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