon capital advisors | 47.31K | 0.41% | $1.05M |
| Elco management | 22.31K | 0.24% | $495.33K |
| Caldwell sutter capital | 8.82K | 0.08% | $195.76K |
| Bridgeway capital management | 63.78K | 0.03% | $1.42M |
| Hughes financial services | 5.44K | 0.02% | $120.77K |
| First manhattan co. llc. | 188.11K | 0.01% | $4.18M |
| Sandy spring bank | 12.60K | 0.01% | $228.06K |
| Cresset asset management | 72.00K | 0.01% | $1.60M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Banc funds | 530.94K | 2.19% | 108.96K |
| Marshall wace, llp | 106.22K | 0.00% | 61.94K |
| American century companies | 52.54K | 0.00% | 52.54K |
| Vanguard fiduciary trust | 38.95K | 0.00% | 38.95K |
| Acadian asset management | 133.98K | 0.00% | 36.94K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fourthstone | 384.80K | 1.45% | -382.99K |
| Blackrock | 69.14K | - | -316.63K |
| Cresset asset management | 72.00K | 0.01% | -261.14K |
| Elizabeth park capital advisors | - | - | -145.35K |
| Alliancebernstein | 554.72K | 0.00% | -130.22K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| American century companies | 52.54K | 0.00% | 52.54K | $1.17M |
| Vanguard fiduciary trust | 38.95K | 0.00% | 38.95K | $864.71K |
| Xtx topco | 10.11K | 0.00% | 10.11K | $224.44K |
| Nuveen | 9.16K | 0.00% | 9.16K | $203.37K |
| Cubist systematic strategies | 5.45K | 0.00% | 5.45K | $96.63K |
Sold Out
| Holder | Change |
|---|---|
| Eversource wealth advisors | -3.00 |
| Avion wealth | -28.00 |
| Ashton thomas private wealth | -55.00 |
| Covestor | -115.00 |
| Amalgamated bank | -221.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 81 | 9.46% | 4,238,814 | -10.75% | 55 | 1.41% | 39 | 8.33% | 22 | -8.33% |
| Dec 31, 2025 | 18 | -74.29% | 587,929 | -87.19% | 7 | 0.22% | 7 | -81.08% | 5 | -72.22% |
| Sep 30, 2025 | 24 | -58.62% | 520,766 | -85.46% | 6 | 0.31% | 10 | -69.70% | 5 | -64.29% |
| Jun 30, 2025 | 61 | 19.61% | 4,266,878 | 15.24% | 55 | 2.36% | 36 | 140.00% | 14 | -39.13% |
| Mar 31, 2025 | 3 | -94.34% | 119,408 | -96.85% | 1 | 0.06% | 2 | -89.47% | - | -100.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 235.57K | 3.05% | - |
| Vanguard Total Stock Mkt Idx Inv | 192.05K | 2.70% | -37.78K |
| iShares Russell 2000 ETF | 173.40K | 2.44% | 1.02K |
| Avantis US Small Cap Value ETF | 88.07K | 1.24% | 225.00 |
| iShares Russell 2000 Value ETF | 67.82K | 0.95% | -468.00 |
| Fidelity Small Cap Index | 66.86K | 0.94% | 536.00 |
| Vanguard Institutional Extnd Mkt Idx Tr | 63.12K | 0.89% | - |
| DFA US Small Cap Value I | 48.69K | 0.68% | 1.30K |
| BSF Systematic US Eq Abs Ret A2 USD | 46.72K | 0.66% | - |
| EA Bridgeway Omni Small-Cap Value ETF | 37.17K | 0.52% | -99.00 |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jun 04, 2026 | Vari Richard Alexander | Chief Financial Officer | Sell | $104.40K |
| Dec 09, 2025 | CHMELIK THOMAS J | CFO, MainStreet Bancshares Inc | Sell | $36.10K |
| Dec 09, 2025 | CHMELIK THOMAS J | CFO, MainStreet Bancshares Inc | Sell | $109.31K |
| Dec 08, 2025 | CHMELIK THOMAS J | CFO, MainStreet Bancshares Inc | Sell | $224.02K |
| Dec 08, 2025 | CHMELIK THOMAS J | CFO, MainStreet Bancshares Inc | Sell | $245.90K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | - |
| 2026 Q2 | - | 1 |
| 2026 Q1 | - | - |
| 2025 Q4 | 5 | 6 |
| 2025 Q3 | 1 | - |
MNSB Ownership FAQ
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