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Coherent

COHR
47
Hardware, Equipment & Parts · Technology
Winston Score
47
Winston is serious
Mixed quality — meaningful strengths and weaknesses.
Data as of Aug 23, 2026 · filings through Jun 30, 2026
How the score breaks down
Quality
Mixed
Growth
Strong
Cash Flow
Weak
Stability
Strong
Valuation
Good

Winston Score History

The full picture

Coherent makes the lasers, optical components, and electronic parts that power fiber-optic networks, data centers, and industrial machines. Its products move data through the internet at high speeds and are used by telecom companies, cloud computing giants like Microsoft and Google, and manufacturers. The company is one of the largest makers of compound semiconductors and optical networking hardware in the world.

Coherent earns money by selling hardware — physical components and modules — to a wide range of business customers across North America, Europe, and Asia. It is a large company with operations spanning multiple continents, and its competitive edge comes from owning hard-to-replicate manufacturing processes for specialized materials like indium phosphide and silicon carbide. The biggest growth driver right now is surging demand for high-speed data center connections tied to artificial intelligence infrastructure, but the company carries significant debt from its 2022 merger with II-VI, which remains a financial risk.

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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

+33.7% YoY

YoY Growth Rate

Revenue accelerating

EPS Growth

+248.2% YoY

YoY Growth Rate

Strong earnings growth

Insider Activity

4.5%ownership

Declining

Insider ownership declining — could be dilution or selling

Cash Runway

~12 months

$2.0B cash & investments

Quarterly Free Cash Flow

↓ Burn rate worsening

Adequate runway but may need to raise capital within 2 years

Revenue accelerating

Coherent grew revenue 34% 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
38.5%
Modest — 38.5% gross margin
Profit after running costs
Operating Margin
12.4%
Healthy — 12.4% operating margin
Return on the money invested
ROCE
5.5%
Weak — 5.5% return on capital

ROIC between 5% and 15%. They earn 5 to 15 cents back per year on every dollar invested.

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Growth

Sales growth
Sales YoY
+22.5%
Fast-growing sales (+22.5% YoY)
Profit growth
EPS YoY
N/A
Data not available
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
10%
Weak — only 10% of profit becomes cash
Spare cash per sale
FCF Margin
-14.4%
Burning cash (-14.4%)

Free cash flow is negative. They are burning cash, not generating it.

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Stability

What it owes vs what it owns
Debt / Equity
0.30
Conservative — low debt load (0.30)
Covers its interest
Interest Cover
4.06x
Adequate interest coverage (4.1x)

Interest coverage between 3 and 8. Profits cover interest several times over.

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Valuation

Price vs profit
P/E Ratio (TTM)
66.7x
no trend
Expensive — P/E 66.7

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

Cheaper or dearer next year
P/E vs Forward
+37.5
GROWING
Earnings expected to grow meaningfully — cheaper on forward P/E (66.7 → 29.2)

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Dividends

Not applicable for this business.
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