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WSBK

Winchester Bancorp

18 hedge funds and large institutions have $5.55M invested in Winchester Bancorp in 2025 Q2 according to their latest regulatory filings, with 18 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

New
Increased
Maintained
Reduced
Closed

6.67% more ownership

Funds ownership: 0%6.67% (+6.7%)

Holders
18
Holders Change
+18
Holders Change %
% of All Funds
0.24%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
18
Increased
Reduced
Closed
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MP
1
Mangrove Partners
Connecticut
$1.51M +$1.56M +169,098 New
Vanguard Group
2
Vanguard Group
Pennsylvania
$617K +$635K +68,982 New
MI
3
M3F Inc
Utah
$531K +$546K +59,323 New
IWC
4
Integrated Wealth Concepts
Massachusetts
$492K +$506K +55,000 New
OC
5
Oppenheimer & Close
New York
$448K +$460K +50,000 New
Citadel Advisors
6
Citadel Advisors
Florida
$375K +$386K +41,929 New
SV
7
Stilwell Value
New York
$224K +$230K +25,000 New
Millennium Management
8
Millennium Management
New York
$208K +$214K +23,271 New
Geode Capital Management
9
Geode Capital Management
Massachusetts
$188K +$193K +20,992 New
Raymond James Financial
10
Raymond James Financial
Florida
$179K +$184K +20,000 New
LA
11
Lynch & Associates
Indiana
$163K +$167K +18,183 New
ECM
12
EagleClaw Capital Management
Massachusetts
$143K +$147K +16,000 New
LPL Financial
13
LPL Financial
California
$139K +$143K +15,500 New
UBS Group
14
UBS Group
Switzerland
$117K +$121K +13,106 New
BMC
15
Benin Management Corp
Connecticut
$94K +$96.6K +10,500 New
Bank of America
16
Bank of America
North Carolina
$91.4K +$93.9K +10,211 New
SPIA
17
Steward Partners Investment Advisory
New York
$22.4K +$23K +2,500 New
TRCT
18
Tower Research Capital (TRC)
New York
$5.74K +$5.9K +641 New

WSBK Hedge Fund Activity: Q2 2025 in Review

18 of the 7,604 institutional investors tracked by Wall St. Rank reported a position in Winchester Bancorp (WSBK) for Q2 2025, worth a combined $5.55M.

Buyers outnumbered sellers: 18 funds opened new WSBK positions and 0 closed out — a net gain of 18 holders — while 0 added to existing stakes and 0 trimmed.

The largest buyer was Mangrove Partners, opening a new position worth an estimated $1.56M.

  • 18 institutional investors held Winchester Bancorp (WSBK) as of Q2 2025, up from 0 in Q1 2025.
  • Funds reported $5.55M of Winchester Bancorp stock for Q2 2025.
  • 18 funds opened new Winchester Bancorp positions in Q2 2025 and 0 closed out, a net change of +18 holders.
  • The largest Winchester Bancorp buyer in Q2 2025 was Mangrove Partners, an estimated $1.56M added.

Based on aggregated 13F filings for Q2 2025.