Institutional Ownership
Annexon Inc
CUSIP 03589W102COMANNXQ1 2026
13D / 13G Filings
83
Schedule 13D/13G on record
Beneficial Filers
27
Distinct reporting persons
Largest Stake
15.0%
Max % of class reported
Institutional Holders
210
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
83 filings · latest Feb 17, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 17, 2026 | Redmile Group, LLC | 13G/A | 9.9% | 15.43M | SEC |
| 2 | Feb 5, 2026 | Fmr LLC | 13G/A | 7.1% | 10.22M | SEC |
| 3 | Jan 21, 2026 | Blackrock, Inc. | 13G/A | 6.1% | 8.87M | SEC |
| 4 | Nov 21, 2025 | Satter Muneer A | 13D/A | 7.2% | — | SEC |
| 5 | Nov 5, 2025 | Fmr LLC | 13G/A | 10.1% | 11.08M | SEC |
| 6 | Oct 30, 2025 | The Vanguard Group | 13G | 5.3% | 5.84M | SEC |
| 7 | Aug 14, 2025 | Logos Global Management LP | 13G/A | — | — | SEC |
| 8 | Aug 6, 2025 | Fmr LLC | 13G/A | 14.3% | 15.70M | SEC |
| 9 | May 15, 2025 | Point72 Asset Management, L.P. | 13G/A | 0.1% | 95.4K | SEC |
| 10 | Apr 30, 2025 | The Vanguard Group | 13G/A | 4.9% | 5.38M | SEC |
73 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Annexon Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Redmile Group, LLC | 14.55M | $80.61M |
| 2 | Blackrock, Inc. | 10.94M | $60.60M |
| 3 | Fmr LLC | 10.64M | $58.92M |
| 4 | Bvf Inc/Il | 8.70M | $48.19M |
| 5 | State Street Corp | 6.92M | $38.33M |
| 6 | Bain Capital Life Sciences Investors, LLC | 5.21M | $28.88M |
| 7 | Bellevue Group AG | 5.16M | $28.57M |
| 8 | Mak Capital One LLC | 4.72M | $26.17M |
| 9 | Adage Capital Partners Gp, L.L.C. | 4.30M | $23.82M |
| 10 | Bank Of America Corp /De/ | 4.26M | $23.60M |