What is the 13F Pro Quality Score for WSBK?

13F Pro ranks Winchester Bancorp, Inc./MD/ (WSBK) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View WSBK's current score at https://13fpro.ai/company/WSBK (free sign-up required for the full ranking).

Where does 13F Pro source WSBK data?

All Winchester Bancorp, Inc./MD/ fundamentals and ownership data come directly from SEC EDGAR. Winchester Bancorp, Inc./MD/ files with the SEC under CIK 2047235. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is WSBK in?

Winchester Bancorp, Inc./MD/ (WSBK) is classified in the Financials sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/financials.

How often is WSBK research updated on 13F Pro?

WSBK's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

Winchester Bancorp, Inc./MD/(WSBK)Stock Analysis

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13F Pro Quality Score

39.4/100

Rank #2,074 of 3,064 stocks

View Financials peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Nov 14, 2026.

Revenue Growth

30.0/100

Profitability

30.0/100

Balance Sheet

35.7/100

Earnings Quality

84.9/100

Free Cash Flow

30.0/100

Institutional Flow

28.0/100

Revenue Scale

30.0/100

Dilution Risk

94.7/100

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Why WSBK Scores 39/100

exact factor attribution · 2026-08-23

WSBK's composite is driven by earnings quality and earnings growth, held back by revenue growth and scale. Bars show each factor's exact push vs. a median company, using the same weights the ranking engine applies.

Earnings quality

+3.5 pts

85th pct

Earnings growth

+3.1 pts

97th pct

Shareholder dilution

+3.0 pts

95th pct

Institutional flow

-1.5 pts

28th pct

Capital efficiency

-1.9 pts

36th pct

Free cash flow

-3.0 pts

30th pct

Profitability

-4.0 pts

30th pct

Scale

-4.0 pts

30th pct

Revenue growth

-5.3 pts

30th pct

Factor percentiles are cross-sectional ranks across the ~2,800-stock scored universe, computed from SEC EDGAR filings. Not investment advice.

WSBK Stock Analysis & AI Quality Score

Data updated 2026-08-23

AI stock analysis and institutional research for Winchester Bancorp, Inc./MD/ (WSBK), a Financials sector company. 13F Pro's AI-powered ranking engine scores WSBK at 39.4/100 on a 32-signal composite quality model, placing it at rank #2,074 of 3,064 stocks — the bottom half of the AI-ranked universe. WSBK scores in the top quartile across earnings quality (84.9). Areas of concern include institutional flow (28.0) and revenue growth (30.0), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q1 2026), Winchester Bancorp, Inc./MD/ reports quarterly revenue of $6.7M, net income of $1.1M, an operating margin of 22.4%. Top institutional holders of WSBK by reported 13-F value include MANGROVE PARTNERS IM, VANGUARD CAPITAL MANAGEMENT, Integrated Wealth Concepts, based on the most recent SEC filings. WSBK trades on the Nasdaq exchange and files with the SEC under CIK 2047235. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate WSBK daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for Winchester Bancorp, Inc./MD/ directly from SEC EDGAR.

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Fun facts about Winchester Bancorp, Inc./MD/

Quirks, history, and lore behind WSBK — the kind of stuff that makes a stock memorable.

1
The Basics
A community bank holding company · small-cap · headquartered in Maryland · serving its local region with traditional retail banking services.
2
The Numbers
A micro-cap institution with a relatively modest asset base — the kind of bank where the branch manager probably knows your name and your dog's name.
3
The History
Rooted in the community banking tradition of the mid-Atlantic United States, it has served its local market through the kind of slow, steady growth that doesn't make headlines but keeps the lights on.
4
The Secret
It trades on the OTC markets rather than a major exchange — the domain of smaller institutions that keep things quietly local and off Wall Street's radar.
5
The Lore
Its home city sits in the Shenandoah Valley region of Maryland, a historic area that gives this bank the kind of small-town prestige that community lenders love to lean on.
6
The Giveaway
Named after its home city of Winchester and structured as a Maryland-chartered bancorp — this is as locally branded as a bank can get without painting the vault with a town map.

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Revenue

Q1 2026

$6.7M

Net Income

Q1 2026

$1.1M

Operating Margin

Q1 2026

22.4%

ROIC

Q1 2026

5.0%

Period

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro

Revenue

+19.6% YoY

$19.3MFY 2025

FY23 —FY24 $16.2MFY25 $19.3M

Net Income

-211.2% YoY

$-874.0KFY 2025

FY23 —FY24 $786.0KFY25 $-874.0K

EPS (Diluted)

$-0.09FY 2025

FY23 —FY24 —FY25 $-0.09

Total Assets

+11.3% YoY

$949.4MFY 2025

FY23 —FY24 $853.0MFY25 $949.4M

Op. Cash Flow

+967.1% YoY

$2.5MFY 2025

FY23 —FY24 $231.0KFY25 $2.5M

Metric	FY 2025	FY 2024	FY 2023
Revenue	$19.3M +19.6%	$16.2M	—
Net Income	$-874.0K -211.2%	$786.0K	—
EPS (Diluted)	$-0.09	—	—
Total Assets	$949.4M +11.3%	$853.0M	—
Operating Cash Flow	$2.5M +967.1%	$231.0K	—

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Available Research

13F Pro tracks comprehensive data for Winchester Bancorp, Inc./MD/ including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of WSBK

MANGROVE PARTNERS IM, LLC
$2.4M186,201 sh
VANGUARD CAPITAL MANAGEMENT LLC
$2.4M178,941 sh
Integrated Wealth Concepts LLC
$1.1M82,000 sh
Northstar Financial Companies, Inc.
$919.8K70,000 sh
Oppenheimer & Close, LLC
$657.0K50,000 sh
RENAISSANCE TECHNOLOGIES LLC
$412.6K31,400 sh
GEODE CAPITAL MANAGEMENT, LLC
$381.8K29,037 sh
ALLIANCEBERNSTEIN L.P.
$313.1K24,656 sh
VANGUARD FIDUCIARY TRUST CO
$298.4K22,708 sh
RAYMOND JAMES FINANCIAL INC
$262.8K20,000 sh

Fund	Value	Shares
MANGROVE PARTNERS IM, LLC	$2.4M	186,201
VANGUARD CAPITAL MANAGEMENT LLC	$2.4M	178,941
Integrated Wealth Concepts LLC	$1.1M	82,000
Northstar Financial Companies, Inc.	$919.8K	70,000
Oppenheimer & Close, LLC	$657.0K	50,000
RENAISSANCE TECHNOLOGIES LLC	$412.6K	31,400
GEODE CAPITAL MANAGEMENT, LLC	$381.8K	29,037
ALLIANCEBERNSTEIN L.P.	$313.1K	24,656
VANGUARD FIDUCIARY TRUST CO	$298.4K	22,708
RAYMOND JAMES FINANCIAL INC	$262.8K	20,000

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Is WSBK a good stock to buy?

13F Pro's AI-powered analysis of Winchester Bancorp, Inc./MD/ (WSBK) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Financials sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for WSBK are available on the WSBK stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing. WSBK is classified as a small company.

Which hedge funds own WSBK?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling WSBK. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of Winchester Bancorp, Inc./MD/'s investment landscape.