Winchester Bancorp
WSBK
21 hedge funds and large institutions have $8.06M invested in Winchester Bancorp in 2025 Q4 according to their latest regulatory filings, with 2 funds opening new positions, 6 increasing their positions, 5 reducing their positions, and 3 closing their positions.
20% more repeat investments, than reductions
Existing positions increased: 6 | Existing positions reduced: 5
19% more capital invested
Capital invested by funds: $6.77M → $8.06M (+$1.29M)
0.68% more ownership
Funds ownership: 7.62% → 8.3% (+0.68%)
5% less funds holding
Funds holding: 22 → 21 (-1)
33% less first-time investments, than exits
New positions opened: 2 | Existing positions closed: 3
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MI
M3F Inc
Salt Lake City,
Utah
|
+$599K |
| 2 |
Renaissance Technologies
New York
|
+$258K |
| 3 |
AllianceBernstein
Nashville,
Tennessee
|
+$240K |
| 4 |
SPIA
Steward Partners Investment Advisory
New York
|
+$81.7K |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
+$25.4K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SV
Stilwell Value
New York
|
-$239K |
| 2 |
LA
Lynch & Associates
Newburgh,
Indiana
|
-$126K |
| 3 |
BMC
Benin Management Corp
Wilton,
Connecticut
|
-$95.5K |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$76K |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$53K |
WSBK Hedge Fund Activity: Q4 2025 in Review
21 of the 8,281 institutional investors tracked by Wall St. Rank reported a position in Winchester Bancorp (WSBK) for Q4 2025, worth a combined $8.06M — up 19% from $6.77M a quarter earlier.
Sellers outnumbered buyers: 3 funds closed out of WSBK and 2 opened new positions — a net loss of 1 holder — while 5 trimmed existing stakes and 6 added.
The largest buyer was M3F Inc, adding an estimated $599K. The largest seller was Stilwell Value, exiting entirely with an estimated $239K sold.
- 21 institutional investors held Winchester Bancorp (WSBK) as of Q4 2025, down from 22 in Q3 2025.
- Funds reported $8.06M of Winchester Bancorp stock for Q4 2025, up 19% quarter-over-quarter.
- 2 funds opened new Winchester Bancorp positions in Q4 2025 and 3 closed out, a net change of -1 holder.
- The largest Winchester Bancorp buyer in Q4 2025 was M3F Inc, an estimated $599K added.
- The largest Winchester Bancorp seller in Q4 2025 was Stilwell Value, an estimated $239K sold.
Based on aggregated 13F filings for Q4 2025.