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Shattuck Labs

STTK
8
Biotechnology · Healthcare
Price
$7.53
+0.28 (+3.86%)
Market Cap
$680.5M
Exchange
NASDAQ
Winston Score
8
Winston is worried
Weak fundamentals across most pillars.
Based on the IPO prospectus (annual filing). This score will refine automatically once the company reports its first quarters.
Data as of Aug 23, 2026 · filings through Jun 30, 2026
How the score breaks down
Quality
Weak
Growth
Weak
Cash Flow
Weak
Stability
Good
Valuation
Data not available

Share count rising — dilution

+65.6% over 4y

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

Diluted shares outstanding: 42.0M (2021) → 69.6M (2025)

Winston Score History

The full picture

Shattuck Labs is a clinical-stage biotechnology company that develops experimental drugs to treat cancer and autoimmune diseases. Its core technology is a platform called Agonistic Redirecting Checkpoint (ARC), which creates fusion proteins — molecules engineered to do two jobs at once inside the immune system. The company's main customers are eventually patients and healthcare providers, but right now it primarily works with clinical trial participants and research partners.

Shattuck Labs does not yet sell any approved products, so it earns no meaningful product revenue. It is funded mainly through equity raises and partnership deals, which is typical for early-stage biotech companies. Based in Austin, Texas, it operates primarily in the United States with a small team and a market cap of roughly $300 million. The biggest risk the company faces is clinical failure — if its lead drug candidates do not prove safe and effective in ongoing trials, the company would need to raise more cash or scale back operations significantly.

Growth Profile

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

Revenue Growth

YoY Growth Rate

Revenue data limited

EPS Growth

+50.0% YoY

YoY Growth Rate

EPS growth accelerating

R&D Spend

$35M/ year

Declining (-48% vs prior year)

>1,000% of revenue

196.0x the sector average (18%)

R&D spend declining — could signal cost-cutting or efficiency

Insider Activity

5.6%ownership

Flat

Insider ownership roughly steady over the past year

Cash Runway

~18 months

$63M cash & investments

Quarterly Free Cash Flow

↑ Burn rate improving

Adequate runway but may need to raise capital within 2 years

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
-195.1%
Thin — -195.1% gross margin
Profit after running costs
Operating Margin
-5150.8%
Losing money on operations — -5150.8%
Return on the money invested
ROCE
-61.3%
Weak — -61.3% 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
-82.5%
Shrinking sales (-82.5% YoY)
Profit growth
EPS YoY
N/A
Data not available
How steady the profit is
EPS Consistency
N/A
Data not available

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Cash Flow

Profit that turns into cash
Cash Conversion
N/A
Data not available
Spare cash per sale
FCF Margin
-3995.3%
Burning cash (-3995.3%)

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
0.02
Conservative — low debt load (0.02)
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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