Quick Answer
XBiotech Inc. reported Shares Outstanding of 30.49 million shares for fiscal year 2025.
XBiotech Inc. Shares Outstanding — Annual History
| Fiscal Year | Shares Outstanding | YoY Change |
|---|---|---|
| 2025 | 30.49M | +0.0% |
| 2024 | 30.49M | +0.2% |
| 2023 | 30.44M | -0.0% |
| 2022 | 30.44M | +0.0% |
| 2021 | 30.44M | +3.9% |
| 2020 | 29.30M | -29.4% |
| 2019 | 41.52M | +15.7% |
| 2018 | 35.90M | +1.3% |
| 2017 | 35.44M | +8.6% |
| 2016 | 32.63M | +1.1% |
| 2015 | 32.28M | +17.2% |
| 2014 | 27.55M | — |
Quarterly Shares Outstanding
| Quarter Ending | Shares Outstanding | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | 30.49M | +0.0% | +0.0% |
| June 30, 2025 | 30.49M | +0.1% | +0.0% |
| March 31, 2025 | 30.49M | +0.1% | +0.0% |
| December 31, 2024 | 30.49M | +0.2% | +0.0% |
| September 30, 2024 | 30.48M | +0.1% | +0.1% |
| June 30, 2024 | 30.46M | +0.1% | +0.0% |
| March 31, 2024 | 30.45M | +0.0% | +0.0% |
| December 31, 2023 | 30.44M | -0.0% | +0.0% |
- XBiotech Inc. showed an increase of +0.0% in Shares Outstanding compared to the prior fiscal year.
- Over the 2014–2025 period, XBiotech Inc.’s shares outstanding has grown by 10.7% (from 27.55 million shares to 30.49 million shares).
- The most recent figure is from XBiotech Inc.’s fiscal year 2025 report (Form 10-K), filed with the SEC on March 13, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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