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Annexon Inc (ANNX)

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Upturn Advisory Summary
10/31/2025: ANNX (2-star) has a low Upturn Star Rating. Not recommended to BUY.
1 Year Target Price $11.6
1 Year Target Price $11.6
| 5 | Strong Buy | 
| 3 | Buy | 
| 0 | Hold | 
| 0 | Sell | 
| 0 | Strong Sell | 
Analysis of Past Performance
 Type  Stock  |  Historic Profit  9.49%  |  Avg. Invested days  44  |  Today’s Advisory  Consider higher Upturn Star rating   | 
 Upturn Star Rating  ![]()  |  Upturn Advisory Performance   |  Stock Returns Performance   | 
Key Highlights
 Company Size  Small-Cap Stock   |  Market Capitalization  347.24M  USD   |  Price to earnings Ratio  -   |  1Y Target Price  11.6   | 
 Price to earnings Ratio  -   |  1Y Target Price  11.6   | ||
 Volume (30-day avg)  8   |  Beta  1.37   |  52 Weeks Range  1.28 - 7.62   |  Updated Date  11/2/2025   | 
 52 Weeks Range  1.28 - 7.62   |  Updated Date  11/2/2025   | ||
 Dividends yield (FY)  -   |  Basic EPS (TTM)  -1.29   | 
Earnings Date
 Report Date  -   |  When  -   |  Estimate  -   |  Actual  -   | 
Profitability
 Profit Margin  -   |  Operating Margin (TTM)  -   | 
Management Effectiveness
 Return on Assets (TTM)  -37.47%   |  Return on Equity (TTM)  -66.75%   | 
Valuation
 Trailing PE  -   |  Forward PE  -   |  Enterprise Value  142360397   |  Price to Sales(TTM)  -   | 
 Enterprise Value  142360397   |  Price to Sales(TTM)  -   | ||
 Enterprise Value to Revenue  -   |  Enterprise Value to EBITDA  -2.47   |  Shares Outstanding  109886623   |  Shares Floating  89052119   | 
 Shares Outstanding  109886623   |  Shares Floating  89052119   | ||
 Percent Insiders  0.43   |  Percent Institutions  100.44   | 
 Upturn AI SWOT 
Annexon Inc

Company Overview
 History and Background 
Annexon, Inc. is a clinical-stage biopharmaceutical company founded in 2011. It focuses on developing novel therapies for classical complement-mediated neurodegenerative diseases. Their initial focus was on C1q inhibition to protect synapses.
 Core Business Areas 
- Neurodegenerative Diseases: Development of therapies targeting C1q for diseases like Huntington's disease, geographic atrophy (GA), and other neurodegenerative conditions.
 
 Leadership and Structure 
The leadership team includes Douglas Love as President and CEO. The company operates with a research and development focus.
Top Products and Market Share
 Key Offerings 
- ANX005 (formerly Anti-C1q antibody): A humanized monoclonal antibody designed to inhibit C1q, a key initiator of the classical complement pathway. It's being developed for Huntington's disease. No significant market share as it's still in clinical trials. Competitors are companies researching and developing therapies for Huntington's disease and complement inhibition pathways.
 - ANX007: An antigen-binding fragment (Fab) inhibitor of C1q designed for intraocular administration to treat diseases such as geographic atrophy (GA). No significant market share yet. Competitors are companies researching and developing therapies for geographic atrophy and complement inhibition pathways.
 
Market Dynamics
 Industry Overview 
The biopharmaceutical industry focused on neurodegenerative diseases is highly competitive, with significant unmet medical needs. The complement pathway is increasingly recognized as a key target.
Positioning
Annexon is positioned as a leader in developing C1q inhibitors for complement-mediated diseases. Their competitive advantage lies in their focus on C1q and their clinical programs.
Total Addressable Market (TAM)
The TAM for neurodegenerative and ophthalmic diseases is substantial, estimated in the billions of dollars annually. Annexon is targeting specific segments within this larger market, particularly those amenable to complement inhibition.
Upturn SWOT Analysis
Strengths
- Novel C1q inhibition technology
 - Clinical-stage pipeline
 - Experienced leadership team
 - Strong intellectual property portfolio
 
Weaknesses
- High cash burn rate
 - Reliance on clinical trial success
 - Competition from established pharmaceutical companies
 - Single therapeutic focus on complement inhibition.
 
Opportunities
- Expansion into new indications
 - Partnerships with larger pharmaceutical companies
 - Positive clinical trial results
 - Growing understanding of the role of complement in disease
 
Threats
- Clinical trial failures
 - Regulatory hurdles
 - Competition from other therapies
 - Patent challenges
 - Adverse events in clinical trials
 
Competitors and Market Share
 Key Competitors 
- ALNY
 - CRBP
 - APLS
 
Competitive Landscape
Annexon is focused on C1q inhibition, while other companies may target different aspects of the complement pathway or alternative mechanisms for treating neurodegenerative and ophthalmic diseases. Annexon's success depends on demonstrating the efficacy and safety of its C1q inhibitors.
Growth Trajectory and Initiatives
Historical Growth: Growth is dependent on clinical trial progress. Historically, the company's value has fluctuated based on trial announcements.
Future Projections: Future growth depends on successful clinical trials and potential FDA approvals. Analyst estimates vary based on these factors.
Recent Initiatives: Focus on advancing ANX005 and ANX007 through clinical trials. Exploring new indications for C1q inhibition.
Summary
Annexon is a clinical-stage biopharmaceutical company focused on a promising area of neurodegenerative disease treatment, the complement pathway. Its success hinges on positive clinical trial outcomes. The company faces significant risks associated with drug development and competition, but its novel C1q inhibition technology gives it a potential edge. Strong cash management and strategic partnerships are critical for continued growth.
Similar Stocks
Sources and Disclaimers
Data Sources:
- SEC Filings
 - Company Website
 - Analyst Reports
 - ClinicalTrials.gov
 
Disclaimers:
This analysis is for informational purposes only and should not be considered investment advice. Market share estimates are approximations. Financial data is based on the most recent available information, which is subject to change.
 AI Summarization is directionally correct and might not be accurate. 
 Summarized information shown could be a few years old and not current. 
 Fundamental Rating based on AI could be based on old data. 
 AI-generated summaries may have inaccuracies (hallucinations). Please verify the information before taking action. 
About Annexon Inc
 Exchange  NASDAQ   |  Headquaters  Brisbane, CA, United States   | ||
 IPO Launch date  2020-07-24   |  CEO, President & Director  Mr. Douglas E. Love Esq., J.D.   | ||
 Sector  Healthcare   |  Industry  Biotechnology   |  Full time employees  103   |  Website  https://www.annexonbio.com   | 
 Full time employees  103   |  Website  https://www.annexonbio.com   | ||
Annexon, Inc., a clinical-stage biopharmaceutical company, discovers and develops medicines for treating inflammatory-related diseases. The company's lead candidate is ANX005, an investigational full-length monoclonal antibody, which is in Phase 3 clinical trial for the treatment of patients with guillain-barré syndrome; completed Phase II clinical trial for treating Huntington's disease; and in Phase 2a clinical trial for the treatment of amyotrophic lateral sclerosis. The company is also developing ANX007, an antigen-binding fragment (Fab) that is in Phase 3 program for the treatment of patients with geographic atrophy; and ANX1502, a novel oral small molecule inhibitor, which is in Phase 1 clinical trials for autoimmune indications. In addition, it develops ANX009, a C1q-blocking Fab that is in Phase I clinical trial for treating patients with lupus nephritis. The company was incorporated in 2011 and is headquartered in Brisbane, California.

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