Annexon, Inc. (ANNX) ownership: Top institutional holder: Redmile Group, LLC ($80.61M). Insider activity: Net Seller (4 buys, 16 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Redmile Group, LLC | 14549768.00 | $80.61M | 2026-03-31 |
| BlackRock, Inc. | 10938509.00 | $60.60M | 2026-03-31 |
| FMR LLC | 10635648.00 | $58.92M | 2026-03-31 |
| BVF INC/IL | 8698173.00 | $48.19M | 2026-03-31 |
| VANGUARD GROUP INC | 7753387.00 | $38.92M | 2025-12-31 |
| STATE STREET CORP | 6919255.00 | $38.33M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 5956589.00 | $33.00M | 2026-03-31 |
| Bain Capital Life Sciences Investors, LLC | 5212674.00 | $28.88M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-28 | |
| Buy | null | 2026-05-28 | |
| Sell | null | 2026-05-11 | |
| Buy | null | 2026-05-11 | |
| Sell | null | 2026-04-10 | |
| Buy | null | 2026-04-10 | |
| Sell | null | 2026-03-10 | |
| Buy | null | 2026-03-10 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.