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MainStreet Bancshares
MNSB

75 hedge funds and large institutions have $96.7M invested in MainStreet Bancshares in 2025 Q4 according to their latest regulatory filings, with 11 funds opening new positions, 25 increasing their positions, 25 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

57% more first-time investments, than exits

New positions opened: 11 | Existing positions closed: 7

6% more funds holding

Funds holding: 71 → 75 (+4)

2.08% more ownership

Funds ownership: 59.56% → 61.63% (+2.1%)

1% more capital invested

Capital invested by funds: $95.5M → $96.7M (+$1.16M)

0% more repeat investments, than reductions

Existing positions increased: 25 | Existing positions reduced: 25

100% less funds holding in top 10

Funds holding in top 10: 1 → 0 (-1)

Holders
75
Holders Change
+4
Holders Change %
+5.63%
% of All Funds
0.91%
Holding in Top 10
–
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
–
New
11
Increased
25
Reduced
25
Closed
7
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
FL
Fourthstone LLC
Missouri
+$5.04M
2
Citadel Advisors
Citadel Advisors
Florida
+$768K
3
Squarepoint
Squarepoint
New York
+$673K
4
Marshall Wace
Marshall Wace
United Kingdom
+$622K
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$376K

Top Sellers

Rank Fund Capital Flow
1
BFC
Banc Funds Company
Illinois
-$2.96M
2
Wellington Management Group
Wellington Management Group
Massachusetts
-$1.01M
3
Millennium Management
Millennium Management
New York
-$668K
4
First Manhattan
First Manhattan
New York
-$418K
5
UBS Group
UBS Group
Switzerland
-$413K
Name Holding Trade Value Shares
Change 		Change in
Stake
Creative Planning
26
Creative Planning
Kansas
$450K -$1.35K -69 -0.3%
Charles Schwab
27
Charles Schwab
California
$419K – – –
Bank of New York Mellon
28
Bank of New York Mellon
New York
$367K -$123K -6,298 -26%
DSC
29
Daytona Street Capital
Missouri
$366K +$352K +18,000 New
AUB
30
Atlantic Union Bankshares
Virginia
$257K – – –
HighTower Advisors
31
HighTower Advisors
Illinois
$250K +$20 +1 +0%
TI
32
Trexquant Investment
Connecticut
$239K +$230K +11,751 New
Arrowstreet Capital
33
Arrowstreet Capital
Massachusetts
$233K +$224K +11,464 New
Goldman Sachs
34
Goldman Sachs
New York
$231K -$299K -15,276 -57%
PWM
35
Provident Wealth Management
Tennessee
$223K – – –
CSC
36
Caldwell Sutter Capital
California
$180K – – –
Bank of America
37
Bank of America
North Carolina
$165K +$63.9K +3,270 +68%
Wells Fargo
38
Wells Fargo
California
$160K +$49.7K +2,541 +48%
Osaic Holdings
39
Osaic Holdings
Arizona
$137K – – –
SWM
40
Spire Wealth Management
Virginia
$134K – – –
HFS
41
Hughes Financial Services
Virginia
$111K – – –
RhumbLine Advisers
42
RhumbLine Advisers
Massachusetts
$107K -$38K -1,942 -27%
Deutsche Bank
43
Deutsche Bank
Germany
$102K – – –
JP Morgan Chase
44
JP Morgan Chase
New York
$97.3K -$38.4K -1,967 -29%
MIM
45
MetLife Investment Management
New Jersey
$83K -$6.68K -342 -8%
New York State Common Retirement Fund
46
New York State Common Retirement Fund
New York
$70.9K – – –
Mirae Asset Global ETFs Holdings
47
Mirae Asset Global ETFs Holdings
Hong Kong
$67K -$958 -49 -1%
KAS
48
Kestra Advisory Services
Texas
$40.5K +$38.9K +1,990 New
PFSRSONJ
49
Police & Firemen's Retirement System of New Jersey
New Jersey
$35.9K – – –
BNP Paribas Financial Markets
50
BNP Paribas Financial Markets
France
$34.8K -$997 -51 -3%
1
2
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MNSB Hedge Fund Activity: Q4 2025 in Review

75 of the 8,224 institutional investors tracked by Wall St. Rank reported a position in MainStreet Bancshares (MNSB) for Q4 2025, worth a combined $96.7M — up 1.2% from $95.5M a quarter earlier.

Buyers outnumbered sellers: 11 funds opened new MNSB positions and 7 closed out — a net gain of 4 holders — while 25 added to existing stakes and 25 trimmed.

The largest buyer was Fourthstone LLC, adding an estimated $5.04M. The largest seller was Banc Funds Company, cutting an estimated $2.96M.

  • 75 institutional investors held MainStreet Bancshares (MNSB) as of Q4 2025, up from 71 in Q3 2025.
  • Funds reported $96.7M of MainStreet Bancshares stock for Q4 2025, up 1.2% quarter-over-quarter.
  • 11 funds opened new MainStreet Bancshares positions in Q4 2025 and 7 closed out, a net change of +4 holders.
  • The largest MainStreet Bancshares buyer in Q4 2025 was Fourthstone LLC, an estimated $5.04M added.
  • The largest MainStreet Bancshares seller in Q4 2025 was Banc Funds Company, an estimated $2.96M sold.

Based on aggregated 13F filings for Q4 2025.