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

NB Bancorp, Inc. is the larger business by last-quarter revenue ($63.4M vs $6.4M, roughly 9.8× Winchester Bancorp, Inc.). Winchester Bancorp, Inc. runs the higher net margin — 16.7% vs 12.2%, a 4.5% gap on every dollar of revenue. On growth, Winchester Bancorp, Inc. posted the faster year-over-year revenue change (45.8% vs 33.9%).

NB Bancorp, Inc. is a U.S.-based bank holding company operating through its fully owned banking subsidiary. It provides a full range of retail and commercial banking services including various deposit products, consumer loans, residential mortgages, and small business financing solutions, primarily catering to individual and small-to-mid-sized enterprise customers across the New York metropolitan area.

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.

NBBK vs WSBK — Head-to-Head

Bigger by revenue
NBBK
NBBK
9.8× larger
NBBK
$63.4M
$6.4M
WSBK
Growing faster (revenue YoY)
WSBK
WSBK
+12.0% gap
WSBK
45.8%
33.9%
NBBK
Higher net margin
WSBK
WSBK
4.5% more per $
WSBK
16.7%
12.2%
NBBK

Income Statement — Q4 FY2025 vs Q2 FY2026

Metric
NBBK
NBBK
WSBK
WSBK
Revenue
$63.4M
$6.4M
Net Profit
$7.7M
$1.1M
Gross Margin
Operating Margin
23.5%
20.9%
Net Margin
12.2%
16.7%
Revenue YoY
33.9%
45.8%
Net Profit YoY
-50.6%
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
NBBK
NBBK
WSBK
WSBK
Q4 25
$63.4M
$6.4M
Q3 25
$51.7M
$5.8M
Q2 25
$51.2M
Q1 25
$47.4M
$4.4M
Q4 24
$47.3M
$4.4M
Q3 24
$42.6M
Q2 24
$41.7M
Q1 24
$42.1M
Net Profit
NBBK
NBBK
WSBK
WSBK
Q4 25
$7.7M
$1.1M
Q3 25
$15.4M
$962.0K
Q2 25
$14.6M
Q1 25
$12.7M
$305.0K
Q4 24
$15.6M
$373.0K
Q3 24
$8.4M
Q2 24
$9.5M
Q1 24
$8.7M
Operating Margin
NBBK
NBBK
WSBK
WSBK
Q4 25
23.5%
20.9%
Q3 25
38.6%
22.8%
Q2 25
36.6%
Q1 25
37.1%
8.5%
Q4 24
40.7%
9.4%
Q3 24
36.1%
Q2 24
28.3%
Q1 24
28.8%
Net Margin
NBBK
NBBK
WSBK
WSBK
Q4 25
12.2%
16.7%
Q3 25
29.7%
16.6%
Q2 25
28.5%
Q1 25
26.7%
7.0%
Q4 24
33.0%
8.4%
Q3 24
19.7%
Q2 24
22.7%
Q1 24
20.7%
EPS (diluted)
NBBK
NBBK
WSBK
WSBK
Q4 25
$0.19
$0.12
Q3 25
$0.43
$0.11
Q2 25
$0.39
Q1 25
$0.33
Q4 24
$0.40
Q3 24
$0.21
Q2 24
$0.24
Q1 24
$0.22

Balance Sheet & Financial Strength

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

Metric
NBBK
NBBK
WSBK
WSBK
Cash + ST InvestmentsLiquidity on hand
$54.8M
Total DebtLower is stronger
Stockholders' EquityBook value
$858.9M
$118.2M
Total Assets
$7.0B
$1.0B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NBBK
NBBK
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
NBBK
NBBK
WSBK
WSBK
Q4 25
$858.9M
$118.2M
Q3 25
$737.0M
$117.0M
Q2 25
$737.1M
Q1 25
$739.6M
$80.9M
Q4 24
$765.2M
$80.3M
Q3 24
$747.4M
Q2 24
$734.3M
Q1 24
$733.8M
Total Assets
NBBK
NBBK
WSBK
WSBK
Q4 25
$7.0B
$1.0B
Q3 25
$5.4B
$1.0B
Q2 25
$5.2B
Q1 25
$5.2B
$923.1M
Q4 24
$5.2B
$894.1M
Q3 24
$5.0B
Q2 24
$4.8B
Q1 24
$4.7B

Cash Flow & Capital Efficiency

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

Metric
NBBK
NBBK
WSBK
WSBK
Operating Cash FlowLast quarter
$60.8M
$1.6M
Free Cash FlowOCF − Capex
$57.4M
FCF MarginFCF / Revenue
90.6%
Capex IntensityCapex / Revenue
5.4%
Cash ConversionOCF / Net Profit
7.89×
1.44×
TTM Free Cash FlowTrailing 4 quarters
$117.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NBBK
NBBK
WSBK
WSBK
Q4 25
$60.8M
$1.6M
Q3 25
$24.2M
$1.4M
Q2 25
$27.0M
Q1 25
$9.9M
$848.0K
Q4 24
$43.2M
Q3 24
$8.6M
Q2 24
$24.7M
Q1 24
$-11.4M
Free Cash Flow
NBBK
NBBK
WSBK
WSBK
Q4 25
$57.4M
Q3 25
$23.9M
Q2 25
$26.1M
Q1 25
$9.8M
Q4 24
$41.3M
Q3 24
$8.4M
Q2 24
$23.8M
Q1 24
$-11.7M
FCF Margin
NBBK
NBBK
WSBK
WSBK
Q4 25
90.6%
Q3 25
46.3%
Q2 25
51.0%
Q1 25
20.8%
Q4 24
87.2%
Q3 24
19.7%
Q2 24
57.1%
Q1 24
-27.7%
Capex Intensity
NBBK
NBBK
WSBK
WSBK
Q4 25
5.4%
Q3 25
0.6%
Q2 25
1.9%
Q1 25
0.2%
Q4 24
4.1%
Q3 24
0.5%
Q2 24
2.1%
Q1 24
0.6%
Cash Conversion
NBBK
NBBK
WSBK
WSBK
Q4 25
7.89×
1.44×
Q3 25
1.58×
1.41×
Q2 25
1.85×
Q1 25
0.79×
2.78×
Q4 24
2.77×
Q3 24
1.03×
Q2 24
2.61×
Q1 24
-1.31×

Financial Flow Comparison

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

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