SuperworthAlkermes plc. shares outstanding ALKS
Diluted shares outstanding, averaged over each quarter, from 2011.
- Latest quarter, to Jun 30, 2026
- 173.5M
- On a year earlier
- +3.0%
- more shares
Alkermes plc. had 173.5M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 30, 2026.
That is 3.0% 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 | 169.6M | +2% |
| FY2024 | 166.2M | +0% |
| FY2023 | 166M | +2% |
| FY2022 | 163.5M | +1% |
| FY2021 | 161.8M | +2% |
| FY2020 | 159.2M | +1% |
| FY2019 | 157.7M | +1% |
| FY2018 | 155.5M | +1% |
| FY2017 | 153.9M | +1% |
| FY2016 | 152.1M | +1% |
| FY2015 | 150.3M | +2% |
| FY2014 | 146.9M | +5% |
| FY2013 | 139.7M | −5% |
| FY2013 | 146.9M | +13% |
| FY2012 | 130M | 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 | 173.5M | +3% | |
| Q1 FY26 | 166.2M | −2% | |
| Q4 FY25 | 169.6M | +2% | |
| Q3 FY25 | 168.5M | +1% | |
| Q2 FY25 | 168.4M | −2% | |
| Q1 FY25 | 168.7M | −2% | |
| Q4 FY24 | 166.2M | +0% | |
| Q3 FY24 | 167M | −3% | |
| Q2 FY24 | 171M | −0% | |
| Q1 FY24 | 173M | +5% | |
| Q4 FY23 | 166M | +2% | |
| Q3 FY23 | 171.9M | +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 Alkermes plc.
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.