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, Q4 2024
Institutional positions in MainStreet Bancshares, Inc. as of Dec 31, 2024. 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
- 53
- 0 vs. Q3 2024
- Shares held
- 3.79M
- +19.2K (+0.5%) vs. Q3 2024
- Total value
- $68.6M
- −$971.4K (−1.4%) vs. Q3 2024
- New holders
- 3
- 16 more added
- Sold out
- 3
- 16 more reduced
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding MainStreet Bancshares, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Banc Funds Co LLC | 651,014 | $11.8M | 1.30% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 648,797 | $11.7M | 0.00% | 00.0% | Unchanged |
| Wellington Management Group LLP | 428,570 | $7.76M | 0.00% | 00.0% | Unchanged |
| Vanguard Group Inc | 337,099 | $6.10M | 0.00% | 00.0% | Unchanged |
| Cresset Asset Management, LLC | 319,870 | $5.79M | 0.03% | +1,736+0.5% | Added |
| First Manhattan Co | 252,393 | $4.57M | 0.01% | −3,185−1.2% | Reduced |
| Cutler Capital Management, LLC | 109,236 | $1.98M | 0.69% | −17,634−13.9% | Reduced |
| Dimensional Fund Advisors LP | 87,909 | $1.59M | 0.00% | +5,510+6.7% | Added |
| Fourthstone LLC | 83,985 | $1.52M | 0.30% | +5,869+7.5% | Added |
| Acadian Asset Management LLC | 77,974 | $1.41M | 0.00% | −491−0.6% | Reduced |
| BlackRock, Inc. | 68,431 | $1.24M | 0.00% | −8,839−11.4% | Reduced |
| Geode Capital Management, LLC | 63,589 | $1.15M | 0.00% | +619+1.0% | Added |
| Millennium Management LLC | 58,348 | $1.06M | 0.00% | −2,098−3.5% | Reduced |
| Bridgeway Capital Management, LLC | 57,289 | $1.04M | 0.02% | +517+0.9% | Added |
| Mendon Capital Advisors Corp | 51,443 | $931.1K | 0.53% | +29,657+136.1% | Added |
| Susquehanna International Group, LLP | 50,185 | $908.3K | 0.00% | +21,803+76.8% | Added |
| Salzhauer Michael | 41,995 | $760.1K | 0.39% | +4,213+11.2% | Added |
| Empowered Funds, LLC | 33,064 | $598.5K | 0.01% | +592+1.8% | Added |
| Renaissance Technologies LLC | 32,300 | $584.6K | 0.00% | −5,900−15.4% | Reduced |
| Qube Research & Technologies Ltd | 25,294 | $457.8K | 0.00% | +7,152+39.4% | Added |
| StoneX Group Inc. | 23,940 | $433.3K | 0.02% | +23,940 | New |
| Morgan Stanley | 22,973 | $415.8K | 0.00% | +3,605+18.6% | Added |
| State Street Corp | 22,245 | $402.6K | 0.00% | +1,018+4.8% | Added |
| ELCO Management Co., LLC | 21,453 | $388.3K | 0.20% | −333−1.5% | Reduced |
| Creative Planning | 21,000 | $380.1K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 19,600 | $354.8K | 0.00% | −2,600−11.7% | Reduced |
| Citadel Advisors LLC | 17,022 | $308.1K | 0.00% | −6,233−26.8% | Reduced |
| Jane Street Group, LLC | 15,957 | $288.8K | 0.00% | +2,196+16.0% | Added |
| Two Sigma Investments, LP | 15,788 | $285.8K | 0.00% | −5,982−27.5% | Reduced |
| Provident Wealth Management, LLC | 14,554 | $263.4K | 0.09% | 00.0% | Unchanged |
| Barclays PLC | 14,540 | $263.2K | 0.00% | −2,219−13.2% | Reduced |
| Forum Financial Management, LP | 13,439 | $243.2K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 12,725 | $230.3K | 0.00% | 00.0% | Unchanged |
| Sandy Spring Bank | 12,600 | $228.1K | 0.01% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 11,165 | $202.0K | 0.01% | −9,984−47.2% | Reduced |
| Goldman Sachs Group Inc | 10,039 | $181.7K | 0.00% | +10,039 | New |
| Royal Bank of Canada | 8,945 | $162.0K | 0.00% | 00.0% | Unchanged |
| Caldwell Sutter Capital, Inc. | 8,818 | $159.6K | 0.07% | 00.0% | Unchanged |
| Spire Wealth Management | 6,562 | $118.8K | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 4,422 | $80.0K | 0.00% | −719−14.0% | Reduced |
| Citigroup Inc | 4,083 | $73.9K | 0.00% | −1,771−30.3% | Reduced |
| Aster Capital Management (DIFC) Ltd | 2,927 | $53.0K | 0.02% | 00.0% | Unchanged |
| UBS Group AG | 1,828 | $33.1K | 0.00% | +1,779+3,630.6% | Added |
| US Bancorp | 1,000 | $18.1K | 0.00% | 00.0% | Unchanged |
| First United Bank Trust | 790 | $14.3K | 0.01% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 769 | $13.9K | 0.00% | +685+815.5% | Added |
| Advisor Group Holdings, Inc. | 630 | $11.4K | 0.00% | 00.0% | Unchanged |
| Toth Financial Advisory Corp | 529 | $9.57K | 0.00% | +3+0.6% | Added |
| FMR LLC | 421 | $7.62K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 151 | $2.73K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 60 | $1.09K | 0.00% | −74−55.2% | Reduced |
| SBI Securities Co., Ltd. | 52 | $941 | 0.00% | +52 | New |
| JPMorgan Chase & Co | 5 | $91 | 0.00% | −8,738−99.9% | Reduced |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −12,694−100.0% | Sold out |
| Black Maple Capital Management LP | 0 | $0 | 0.00% | −11,084−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |