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If You Invested in Winchester Bancorp Inc (WSBK)

Savings Institutions, Not Federally Chartered · Banks - Regional · NASDAQ
Looking for the current price? See the WSBK quote & overview
$1,000 invested 1 Year Ago
$1,364
+36.4% total 36.6% CAGR
Bought on Jul 30, 2025 at $9.55
$1,000 invested 5 Years Ago
N/A
Trading since 2025-05-02

What $1,000 or $10,000 in WSBK Would Be Worth Now

Real historical value by amount invested and how long ago
If you invested 1 year ago 5 years ago 10 years ago Since May 2, 2025
$1,000 $1,364 +36% $1,401 +40%
$10,000 $13,637 +36% $14,011 +40%

Based on real historical closing prices, dividend- and split-adjusted, through 2026-07-28. Past performance does not guarantee future results.

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$1,000 Investment Over Time

WSBK vs S&P 500

Year-by-Year Returns

WSBK annual performance
Year Start Price End Price Annual Return Cumulative
2025 $9.30 $10.45 +12.4% +12.4%
2026 $10.44 $13.03 +24.8% +40.1%

About Winchester Bancorp Inc

Savings Institutions, Not Federally Chartered · NASDAQ

Winchester Bancorp, Inc. (NASDAQ: WSBK) is the mid-tier holding company for Winchester Savings Bank, a Massachusetts-chartered community bank. According to company disclosures, Winchester Bancorp, Inc. is a majority owned subsidiary of Winchester Bancorp, MHC and focuses on operating and growing a profitable community-oriented financial institution that serves individuals and small businesses in the communities in which it operates.

Winchester Savings Bank traces its origins to its original charter in 1871 as a mutual savings bank. It operates from a main office and full-service branch offices in eastern Massachusetts, in communities such as Winchester, Woburn, Danvers and Arlington. The bank’s deposits are insured in full beyond federal deposit insurance coverage limits by the Depositors Insurance Fund, as described in its public communications.

Business model and community focus

Winchester Bancorp, Inc. generates results through traditional community banking activities conducted by Winchester Savings Bank. The bank’s stated mission is to meet the banking needs of individuals and small businesses in its market area, reflecting a community-oriented approach. Available information indicates that its primary deposit products are checking, savings and term certificate accounts, and that it offers lending products that include residential and commercial real estate loans.

The company emphasizes serving local customers and communities, including through the establishment of the Winchester Savings Bank Charitable Foundation. In connection with its mutual holding company reorganization and stock offering, Winchester Bancorp, Inc. made a one-time contribution of cash and shares of common stock to the charitable foundation, which the company states is intended to benefit customers and the communities it serves over the long term.

Corporate structure and stock offering

Winchester Bancorp, Inc. completed an initial public offering of its common stock in connection with the mutual holding company reorganization of Winchester Savings Bank. The company has stated that its common stock trades on the Nasdaq Capital Market under the symbol WSBK. In the stock offering, it sold shares to investors, issued shares to Winchester Bancorp, MHC as its mutual holding company, and issued shares to the Winchester Savings Bank Charitable Foundation. As a result of the transaction, the company reports that it has millions of shares of common stock issued and outstanding, with Winchester Bancorp, MHC owning a majority of those shares.

The company also established an Employee Stock Ownership Plan (ESOP) that purchased shares in the offering. In its public filings, Winchester Bancorp, Inc. notes that the ESOP holds unallocated shares and that participants may direct how allocated shares are voted, with the ESOP trustee voting remaining shares in accordance with plan terms.

Balance sheet composition and lending focus

Company financial disclosures show that Winchester Bancorp, Inc. maintains a balance sheet that includes cash and cash equivalents, investment securities, loans, bank owned life insurance, premises and equipment, and other assets. Loans represent a significant portion of total assets. The company reports that loan growth has been driven by construction, commercial real estate, multi-family and residential real estate lending, reflecting demand for new originations in its markets.

On the funding side, Winchester Bancorp, Inc. reports deposits that include non-interest-bearing deposits and interest-bearing deposits such as savings, money market and certificate of deposit accounts. The company also utilizes borrowings from the Federal Home Loan Bank (FHLB) as part of its funding structure, and maintains mortgagors’ escrow accounts, accrued expenses and other liabilities.

