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Immunocore Holdings

IMCR
27
Biotechnology · Healthcare
Price
$36.88
+0.60 (+1.65%)
Market Cap
$1.87B
Exchange
NASDAQ
Winston Score
27
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
Good
Cash Flow
Weak
Stability
Mixed
Valuation
Data not available

Share count rising — dilution

+14.8% over 4y

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

Diluted shares outstanding: 43.9M (2021) → 50.3M (2025)

Winston Score History

The full picture

Immunocore is a British biotechnology company that makes a new type of cancer-fighting drug called ImmTAC (Immune mobilizing monoclonal TCRs Against Cancer). These drugs work by connecting a patient's immune cells directly to cancer cells so the immune system can destroy them. The company's first approved product, Kimmtrak, treats a rare form of eye cancer called uveal melanoma, and its customers are hospitals and cancer treatment centers.

Immunocore earns money by selling Kimmtrak to healthcare systems, primarily in the United States and Europe. Despite being a small company with only one commercial product, it has a very high gross margin near 99%, meaning the drug itself is profitable — though the company is still spending heavily on research, keeping overall profits thin. The key growth driver is expanding Kimmtrak's use and advancing its pipeline of ImmTAC drugs into more common cancers, while the main risk is heavy dependence on a single drug treating a very small patient population.

Growth Profile

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

Revenue Growth

+18.3% YoY

YoY Growth Rate

Steady revenue growth

EPS Growth

+92.4% YoY

YoY Growth Rate

Strong earnings growth

R&D Spend

$204M/ year

Rising (+15% vs prior year)

68.7% of revenue

3.8x the sector average (18%)

Investing heavily in future products and technology

Insider Activity

1.0%ownership

Flat

Insider ownership roughly steady over the past year

Cash Runway

5+ years

Quarterly Free Cash Flow

↓ Burn rate worsening

$880M cash & investments at current burn rate

Heavy R&D investment

Immunocore Holdings is putting 69% of revenue into R&D and that number is rising. That's 3.8x the sector average. With 10+ years of cash runway, they have time to let it pay off.

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
99.1%
Premium pricing power — 99.1% gross margin
Profit after running costs
Operating Margin
-2.6%
Losing money on operations — -2.6%
Return on the money invested
ROCE
-2.1%
Weak — -2.1% 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
+13.4%
Fast-growing sales (+13.4% 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
N/A
Data not available
Spare cash per sale
FCF Margin
-15.5%
Burning cash (-15.5%)

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
0.94
Moderate — manageable debt (0.94)
Covers its interest
Interest Cover
N/A
Data not available

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Valuation

Price vs profit
P/E Ratio (TTM)
N/M
no trend
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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