MainStreet Bancshares
MNSB
71 hedge funds and large institutions have $95.5M invested in MainStreet Bancshares in 2025 Q3 according to their latest regulatory filings, with 14 funds opening new positions, 23 increasing their positions, 19 reducing their positions, and 4 closing their positions.
250% more first-time investments, than exits
New positions opened: 14 | Existing positions closed: 4
21% more repeat investments, than reductions
Existing positions increased: 23 | Existing positions reduced: 19
18% more capital invested
Capital invested by funds: $80.6M → $95.5M (+$14.9M)
16% more funds holding
Funds holding: 61 → 71 (+10)
4.17% more ownership
Funds ownership: 55.38% → 59.56% (+4.2%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FL
Fourthstone LLC
St Louis,
Missouri
|
+$3.62M |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$2.76M |
| 3 |
BlackRock
New York
|
+$726K |
| 4 |
Goldman Sachs
New York
|
+$561K |
| 5 |
Renaissance Technologies
New York
|
+$450K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BFC
Banc Funds Company
Chicago,
Illinois
|
-$1.63M |
| 2 |
SG
StoneX Group
New York
|
-$452K |
| 3 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$285K |
| 4 |
FFM
Forum Financial Management
Lombard,
Illinois
|
-$254K |
| 5 |
Royal Bank of Canada
Toronto,
Ontario, Canada
|
-$130K |
MNSB Hedge Fund Activity: Q3 2025 in Review
71 of the 7,642 institutional investors tracked by Wall St. Rank reported a position in MainStreet Bancshares (MNSB) for Q3 2025, worth a combined $95.5M — up 18% from $80.6M a quarter earlier.
Buyers outnumbered sellers: 14 funds opened new MNSB positions and 4 closed out — a net gain of 10 holders — while 23 added to existing stakes and 19 trimmed.
The largest buyer was Fourthstone LLC, adding an estimated $3.62M. The largest seller was Banc Funds Company, cutting an estimated $1.63M.
- 71 institutional investors held MainStreet Bancshares (MNSB) as of Q3 2025, up from 61 in Q2 2025.
- Funds reported $95.5M of MainStreet Bancshares stock for Q3 2025, up 18% quarter-over-quarter.
- 14 funds opened new MainStreet Bancshares positions in Q3 2025 and 4 closed out, a net change of +10 holders.
- The largest MainStreet Bancshares buyer in Q3 2025 was Fourthstone LLC, an estimated $3.62M added.
- The largest MainStreet Bancshares seller in Q3 2025 was Banc Funds Company, an estimated $1.63M sold.
Based on aggregated 13F filings for Q3 2025.