SuperworthCiena shares outstanding CIEN
Diluted shares outstanding, averaged over each quarter, from 2009.
- Latest quarter, to Aug 1, 2026
- 146M
- On a year earlier
- +1.0%
- more shares
Ciena had 146M diluted shares outstanding on average in Q3 FY26, the quarter to Aug 1, 2026.
That is 1.0% 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 | 145.5M | −1% |
| FY2024 | 146.4M | −1% |
| FY2023 | 147.9M | −1% |
| FY2022 | 149.1M | −5% |
| FY2021 | 156.7M | +0% |
| FY2020 | 156.6M | −0% |
| FY2019 | 156.6M | +9% |
| FY2018 | 143.7M | −23% |
| FY2017 | 186.2M | +0% |
| FY2016 | 185.4M | +38% |
| FY2015 | 133.9M | +25% |
| FY2014 | 106.9M | +3% |
| FY2013 | 103.5M | +3% |
| FY2012 | 100.6M | +3% |
| FY2011 | 97.2M | +4% |
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 |
|---|---|---|---|
| Q3 FY26 | 146M | +1% | |
| Q2 FY26 | 146.3M | +1% | |
| Q1 FY26 | 145.8M | −0% | |
| Q4 FY25 | 145.5M | −1% | |
| Q3 FY25 | 144.5M | −1% | |
| Q2 FY25 | 145M | +0% | |
| Q1 FY25 | 145.9M | +0% | |
| Q4 FY24 | 146.4M | −1% | |
| Q3 FY24 | 145.4M | −3% | |
| Q2 FY24 | 144.9M | −3% | |
| Q1 FY24 | 145.8M | −2% | |
| Q4 FY23 | 147.9M | −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 Ciena
Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.