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.
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%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BFC
Banc Funds Company
Chicago,
Illinois
|
+$2.35M |
| 2 |
Marshall Wace
London,
United Kingdom
|
+$1.34M |
| 3 |
American Century Companies
Kansas City,
Missouri
|
+$1.13M |
| 4 |
Acadian Asset Management
Boston,
Massachusetts
|
+$796K |
| 5 |
Dimensional Fund Advisors
Austin,
Texas
|
+$610K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FL
Fourthstone LLC
St Louis,
Missouri
|
-$8.26M |
| 2 |
CAM
Cresset Asset Management
Chicago,
Illinois
|
-$5.63M |
| 3 |
AllianceBernstein
Nashville,
Tennessee
|
-$2.81M |
| 4 |
Renaissance Technologies
New York
|
-$746K |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$340K |
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.