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 2021
Institutional positions in MainStreet Bancshares, Inc. as of Dec 31, 2021. 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
- 46
- +5 vs. Q3 2021
- Shares held
- 3.44M
- +311.5K (+9.9%) vs. Q3 2021
- Total value
- $84.6M
- +$9.56M (+12.7%) vs. Q3 2021
- New holders
- 8
- 16 more added
- Sold out
- 3
- 10 more reduced
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding MainStreet Bancshares, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Banc Funds Co LLC | 593,930 | $14.6M | 1.10% | −42,365−6.7% | Reduced |
| EJF Capital LLC | 560,887 | $13.8M | 1.23% | −2,119−0.4% | Reduced |
| Vanguard Group Inc | 318,587 | $7.83M | 0.00% | −20,248−6.0% | Reduced |
| Alliancebernstein L.P. | 305,554 | $7.51M | 0.00% | +16,514+5.7% | Added |
| First Manhattan Co | 280,039 | $6.89M | 0.02% | +18,650+7.1% | Added |
| Wellington Management Group LLP | 211,797 | $5.21M | 0.00% | −79,202−27.2% | Reduced |
| Jacobs Asset Management, LLC | 204,718 | $5.03M | 2.29% | +129,360+171.7% | Added |
| Fourthstone LLC | 169,971 | $4.18M | 1.57% | +73,479+76.2% | Added |
| Mendon Capital Advisors Corp | 75,000 | $1.84M | 0.53% | +75,000 | New |
| JCSD Capital, LLC | 66,937 | $1.65M | 1.62% | +66,937 | New |
| Cutler Capital Management, LLC | 52,500 | $1.29M | 0.47% | +2,500+5.0% | Added |
| Dimensional Fund Advisors LP | 49,455 | $1.22M | 0.00% | +920+1.9% | Added |
| Geode Capital Management, LLC | 49,394 | $1.21M | 0.00% | −60.0% | Reduced |
| Kennedy Capital Management, Inc. | 42,731 | $1.05M | 0.02% | +160+0.4% | Added |
| Millennium Management LLC | 40,537 | $997.0K | 0.00% | +1,730+4.5% | Added |
| Salzhauer Michael | 40,062 | $985.0K | 0.37% | +1,252+3.2% | Added |
| Renaissance Technologies LLC | 39,934 | $982.0K | 0.00% | +8,534+27.2% | Added |
| Morgan Stanley | 30,169 | $742.0K | 0.00% | −222−0.7% | Reduced |
| BHZ Capital Management, LP | 29,583 | $727.0K | 0.29% | +3,434+13.1% | Added |
| Russell Investments Group, Ltd. | 23,568 | $579.0K | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 23,330 | $574.0K | 0.00% | +743+3.3% | Added |
| Susquehanna International Group, LLP | 22,631 | $556.0K | 0.00% | +22,631 | New |
| Creative Planning | 21,000 | $516.0K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 20,447 | $501.0K | 0.00% | +5,147+33.6% | Added |
| Janney Montgomery Scott LLC | 17,714 | $436.0K | 0.00% | +17,714 | New |
| State Street Corp | 17,227 | $424.0K | 0.00% | 00.0% | Unchanged |
| Cresset Asset Management, LLC | 14,763 | $363.0K | 0.00% | +34+0.2% | Added |
| Ergoteles LLC | 14,047 | $345.0K | 0.01% | −10,888−43.7% | Reduced |
| Forum Financial Management, LP | 13,439 | $330.0K | 0.02% | +13,439 | New |
| Sandy Spring Bank | 13,125 | $323.0K | 0.02% | 00.0% | Unchanged |
| Northern Trust Corp | 11,061 | $272.0K | 0.00% | +11,061 | New |
| Campbell Wealth Management | 10,682 | $263.0K | 0.03% | 00.0% | Unchanged |
| Eidelman Virant Capital | 10,000 | $246.0K | 0.09% | 00.0% | Unchanged |
| Greenwich Investment Management, Inc. | 9,476 | $233.0K | 0.16% | +9,476 | New |
| O'Shaughnessy Asset Management, LLC | 8,576 | $211.0K | 0.00% | −5,419−38.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 8,357 | $205.0K | 0.00% | +8,357 | New |
| Toth Financial Advisory Corp | 7,444 | $183.0K | 0.02% | 00.0% | Unchanged |
| Spire Wealth Management | 6,562 | $161.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 4,140 | $102.0K | 0.00% | +640+18.3% | Added |
| US Bancorp | 2,000 | $49.0K | 0.00% | −510−20.3% | Reduced |
| Royal Bank of Canada | 525 | $13.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 145 | $4.00K | 0.00% | +57+64.8% | Added |
| Bank of America Corp | 126 | $3.00K | 0.00% | −108−46.2% | Reduced |
| BNP Paribas Arbitrage, SA | 57 | $1.40K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 38 | $1.00K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 11 | $0 | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −13,656−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −858−100.0% | Sold out |
| HC Financial Advisors Inc | 0 | $0 | 0.00% | −675−100.0% | Sold out |