Quick Answer
Amylyx Pharmaceuticals, Inc. reported Shares Outstanding of 109.88 million shares for fiscal year 2025.
Amylyx Pharmaceuticals, Inc. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 109.88M | +60.1% |
| 2024 | 68.63M | +1.4% |
| 2023 | 67.71M | +1.8% |
| 2022 | 66.51M | +847.4% |
| 2021 | 7.02M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 109.77M | +60.1% | +23.1% |
| June 30, 2025 | 89.16M | +31.0% | +0.1% |
| March 31, 2025 | 89.08M | +31.0% | +29.8% |
| December 31, 2024 | 68.63M | +1.4% | +0.1% |
| September 30, 2024 | 68.55M | +1.5% | +0.7% |
| June 30, 2024 | 68.08M | +1.1% | +0.2% |
| March 31, 2024 | 67.98M | +1.3% | +0.4% |
| December 31, 2023 | 67.71M | +1.8% | +0.3% |
- Amylyx Pharmaceuticals, Inc. showed an increase of +60.1% in Shares Outstanding compared to the prior fiscal year.
- Over the 2021–2025 period, Amylyx Pharmaceuticals, Inc.’s shares outstanding has grown by 1465.2% (from 7.02 million shares to 109.88 million shares).
- The most recent figure is from Amylyx Pharmaceuticals, Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 3, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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