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MainStreet Bancshares Ownership | Who Owns MainStreet Bancshares?

OverviewRevenueFinancialsChartTranscripts

MainStreet Bancshares Ownership Summary

MainStreet Bancshares is owned by 6.76% institutional investors, 9.87% insiders, and 83.37% retail investors. Alliancebernstein is the largest institutional shareholder, holding 8.75% of MNSB shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.05% of its assets in MainStreet Bancshares shares.

MNSB Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockMainStreet Bancshares6.76%9.87%83.37%
SectorFinancial Services Stocks 36.95%15.48%47.58%
IndustryRegional Banks Stocks38.26%12.54%49.20%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Alliancebernstein674.16K8.75%$14.04M
Banc funds573.37K7.44%$11.94M
Fourthstone509.93K6.62%$10.62M
Wellington management group llp411.02K5.33%$8.56M
Vanguard group380.29K4.94%$7.92M
Cresset asset management335.72K4.36%$6.99M
Blackrock funding, inc. /de333.22K4.32%$6.94M
First manhattan co. llc.209.48K2.72%$4.36M
Geode capital management152.77K1.98%$3.18M
Ubs group134.82K1.75%$2.81M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Banc funds573.37K2.09%$11.94M
Fourthstone509.93K1.90%$10.62M
Mendon capital advisors38.53K0.29%$751.63K
Elco management11.46K0.12%$238.75K
Caldwell sutter capital8.82K0.08%$183.68K
Provident wealth management10.93K0.07%$227.71K
Cresset asset management335.72K0.03%$6.99M
Bridgeway capital management51.59K0.02%$1.07M
Gsa capital partners llp11.89K0.02%$248.00K
Hughes financial services5.44K0.02%$98.74K

Top Buyers

HolderShares% AssetsChange
Fourthstone509.93K1.90%171.85K
Ubs group134.82K0.00%131.03K
Blackrock funding, inc. /de333.22K0.00%34.49K
Goldman sachs group26.64K0.00%26.64K
Susquehanna group, llp50.19K0.00%21.80K

Top Sellers

HolderShares% AssetsChange
Blackrock69.14K--316.63K
Elizabeth park capital advisors---145.35K
Cutler capital management---86.30K
Banc funds573.37K2.09%-77.64K
Salzhauer michael---33.45K

New Positions

HolderShares% AssetsChangeValue
Goldman sachs group26.64K0.00%26.64K$554.91K
Connor, clark & lunn investment management17.90K0.00%17.90K$372.94M
Marshall wace, llp12.45K0.00%12.45K$259.42K
Cubist systematic strategies5.45K0.00%5.45K$96.63K
Deutsche bank ag\5.03K-5.03K$104.69K

Sold Out

HolderChange
Avion wealth-28.00
Ashton thomas private wealth-55.00
Covestor-115.00
Picton mahoney asset management-299.00
California state teachers retirement system-700.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Sep 30, 202524-58.62%520,766-85.46%60.31%10-69.70%5-64.29%
Jun 30, 20256119.61%4,266,87815.24%552.36%36140.00%14-39.13%
Mar 31, 20253-94.34%119,408-96.85%10.06%2-89.47%--100.00%
Dec 31, 202451-3.77%3,447,702-8.56%451.84%17-22.73%1623.08%
Sep 30, 202453-18.46%3,770,610-4.61%491.84%23-36.11%13-27.78%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Vanguard US Total Market Shares ETF235.57K3.05%-
Vanguard Total Stock Mkt Idx Inv230.50K2.99%-5.08K
iShares Russell 2000 ETF98.42K1.28%-
Fidelity Small Cap Index69.43K0.90%69.43K
Vanguard Institutional Extnd Mkt Idx Tr59.99K0.78%-27.34K
iShares Russell 2000 Value ETF57.84K0.75%-
Vanguard Russell 2000 ETF33.68K0.44%-2.14K
DFA US Small Cap Value I33.41K0.43%-
Fidelity Extended Market Index32.37K0.42%-266.00
EA Bridgeway Omni Small-Cap Value ETF27.31K0.35%18.00

Recent Insider Transactions

DateNameRoleActivityValue
Dec 08, 2025CHMELIK THOMAS J CFO, MainStreet Bancshares IncSell$245.90K
Dec 08, 2025CHMELIK THOMAS J CFO, MainStreet Bancshares IncSell$224.02K
Dec 03, 2025CHMELIK THOMAS J CFO, MainStreet Bancshares IncSell$173.20K
Dec 03, 2025CHMELIK THOMAS J CFO, MainStreet Bancshares IncSell$20.48K
Nov 24, 2025Brockett Charles C.-Buy$3.81K

Insider Transactions Trends

DateBuySell
2025 Q454
2025 Q31-
2025 Q21-
2025 Q11-
2024 Q491

MNSB Ownership FAQ

Who Owns MainStreet Bancshares?

MainStreet Bancshares shareholders are primarily institutional investors at 6.76%, followed by 9.87% insiders and 83.37% retail investors. The average institutional ownership in MainStreet Bancshares's industry, Regional Banks Stocks, is 38.26%, which MainStreet Bancshares falls below.

Who owns the most shares of MainStreet Bancshares?

MainStreet Bancshares’s largest shareholders are Alliancebernstein (674.16K shares, 8.75%), Banc funds (573.37K shares, 7.44%), and Fourthstone (509.93K shares, 6.62%). Together, they hold 22.81% of MainStreet Bancshares’s total shares outstanding.

Does Blackrock own MainStreet Bancshares?

BlackRock is not among the top 10 institutional shareholders of MainStreet Bancshares.

Who is MainStreet Bancshares’s biggest shareholder by percentage of total assets invested?

Banc funds is MainStreet Bancshares’s biggest shareholder by percentage of total assets invested, with 2.09% of its assets in 573.37K MainStreet Bancshares shares, valued at 11.94M$.

Who is the top mutual fund holder of MainStreet Bancshares shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of MainStreet Bancshares shares, with 3.05% of its total shares outstanding invested in 235.57K MainStreet Bancshares shares.

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