Quick Answer
Annexon, Inc. reported Shares Outstanding of 149.36 million shares for fiscal year 2025.
Annexon, Inc. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 149.36M | +36.6% |
| 2024 | 109.38M | +39.6% |
| 2023 | 78.37M | +64.2% |
| 2022 | 47.72M | +23.8% |
| 2021 | 38.56M | +1.1% |
| 2020 | 38.16M | +8697.2% |
| 2019 | 433,749 | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2020 | 38.16M | — | +8697.2% |
| June 30, 2020 | 433,749 | — | +0.0% |
| December 31, 2019 | 433,749 | — | — |
- Annexon, Inc. showed an increase of +36.6% in Shares Outstanding compared to the prior fiscal year.
- Over the 2019–2025 period, Annexon, Inc.’s shares outstanding has grown by 34335.3% (from 433.7 thousand shares to 149.36 million shares).
- The most recent figure is from Annexon, Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 30, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
Last verified: