Mainstreet BancsharesMNSB
13F holders, Q3 2024 (September 30)At the end of Q3 2024, 53 institutions reported holding Mainstreet Bancshares Inc. (MNSB) in their 13F filings, down 13 from Q2 2024. 2 opened new positions and 16 sold out. The largest holders were Banc Funds Co. LLC ($12.0M), Alliancebernstein L.P. ($12.0M) and Wellington Management Group LLP ($7.9M). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Mainstreet Bancshares Inc.
- CUSIP
- 56064Y100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $1.6M |
| Exits | 16 | $4.6M |
All 13F filers, Q2 2024 → Q3 2024: 209,862 shares bought and 404,174 shares sold, net −194,312 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 53 holders
| Banc Funds Co. LLC | 1.30% | No change | 651,014 | $12.0M |
| Alliancebernstein L.P. | 0.00% | Add +1.8% | 648,797 | $12.0M |
| Wellington Management Group LLP | 0.00% | No change | 428,570 | $7.9M |
| Vanguard Group Inc. | 0.00% | No change | 337,099 | $6.2M |
| Cresset Asset Management, LLC | 0.02% | Add +3.2% | 318,134 | $5.9M |
| First Manhattan Co. Llc. | 0.01% | Reduce -0.6% | 255,578 | $4.7M |
| Cutler Capital Management, LLC | 1.02% | No change | 126,870 | $2.3M |
| Dimensional Fund Advisors LP | 0.00% | Add +23.0% | 82,399 | $1.5M |
| Acadian Asset Management LLC | 0.00% | No change | 78,465 | $1.4M |
| Fourthstone LLC | 0.32% | New | 78,116 | $1.4M |
| BlackRock, Inc. | 0.00% | — | 77,270 | $1.4M |
| Geode Capital Management, LLC | 0.00% | Add +1.3% | 62,970 | $1.2M |
| Millennium Management | 0.00% | Reduce -51.9% | 60,446 | $1.1M |
| Bridgeway Capital Management, LLC | 0.02% | Reduce -24.9% | 56,772 | $1.0M |
| Renaissance Technologies | 0.00% | Add +43.1% | 38,200 | $705K |
| Salzhauer Michael | 0.44% | No change | 37,782 | $697K |
| Empowered Funds, LLC | 0.01% | Reduce -17.9% | 32,472 | $599K |
| Susquehanna International Group, LLP | 0.00% | Add +4.6% | 28,382 | $524K |
| Citadel Advisors | 0.00% | Add +63.8% | 23,255 | $429K |
| Two Sigma Advisers, LP | 0.00% | Add +44.2% | 22,200 | $410K |
| Mendon Capital Advisors Corp. | 0.26% | Add +18.6% | 21,786 | $402K |
| ELCO Management Co., LLC | 0.22% | Add +18.6% | 21,786 | $402K |
| Two Sigma Investments, LP | 0.00% | Add +46.1% | 21,770 | $402K |
| State Street Corp. | 0.00% | No change | 21,227 | $392K |
| Gsa Capital Partners LLP | 0.03% | Add +53.1% | 21,149 | $390K |
| Creative Planning | 0.00% | No change | 21,000 | $387K |
| Morgan Stanley | 0.00% | Reduce -12.1% | 19,368 | $357K |
| Qube Research & Technologies Ltd | 0.00% | Add +34.6% | 18,142 | $335K |
| Barclays PLC | 0.00% | Add +34.0% | 16,759 | $309K |
| Provident Wealth Management, LLC | 0.09% | No change | 14,554 | $269K |
| Jane Street Group, LLC | 0.00% | Reduce -6.0% | 13,761 | $254K |
| Forum Financial Management, LP | 0.00% | No change | 13,439 | $248K |
| Northern Trust Corp. | 0.00% | Reduce -76.1% | 12,725 | $235K |
| Squarepoint Ops LLC | 0.00% | Add +21.3% | 12,694 | $234K |
| Sandy Spring Bank | 0.01% | No change | 12,600 | $232K |
| Black Maple Capital Management LP | 0.15% | New | 11,084 | $205K |
| Royal Bank of Canada | 0.00% | Add +1600.6% | 8,945 | $165K |
| Caldwell Sutter Capital, Inc. | 0.08% | No change | 8,818 | $163K |
| JPMorgan Chase & Co. | 0.00% | Add +4811.8% | 8,743 | $161K |
| Spire Wealth Management | 0.00% | No change | 6,562 | $121K |
| Citigroup Inc. | 0.00% | Add +1153.5% | 5,854 | $108K |
| Bank of America Corp. | 0.00% | Reduce -23.8% | 5,141 | $95K |
| Aster Capital Management (DIFC) Ltd | 0.01% | — | 2,927 | $54K |
| Catalyst Funds Management Pty Ltd | 0.00% | No change | 1,200 | $22K |
| US Bancorp \de | 0.00% | No change | 1,000 | $18K |
| First United Bank & Trust | 0.01% | No change | 790 | $15K |
| Osaic Holdings, Inc. | 0.00% | No change | 630 | $12K |
| Toth Financial Advisory Corp. | 0.00% | Reduce -69.2% | 526 | $10K |
| FMR LLC | 0.00% | Reduce -34.3% | 421 | $8K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -51.9% | 151 | $3K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -96.3% | 134 | $2K |
| BNP Paribas Financial Markets | 0.00% | No change | 84 | $2K |
| UBS Group AG | 0.00% | Reduce -96.4% | 49 | $904 |
"% of holder's portfolio" is MNSB's weight in each manager's 13F, not the share of Mainstreet Bancshares Inc. the manager owns.