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Sterling Infrastructure

STRL
72
Engineering & Construction · Industrials
Exchange
NASDAQ
Winston Score
72
Winston is happy
A high-quality business with solid fundamentals.
Data as of Aug 23, 2026 · filings through Jun 30, 2026
How the score breaks down
Quality
Good
Growth
Exceptional
Cash Flow
Exceptional
Stability
Exceptional
Valuation
Good

Winston Score History

The full picture

Sterling Infrastructure builds things that people and businesses depend on every day. The company works in three main areas: data center construction, e-commerce warehouse floors and foundations, and traditional infrastructure like roads, highways, and underground utilities. Its customers include large technology companies, logistics firms, and government agencies across the United States.

Sterling makes money by winning contracts to design and build these projects, earning revenue as work is completed over time. The company operates almost entirely in the US, with a growing focus on high-margin data center and warehouse work that now drives a large share of its profits. Its competitive edge comes from specialized expertise in concrete foundations and e-infrastructure, which are harder to replicate than basic road paving. The key growth driver is continued demand for data centers tied to artificial intelligence and cloud computing expansion, though a slowdown in tech capital spending or a drop in construction activity could pressure future revenue.

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Growth Profile

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

Revenue Growth

+90.1% YoY

YoY Growth Rate

Revenue accelerating

EPS Growth

+118.0% YoY

YoY Growth Rate

EPS growth accelerating

Insider Activity

2.4%ownership

Flat

Insider ownership roughly steady over the past year

Cash Position

Cash flow positive

$566M cash & investments

Quarterly Free Cash Flow

→ Burn rate stable

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

Revenue accelerating

Sterling Infrastructure grew revenue 90% year-over-year and the growth rate is speeding up. That's the kind of momentum growth investors look for — the question is whether margins can follow.

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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Quality

Profit per sale
Gross Margin
24.2%
Thin — 24.2% gross margin
Profit after running costs
Operating Margin
19.8%
Healthy — 19.8% operating margin
Return on the money invested
ROCE
37.5%
Exceptional — 37.5% return on capital

ROIC above 25%. Every dollar invested in the business earns more than 25 cents back per year.

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Growth

Sales growth
Sales YoY
+60.8%
Fast-growing sales (+60.8% YoY)
Profit growth
EPS YoY
+51.2%
Earnings growing fast (+51.2% YoY)

Earnings growing 25%+ a year. The compounder zone.

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

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Cash Flow

Profit that turns into cash
Cash Conversion
138%
Turns 138% of profit into real cash
Spare cash per sale
FCF Margin
14.0%
Converts sales into free cash efficiently (14.0%)

FCF margin between 10% and 20%. Every $100 in sales becomes $10 to $20 in real cash.

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Stability

What it owes vs what it owns
Debt / Equity
0.22
Conservative — low debt load (0.22)
Covers its interest
Interest Cover
37.26x
Comfortably covers interest (37.3x)

Interest coverage above 8. Profits cover interest many times over.

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Valuation

Price vs profit
P/E Ratio (TTM)
36.8x
no trend
Pricey — P/E 36.8

P/E over 35. The market is pricing in heavy, sustained growth.

Cheaper or dearer next year
P/E vs Forward
+18.0
GROWING
Earnings expected to grow meaningfully — cheaper on forward P/E (36.8 → 18.9)

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Dividends

Not applicable for this business.
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