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Side-by-side financial comparison of Marathon Bancorp, Inc. (MBBC) and Winchester Bancorp, Inc. (WSBK). Click either name above to swap in a different company.

Winchester Bancorp, Inc. is the larger business by last-quarter revenue ($6.4M vs $2.2M, roughly 2.9× Marathon Bancorp, Inc.). Marathon Bancorp, Inc. runs the higher net margin — 22.3% vs 16.7%, a 5.6% gap on every dollar of revenue. On growth, Winchester Bancorp, Inc. posted the faster year-over-year revenue change (45.8% vs 41.7%).

Marathon Bancorp, Inc. is a Maryland-based financial holding company that primarily operates through its community bank subsidiary. It offers a full range of retail and commercial banking products including deposit accounts, consumer loans, commercial mortgages, and small business financing, serving individual and small-to-medium enterprise customers across local markets in Maryland.

Winchester Bancorp, Inc. (Maryland) is a regional bank holding company operating community banking outlets across Maryland. It provides a full range of retail and commercial financial services, including deposit accounts, mortgage loans, small business loans, and wealth management solutions, serving individual consumers and local small to medium-sized enterprise clients.

MBBC vs WSBK — Head-to-Head

Bigger by revenue
WSBK
WSBK
2.9× larger
WSBK
$6.4M
$2.2M
MBBC
Growing faster (revenue YoY)
WSBK
WSBK
+4.2% gap
WSBK
45.8%
41.7%
MBBC
Higher net margin
MBBC
MBBC
5.6% more per $
MBBC
22.3%
16.7%
WSBK

Income Statement — Q2 FY2026 vs Q2 FY2026

Metric
MBBC
MBBC
WSBK
WSBK
Revenue
$2.2M
$6.4M
Net Profit
$501.4K
$1.1M
Gross Margin
Operating Margin
26.2%
20.9%
Net Margin
22.3%
16.7%
Revenue YoY
41.7%
45.8%
Net Profit YoY
880.7%
187.9%
EPS (diluted)
$0.19
$0.12

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
MBBC
MBBC
WSBK
WSBK
Q4 25
$2.2M
$6.4M
Q3 25
$2.1M
$5.8M
Q2 25
$1.9M
Q1 25
$1.7M
$4.4M
Q4 24
$1.6M
$4.4M
Q3 24
$1.6M
Q2 24
$1.6M
Q1 24
$1.6M
Net Profit
MBBC
MBBC
WSBK
WSBK
Q4 25
$501.4K
$1.1M
Q3 25
$444.3K
$962.0K
Q2 25
$-332.0K
Q1 25
$148.4K
$305.0K
Q4 24
$51.1K
$373.0K
Q3 24
$174.9K
Q2 24
$85.8K
Q1 24
$-631.1K
Operating Margin
MBBC
MBBC
WSBK
WSBK
Q4 25
26.2%
20.9%
Q3 25
25.5%
22.8%
Q2 25
-25.7%
Q1 25
11.6%
8.5%
Q4 24
3.3%
9.4%
Q3 24
13.4%
Q2 24
4.1%
Q1 24
-53.7%
Net Margin
MBBC
MBBC
WSBK
WSBK
Q4 25
22.3%
16.7%
Q3 25
20.7%
16.6%
Q2 25
-18.9%
Q1 25
8.9%
7.0%
Q4 24
3.2%
8.4%
Q3 24
10.8%
Q2 24
6.2%
Q1 24
-40.7%
EPS (diluted)
MBBC
MBBC
WSBK
WSBK
Q4 25
$0.19
$0.12
Q3 25
$0.17
$0.11
Q2 25
$-0.13
Q1 25
$0.07
Q4 24
$0.02
Q3 24
$0.06
Q2 24
$0.07
Q1 24
$-0.31

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
MBBC
MBBC
WSBK
WSBK
Cash + ST InvestmentsLiquidity on hand
$54.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$46.9M
$118.2M
Total Assets
$248.0M
$1.0B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MBBC
MBBC
WSBK
WSBK
Q4 25
$54.8M
Q3 25
$57.7M
Q2 25
Q1 25
$66.6M
Q4 24
$41.5M
Q3 24
Q2 24
Q1 24
Stockholders' Equity
MBBC
MBBC
WSBK
WSBK
Q4 25
$46.9M
$118.2M
Q3 25
$46.3M
$117.0M
Q2 25
$45.7M
Q1 25
$32.0M
$80.9M
Q4 24
$31.7M
$80.3M
Q3 24
$31.6M
Q2 24
$31.3M
Q1 24
$31.4M
Total Assets
MBBC
MBBC
WSBK
WSBK
Q4 25
$248.0M
$1.0B
Q3 25
$246.0M
$1.0B
Q2 25
$238.8M
Q1 25
$236.8M
$923.1M
Q4 24
$217.9M
$894.1M
Q3 24
$216.5M
Q2 24
$219.3M
Q1 24
$225.8M

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
MBBC
MBBC
WSBK
WSBK
Operating Cash FlowLast quarter
$1.4M
$1.6M
Free Cash FlowOCF − Capex
$1.4M
FCF MarginFCF / Revenue
62.3%
Capex IntensityCapex / Revenue
0.6%
Cash ConversionOCF / Net Profit
2.82×
1.44×
TTM Free Cash FlowTrailing 4 quarters
$3.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MBBC
MBBC
WSBK
WSBK
Q4 25
$1.4M
$1.6M
Q3 25
$464.0K
$1.4M
Q2 25
$1.4M
Q1 25
$849.0K
$848.0K
Q4 24
$113.6K
Q3 24
$945.2K
Q2 24
$416.6K
Q1 24
$-802.1K
Free Cash Flow
MBBC
MBBC
WSBK
WSBK
Q4 25
$1.4M
Q3 25
$456.6K
Q2 25
$1.3M
Q1 25
$773.2K
Q4 24
$105.0K
Q3 24
$921.6K
Q2 24
$-1.8M
Q1 24
$-1.1M
FCF Margin
MBBC
MBBC
WSBK
WSBK
Q4 25
62.3%
Q3 25
21.3%
Q2 25
66.0%
Q1 25
46.3%
Q4 24
6.6%
Q3 24
57.1%
Q2 24
-118.5%
Q1 24
-67.9%
Capex Intensity
MBBC
MBBC
WSBK
WSBK
Q4 25
0.6%
Q3 25
0.3%
Q2 25
9.3%
Q1 25
4.5%
Q4 24
0.5%
Q3 24
1.5%
Q2 24
145.2%
Q1 24
16.2%
Cash Conversion
MBBC
MBBC
WSBK
WSBK
Q4 25
2.82×
1.44×
Q3 25
1.04×
1.41×
Q2 25
Q1 25
5.72×
2.78×
Q4 24
2.22×
Q3 24
5.40×
Q2 24
4.85×
Q1 24

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

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