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Dyne Therapeutics

DYN
Biotechnology · Healthcare
Price
$26.10
+0.12 (+0.46%)
Market Cap
$4.87B
Exchange
NASDAQ
Winston Score
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No score yet — Winston is napping.
We couldn’t gather enough financial data to score this stock reliably.

Share count rising — dilution

+152.4% over 4y

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

Diluted shares outstanding: 50.9M (2021) → 128.4M (2025)

Winston Score History

The full picture

Dyne Therapeutics is a biotechnology company focused on developing medicines for rare muscle diseases. Its main programs target myotonic dystrophy type 1 (DM1) and Duchenne muscular dystrophy (DMD) — serious genetic conditions that weaken muscles over time. The company's patients are people born with these inherited diseases, and there are currently very few effective treatments available for either condition.

Dyne makes no revenue yet, as all of its drug candidates are still in clinical trials. It is a US-based company headquartered in Watertown, Massachusetts, and it funds its operations through equity raises and partnerships rather than product sales. Its core technology, called FORCE, is designed to deliver RNA-based therapies directly into muscle tissue more effectively than older approaches — which is its main competitive differentiator. The key growth driver is clinical trial success, particularly for its lead DM1 program; failure in late-stage trials would be the most significant risk to the business.

Growth Profile

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

Revenue Growth

Revenue data limited

EPS Growth

-11.3% YoY

YoY Growth Rate

Earnings declining

R&D Spend

$398M/ year

Rising (+42% vs prior year)

R&D investment increasing — building for the future

Insider Activity

18.4%ownership

Declining

Insider ownership declining — could be dilution or selling

Cash Runway

~20 months

$898M cash & investments

Quarterly Free Cash Flow

↓ Burn rate worsening

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

Every number that matters to educated investors.

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Quality

Profit per sale
Gross Margin
N/A
Data not available
Profit after running costs
Operating Margin
N/A
Data not available
Return on the money invested
ROCE
-74.4%
Weak — -74.4% 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
N/A
Data not available
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
N/A
Data not available

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Stability

What it owes vs what it owns
Debt / Equity
0.03
Conservative — low debt load (0.03)
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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