Annexon Inc
Ownership
Ownership Structure
Who owns Annexon Inc (ANNX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 86.4% of the shares are freely tradable; institutional investors hold 102.7%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| FMR Inc | 10.30 | 19,518,496 | +83.5 | 06/30/2026 |
| BlackRock Inc | 7.14 | 13,539,744 | +23.8 | 06/30/2026 |
| Redmile Group, LLC | 6.26 | 11,869,877 | -18.4 | 06/30/2026 |
| State Street Corp | 5.18 | 9,824,321 | +42.0 | 06/30/2026 |
| Bvf Inc | 4.59 | 8,698,173 | +0.0 | 06/30/2026 |
| Woodline Partners LP | 3.65 | 6,925,067 | +196.3 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.62 | 6,871,015 | +15.4 | 06/30/2026 |
| Mak Capital One LLC | 3.09 | 5,862,180 | +24.1 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Fidelity Select Biotechnology | 3.26 | 6,174,755 | +0.0 | 08/31/2026 |
| State Street® SPDR® S&P® Biotech ETF | 3.10 | 5,885,821 | -1.9 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Love Douglas | PRESIDENT AND CEO | 390,476 | 1,639,999 $ | Sep 24, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 24, 2026 | Love Douglas | PRESIDENT AND CEO | Buy | 26,065 | 3.83 | 99,829 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 3, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.