WSBK

WINCHESTER BANCORP INC

Institutional Ownership · Q4 2025

Filing: Q4 2025

WINCHESTER BANCORP INC (WSBK) is held by 21 institutional investors with combined holdings of $9M. Major holders include MANGROVE PARTNERS IM, LLC, M3F, Inc., VANGUARD GROUP INC.

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Institutional Holders

Total Value

$8.6M

Ownership %

9.2%

🏦 Top Institutional Holders

MANGROVE PARTNERS IM, LLC

Northstar Financial Companies, Inc.

70.0K shares

$731.5K

0.78% ownership

M3 Wealth Management, LLC

70.0K shares

$731.5K

0.78% ownership

📊 Financials

Income statement, balance sheet, and cash flow from SEC filings.

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