Investment securities held by the company include U.S. Treasuries and government agency securities, based on its public discussion of portfolio activity. The company has reported purchases of such securities and occasional restructuring of its investment portfolio, including realizing losses on sales of available-for-sale securities in order to reposition into higher-yielding investments.

Earnings drivers and asset quality

Winchester Bancorp, Inc. identifies net interest income as a key driver of its results, reflecting interest and fees on loans, interest and dividends on securities, and interest on other interest-bearing deposits, offset by interest expense on deposits and FHLB advances. Company disclosures highlight changes in net interest margin over time, influenced by asset yields, funding costs and the mix of interest-earning assets and interest-bearing liabilities.

The company also reports non-interest income from customer service fees, income on bank owned life insurance, gains and losses on securities, and miscellaneous sources. Non-interest expenses include salaries and employee benefits, occupancy and equipment expenses, data processing, deposit insurance, marketing and advertising, and other general and administrative costs. In one period, non-interest expense included a significant contribution to the Winchester Savings Bank Charitable Foundation in connection with the reorganization and stock offering.

Winchester Bancorp, Inc. provides information on its allowance for credit losses on loans, provision for credit losses, net charge-offs and non-performing assets. The company has stated that asset quality remains strong, with non-performing assets representing a small percentage of total assets in the reported periods. It has also described a change in its loan loss methodology, including use of a Discounted Cash Flow model and adjustments to reserves for off-balance sheet commitments and individually assessed loans.

Regulatory reporting and governance

As a public company, Winchester Bancorp, Inc. files reports with the U.S. Securities and Exchange Commission. Recent filings include current reports on Form 8-K regarding financial results and the announcement of its annual meeting of stockholders, as well as a definitive proxy statement on Schedule 14A for its annual meeting. The proxy statement describes matters such as the election of directors and the ratification of the appointment of the company’s independent registered public accounting firm.

The company’s proxy materials also describe voting procedures, ownership limitations contained in its Articles of Incorporation, and beneficial ownership information for directors, executive officers and principal stockholders, including Winchester Bancorp, MHC. The company notes that record owners who beneficially own in excess of a specified percentage of outstanding shares may have voting rights limited for shares held above that threshold, as set forth in its governing documents.

Market context and investor considerations

Within the financial services sector, Winchester Bancorp, Inc. is classified in the banks – regional industry. Its operations are centered on community banking through Winchester Savings Bank, with a focus on individuals and small businesses in its local markets. The company’s public communications emphasize its long history as a community institution, its mutual holding company structure, and its goal of prudent growth in loans and deposits while maintaining asset quality.

Investors analyzing WSBK can review the company’s SEC filings, including annual and quarterly reports and proxy statements, for detailed information on its financial condition, results of operations, capital structure, credit quality and governance. Press releases filed as exhibits to Form 8-K provide additional context on earnings, balance sheet trends, loan and deposit growth, and strategic actions such as the reorganization, stock offering and charitable foundation contribution.

Market Cap
$0.1B
Current Price
$13.03
EPS
$-0.09
Revenue
$0.0B
Net Margin
-2.1%
View full WSBK overview

Frequently Asked Questions

Winchester Bancorp Inc investment returns

How much would $1,000 invested in Winchester Bancorp Inc be worth today?

If you invested $1,000 in Winchester Bancorp Inc (WSBK) 1 years ago on 2025-07-30, your investment would be worth $1,364 as of 2026-07-28, representing a +36.4% total return, growing at a compounded rate of 36.6% per year (CAGR).

Has Winchester Bancorp Inc outperformed the S&P 500?

Comparison data requires at least 10 years of trading history. Use the calculator above to compare WSBK performance over available time periods.

What is Winchester Bancorp Inc's average annual return?

The compound annual growth rate (CAGR) of WSBK over the past 1 years is 36.6%, growing at a compounded rate each year. Individual years vary significantly — WSBK's best recent year was 2026 (+24.8%) and worst was 2025 (+12.4%).

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