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 2025
Institutional positions in MainStreet Bancshares, Inc. as of Dec 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
- 75
- +4 vs. Q3 2025
- Shares held
- 4.75M
- +159.9K (+3.5%) vs. Q3 2025
- Total value
- $96.7M
- +$1.16M (+1.2%) vs. Q3 2025
- New holders
- 11
- 25 more added
- Sold out
- 7
- 25 more reduced
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding MainStreet Bancshares, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rothschild Investment LLC | 1 | $20 | 0.00% | +1 | New |
| IFP Advisors, Inc | 3 | $61 | 0.00% | +1+50.0% | Added |
| Essential Partners LLC | 4 | $81 | 0.00% | −56−93.3% | Reduced |
| MAI Capital Management | 5 | $102 | 0.00% | +5 | New |
| The PNC Financial Services Group, Inc. | 16 | $326 | 0.00% | −167−91.3% | Reduced |
| SBI Securities Co., Ltd. | 83 | $1.69K | 0.00% | +1+1.2% | Added |
| Farther Finance Advisors, LLC | 94 | $1.91K | 0.00% | +94 | New |
| CWM, LLC | 109 | $2.00K | 0.00% | −102−48.3% | Reduced |
| Citigroup Inc | 160 | $3.26K | 0.00% | +67+72.0% | Added |
| Amalgamated Bank | 221 | $4.00K | 0.00% | −19−7.9% | Reduced |
| Sterling Capital Management LLC | 386 | $7.86K | 0.00% | −75−16.3% | Reduced |
| California State Teachers Retirement System | 432 | $8.80K | 0.00% | −8−1.8% | Reduced |
| FMR LLC | 458 | $9.32K | 0.00% | +350+324.1% | Added |
| Toth Financial Advisory Corp | 540 | $11.0K | 0.00% | +3+0.6% | Added |
| Tower Research Capital LLC (TRC) | 552 | $11.2K | 0.00% | −512−48.1% | Reduced |
| Rockefeller Capital Management L.P. | 553 | $11.3K | 0.00% | +3+0.5% | Added |
| State of Alaska, Department of Revenue | 596 | $12.0K | 0.00% | +596 | New |
| Legal & General Group Plc | 636 | $12.9K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 667 | $13.6K | 0.00% | −3,004−81.8% | Reduced |
| Ameritas Investment Partners, Inc. | 718 | $14.6K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 747 | $15.2K | 0.00% | +53+7.6% | Added |
| First United Bank Trust | 790 | $16.1K | 0.01% | 00.0% | Unchanged |
| US Bancorp | 1,000 | $20.4K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 1,050 | $21.4K | 0.00% | +1,050 | New |
| Royal Bank of Canada | 1,209 | $24.0K | 0.00% | +16+1.3% | Added |
| BNP Paribas Arbitrage, SA | 1,710 | $34.8K | 0.00% | −51−2.9% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 1,763 | $35.9K | 0.00% | 00.0% | Unchanged |
| Kestra Advisory Services, LLC | 1,990 | $40.5K | 0.00% | +1,990 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 3,289 | $67.0K | 0.00% | −49−1.5% | Reduced |
| New York State Common Retirement Fund | 3,484 | $70.9K | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 4,079 | $83.0K | 0.00% | −342−7.7% | Reduced |
| JPMorgan Chase & Co | 4,781 | $97.3K | 0.00% | −1,967−29.1% | Reduced |
| Deutsche Bank AG | 5,026 | $102.3K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 5,256 | $107.0K | 0.00% | −1,942−27.0% | Reduced |
| Hughes Financial Services, LLC | 5,440 | $110.8K | 0.02% | 00.0% | Unchanged |
| Spire Wealth Management | 6,562 | $133.6K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 6,709 | $136.6K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 7,877 | $160.4K | 0.00% | +2,541+47.6% | Added |
