Winchester Bancorp, Inc.
Winchester Bancorp, Inc. (Nasdaq: WSBK) is the bank holding company for Winchester Savings Bank, a Massachusetts-chartered savings bank that gathers deposits and makes loans in eastern Massachusetts. Its lending includes one- to four-family residential mortgages, multifamily and commercial real estate loans,… From the company’s description.
In fiscal 2026, Winchester Bancorp, Inc. reported revenue of $26.26M, up 36.0% from fiscal 2025, and net income of $4.42M. Its pre-tax margin was 21.8%. Over the twelve months to Sep 30, 2026, revenue was $28.15M.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Winchester Bancorp, Inc. does
In the company’s own words
Winchester Bancorp, Inc. (Nasdaq: WSBK) is the bank holding company for Winchester Savings Bank, a Massachusetts-chartered savings bank that gathers deposits and makes loans in eastern Massachusetts. Its lending includes one- to four-family residential mortgages, multifamily and commercial real estate loans, construction loans, home equity loans and lines of credit, and smaller volumes of commercial business and consumer loans; it also invests in securities. Customers include local residents, households, property owners and small businesses. The Bank operates a main office and four full-service branches in the Boston-area communities of Winchester, Arlington, Danvers and Woburn. Winchester Savings Bank, chartered in 1871, is the company’s sole subsidiary; Winchester Bancorp was formed in 2024 and became the Bank’s holding company following a mutual holding company reorganization completed in 2025. At June 30, 2026, the company had $1.1 billion in assets and $809.2 million in deposits, and employed 71 full-time and eight part-time or seasonal employees. Its website is www.winchestersavings.com.
Company details
- Sector
- Financials
- Industry (SIC)
- Banks & Brokers
- Headquarters
- WINCHESTER, MA
- Fiscal year end
- December
- CIK
- 2047235
- SIC
- 6036
Financial performance, year by year
Fiscal 2025–2026 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Winchester Bancorp, Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Winchester Bancorp, Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Could not be determined for this company: bond issues.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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