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Eton Pharmaceuticals

ETON
76
Drug Manufacturers - Specialty & Generic · Healthcare
Price
$63.47
+3.56 (+5.94%)
Market Cap
$1.74B
Exchange
NASDAQ
Winston Score
76
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
Exceptional
Growth
Good
Cash Flow
Exceptional
Stability
Strong
Valuation
Good

Share count rising — dilution

+6.7% over 4y

The company has issued more shares over this period, which dilutes each existing shareholder’s stake.

Diluted shares outstanding: 25.2M (2021) → 26.9M (2025)

Winston Score History

The full picture

Eton Pharmaceuticals is a small specialty drug company that focuses on rare diseases, particularly conditions affecting children. It develops and sells prescription medicines for uncommon medical conditions where few treatment options exist. Its products include treatments for things like low sodium levels in the blood and certain hormonal disorders, sold mainly to hospitals, specialty pharmacies, and physicians in the United States.

Eton makes money by selling its approved drugs directly to the healthcare system, earning revenue each time a prescription is filled or a hospital orders its products. The company operates almost entirely in the US and, with a market cap around $1.1 billion, remains relatively small compared to major pharmaceutical firms. Its focus on rare, underserved conditions gives it some pricing power and less direct competition, but the main risk is its dependence on a small number of products — if sales of a key drug disappoint or a competitor enters the market, revenue could fall sharply.

Growth Profile

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

Revenue Growth

+98.6% YoY

YoY Growth Rate

Revenue accelerating

EPS Growth

+537.0% YoY

YoY Growth Rate

EPS growth accelerating

R&D Spend

$8M/ year

Rising (+139% vs prior year)

9.7% of revenue

Below sector average (18%)

R&D investment increasing — building for the future

Insider Activity

23.2%ownership

Flat

Insider ownership roughly steady over the past year

Cash Position

Cash flow positive

$27M cash & investments

Quarterly Free Cash Flow

↑ Burn rate improving

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

Revenue accelerating

Eton Pharmaceuticals grew revenue 99% 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

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Quality

Profit per sale
Gross Margin
67.6%
Premium pricing power — 67.6% gross margin
Profit after running costs
Operating Margin
34.0%
Excellent — 34.0% operating margin
Return on the money invested
ROCE
28.9%
Exceptional — 28.9% 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
+81.5%
Fast-growing sales (+81.5% YoY)
Profit growth
EPS YoY
N/A
Data not available
How steady the profit is
EPS Consistency
6/8 quarters
Earnings grew in most of the last 8 quarters

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Cash Flow

Profit that turns into cash
Cash Conversion
119%
Turns 119% of profit into real cash
Spare cash per sale
FCF Margin
13.9%
Converts sales into free cash efficiently (13.9%)

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
0.21
Conservative — low debt load (0.21)
Covers its interest
Interest Cover
6.14x
Adequate interest coverage (6.1x)

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

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Valuation

Price vs profit
P/E Ratio (TTM)
136.5x
Expensive — P/E 136.5

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

Cheaper or dearer next year
P/E vs Forward
+123.3
GROWING
Earnings expected to grow meaningfully — cheaper on forward P/E (136.5 → 13.2)

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Dividends

Not applicable for this business.
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