Ciena Corp. (CIEN)
378.07
-21.78
(-5.45%)
USD |
NYSE |
Aug 28, 16:00
379.00
+0.93
(+0.25%)
After-Hours: 20:00
Ciena Shares Outstanding (Quarterly) : 141.60M for April 30, 2026
Shares Outstanding (Quarterly) Chart
Sep '18
Jan '19
May '19
285.00
270.00
255.00
240.00
Historical Shares Outstanding (Quarterly) Data
| Date | Value |
|---|---|
| April 30, 2026 | 141.60M |
| January 31, 2026 | 141.45M |
| October 31, 2025 | 141.02M |
| July 31, 2025 | 141.34M |
| April 30, 2025 | 141.69M |
| January 31, 2025 | 142.53M |
| October 31, 2024 | 142.66M |
| July 31, 2024 | 144.43M |
| April 30, 2024 | 144.20M |
| January 31, 2024 | 144.95M |
| October 31, 2023 | 144.83M |
| July 31, 2023 | 148.77M |
| April 30, 2023 | 149.50M |
| January 31, 2023 | 149.16M |
| October 31, 2022 | 148.41M |
| July 31, 2022 | 148.29M |
| April 30, 2022 | 150.87M |
| January 31, 2022 | 152.99M |
| October 31, 2021 | 154.86M |
| July 31, 2021 | 155.10M |
| April 30, 2021 | 154.96M |
| January 31, 2021 | 155.19M |
| October 31, 2020 | 154.56M |
| July 31, 2020 | 154.32M |
| April 30, 2020 | 153.64M |
| Date | Value |
|---|---|
| January 31, 2020 | 153.95M |
| October 31, 2019 | 154.40M |
| July 31, 2019 | 155.11M |
| April 30, 2019 | 155.57M |
| January 31, 2019 | 156.34M |
| October 31, 2018 | 154.32M |
| July 31, 2018 | 143.05M |
| April 30, 2018 | 143.43M |
| January 31, 2018 | 144.18M |
| October 31, 2017 | 143.04M |
| July 31, 2017 | 142.67M |
| April 30, 2017 | 141.77M |
| January 31, 2017 | 141.26M |
| October 31, 2016 | 139.77M |
| July 31, 2016 | 139.25M |
| April 30, 2016 | 138.01M |
| January 31, 2016 | 137.44M |
| October 31, 2015 | 135.61M |
| July 31, 2015 | 118.73M |
| April 30, 2015 | 117.70M |
| January 31, 2015 | 108.25M |
| October 31, 2014 | 106.98M |
| July 31, 2014 | 106.56M |
| April 30, 2014 | 105.58M |
| January 31, 2014 | 104.97M |
Shares Outstanding Definition
The volume of stock shares issued by the company and in the hands of the public. This number entails how much is being traded in the open market. A decreasing shares outstanding over time may be the result of company buybacks. Companies frequently make stock buybacks and retire those buybacks as treasury stock.
Shares Outstanding (Quarterly) Range, Past 5 Years
--
Minimum
--
Maximum
--
Average
--
Median
Shares Outstanding (Quarterly) Benchmarks
| Extreme Networks, Inc. | 131.22M |
| ADTRAN Holdings, Inc. | -- |
| Applied Optoelectronics, Inc. | 84.39M |
| Lumentum Holdings, Inc. | 88.60M |
| Sandisk Corp. | 146.00M |