Insights

Large opportunity Biotech investors and patients point to a substantial addressable market in neuroinflammatory and autoimmune diseases; leverage this to approach payers, pharma partners, and research collaborations for ANX005 ANX007 and ANX009 in CNS, visual, and autoimmune indications.

Strategic partnerships Oxford Finance credit facility and non-dilutive financing signals a readiness to collaborate with strategic lenders and potential co-development or regional commercialization partners; initiate discussions with financial and strategic consultancies to accelerate global rights and manufacturing partnerships.

Clinical momentum Lead programs vonaprument and tanruprubart are advancing in neuroinflammatory indications with presentations at Retina Society meetings; pursue opportunities for investigator-led trials, adjunctive studies, and companion diagnostic collaborations to broaden data generation and market adoption.

Payer and access focus Significant funding and a biomarker-driven strategy imply a willingness to engage early with health technology assessment bodies; propose value dossiers, biomarker-based endpoints, and real-world data plans to support reimbursement and rapid patient access.

Global commercialization Recent financing supports international commercialization plans; identify regional partners in Europe, Asia-Pacific, and the Americas, offering co-development, distribution rights, and local regulatory support to expand reach for intravitreal, intravenous, and subcutaneous C1q-targeted therapies.

Similar companies to Annexon Biosciences

Annexon Biosciences Tech Stack

Annexon Biosciences uses 8 technology products and services including Tableau, Amazon Web Services, Cookiebot, and more. Explore Annexon Biosciences's tech stack below.

Media & News

Annexon Biosciences's Email Address Formats

Annexon Biosciences uses at least 4 email formats:
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

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 LinkedIn and Crunchbase.

How much revenue does Annexon Biosciences generate?

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As of October 2026, Annexon Biosciences's annual revenue is estimated to be $50M - $100M.

What is Annexon Biosciences's SIC code and NAICS code?

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Annexon Biosciences's SIC code is 8731 - Commercial Physical and Biological Research and 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 October 2026, Annexon Biosciences has approximately 116 employees across 4 continents, including North America, Europe and Africa. Key team members include Chief Medical Officer: J. D., Chief Scientific Officer: R. A. and Vp Legal, Corporate Affairs, Commercial And Compliance: A. C. G. 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 Tableau, Amazon Web Services, Cookiebot, SAP, ADP, Office 365, Greenhouse and Adobe Creative Suite.

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 October 2026, Annexon Biosciences has raised $720M in funding. The last funding round occurred on Nov 12, 2025 for $125M.

When was Annexon Biosciences founded?

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Annexon Biosciences was founded in 2011.
Annexon Biosciences logo

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

Phone number
SIC Code
8731 - Commercial Physical and Biological Research
NAICS Code
541714 - Research and Development in Biotechnology (except Nanobiotechnology)
Founded
2011
Employees
51-200

Section iconFunding & Financials

  • $720M

    Annexon Biosciences has raised a total of $720M of funding over 9 rounds. Their latest funding round was raised on Nov 12, 2025 in the amount of $125M as a Post IPO Equity.

  • $50M - $100M

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

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