X4 Pharmaceuticals shares outstanding XFOR
Diluted shares outstanding, averaged over each quarter, from 2017.
- Latest quarter, to Jun 30, 2026
- 126.3M
- On a year earlier
- +1604.4%
- more shares
X4 Pharmaceuticals had 126.3M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 30, 2026.
That is 1604.4% more than a year earlier, so each share owns a little less of the company.
Shares outstanding over time
Fiscal year by fiscal year
| Fiscal year | Shares, fourth quarter | Change |
|---|---|---|
| FY2025 | 110.7M | +1536% |
| FY2024 | 6.8M | +2% |
| FY2023 | 6.6M | +97% |
| FY2022 | 3.4M | +248% |
| FY2021 | 965.3K | +43% |
| FY2020 | 673.4K | +23% |
| FY2019 | 548.9K | +590% |
| FY2018 | 79.5K | n/a |
Each fiscal year is the twelve months to its fourth quarter, shown as the fourth quarter's average share count.
Quarter by quarter
| Quarter | Ended | Shares outstanding | On a year earlier |
|---|---|---|---|
| Q2 FY26 | 126.3M | +1604% | |
| Q1 FY26 | 126.3M | +1739% | |
| Q4 FY25 | 110.7M | +1536% | |
| Q3 FY25 | 43.3M | +546% | |
| Q2 FY25 | 7.4M | +11% | |
| Q1 FY25 | 6.9M | +3% | |
| Q4 FY24 | 6.8M | +2% | |
| Q3 FY24 | 6.7M | +2% | |
| Q2 FY24 | 6.7M | +19% | |
| Q1 FY24 | 6.7M | +37% | |
| Q4 FY23 | 6.6M | +97% | |
| Q3 FY23 | 6.6M | +137% |
What the shares outstanding tells you
Diluted shares outstanding, averaged over the period. Fewer shares means each one owns more of the company.
A falling count usually means buybacks. A rising one means stock pay, acquisitions paid in shares or new shares sold.
More on X4 Pharmaceuticals
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.