Nyxoah S.A.

NYXH

Medical - Specialties · Healthcare

Price

$1.60

-0.04 (-2.44%)

Market Cap

$160.1M

Exchange

NASDAQ

Winston Score

Winston is worried

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

Mixed

Cash Flow

Weak

Stability

Mixed

Valuation

Data not available

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Share count rising — dilution

+60.2% over 4y

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

Diluted shares outstanding: 23.8M (2021) → 38.1M (2025)

Winston Score History

The full picture

Nyxoah S.A., a medical technology company, focuses on the development and commercialization of solutions to treat sleep disordered breathing conditions. It offers Genio system, a CE-Marked, patient-centric, and hypoglossal neurostimulation therapy to treat moderate to severe obstructive sleep apnea. The company was incorporated in 2009 and is headquartered in Mont-Saint-Guibert, Belgium.

Growth Profile

For growth stock investors

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

Revenue Growth

+472.8% YoY

YoY Growth Rate

Revenue accelerating

EPS Growth

-5.5% YoY

YoY Growth Rate

Earnings declining

R&D Spend

€43M/ year

↑ Rising (+25% vs prior year)

427.4% of revenue

23.7x the sector average (18%)

Investing heavily in future products and technology

Insider Activity

42.0%ownership

↑ Rising

Insiders increasing their stake — aligned with shareholders

Cash Runway

~14 months

€98M cash & investments

Quarterly Free Cash Flow

↓ Burn rate worsening

Adequate runway but may need to raise capital within 2 years

Revenue accelerating

Nyxoah S.A. grew revenue 473% 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.

Each metric is explained in plain language so you know exactly what you're looking at. Start your free trial now.

Quality

Profit per sale

Gross Margin

59.7%

Premium pricing power — 59.7% gross margin

Profit after running costs

Operating Margin

-268.2%

Losing money on operations — -268.2%

Return on the money invested

ROCE

-64.9%

Weak — -64.9% 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

+359.2%

Fast-growing sales (+359.2% YoY)

Profit growth

EPS YoY

N/A

—

Data not available

How steady the profit is

EPS Consistency

1/8 quarters

Earnings rarely grow — volatile business

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Cash Flow

Profit that turns into cash

Cash Conversion

N/A

—

Data not available

Spare cash per sale

FCF Margin

-337.5%

Burning cash (-337.5%)

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

0.61

Moderate — manageable debt (0.61)

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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