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Annexon Biosciences

South San Francisco, United States
Last funding
$86.3M
Post-IPO EquityNov 2025

Annexon Biosciences is a biotech company, discovering and developing novel therapeutics for neurodegenerative and autoimmune disorders.

About Annexon Biosciences

How much funding has Annexon Biosciences raised?

Annexon Biosciences has raised $86.3M in total funding. The most recent round was Post-IPO Equity. The last funding was announced in November 2025.

Who are Annexon Biosciences's investors?

Annexon Biosciences's investors include BlackRock, Janus Henderson Investors, New Enterprise Associates, Redmile Group, Blackstone Life Sciences.

Where is Annexon Biosciences headquartered?

Annexon Biosciences is headquartered in South San Francisco, United States.

What does Annexon Biosciences do?

Annexon Biosciences is a biotech company, discovering and developing novel therapeutics for neurodegenerative and autoimmune disorders.

What stage is Annexon Biosciences at?

Annexon Biosciences is at the Post-IPO Equity stage.

Cite this page

Free to use in articles, research, and reference works. Stable URL — will not change. Data on this page last updated .

MLA
"Annexon Biosciences — Funding & Investors." VCBacked, November 12, 2025, https://www.vcbacked.co/company/annexon-biosciences. Accessed July 19, 2026.
APA
VCBacked. (2025). Annexon Biosciences — Funding & Investors. Retrieved July 19, 2026, from https://www.vcbacked.co/company/annexon-biosciences
Wikipedia (cite web)
{{cite web |title=Annexon Biosciences — Funding & Investors |url=https://www.vcbacked.co/company/annexon-biosciences |website=VCBacked |access-date=July 19, 2026}}

Profile data sourced and verified per the VCbacked methodology · Last funding round dated