WSBK — WINCHESTER BANCORP INC

Ownership history in M3F, Inc.  ·  3 quarters on record

This page tracks every 13F SEC filing in which M3F, Inc. reported a position in WINCHESTER BANCORP INC (WSBK). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.41% (2025 Q4)
Avg. % of fund
0.26%
First filed
2025 Q2
Last filed
2025 Q4
Quarters held
3
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 143,986 +61,434 +74.4% 0.41% $1.5M $10.45
2025 Q3 ADDED 82,552 +23,229 +39.2% 0.22% $788K $9.55
2025 Q2 INITIATED 59,323 — — 0.15% $531K $8.95
% of Fund (quarterly)    WSBK price (monthly, adj. close)

Other funds also holding WSBK

As of 2025 Q4 — sorted by position size

Oppenheimer & Close, LLC 3Y 7Y 0.36% MANGROVE PARTNERS IM, LLC 3Y 7Y 0.16% EagleClaw Capital Managment, LLC 3Y 7Y 0.02% Integrated Wealth Concepts LLC 3Y 7Y 0.01% Steward Partners Investment Advisory, LLC 3Y 7Y 0.0% RENAISSANCE TECHNOLOGIES LLC 3Y 7Y 0.0% ALLIANCEBERNSTEIN L.P. 3Y 7Y 0.0% MILLENNIUM MANAGEMENT LLC 3Y 7Y 0.0% Tower Research Capital LLC (TRC) 3Y 7Y 0.0% LPL Financial LLC 3Y 7Y 0.0%
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