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, Q3 2025
Institutional positions in MainStreet Bancshares, Inc. as of Sep 30, 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
- 71
- +10 vs. Q2 2025
- Shares held
- 4.59M
- +322.5K (+7.6%) vs. Q2 2025
- Total value
- $95.5M
- +$14.9M (+18.5%) vs. Q2 2025
- New holders
- 14
- 23 more added
- Sold out
- 4
- 19 more reduced
Compare with Q2 2025: 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, Q3 2025
Shares, value and share of portfolio for each institution holding MainStreet Bancshares, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| IFP Advisors, Inc | 2 | $42 | 0.00% | +2 | New |
| EverSource Wealth Advisors, LLC | 3 | $62 | 0.00% | +3 | New |
| GAMMA Investing LLC | 28 | $583 | 0.00% | +28 | New |
| SRS Capital Advisors, Inc. | 43 | $895 | 0.00% | +43 | New |
| Essential Partners LLC | 60 | $1.25K | 0.00% | +60 | New |
| SBI Securities Co., Ltd. | 82 | $1.71K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 93 | $1.94K | 0.00% | −2,276−96.1% | Reduced |
| FMR LLC | 108 | $2.25K | 0.00% | −7−6.1% | Reduced |
| The PNC Financial Services Group, Inc. | 183 | $3.81K | 0.00% | +183 | New |
| CWM, LLC | 211 | $4.00K | 0.00% | +211 | New |
| Amalgamated Bank | 240 | $5.00K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 440 | $9.16K | 0.00% | +1+0.2% | Added |
| Sterling Capital Management LLC | 461 | $9.60K | 0.00% | +280+154.7% | Added |
| Toth Financial Advisory Corp | 537 | $11.2K | 0.00% | +3+0.6% | Added |
| Rockefeller Capital Management L.P. | 550 | $11.5K | 0.00% | +550 | New |
| Legal & General Group Plc | 636 | $13.2K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 694 | $14.5K | 0.00% | +627+935.8% | Added |
| Ameritas Investment Partners, Inc. | 718 | $15.0K | 0.00% | 00.0% | Unchanged |
| First United Bank Trust | 790 | $16.5K | 0.01% | 00.0% | Unchanged |
| US Bancorp | 1,000 | $20.8K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,064 | $22.2K | 0.00% | +1,064 | New |
| Royal Bank of Canada | 1,193 | $24.0K | 0.00% | −6,170−83.8% | Reduced |
| BNP Paribas Arbitrage, SA | 1,761 | $36.7K | 0.00% | +650+58.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 1,763 | $36.7K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 3,338 | $69.5K | 0.00% | −506−13.2% | Reduced |
| New York State Common Retirement Fund | 3,484 | $72.6K | 0.00% | −1,916−35.5% | Reduced |
| Russell Investments Group, Ltd. | 3,671 | $76.5K | 0.00% | +3,671 | New |
| MetLife Investment Management | 4,421 | $92.1K | 0.00% | 00.0% | Unchanged |
| Hughes Financial Services, LLC | 5,440 | $98.7K | 0.02% | 00.0% | Unchanged |
| Bank of America Corp | 4,840 | $100.8K | 0.00% | −1,000−17.1% | Reduced |
| Deutsche Bank AG | 5,026 | $104.7K | 0.00% | +5,026 | New |
| Wells Fargo & Company | 5,336 | $111.1K | 0.00% | +869+19.5% | Added |
| Spire Wealth Management | 6,562 | $136.7K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 6,748 | $140.6K | 0.00% | +3,419+102.7% | Added |
| Advisor Group Holdings, Inc. | 6,709 | $140.9K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 7,198 | $149.9K | 0.00% | +404+5.9% | Added |
| Caldwell Sutter Capital, Inc. | 8,818 | $183.7K | 0.08% | 00.0% | Unchanged |
| Two Sigma Investments, LP | 10,072 | $209.8K | 0.00% | −2,660−20.9% | Reduced |
| Provident Wealth Management, LLC | 10,932 | $227.7K | 0.07% | 00.0% | Unchanged |
| ELCO Management Co., LLC | 11,462 | $238.8K | 0.12% | −3,197−21.8% | Reduced |
| Gsa Capital Partners LLP | 11,888 | $248.0K | 0.02% | −2,378−16.7% | Reduced |
| HighTower Advisors, LLC | 12,301 | $256.2K | 0.00% | +238+2.0% | Added |
| Marshall Wace, LLP | 12,454 | $259.4K | 0.00% | +12,454 | New |
| Atlantic Union Bankshares Corp | 12,600 | $262.5K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 17,500 | $364.5K | 0.00% | −800−4.4% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 17,904 | $372.9K | 0.00% | +17,904 | New |
| Charles Schwab Investment Management Inc | 20,565 | $428.4K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 22,169 | $461.8K | 0.00% | +1,169+5.6% | Added |
| Barclays PLC | 22,341 | $465.4K | 0.00% | −2,814−11.2% | Reduced |
| Bank of New York Mellon Corp | 24,337 | $506.9K | 0.00% | +358+1.5% | Added |
| Morgan Stanley | 25,399 | $529.1K | 0.00% | −2,768−9.8% | Reduced |
| Goldman Sachs Group Inc | 26,640 | $554.9K | 0.00% | +26,640 | New |
| Empowered Funds, LLC | 28,607 | $595.9K | 0.01% | −5,612−16.4% | Reduced |
| Millennium Management LLC | 32,052 | $667.6K | 0.00% | +19,537+156.1% | Added |
| Mendon Capital Advisors Corp | 38,526 | $751.6K | 0.34% | +6,098+18.8% | Added |
| Renaissance Technologies LLC | 49,388 | $1.03M | 0.00% | +21,388+76.4% | Added |
| Bridgeway Capital Management, LLC | 51,587 | $1.07M | 0.02% | −5,612−9.8% | Reduced |
| Northern Trust Corp | 53,591 | $1.12M | 0.00% | +2,862+5.6% | Added |
| State Street Corp | 72,980 | $1.52M | 0.00% | +5,795+8.6% | Added |
| Acadian Asset Management LLC | 85,909 | $1.79M | 0.00% | +8,723+11.3% | Added |
| Dimensional Fund Advisors LP | 119,127 | $2.48M | 0.00% | +1,904+1.6% | Added |
| UBS Group AG | 134,821 | $2.81M | 0.00% | +131,028+3,454.5% | Added |
| Geode Capital Management, LLC | 152,772 | $3.18M | 0.00% | −744−0.5% | Reduced |
| First Manhattan Co | 209,478 | $4.36M | 0.01% | −875−0.4% | Reduced |
| BlackRock, Inc. | 333,223 | $6.94M | 0.00% | +34,493+11.5% | Added |
| Cresset Asset Management, LLC | 335,723 | $6.99M | 0.03% | +1,252+0.4% | Added |
| Vanguard Group Inc | 380,292 | $7.92M | 0.00% | −1780.0% | Reduced |
| Wellington Management Group LLP | 411,023 | $8.56M | 0.00% | −5,485−1.3% | Reduced |
| Fourthstone LLC | 509,933 | $10.6M | 1.90% | +171,848+50.8% | Added |
| Banc Funds Co LLC | 573,373 | $11.9M | 2.09% | −77,641−11.9% | Reduced |
| Alliancebernstein L.P. | 674,163 | $14.0M | 0.00% | +17,515+2.7% | Added |
| StoneX Group Inc. | 0 | $0 | 0.00% | −23,940−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −15,075−100.0% | Sold out |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −13,439−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −704−100.0% | Sold out |