SCHEDULE: FMR LLC Discloses 11.9% Stake in Annexon Inc.

FMR LLC and Abigail P. Johnson have reported a combined beneficial ownership of 11.9% of Annexon Inc.'s common stock as of June 30, 2026.

Summary

• FMR LLC and Abigail P. Johnson have filed a Schedule 13G, indicating their beneficial ownership of Annexon Inc. common stock.
• The filing, dated June 30, 2026, shows a combined beneficial ownership of 19,518,496.35 shares.
• This represents 11.9% of the total outstanding common stock of Annexon Inc.
• FMR LLC is classified as a holding company (HC), while Abigail P. Johnson is classified as an investment company (IN).
• The filing confirms that the securities were acquired and are held in the ordinary course of business and not for the purpose of influencing control of the issuer.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this filing as neutral. It is a routine disclosure of institutional ownership and does not provide new operational or financial performance data for Annexon Inc.

Positives

• Significant institutional ownership by FMR LLC and Abigail P. Johnson, indicating confidence in Annexon Inc.'s long-term prospects.
• The filing confirms that the ownership is for ordinary course of business, not for control, which is standard for institutional investors.

Risks

• While not explicitly stated as a risk in this filing, significant institutional selling could impact the stock price.
• The filing does not provide forward-looking statements or specific business updates, limiting insight into potential future challenges.

Future Outlook

This filing is a disclosure of beneficial ownership and does not contain forward-looking statements or specific guidance regarding Annexon Inc.'s future performance.

Industry Context

StockSavvy.ai notes that Schedule 13G filings are common for large institutional investors like FMR LLC and Abigail P. Johnson when their ownership stake crosses certain thresholds. This filing indicates a significant, but not controlling, stake in Annexon Inc., a biotechnology company.

Stakeholder Impact

• Shareholders: The filing confirms significant institutional interest, which can be viewed positively, but also implies potential for future selling pressure from these large holders.
• Management: The filing reinforces that FMR LLC and Abigail P. Johnson are not seeking to control the company, aligning with typical passive institutional investment.
• Creditors: No direct impact is indicated by this ownership disclosure.

Next Steps

• Continued monitoring of FMR LLC and Abigail P. Johnson's ownership stake in Annexon Inc. for any future changes.
• Review of Annexon Inc.'s subsequent financial reports and disclosures for operational updates.

Key Dates

Keywords

Annexon Inc, Schedule 13G, FMR LLC, Abigail P. Johnson, Institutional Ownership, Common Stock, Beneficial Ownership, SEC Filing