Who Owns MainStreet Bancshares, Inc. (MNSB)?Hedge Fund & Institutional Holders

$21.40-0.09 (-0.42%)Financial ServicesNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$1.56321300085917e+110T

% of Float Held

QoQ Change in Holders

+15 / -3

Price History

$15.27$17.18$19.10$21.02$22.93Sep 24Jun 25Mar 26

MNSB — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
Daytona Street Capital LLCNew Position+18K+$366K
Atlantic Union Bankshares CorpNew Position+13K+$256K
Trexquant Investment LPNew Position+12K+$239K
Provident Wealth Management, LLCNew Position+11K+$222K
CALDWELL SUTTER CAPITAL, INC.New Position+9K+$179K
Spire Wealth ManagementNew Position+7K+$133K
FIRST UNITED BANK & TRUSTNew Position+790+$16K
State of Alaska, Department of RevenueNew Position+596+$12K
CWM, LLCNew Position+109+$2K
SBI Securities Co., Ltd.New Position+83+$1K
Farther Finance Advisors, LLCNew Position+94+$1K
MAI Capital ManagementNew Position+5+$0
FEDERATED HERMES, INC.New Position+747+$0
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPNew Position+11K+$0
Bank of New York Mellon CorpNew Position+18K+$0

MNSB — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
BANC FUNDS CO LLCDecreased-151K-$11.9B
WELLINGTON MANAGEMENT GROUP LLPDecreased-52K-$8.6B
VANGUARD GROUP INCDecreased-1K-$7.9B
Cresset Asset Management, LLCDecreased-3K-$7.0B
FIRST MANHATTAN CO. LLC.Decreased-21K-$4.4B
GEODE CAPITAL MANAGEMENT, LLCDecreased-3K-$3.2B
UBS Group AGDecreased-21K-$2.8B
NORTHERN TRUST CORPDecreased-5K-$1.1B
RENAISSANCE TECHNOLOGIES LLCDecreased-388-$1.0B
MILLENNIUM MANAGEMENT LLCClosed Position-32K-$667.6M
GOLDMAN SACHS GROUP INCDecreased-15K-$554.9M
Creative PlanningDecreased-69-$461.8M
TWO SIGMA ADVISERS, LPClosed Position-18K-$364.5M
TWO SIGMA INVESTMENTS, LPClosed Position-10K-$209.8M
RHUMBLINE ADVISERSDecreased-2K-$149.9M

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Fourthstone LLC767,792$15.6M2.93%Share
2ALLIANCEBERNSTEIN L.P.684,945$13.0M0.00%Share
3BANC FUNDS CO LLC421,981$8.6M1.70%Share
4WELLINGTON MANAGEMENT GROUP LLP359,411$7.0M0.00%Share
5VANGUARD GROUP INC337,633$6.9M0.00%Share
6Cresset Asset Management, LLC333,136$6.0M0.03%Share
7BlackRock, Inc.230,912$4.0M0.00%Share
8FIRST MANHATTAN CO. LLC.188,108$3.0M0.01%Share
9UBS Group AG113,661$2.3M0.00%Share
10GEODE CAPITAL MANAGEMENT, LLC129,203$2.0M0.00%Share
11DIMENSIONAL FUND ADVISORS LP128,530$2.0M0.00%Share
12ACADIAN ASSET MANAGEMENT LLC97,034$1.0M0.00%Share
13BlackRock, Inc.82,944$1.0M0.00%Share
14STATE STREET CORP73,562$1.0M0.00%Share
15BRIDGEWAY CAPITAL MANAGEMENT, LLC60,742$1.0M0.02%Share
16MENDON CAPITAL ADVISORS CORP47,312$963K0.29%Share
17VANGUARD GROUP INC39,082$795K0.00%Share
18Daytona Street Capital LLC18,000$366K0.28%Share
19Atlantic Union Bankshares Corp12,600$256K0.00%Share
20Trexquant Investment LP11,751$239K0.00%Share
21Provident Wealth Management, LLC10,932$222K0.07%Share
22CALDWELL SUTTER CAPITAL, INC.8,818$179K0.08%Share
23Spire Wealth Management6,562$133K0.00%Share
24Hughes Financial Services, LLC5,440$110K0.02%Share
25VANGUARD GROUP INC2,563$52K0.00%Share
26US BANCORP \DE\1,000$20K0.00%Share
27FIRST UNITED BANK & TRUST790$16K0.01%Share
28State of Alaska, Department of Revenue596$12K0.00%Share
29TOTH FINANCIAL ADVISORY CORP540$10K0.00%Share
30CWM, LLC109$2K0.00%Share
31Farther Finance Advisors, LLC94$1K0.00%Share
32SBI Securities Co., Ltd.83$1K0.00%Share
33MARSHALL WACE, LLP41,983$00.00%Share
34Sterling Capital Management LLC386$00.00%Share
35ROYAL BANK OF CANADA208$00.00%Share
36ROYAL BANK OF CANADA945$00.00%Share
37ROYAL BANK OF CANADA56$00.00%Share
38CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM432$00.00%Share
39CITADEL ADVISORS LLC13,953$00.00%Share
40CITADEL ADVISORS LLC25,335$00.00%Share
41Tower Research Capital LLC (TRC)552$00.00%Share
42Creative Planning22,100$00.00%Share
43FMR LLC458$00.00%Share
44BANK OF AMERICA CORP /DE/7,791$00.00%Share
45BANK OF AMERICA CORP /DE/319$00.00%Share
46NORTHERN TRUST CORP1,071$00.00%Share
47NORTHERN TRUST CORP47,355$00.00%Share
48NORTHERN TRUST CORP62$00.00%Share
49MAI Capital Management5$00.00%Share
50Squarepoint Ops LLC34,424$00.00%Share

MNSB Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 202573$77.8M+15
Q3 202558$91.8B+6
Q2 202552$60.9B+2
Q1 202550$59.8B+0
Q4 202450$781.5B+6
Q3 202444$35.1T-10
Q2 202454$34.1T+3
Q1 202451$38.4T

Similar Stocks by Institutional Ownership

As of Q4 2025, 50 institutional investors hold MNSB (MainStreet Bancshares, Inc.). The largest holder is Fourthstone LLC with $15.6M in shares. This quarter, 15 institutions opened new positions and 3 closed their positions.

Frequently Asked Questions

How many hedge funds own MNSB?

As of Q4 2025, 50 institutional investors report holding MNSB (MainStreet Bancshares, Inc.) in their 13F filings.

Who is the largest institutional holder of MNSB?

The largest institutional holder of MNSB is Fourthstone LLC with $15.6M in shares.

Is institutional ownership of MNSB increasing or decreasing?

This quarter, 15 institutions opened new positions in MNSB and 3 closed their positions.