Annexon

ANNX

Biotechnology · Healthcare

Price

$5.80

-0.09 (-1.53%)

Market Cap

$693.7M

Exchange

NASDAQ

Winston Score

–

No score yet — Winston is napping.

We couldn’t gather enough financial data to score this stock reliably.

Share count rising — dilution

+304.8% over 4y

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

Diluted shares outstanding: 38.3M (2021) → 155.1M (2025)

Annexon, Inc., a clinical-stage biopharmaceutical company, discovers and develops therapeutics for autoimmune, neurodegenerative, and ophthalmic disorders. The company's C1q is an initiating molecule of the classical complement pathway that targets distinct disease processes, such as antibody-mediated autoimmune disease and complement-mediated neurodegeneration. Its product candidates include ANX005, a monoclonal antibody, which is in Phase II/III clinical trials to treat patients with guillain-

Winston Score History

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

Revenue data limited

EPS Growth

+37.8% YoY

YoY Growth Rate

EPS growth accelerating

R&D Spend

$185M/ year

↑ Rising (+55% vs prior year)

R&D investment increasing — building for the future

Insider Activity

0.0%ownership

→ Flat

Insiders holding steady — not selling despite ability to

Cash Runway

~11 months

$175M cash & investments

Quarterly Free Cash Flow

↓ Burn rate worsening

Short runway — potential dilution ahead through share issuance

Cash watch

Annexon has less than a year of cash at its current burn rate. Growth investors should watch for potential share dilution from future fundraising — that directly reduces your ownership.

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

Gross Margin

N/A

—

Data not available

Operating Margin

N/A

—

Data not available

ROCE

-22.2%

Weak — -22.2% return on capital

Negative ROIC means the business is losing money on every dollar invested in it.

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Growth

Sales YoY

N/A

—

Data not available

EPS YoY

N/A

—

Data not available

EPS Consistency

0/8 quarters

Earnings rarely grow — volatile business

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Cash Flow

Cash Conversion

N/A

—

Data not available

FCF Margin

N/A

—

Data not available

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Stability

Debt / Equity

0.01

Conservative — low debt load (0.01)

Interest Cover

N/A

—

Data not available

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Valuation

P/E Ratio (TTM)

N/M

—

Negative earnings — P/E not meaningful

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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