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Natera

NTRA
32
Medical - Diagnostics & Research · Healthcare
Price
$332.03
+7.19 (+2.21%)
Market Cap
$47.55B
Exchange
NASDAQ
Winston Score
32
Winston is serious
Below-average fundamentals — multiple weak pillars.
Data as of Aug 23, 2026 · filings through Jun 30, 2026
How the score breaks down
Quality
Mixed
Growth
Good
Cash Flow
Weak
Stability
Good
Valuation
Data not available

Share count rising — dilution

+51.0% over 4y

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

Diluted shares outstanding: 90.6M (2021) → 136.7M (2025)

Winston Score History

The full picture

Natera is a genetic testing company that analyzes DNA to help doctors make better medical decisions. Its main products include Panorama, a prenatal test that checks unborn babies for chromosomal conditions, and Signatera, a test that detects tiny amounts of cancer DNA in a patient's blood to track whether cancer is returning. Its customers are primarily physicians, hospitals, and patients across the prenatal, oncology, and organ transplant markets.

Natera makes money by charging for each test it processes, with payment coming from insurance companies, government health programs like Medicare, and patients directly. The company operates mainly in the United States but is expanding internationally. Its competitive moat comes from proprietary testing technology and a large database of genetic information that improves test accuracy over time. Despite strong revenue growth and a 65% gross margin, Natera is still unprofitable, and its key challenge is converting that growth into consistent operating profits while competing against larger diagnostics companies.

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4 trades / 12mo

2 Congressional buys and 2 sells on NTRA in the last 12 months.

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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

+37.7% YoY

YoY Growth Rate

Strong revenue growth

EPS Growth

+36.5% YoY

YoY Growth Rate

EPS growth accelerating

R&D Spend

$624M/ year

Rising (+54% vs prior year)

27.1% of revenue

1.5x the sector average (18%)

Investing heavily in future products and technology

Insider Activity

4.4%ownership

Flat

Insider ownership roughly steady over the past year

Cash Runway

5+ years

Quarterly Free Cash Flow

↑ Burn rate improving

$1.1B cash & investments at current burn rate

Strong grower

Natera is growing revenue at 38% year-over-year. The Winston Score penalises unprofitable companies, but revenue at this pace tells a different story — this is a company still in "build mode."

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
64.5%
Premium pricing power — 64.5% gross margin
Profit after running costs
Operating Margin
-10.1%
Losing money on operations — -10.1%
Return on the money invested
ROCE
-15.2%
Weak — -15.2% return on capital

Negative ROIC means the business is losing money on every dollar invested in it.

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Growth

Sales growth
Sales YoY
+37.8%
Fast-growing sales (+37.8% YoY)
Profit growth
EPS YoY
N/A
Data not available
How steady the profit is
EPS Consistency
5/8 quarters
Mixed — about half the quarters showed growth

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Cash Flow

Profit that turns into cash
Cash Conversion
N/A
Data not available
Spare cash per sale
FCF Margin
2.6%
Thin free cash flow (2.6%)

FCF margin between 0% and 10%. Some cash from sales, but not a lot.

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Stability

What it owes vs what it owns
Debt / Equity
0.04
Conservative — low debt load (0.04)
Covers its interest
Interest Cover
N/A
Data not available

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Valuation

Price vs profit
P/E Ratio (TTM)
N/M
Negative earnings — P/E not meaningful
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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