Annexon, Inc.

Annexon, Inc.

ANNX·NASDAQ

$5.26

+2.5%
HealthcareBiotechnology

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- barré syndrome; Phase II trial in patients with warm autoimmune hemolytic anemia; and Phase II clinical trial for Huntington's disease and amyotrophic lateral sclerosis. The company is also developing ANX009 that is in Phase Ib trial in patients with lupus nephritis; and ANX007, which is in Phase II clinical trials to treat patients with geographic atrophy. In addition, it develops ANX105, an investigational monoclonal antibody targeting neurodegenerative indications; and ANX1502, an investigational oral small molecule for the treatment of certain autoimmune indications. The company was incorporated in 2011 and is headquartered in Brisbane, California.

At a Glance

Live Snapshot
Market Cap$629.07M
EPS-1.3400
P/E Ratio-3.77
Earnings Date08/13/2026

Intrinsic Alpha Methodology

Thesis Lenses

Signal · Driver · Risk

Signal

Medium confidence

Valuation multiple is compressed (P/E -3.8).

Valuation inputs: P/E -3.8, earnings yield N/A, momentum +2.5%.

If multiples stay elevated while momentum fades, downside repricing risk rises.

Driver

High confidence

Return profile is soft (ROE -97.7%, ROIC -91.0%).

Profitability stack: net margin 0.0%, ROE -97.7%, ROIC -91.0%.

Quality deterioration often appears in margins before it shows up in headline EPS.

Risk

High confidence

Risk profile is balanced but has notable pressure points to monitor.

Risk factors: liabilities/assets +23.7%, momentum +2.5%, net margin 0.0%.

Higher leverage with weak momentum and thin margins can amplify drawdown severity.

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Annexon, Inc. Market vs Earnings Trajectory

ANNX · NASDAQ

Loading price and EPS data...

Annexon, Inc.

Annexon, Inc. Fair Value Envelope

ANNX · NASDAQ

Our analysis suggests that ANNX has a fair value of HIDDEN per share in the Base Case projection. With shares currently trading at $5.26, this represents a potential HIDDEN relative to our calculated worth for Annexon, Inc..

Intrinsic Value
Current Price: $5.26
3Y-48.0%
5Y-64.0%
10Y+173.0%

No Revenue Data

ANNX has not reported any revenue values in the available annual periods.

3Y+46.0%
5Y+226.0%
10Y+1005.0%
3Y+60.0%
5Y+251.0%
10Y+868.0%
3Y+52.0%
5Y+248.0%
10Y+841.0%
3Y-3.0%
5Y-22.0%
10Y+3449.0%
Annexon, Inc.

Annexon, Inc. Profit Bridge

ANNX · NASDAQ
Revenue0.00
Cost of Goods Sold (3.69M)
Gross Profit-3.69M
Operating Expenses (212.72M)
Operating Income-216.41M
Interest Expense (0.00)
Other Income/Expense9.72M
Pretax Income-206.69M
Income Tax (0.00)
Net Income-206.69M
Net Income
-206.69M

Profitability Analysis

No Gross Profit Margin Data

ANNX has not reported any gross profit margin values in the available annual periods.

No Operating Profit Margin Data

ANNX has not reported any operating profit margin values in the available annual periods.

No Net Profit Margin Data

ANNX has not reported any net profit margin values in the available annual periods.

-97.66%
Return on Equity
107%
3Y+59.0%
5Y+430.0%
10Y-341.0%
-74.46%
Return on Assets
89%
3Y+50.0%
5Y+318.0%
10Y-69.0%
-90.98%
Return on Invested Capital
90%
3Y+65.0%
5Y+395.0%
10Y-78.0%
ANNX

Annexon, Inc. Cash Conversion Engine

ANNX · NASDAQ
Net Income-206.69M
Depreciation & Amortization2.17M
Stock-Based Compensation16.42M
Change in Working Capital4.23M
Others-2.48M
Capital Expenditures-137.00K
Free Cash Flow-186.49M

Cash Flow Quality Analysis

FCF Conversion Rate

90.2%

Strong cash conversion. Most reported earnings translate into actual cash flow, suggesting solid fundamentals.

CapEx Intensity

-0.1%

Asset-light business model. Low capital requirements leave more cash available for shareholders and growth investments.

FCF Growth Trend

-58.0%

Significant FCF decline raises concerns. Urgent review needed of operational performance and capital allocation.

Working Capital Impact

+$4.23M

Working capital inflow boosted cash flow. Efficient management of receivables, inventory, and payables contributing positively.

