Mainstreet BancsharesMNSB

13F holders, Q4 2024 (December 31)
53holders
2new positions
3sold out
3famous investors
$18.10avg. 13F price*

At the end of Q4 2024, 53 institutions reported holding Mainstreet Bancshares Inc. (MNSB) in their 13F filings, unchanged from Q3 2024. 2 opened new positions and 3 sold out. The largest holders were Banc Funds Co. LLC ($11.8M), Alliancebernstein L.P. ($11.7M) and Wellington Management Group LLP ($7.8M). 3 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies'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

020406080100 Q1 2024: 65Q1 2024Q2 2024: 66Q2 2024Q3 2024: 53Q3 2024Q4 2024: 53Q4 2024Q1 2025: 51Q1 2025Q2 2025: 61Q2 2025Q3 2025: 71Q3 2025Q4 2025: 75Q4 2025Q1 2026: 84Q1 2026Q2 2026: 96Q2 2026

Total Exit/New Position Q3 2024 → Q4 2024

InstitutionsTotal Value
New Positions2$615K
Exits3$461K

All 13F filers, Q3 2024 → Q4 2024: 120,933 shares bought and 101,778 shares sold, net +19,155 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 $11.8M
Alliancebernstein L.P. 0.00% No change 648,797 $11.7M
Wellington Management Group LLP 0.00% No change 428,570 $7.8M
Vanguard Group Inc. 0.00% No change 337,099 $6.1M
Cresset Asset Management, LLC 0.03% Add +0.6% 319,870 $5.8M
First Manhattan Co. Llc. 0.01% Reduce -1.3% 252,393 $4.6M
Cutler Capital Management, LLC 0.89% Reduce -13.9% 109,236 $2.0M
Dimensional Fund Advisors LP 0.00% Add +6.7% 87,909 $1.6M
Fourthstone LLC 0.30% Add +7.5% 83,985 $1.5M
Acadian Asset Management LLC 0.00% Reduce -0.6% 77,974 $1.4M
BlackRock, Inc. 0.00% Reduce -11.4% 68,431 $1.2M
Geode Capital Management, LLC 0.00% Add +1.0% 63,589 $1.2M
Millennium Management 0.00% Reduce -3.5% 58,348 $1.1M
Bridgeway Capital Management, LLC 0.02% Add +0.9% 57,289 $1.0M
Mendon Capital Advisors Corp. 0.53% Add +136.1% 51,443 $931K
Susquehanna International Group, LLP 0.00% Add +76.8% 50,185 $908K
Salzhauer Michael 0.39% Add +11.2% 41,995 $760K
Empowered Funds, LLC 0.01% Add +1.8% 33,064 $598K
Renaissance Technologies 0.00% Reduce -15.4% 32,300 $585K
Qube Research & Technologies Ltd 0.00% Add +39.4% 25,294 $458K
StoneX Group Inc. 0.02% New 23,940 $433K
Morgan Stanley 0.00% Add +18.6% 22,973 $416K
State Street Corp. 0.00% Add +4.8% 22,245 $403K
ELCO Management Co., LLC 0.20% Reduce -1.5% 21,453 $388K
Creative Planning 0.00% No change 21,000 $380K
Two Sigma Advisers, LP 0.00% Reduce -11.7% 19,600 $355K
Citadel Advisors 0.00% Reduce -26.8% 17,022 $308K
Jane Street Group, LLC 0.00% Add +16.0% 15,957 $289K
Two Sigma Investments, LP 0.00% Reduce -27.5% 15,788 $286K
Provident Wealth Management, LLC 0.09% No change 14,554 $263K
Barclays PLC 0.00% Reduce -13.2% 14,540 $263K
Forum Financial Management, LP 0.00% No change 13,439 $243K
Northern Trust Corp. 0.00% No change 12,725 $230K
Sandy Spring Bank 0.01% No change 12,600 $228K
Gsa Capital Partners LLP 0.01% Reduce -47.2% 11,165 $202K
Goldman Sachs Group Inc. 0.00% New 10,039 $182K
Royal Bank of Canada 0.00% No change 8,945 $162K
Caldwell Sutter Capital, Inc. 0.07% No change 8,818 $160K
Spire Wealth Management 0.00% No change 6,562 $119K
Bank of America Corp. 0.00% Reduce -14.0% 4,422 $80K
Citigroup Inc. 0.00% Reduce -30.3% 4,083 $74K
Aster Capital Management (DIFC) Ltd 0.02% No change 2,927 $53K
UBS Group AG 0.00% Add +3630.6% 1,828 $33K
US Bancorp \de 0.00% No change 1,000 $18K
First United Bank & Trust 0.01% No change 790 $14K
BNP Paribas Financial Markets 0.00% Add +815.5% 769 $14K
Osaic Holdings, Inc. 0.00% No change 630 $11K
Toth Financial Advisory Corp. 0.00% Add +0.6% 529 $10K
FMR LLC 0.00% No change 421 $8K
Russell Investments Group, Ltd. 0.00% No change 151 $3K
Tower Research Capital LLC (TRC) 0.00% Reduce -55.2% 60 $1K
SBI Securities Co., Ltd. 0.00% — 52 $941
JPMorgan Chase & Co. 0.00% Reduce -99.9% 5 $91

"% of holder's portfolio" is MNSB's weight in each manager's 13F, not the share of Mainstreet Bancshares Inc. the manager owns.