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, Q2 2025
Institutional positions in MainStreet Bancshares, Inc. as of Jun 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
- 61
- +11 vs. Q1 2025
- Shares held
- 4.27M
- +576.9K (+15.6%) vs. Q1 2025
- Total value
- $80.6M
- +$19.0M (+30.7%) vs. Q1 2025
- New holders
- 18
- 18 more added
- Sold out
- 7
- 14 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding MainStreet Bancshares, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Federated Hermes, Inc. | 67 | $1.27K | 0.00% | +67 | New |
| SBI Securities Co., Ltd. | 82 | $1.55K | 0.00% | +30+57.7% | Added |
| FMR LLC | 115 | $2.17K | 0.00% | −6−5.0% | Reduced |
| Sterling Capital Management LLC | 181 | $3.42K | 0.00% | +181 | New |
| Amalgamated Bank | 240 | $5.00K | 0.00% | +240 | New |
| California State Teachers Retirement System | 439 | $8.30K | 0.00% | +439 | New |
| Toth Financial Advisory Corp | 534 | $10.1K | 0.00% | +2+0.4% | Added |
| Legal & General Group Plc | 636 | $12.0K | 0.00% | +636 | New |
| Raymond James Financial Inc | 704 | $13.3K | 0.00% | +704 | New |
| Ameritas Investment Partners, Inc. | 718 | $13.6K | 0.00% | +718 | New |
| First United Bank Trust | 790 | $14.9K | 0.01% | 00.0% | Unchanged |
| US Bancorp | 1,000 | $18.9K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 1,111 | $21.0K | 0.00% | +542+95.3% | Added |
| Police & Firemen's Retirement System of New Jersey | 1,763 | $33.3K | 0.00% | +1,763 | New |
| Citigroup Inc | 2,369 | $44.8K | 0.00% | −1,581−40.0% | Reduced |
| JPMorgan Chase & Co | 3,329 | $62.9K | 0.00% | +3,324+66,480.0% | Added |
| UBS Group AG | 3,793 | $71.7K | 0.00% | +3,793 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 3,844 | $72.7K | 0.00% | +3,844 | New |
| MetLife Investment Management | 4,421 | $83.6K | 0.00% | +4,421 | New |
| Wells Fargo & Company | 4,467 | $84.4K | 0.00% | +4,467 | New |
| New York State Common Retirement Fund | 5,400 | $102.1K | 0.00% | +5,400 | New |
| Hughes Financial Services, LLC | 5,440 | $107.2K | 0.02% | 00.0% | Unchanged |
| Bank of America Corp | 5,840 | $110.4K | 0.00% | +2,413+70.4% | Added |
| Spire Wealth Management | 6,562 | $124.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 6,709 | $126.8K | 0.00% | −6,079−47.5% | Reduced |
| Rhumbline Advisers | 6,794 | $128.4K | 0.00% | +6,794 | New |
| Royal Bank of Canada | 7,363 | $140.0K | 0.00% | +518+7.6% | Added |
| Caldwell Sutter Capital, Inc. | 8,818 | $166.7K | 0.08% | 00.0% | Unchanged |
| Provident Wealth Management, LLC | 10,932 | $206.6K | 0.07% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 12,063 | $228.0K | 0.00% | +1,436+13.5% | Added |
| Millennium Management LLC | 12,515 | $236.5K | 0.00% | −64,623−83.8% | Reduced |
| Atlantic Union Bankshares Corp | 12,600 | $238.1K | 0.01% | +12,600 | New |
| Two Sigma Investments, LP | 12,732 | $240.6K | 0.00% | −2,732−17.7% | Reduced |
| Forum Financial Management, LP | 13,439 | $254.0K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 14,266 | $270.0K | 0.02% | −272−1.9% | Reduced |
| ELCO Management Co., LLC | 14,659 | $277.1K | 0.15% | −5,670−27.9% | Reduced |
| Susquehanna International Group, LLP | 15,075 | $284.9K | 0.00% | −39,667−72.5% | Reduced |
| Two Sigma Advisers, LP | 18,300 | $345.9K | 0.00% | −1,000−5.2% | Reduced |
| Charles Schwab Investment Management Inc | 20,565 | $388.7K | 0.00% | +20,565 | New |
| Creative Planning | 21,000 | $396.9K | 0.00% | 00.0% | Unchanged |
| StoneX Group Inc. | 23,940 | $452.5K | 0.02% | +23,940 | New |
| Bank of New York Mellon Corp | 23,979 | $453.2K | 0.00% | +23,979 | New |
| Barclays PLC | 25,155 | $475.4K | 0.00% | +11,251+80.9% | Added |
| Renaissance Technologies LLC | 28,000 | $529.2K | 0.00% | +500+1.8% | Added |
| Morgan Stanley | 28,167 | $532.4K | 0.00% | +7,277+34.8% | Added |
| Mendon Capital Advisors Corp | 32,428 | $612.9K | 0.31% | −17,891−35.6% | Reduced |
| Empowered Funds, LLC | 34,219 | $646.7K | 0.01% | −110−0.3% | Reduced |
| Northern Trust Corp | 50,729 | $958.8K | 0.00% | +38,004+298.7% | Added |
| Bridgeway Capital Management, LLC | 57,199 | $1.08M | 0.03% | −110−0.2% | Reduced |
| State Street Corp | 67,185 | $1.27M | 0.00% | +44,940+202.0% | Added |
| Acadian Asset Management LLC | 77,186 | $1.46M | 0.00% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 117,223 | $2.22M | 0.00% | +18,863+19.2% | Added |
| Geode Capital Management, LLC | 153,516 | $2.90M | 0.00% | +86,303+128.4% | Added |
| First Manhattan Co | 210,353 | $3.98M | 0.01% | −34,224−14.0% | Reduced |
| BlackRock, Inc. | 298,730 | $5.65M | 0.00% | +237,701+389.5% | Added |
| Cresset Asset Management, LLC | 334,471 | $6.32M | 0.03% | −1,736−0.5% | Reduced |
| Fourthstone LLC | 338,085 | $6.39M | 1.25% | +304,886+918.4% | Added |
| Vanguard Group Inc | 380,470 | $7.19M | 0.00% | +43,371+12.9% | Added |
| Wellington Management Group LLP | 416,508 | $7.87M | 0.00% | 00.0% | Unchanged |
| Banc Funds Co LLC | 651,014 | $12.3M | 1.86% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 656,648 | $12.4M | 0.00% | +5,851+0.9% | Added |
| Cutler Capital Management, LLC | 0 | $0 | 0.00% | −86,297−100.0% | Sold out |
| Salzhauer Michael | 0 | $0 | 0.00% | −33,448−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −21,270−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −16,089−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −11,710−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −263−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −43−100.0% | Sold out |
| Sandy Spring Bank | – | – | – | – | Not filed |