Quick Takeaways
- BlackRock, Inc. filed SCHEDULE 13G/A for ANNEXON INC Common Stock (ANNX).
- Disclosed ownership: 6.1%.
- Date of event: 31 Dec 2025.
BlackRock, Inc. - 31 Dec 2025 SCHEDULE 13G/A Report for ANNEXON INC Common Stock (ANNX)
- Filing Manager
- BlackRock, Inc.
- Reporting Manager
- BlackRock, Inc.
- Security
- ANNEXON INC Common Stock
- Symbol
- ANNX
- Shares outstanding
- 145,389,426 shares
- Disclosed Ownership
- 8,868,755 shares
- Ownership
- 6.1%
- Form type
- SCHEDULE 13G/A
- Filing time
- 21 Jan 2026, 12:30:30 UTC
- Date of event
- 31 Dec 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"BlackRock, Inc. disclosed 6.1% ownership in ANNEXON INC Common Stock (ANNX) on 31 Dec 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 21 Jan 2026, 12:30.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (1)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 6.1% | 8,868,755 | 8,773,698 | 0 | Spencer Fleming | Managing Director |