Puma Biotechnology shares outstanding PBYI
Diluted shares outstanding, averaged over each quarter, from 2010.
- Latest quarter, to Jun 30, 2026
- 52.6M
- On a year earlier
- +4.9%
- more shares
Puma Biotechnology had 52.6M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 30, 2026.
That is 4.9% 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 | 51.6M | +5% |
| FY2024 | 49.3M | +3% |
| FY2023 | 48M | +5% |
| FY2022 | 45.8M | +12% |
| FY2021 | 41M | +3% |
| FY2020 | 39.9M | +2% |
| FY2019 | 39M | +2% |
| FY2018 | 38.2M | +2% |
| FY2017 | 37.5M | +5% |
| FY2016 | 35.7M | +10% |
| FY2015 | 32.4M | +7% |
| FY2014 | 30.2M | +5% |
| FY2013 | 28.8M | +7% |
| FY2012 | 26.7M | +42% |
| FY2011 | 18.9M | 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 | 52.6M | +5% | |
| Q1 FY26 | 50.8M | +2% | |
| Q4 FY25 | 51.6M | +5% | |
| Q3 FY25 | 50.9M | +4% | |
| Q2 FY25 | 50.1M | +4% | |
| Q1 FY25 | 49.9M | +4% | |
| Q4 FY24 | 49.3M | +3% | |
| Q3 FY24 | 49.2M | +3% | |
| Q2 FY24 | 48.3M | +2% | |
| Q1 FY24 | 48.2M | +2% | |
| Q4 FY23 | 48M | +5% | |
| Q3 FY23 | 47.8M | +5% |
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 Puma Biotechnology
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.