Ciena Corp (CIEN): Shares Outstanding

Annual figures by period end, from SEC filings.

141.02M
As of 2025-11-01
141.90M
As of 2026-08-01
-1.7%
3-year compound annual growth
-1.8%
5-year compound annual growth
+0.4%
10-year compound annual growth
154.86M2009-10-31: 92.04M2010-10-31: 94.06M2011-10-31: 97.44M2012-10-31: 100.60M2013-10-31: 103.71M2014-10-31: 106.98M2015-10-31: 135.61M2016-10-31: 139.77M2017-10-31: 143.04M2018-10-31: 154.32M2019-10-31: 154.40M2019-11-02: 154.40M2020-10-31: 154.56M2021-10-30: 154.86M2022-10-29: 148.41M2023-10-28: 144.83M2024-11-02: 142.66M2025-11-01: 141.02M141.02M
2009-10-31 Shares Outstanding (shares) 2025-11-01
Period endedShares OutstandingChange YoYSource filing
2025-11-01141.02M-1.1%2025-12-12, Balance as of period end
2024-11-02142.66M-1.5%2025-12-12, Balance as of period end
2023-10-28144.83M-2.4%2024-12-20, Balance as of period end
2022-10-29148.41M-4.2%2023-12-15, Balance as of period end
2021-10-30154.86M+0.2%2022-12-16, Balance as of period end
2020-10-31154.56M+0.1%2021-12-17, Balance as of period end
2019-11-02154.40Mn/a2020-12-18, Balance as of period end
2019-10-31154.40M+0.1%2019-12-20, Balance as of period end
2018-10-31154.32M+7.9%2019-12-20, Balance as of period end
2017-10-31143.04M+2.3%2018-12-21, Balance as of period end
2016-10-31139.77M+3.1%2017-12-22, Balance as of period end
2015-10-31135.61M+26.8%2016-12-21, Balance as of period end
2014-10-31106.98M+3.2%2015-12-21, Balance as of period end
2013-10-31103.71M+3.1%2014-12-19, Balance as of period end
2012-10-31100.60M+3.2%2013-12-20, Balance as of period end
2011-10-3197.44M+3.6%2012-12-21, Balance as of period end
2010-10-3194.06M+2.2%2011-12-22, Balance as of period end
2009-10-3192.04Mn/a2010-12-22, Balance as of period end