WinstonWınston
Stock

Valneva SE

VALN
11
Biotechnology · Healthcare
Also trades as: 0OB3.L GBP 0.03 (+1.99%)
Price
$5.82
+0.07 (+1.31%)
Market Cap
$551.4M
Exchange
NASDAQ
Winston Score
11
Winston is worried
Weak fundamentals across most pillars.
Data as of Oct 5, 2026 · filings through Jun 30, 2026

§How the score breaks down

Quality
Weak
1/30
Growth
Weak
2/20
Cash Flow
Weak
0/10
Stability
Weak
1/10
Valuation
Data not available
0/10
Ownership
Mixed
6/15
Dividends
Not counted
n/a

10 of 95 counted points = Winston Score 11. Pillars marked n/a do not apply to this company and are left out of the total.

Share count rising — dilution

+72.3% over 4y

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

Diluted shares outstanding: 48.8M (2021) → 84.1M (2025)

§Winston Score History

The full picture

Valneva SE is a French biotechnology company that makes vaccines for infectious diseases. Its most important product is IXCHIQ, a vaccine for chikungunya — a painful viral illness spread by mosquitoes — which became the first approved chikungunya vaccine in the world when the U.S. FDA cleared it in late 2023. The company also sells IXIARO, a travel vaccine for Japanese encephalitis, primarily to military and travel medicine customers.

Valneva earns money by selling its approved vaccines to governments, militaries, and travel health clinics, mainly in the United States and Europe. It is a small company with a market cap around $500 million, and its main competitive edge is being the only maker of an approved chikungunya vaccine. However, the company is currently losing money — its operating margin is deeply negative — and the key risk is whether IXCHIQ can achieve broad commercial adoption fast enough to offset ongoing research and operating costs.

Growth Profile

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

Revenue Growth

-26.5% YoY

YoY Growth Rate

Revenue declining

EPS Growth

-126.7% YoY

YoY Growth Rate

Earnings declining

R&D Spend

€85M/ year

↑ Rising (+15% vs prior year)

48.8% of revenue

2.7x the sector average (18%)

Investing heavily in future products and technology

Insider Activity

4.7%ownership

→ Flat

Insider ownership roughly steady over the past year

Cash Runway

~19 months

€121M cash & investments

Quarterly Free Cash Flow

↑ Burn rate improving

Adequate runway but may need to raise capital within 2 years

Heavy R&D investment

Valneva SE is putting 49% of revenue into R&D and that number is rising. That's 2.7x the sector average.

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
4.6%
Thin — 4.6% gross margin
Profit after running costs
Operating Margin
-77.8%
Losing money on operations — -77.8%
Return on the money invested
ROCE
-43.4%
Weak — -43.4% 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
-26.9%
Shrinking sales (-26.9% YoY)
Profit growth
EPS YoY
N/A
Data not available
How steady the profit is
EPS Consistency
2/8 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
-59.7%
Burning cash (-59.7%)

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
2.30
Heavy debt load (2.30)
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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