Winchester Bancorp (WSBK) Institutional Ownership $9.64 +0.20 (+2.12%) As of 08/5/2025 04:00 PM Eastern Add Compare Share Share Ownership Stock AnalysisChartCompetitorsInsider TradesOwnershipSEC FilingsTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Winchester Bancorp (NASDAQ:WSBK)Number ofInstitutional Buyers(last 12 months)1TotalInstitutional Inflows(last 12 months)$93.98KNumber ofInstitutional Sellers(last 12 months)0 Get WSBK Insider Trade Alerts Want to know when executives and insiders are buying or selling Winchester Bancorp stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Winchester Bancorp Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails7/30/2025 Benin Management CORP10,500$94K0.0%N/A0.113% (Data available from 1/1/2016 forward) WSBK Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of WSBK shares? During the previous two years, the following institutional investors and hedge funds held shares of Winchester Bancorp shares: Benin Management CORP ($94K).Learn more on Winchester Bancorp's institutional investors. Which institutional investors have been buying Winchester Bancorp's stock? The following institutional investors have purchased Winchester Bancorp's stock in the last 24 months: Benin Management CORP ($10.50K). How much institutional buying is happening at Winchester Bancorp? Institutional investors have bought a total of 10,500 shares in the last 24 months. This purchase volume represents approximately $93.98K in transactions. Related Companies Lesaka Technologies Institutional Ownership USCB Financial Institutional Ownership Blue Ridge Bankshares Institutional Ownership Bitcoin Depot Institutional Ownership RBB Bancorp Institutional Ownership Ponce Financial Group Institutional Ownership Civista Bancshares Institutional Ownership FS Bancorp Institutional Ownership Pioneer Bancorp Institutional Ownership Northeast Community Bancorp Institutional Ownership This page (NASDAQ:WSBK) was last updated on 8/6/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | Sponsored[Warning] Buffett Indicator hits new All-Time-HighWarren Buffett has leaned on one key indicator for decades—and it just hit an all-time high. 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