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Cornerstone Bancorp

CNBP
68
Banks - Regional · Financial Services
Winston Score
68
Winston is curious
A decent business — some strong pillars, some weaker.
Data as of Aug 23, 2026 · filings through Mar 31, 2026
How the score breaks down
Bank Quality
Good
Growth
Exceptional
Capital Strength
Strong
Asset Quality
Exceptional
Valuation
Good

Winston Score History

The full picture

Cornerstone Bancorp Inc. is a small regional bank holding company based in the United States. It offers everyday banking services like checking and savings accounts, loans, and mortgages, mainly to individuals and small businesses in its local communities. Regional banks like Cornerstone focus on serving customers in a specific geographic area rather than competing nationally.

The company makes money primarily through net interest income, which means it earns more on the loans it gives out than it pays on deposits. With a market cap of around $100 million, it is a very small bank, and its competitive position depends heavily on local relationships and community trust rather than scale or technology. The main risk for a bank this size is that rising interest rates, loan defaults, or competition from larger banks and fintech companies could pressure its profit margins and limit its ability to grow.

Growth Profile

When traditional metrics don't capture the full picture, these are the signals growth stock investors use instead.

Revenue Growth

YoY Growth Rate

Revenue data limited

EPS Growth

+1.6% YoY

YoY Growth Rate

Slow EPS growth

Insider Activity

100.0%ownership

Flat

Insider ownership roughly steady over the past year

Cash Position

Cash flow positive

$0 cash & investments

Company generates more cash than it spends — no dilution risk from fundraising

The Winston Score above measures business quality today. Growth stocks often score lower because they invest in the future rather than maximising current profits. These metrics show what matters most for evaluating that future.

Score breakdown

Every number that matters to educated investors.

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Bank Quality

Return on owners' money
Return on Equity
10.2%
no trend
Solid — 10.2% return on equity

Standard mid-range return on equity. Acceptable.

Profit on lending
Net Interest Margin
3.94%
no trend
Wide spread — 3.94% net interest margin
Cost of running the bank
Efficiency Ratio
66.1%
no trend
Bloated cost base — 66.1% efficiency ratio

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Growth

Sales growth
Sales YoY
+262.2%
Fast-growing sales (+262.2% YoY)
Profit growth
EPS YoY
+12.0%
Earnings growing (+12.0% YoY)

Healthy double-digit earnings growth — what compounders look like.

How steady the profit is
EPS Consistency
7/8 quarters
Every recent quarter grew earnings vs last year

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Capital Strength

Safety cushion
Capital Ratio
11.7%
no trend
Well capitalised — 11.7% CET1

A solid capital cushion. The bank can take some loan losses and keep going.

Asset Quality

Loans not being repaid
Non-Performing Loans
0.03%
no trend
Clean loan book — 0.03% non-performing

Under half a percent of loans are going bad. A very clean loan book.

Loans written off
Net Charge-Offs
0.00%
no trend
Minimal losses — 0.00% net charge-offs

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Valuation

Price vs profit
P/E Ratio (TTM)
10.2x
no trend
Attractive valuation — P/E 10.2

P/E in the normal range. Price is roughly $15 for every $1 of yearly profit.

Cheaper or dearer next year
P/E vs Forward
N/A
not available
Data not available

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Dividends

Not applicable for this business.
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