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MainStreet Bancshares
MNSB

84 hedge funds and large institutions have $93.1M invested in MainStreet Bancshares in 2026 Q1 according to their latest regulatory filings, with 15 funds opening new positions, 25 increasing their positions, 23 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more first-time investments, than exits

New positions opened: 15 | Existing positions closed: 5

12% more funds holding

Funds holding: 75 → 84 (+9)

9% more repeat investments, than reductions

Existing positions increased: 25 | Existing positions reduced: 23

4% less capital invested

Capital invested by funds: $96.7M → $93.1M (-$3.6M)

6.62% less ownership

Funds ownership: 61.63% → 55.01% (-6.6%)

Holders
84
Holders Change
+9
Holders Change %
+12%
% of All Funds
1.03%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
15
Increased
25
Reduced
23
Closed
5
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
BFC
Banc Funds Company
Illinois
+$2.35M
2
Marshall Wace
Marshall Wace
United Kingdom
+$1.34M
3
American Century Companies
American Century Companies
Missouri
+$1.13M
4
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$796K
5
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$610K

Top Sellers

Rank Fund Capital Flow
1
FL
Fourthstone LLC
Missouri
-$8.26M
2
CAM
Cresset Asset Management
Illinois
-$5.63M
3
AllianceBernstein
AllianceBernstein
Tennessee
-$2.81M
4
Renaissance Technologies
Renaissance Technologies
New York
-$746K
5
Citadel Advisors
Citadel Advisors
Florida
-$340K
Name Holding Trade Value Shares
Change 		Change in
Stake
PNC Financial Services Group
76
PNC Financial Services Group
Pennsylvania
$577 +$216 +10 +63%
AF
77
Allworth Financial
California
$333 +$323 +15 New
BWA
78
Basecamp Wealth Advisors
Washington
$311 +$302 +14 New
MCM
79
MAI Capital Management
Ohio
$222 +$108 +5 +100%
RFP
80
Root Financial Partners
California
$155 +$151 +7 New
RIL
81
Rothschild Investment LLC
Illinois
$111 +$86 +4 +400%
EP
82
Essential Partners
California
$89 – – –
AAP
83
Arax Advisory Partners
Colorado
$67 +$65 +3 New
IA
84
IFP Advisors
Florida
$44 -$22 -1 -33%
PWM
85
Provident Wealth Management
Tennessee
– -$223K -10,932 Closed
Bank of America
86
Bank of America
North Carolina
– -$165K -8,110 Closed
MIM
87
MetLife Investment Management
New Jersey
– -$83K -4,079 Closed
KAS
88
Kestra Advisory Services
Texas
– -$40.5K -1,990 Closed
AB
89
Amalgamated Bank
New York
– -$4K -221 Closed
1 2 3
4

MNSB Hedge Fund Activity: Q1 2026 in Review

84 of the 8,127 institutional investors tracked by Wall St. Rank reported a position in MainStreet Bancshares (MNSB) for Q1 2026, worth a combined $93.1M — down 3.7% from $96.7M a quarter earlier.

Buyers outnumbered sellers: 15 funds opened new MNSB positions and 5 closed out — a net gain of 10 holders — while 25 added to existing stakes and 23 trimmed.

The largest buyer was Banc Funds Company, adding an estimated $2.35M. The largest seller was Fourthstone LLC, cutting an estimated $8.26M.

  • 84 institutional investors held MainStreet Bancshares (MNSB) as of Q1 2026, up from 75 in Q4 2025.
  • Funds reported $93.1M of MainStreet Bancshares stock for Q1 2026, down 3.7% quarter-over-quarter.
  • 15 funds opened new MainStreet Bancshares positions in Q1 2026 and 5 closed out, a net change of +10 holders.
  • The largest MainStreet Bancshares buyer in Q1 2026 was Banc Funds Company, an estimated $2.35M added.
  • The largest MainStreet Bancshares seller in Q1 2026 was Fourthstone LLC, an estimated $8.26M sold.

Based on aggregated 13F filings for Q1 2026.