MainStreet Bancshares, Inc.
MNSB- Exchange
- Nasdaq
- Industry
- State Commercial Banks
- SEC CIK
- 0001693577
No open-market purchases or sales by MainStreet Bancshares, Inc. insiders were filed in the last 90 days; 96 institutions reported holding it in 13F filings for Q2 2026, worth $99.3M in total; no superinvestor holds it.
Other share classesMNSBP
13F holders, Q1 2025
Institutional positions in MainStreet Bancshares, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 51
- −2 vs. Q4 2024
- Shares held
- 3.70M
- −87.3K (−2.3%) vs. Q4 2024
- Total value
- $61.9M
- −$6.69M (−9.7%) vs. Q4 2024
- New holders
- 2
- 13 more added
- Sold out
- 4
- 23 more reduced
Compare with Q4 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MNSB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 96 | $99.3M |
| Q1 2026 | 84 | $93.1M |
| Q4 2025 | 75 | $96.7M |
| Q3 2025 | 71 | $95.5M |
| Q2 2025 | 61 | $80.6M |
| Q1 2025 | 51 | $61.9M |
| Q4 2024 | 53 | $68.6M |
| Q3 2024 | 53 | $69.6M |
| Q2 2024 | 66 | $70.5M |
| Q1 2024 | 65 | $78.2M |
| Q4 2023 | 64 | $104.0M |
| Q3 2023 | 63 | $79.1M |
| Q2 2023 | 59 | $85.5M |
| Q1 2023 | 53 | $78.7M |
| Q4 2022 | 53 | $92.5M |
| Q3 2022 | 45 | $74.6M |
| Q2 2022 | 47 | $76.1M |
| Q1 2022 | 46 | $82.8M |
| Q4 2021 | 46 | $84.6M |
| Q3 2021 | 41 | $75.1M |
| Q2 2021 | 45 | $73.3M |
| Q1 2021 | 49 | $74.2M |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding MainStreet Bancshares, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| JPMorgan Chase & Co | 5 | $84 | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 43 | $719 | 0.00% | −108−71.5% | Reduced |
| SBI Securities Co., Ltd. | 52 | $869 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 121 | $2.02K | 0.00% | −300−71.3% | Reduced |
| Tower Research Capital LLC (TRC) | 263 | $4.40K | 0.00% | +203+338.3% | Added |
| Toth Financial Advisory Corp | 532 | $8.89K | 0.00% | +3+0.6% | Added |
| BNP Paribas Arbitrage, SA | 569 | $9.51K | 0.00% | −200−26.0% | Reduced |
| First United Bank Trust | 790 | $13.2K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 1,000 | $16.7K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 3,427 | $57.3K | 0.00% | −995−22.5% | Reduced |
| Citigroup Inc | 3,950 | $66.0K | 0.00% | −133−3.3% | Reduced |
| Hughes Financial Services, LLC | 5,440 | $91.1K | 0.02% | +5,440 | New |
| Spire Wealth Management | 6,562 | $109.7K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 6,845 | $115.0K | 0.00% | −2,100−23.5% | Reduced |
| Caldwell Sutter Capital, Inc. | 8,818 | $147.4K | 0.07% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 10,627 | $177.7K | 0.00% | +10,627 | New |
| Provident Wealth Management, LLC | 10,932 | $182.8K | 0.06% | −3,622−24.9% | Reduced |
| Qube Research & Technologies Ltd | 11,710 | $195.8K | 0.00% | −13,584−53.7% | Reduced |
| Sandy Spring Bank | 12,600 | $210.7K | 0.01% | 00.0% | Unchanged |
| Northern Trust Corp | 12,725 | $212.8K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 12,788 | $213.8K | 0.00% | +12,158+1,929.8% | Added |
| Forum Financial Management, LP | 13,439 | $224.7K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 13,904 | $232.5K | 0.00% | −636−4.4% | Reduced |
| Gsa Capital Partners LLP | 14,538 | $243.0K | 0.02% | +3,373+30.2% | Added |
| Two Sigma Investments, LP | 15,464 | $258.6K | 0.00% | −324−2.1% | Reduced |
| Citadel Advisors LLC | 16,089 | $269.0K | 0.00% | −933−5.5% | Reduced |
| Two Sigma Advisers, LP | 19,300 | $322.7K | 0.00% | −300−1.5% | Reduced |
| ELCO Management Co., LLC | 20,329 | $339.9K | 0.19% | −1,124−5.2% | Reduced |
| Morgan Stanley | 20,890 | $349.3K | 0.00% | −2,083−9.1% | Reduced |
| Creative Planning | 21,000 | $351.1K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 21,270 | $355.6K | 0.00% | +5,313+33.3% | Added |
| State Street Corp | 22,245 | $371.9K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 27,500 | $459.8K | 0.00% | −4,800−14.9% | Reduced |
| Fourthstone LLC | 33,199 | $555.1K | 0.14% | −50,786−60.5% | Reduced |
| Salzhauer Michael | 33,448 | $559.3K | 0.34% | −8,547−20.4% | Reduced |
| Empowered Funds, LLC | 34,329 | $574.0K | 0.01% | +1,265+3.8% | Added |
| Mendon Capital Advisors Corp | 50,319 | $841.3K | 0.39% | −1,124−2.2% | Reduced |
| Susquehanna International Group, LLP | 54,742 | $915.3K | 0.00% | +4,557+9.1% | Added |
| Bridgeway Capital Management, LLC | 57,309 | $958.2K | 0.02% | +200.0% | Added |
| BlackRock, Inc. | 61,029 | $1.02M | 0.00% | −7,402−10.8% | Reduced |
| Geode Capital Management, LLC | 67,213 | $1.12M | 0.00% | +3,624+5.7% | Added |
| Millennium Management LLC | 77,138 | $1.29M | 0.00% | +18,790+32.2% | Added |
| Acadian Asset Management LLC | 77,186 | $1.29M | 0.00% | −788−1.0% | Reduced |
| Cutler Capital Management, LLC | 86,297 | $1.44M | 0.50% | −22,939−21.0% | Reduced |
| Dimensional Fund Advisors LP | 98,360 | $1.64M | 0.00% | +10,451+11.9% | Added |
| First Manhattan Co | 244,577 | $4.09M | 0.01% | −7,816−3.1% | Reduced |
| Cresset Asset Management, LLC | 336,207 | $5.62M | 0.03% | +16,337+5.1% | Added |
| Vanguard Group Inc | 337,099 | $5.64M | 0.00% | 00.0% | Unchanged |
| Wellington Management Group LLP | 416,508 | $6.96M | 0.00% | −12,062−2.8% | Reduced |
| Alliancebernstein L.P. | 650,797 | $10.9M | 0.00% | +2,000+0.3% | Added |
| Banc Funds Co LLC | 651,014 | $10.9M | 1.44% | 00.0% | Unchanged |
| StoneX Group Inc. | 0 | $0 | 0.00% | −23,940−100.0% | Sold out |
| Goldman Sachs Group Inc | 0 | $0 | 0.00% | −10,039−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −2,927−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −1,828−100.0% | Sold out |