Insights

Innovative Pipeline Annexon Biosciences is advancing a diversified portfolio of complement inhibitors targeting autoimmune, neurodegenerative, and ophthalmic disorders, presenting multiple opportunities for sales involving specialized biologics and targeted therapies.

Recent Collaborations The company's recent partnership with GBS/CIDP Foundation and ongoing engagement at key healthcare conferences signal a strong focus on neuroinflammatory diseases, creating potential for educational initiatives and targeted product placements in neurology and immunology segments.

Funding & Growth With substantial funding of 125 million dollars and a revenue range of 50 to 100 million dollars, Annexon has the financial capacity to expand its sales efforts, penetrate new markets, and invest in strategic partnerships within biotech and pharmaceutical industries.

Market Positioning Recognized as one of the top small-cap biotech stocks and attracting attention from hedge funds, Annexon presents a compelling opportunity for partnerships focused on cutting-edge complement therapies, especially in neurodegenerative and autoimmune markets.

Technological Focus The company's biomarker-driven approach and focus on novel complement pathways open avenues for collaborations leveraging advanced diagnostics, personalized medicine, and innovative delivery methods, appealing to stakeholders in precision medicine and specialty care.

Annexon Biosciences Tech Stack

Annexon Biosciences uses 8 technology products and services including jQuery CDN, Open Graph, Microsoft PowerPoint, and more. Explore Annexon Biosciences's tech stack below.

  • jQuery CDN
    Content Delivery Network
  • Open Graph
    Content Management System
  • Microsoft PowerPoint
    Editors
  • Apple iCloud Mail
    Email
  • DocuSign
    Miscellaneous
  • ARGUS
    Real Estate Marketing
  • Bootstrap
    UI Frameworks
  • Contact Form 7
    Web Platform Extensions

Media & News

Annexon Biosciences's Email Address Formats

Annexon Biosciences uses at least 1 format(s):
Annexon Biosciences Email FormatsExamplePercentage
FLast@annexonbio.comJDoe@annexonbio.com
88%
First.Last@annexonbio.comJohn.Doe@annexonbio.com
6%
First@annexonbio.comJohn@annexonbio.com
4%
First_Last@annexonbio.comJohn_Doe@annexonbio.com
2%

Frequently Asked Questions

Where is Annexon Biosciences's headquarters located?

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Annexon Biosciences's main headquarters is located at 180 Kimball Way Suite 200 South San Francisco, California 94080 United States. The company has employees across 4 continents, including North AmericaEuropeAfrica.

What is Annexon Biosciences's phone number?

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You can contact Annexon Biosciences's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Annexon Biosciences's official website and social media links?

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Annexon Biosciences's official website is annexonbio.com and has social profiles on LinkedInCrunchbase.

What is Annexon Biosciences's SIC code NAICS code?

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Annexon Biosciences's SIC code is 8733 - Noncommercial Research Organizations NAICS code is 541714 - Research and Development in Biotechnology (except Nanobiotechnology).

How many employees does Annexon Biosciences have currently?

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As of June 2026, Annexon Biosciences has approximately 111 employees across 4 continents, including North AmericaEuropeAfrica. Key team members include Chief Medical Officer: J. D.Chief Medical Officer: M. S.Chief Scientific Officer: R. A.. Explore Annexon Biosciences's employee directory with LeadIQ.

What industry does Annexon Biosciences belong to?

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Annexon Biosciences operates in the Biotechnology Research industry.

What technology does Annexon Biosciences use?

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Annexon Biosciences's tech stack includes jQuery CDNOpen GraphMicrosoft PowerPointApple iCloud MailDocuSignARGUSBootstrapContact Form 7.

What is Annexon Biosciences's email format?

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Annexon Biosciences's email format typically follows the pattern of FLast@annexonbio.com. Find more Annexon Biosciences email formats with LeadIQ.

How much funding has Annexon Biosciences raised to date?

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As of June 2026, Annexon Biosciences has raised $125M in funding. The last funding round occurred on Jun 05, 2024 for $125M.

When was Annexon Biosciences founded?

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Annexon Biosciences was founded in 2011.

Annexon Biosciences

Biotechnology ResearchCalifornia, United States51-200 Employees

Annexon Biosciences is a mid-sized biotechnology company based in South San Francisco, California, focused on developing therapies that modulate the immune system by targeting the classical complement pathway. Its work centers on blocking C1q, the initiating molecule of this pathway, with the aim of treating autoimmune, neurodegenerative, and ophthalmic disorders driven by classical complement activation. The company emphasizes a biomarker-driven approach intended to improve the probability that its portfolio reaches technical success. 

Its clinical-stage portfolio includes ANX005, ANX007, and ANX009, with ANX005 administered intravenously, ANX007 intravitreally, and ANX009 subcutaneously. The target patient population comprises individuals affected by classical complement-mediated diseases of the body, brain, and eye. In 2026, Annexon partnered with the GBS/CIDP Foundation International to advance the GBS 110 awareness campaign through the year.

Section iconCompany Overview

Headquarters
180 Kimball Way Suite 200 South San Francisco, California 94080 United States
Phone number
SIC Code
8733 - Noncommercial Research Organizations
NAICS Code
541714 - Research and Development in Biotechnology (except Nanobiotechnology)
Founded
2011
Employees
51-200

Section iconFunding & Financials

  • $125M

    Annexon Biosciences has raised a total of $125M of funding over 8 rounds. Their latest funding round was raised on Jun 05, 2024 in the amount of $125M.

  • $50M$100M

    Annexon Biosciences's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $125M

    Annexon Biosciences has raised a total of $125M of funding over 8 rounds. Their latest funding round was raised on Jun 05, 2024 in the amount of $125M.

  • $50M$100M

    Annexon Biosciences's revenue is estimated to be in the range of $50M$100M

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