| Bank of America Corp | 8,110 | $165.1K | 0.00% | +3,270+67.6% | Added |
| Caldwell Sutter Capital, Inc. | 8,818 | $179.5K | 0.08% | 00.0% | Unchanged |
| Provident Wealth Management, LLC | 10,932 | $222.6K | 0.07% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 11,364 | $231.4K | 0.00% | −15,276−57.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 11,464 | $233.4K | 0.00% | +11,464 | New |
| Trexquant Investment LP | 11,751 | $239.3K | 0.00% | +11,751 | New |
| HighTower Advisors, LLC | 12,302 | $250.5K | 0.00% | +10.0% | Added |
| Atlantic Union Bankshares Corp | 12,600 | $256.5K | 0.00% | 00.0% | Unchanged |
| Daytona Street Capital LLC | 18,000 | $366.5K | 0.30% | +18,000 | New |
| Bank of New York Mellon Corp | 18,039 | $367.3K | 0.00% | −6,298−25.9% | Reduced |
| Charles Schwab Investment Management Inc | 20,565 | $418.7K | 0.00% | 00.0% | Unchanged |
| Creative Planning | 22,100 | $450.0K | 0.00% | −69−0.3% | Reduced |
| ELCO Management Co., LLC | 22,312 | $454.3K | 0.29% | +10,850+94.7% | Added |
| Barclays PLC | 26,048 | $530.3K | 0.00% | +3,707+16.6% | Added |
| Morgan Stanley | 26,465 | $538.8K | 0.00% | +1,066+4.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 26,971 | $549.1K | 0.00% | +9,067+50.6% | Added |
| Empowered Funds, LLC | 31,362 | $638.5K | 0.01% | +2,755+9.6% | Added |
| Squarepoint Ops LLC | 34,424 | $700.9K | 0.00% | +34,424 | New |
| Citadel Advisors LLC | 39,288 | $799.9K | 0.00% | +39,288 | New |
| Marshall Wace, LLP | 44,287 | $901.7K | 0.00% | +31,833+255.6% | Added |
| Mendon Capital Advisors Corp | 47,312 | $963.3K | 0.38% | +8,786+22.8% | Added |
| Northern Trust Corp | 48,488 | $987.2K | 0.00% | −5,103−9.5% | Reduced |
| Renaissance Technologies LLC | 49,000 | $997.6K | 0.00% | −388−0.8% | Reduced |
| Bridgeway Capital Management, LLC | 60,742 | $1.24M | 0.03% | +9,155+17.7% | Added |
| State Street Corp | 73,562 | $1.50M | 0.00% | +582+0.8% | Added |
| Acadian Asset Management LLC | 97,034 | $1.97M | 0.00% | +11,125+12.9% | Added |
| UBS Group AG | 113,676 | $2.31M | 0.00% | −21,145−15.7% | Reduced |
| Dimensional Fund Advisors LP | 138,351 | $2.82M | 0.00% | +19,224+16.1% | Added |
| Geode Capital Management, LLC | 149,969 | $3.05M | 0.00% | −2,803−1.8% | Reduced |
| First Manhattan Co | 188,108 | $3.83M | 0.01% | −21,370−10.2% | Reduced |
| Cresset Asset Management, LLC | 333,136 | $6.78M | 0.03% | −2,587−0.8% | Reduced |
| BlackRock, Inc. | 350,338 | $7.13M | 0.00% | +17,115+5.1% | Added |
| Wellington Management Group LLP | 359,411 | $7.32M | 0.00% | −51,612−12.6% | Reduced |
| Vanguard Group Inc | 379,278 | $7.72M | 0.00% | −1,014−0.3% | Reduced |
| Banc Funds Co LLC | 421,981 | $8.59M | 1.70% | −151,392−26.4% | Reduced |
| Alliancebernstein L.P. | 684,945 | $13.9M | 0.00% | +10,782+1.6% | Added |
| Fourthstone LLC | 767,792 | $15.6M | 2.93% | +257,859+50.6% | Added |
| Millennium Management LLC | 0 | $0 | 0.00% | −32,052−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −17,500−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −11,888−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −10,072−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −43−100.0% | Sold out |
| GAMMA Investing LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |