SuperworthIonis Pharmaceuticals shares outstanding IONS
Diluted shares outstanding, averaged over each quarter, from 2009.
- Latest quarter, to Jun 30, 2026
- 165.4M
- On a year earlier
- −9.3%
- fewer shares
Ionis Pharmaceuticals had 165.4M diluted shares outstanding on average in Q2 FY26, the quarter to Jun 30, 2026.
That is 9.3% fewer than a year earlier, so each share owns a little more of the company.
Shares outstanding over time
Fiscal year by fiscal year
| Fiscal year | Shares, fourth quarter | Change |
|---|---|---|
| FY2025 | 162.4M | +3% |
| FY2024 | 157.9M | +10% |
| FY2023 | 143.6M | +1% |
| FY2022 | 142M | +1% |
| FY2021 | 141.2M | +1% |
| FY2020 | 140M | −9% |
| FY2019 | 153.3M | +2% |
| FY2018 | 149.9M | +18% |
| FY2017 | 126.9M | +5% |
| FY2016 | 121.3M | +0% |
| FY2015 | 120.8M | +2% |
| FY2014 | 118.2M | +2% |
| FY2013 | 116.1M | +15% |
| FY2012 | 101.2M | +1% |
| FY2011 | 99.8M | +0% |
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 | 165.4M | −9% | |
| Q1 FY26 | 164.9M | +4% | |
| Q4 FY25 | 162.4M | +3% | |
| Q3 FY25 | 159.8M | +8% | |
| Q2 FY25 | 182.3M | +25% | |
| Q1 FY25 | 158.7M | +9% | |
| Q4 FY24 | 157.9M | +10% | |
| Q3 FY24 | 148.6M | +4% | |
| Q2 FY24 | 146M | +2% | |
| Q1 FY24 | 145.5M | +2% | |
| Q4 FY23 | 143.6M | +1% | |
| Q3 FY23 | 143.3M | +1% |
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 Ionis Pharmaceuticals
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.