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Annexon, Inc. Funding & Solvency Profile

ANNX · NASDAQ
Cash & Cash Equivalents175.21M
Net Receivables0.00
Inventory0.00
Other Current Assets3.24M
Total Current Assets228 M
Property, Plant & Equipment24.87M
Goodwill & Intangible Assets0.00
Long-Term Investments0.00
Other Non-Current Assets9.75M
Total Non-Current Assets35 M
Total Assets
262.89M

Financial Health Analysis

Current Ratio

6.35x

Excellent liquidity position. The company can easily cover its short-term obligations with substantial cushion.

Debt-to-Equity Ratio

0.29x

Conservative capital structure. The company relies primarily on equity financing, indicating low financial risk.

Working Capital

192 M

Strong working capital position provides significant operational flexibility and financial cushion.

Asset Composition

87% Current

Asset-light business model with high liquidity. Majority of assets are easily convertible to cash.

Financial Health Insight

Strong financial foundation: Excellent liquidity combined with conservative leverage suggests the company is well-positioned to weather economic uncertainties and fund growth opportunities.

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Annexon, Inc. Street Expectations Map

ANNX · NASDAQ

Wall Street analysts project that ANNX stock may rise significantly over the coming 12 months. The consensus 1-year price target stands at 11.50, with estimates ranging from a low of 7.00 to a high of 16.00.

Lowest Target
7.00
33.08%
Consensus Target
11.50
118.63%
Highest Target
16.00
204.18%

The consensus 1-year price target stands at 11.50, with estimates ranging from a low of 7.00 to a high of 16.00.

Analyst Consensus Analysis

Upside Potential

+118.6%

Substantial upside potential. Analysts see significant value gap, suggesting the stock may be materially undervalued at current levels.

Analyst Agreement

78.3% spread

High uncertainty. Very wide target spread indicates significant disagreement among analysts—major valuation uncertainty or transformation underway.

Analyst Conviction

Low

High uncertainty: Wide dispersion indicates analysts struggle to agree on valuation—proceed with caution and independent analysis.

Market Sentiment Insight

High risk, high reward: Substantial upside potential exists, but wide analyst disagreement signals execution risk or unclear catalysts. Thorough due diligence essential before committing capital.

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Annexon, Inc. Insider Positioning

ANNX · NASDAQ

During the last 12 months, insiders have purchased $13.33M and sold $321K worth of ANNX shares, resulting in $13.01M of net buying activity.

3 Months

Bought

637.5K

3.46M

Sold

0

0.00

Net Activity

+3.5M

+$3.46M

3-6 Months

Bought

4.1K

20.66K

Sold

59.7K

313.42K

Net Activity

-293K

-$293K

6-9 Months

Bought

2.4M

8.84M

Sold

0

0.00

Net Activity

+8.8M

+$8.84M

9-12 Months

Bought

397.3K

1.01M

Sold

3.1K

7.99K

Net Activity

+1.0M

+$1.00M

Top Buyers

1
SMA

Satter Muneer A

Director

3.0M shares7 transactions

$12.12M

2
CWH

Carson William H.

Director

107.8K shares11 transactions

$375K

3
CJ

Choi Jung

Director

88.0K shares2 transactions

$279K

4
WWD

Waddill William D.

Director

55.0K shares1 transactions

$140K

5
JWAJ

Jones William A Jr

Director

55.0K shares1 transactions

$140K

Top Sellers

1
YT

Yednock Ted

Officer: Evp & Chief Innovation Officer

14.5K shares3 transactions

$73K

2
LJ

Lew Jennifer

Officer: Evp & Chief Financial Officer

14.5K shares3 transactions

$73K

3
ADR

Artis Dean Richard

Officer: Evp & Chief Scientific Officer

11.2K shares2 transactions

$59K

4
DJ

Dananberg Jamie

Officer: Chief Medical Officer

11.1K shares2 transactions

$59K

5
OM

Overdorf Michael

Officer: Evp & Chief Business Officer

11.4K shares3 transactions

$57K

Insider Activity Analysis

Net Insider Sentiment

Bullish

Strong bullish signal with $13.01M net buying. Insiders are aggressively accumulating shares, suggesting significant confidence in future prospects.

Buy/Sell Ratio

41.47:1

Exceptional buy/sell ratio. Buying dramatically outweighs selling—one of the strongest possible insider signals.

Recent Trend (3 Months)

$3.46M

Very strong recent buying momentum. Recent insider purchases significantly outpace sales, suggesting near-term optimism.

Insider Participation

Balanced

5 insider buyers and 5 sellers. Equal participation suggests mixed or neutral insider views.

Insider Activity Insight

Strong confluence of bullish signals: High buy/sell ratio, multiple insiders participating, and recent buying momentum all point to significant insider confidence. This level of coordinated buying often precedes positive developments.

0.00%
Dividend Yield
-100%
3Y-
5Y-
10Y-
 

annx Dividend History

ANNX
10Y CAGR +0%
Latest $0
Annual $0
Stable dividend payments
Last Period: +0%