Weighted Average Number of Shares Outstanding, Basic of CIENA CORP from 31 Jan 2010 to 31 Jan 2026

Taxonomy & unit: us-gaap: shares
Description: Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
Summary: CIENA CORP quarterly and annual Weighted Average Number of Shares Outstanding, Basic in shares history and change rate from 31 Jan 2010 to 31 Jan 2026.
CIENA CORP Weighted Average Number of Shares Outstanding, Basic for the quarter ending 31 Jan 2026 was 141,676,000, a 0.84% decline year-over-year.
CIENA CORP annual Weighted Average Number of Shares Outstanding, Basic for 2025 was 142,221,000, a 1.7% decline from 2024.
CIENA CORP annual Weighted Average Number of Shares Outstanding, Basic for 2024 was 144,715,000, a 2.9% decline from 2023.
CIENA CORP annual Weighted Average Number of Shares Outstanding, Basic for 2023 was 148,971,000, a 1.5% decline from 2022.
Source SEC data: View on sec.gov

Weighted Average Number of Shares Outstanding, Basic, Quarterly (shares)

Weighted Average Number of Shares Outstanding, Basic, YoY Quarterly Change (%)

Weighted Average Number of Shares Outstanding, Basic, Annual (shares)

Weighted Average Number of Shares Outstanding, Basic, YoY Annual Change (%)

CIENA CORP Quarterly Weighted Average Number of Shares Outstanding, Basic (shares)

Period	Value	YoY Chg	Change %	Start Date	End Date	Report	Filed	Fiscal Year	Fiscal Period
Q4 2025	141,676,000	-1,204,000	-0.84%	02 Nov 2025	31 Jan 2026	10-Q	05 Mar 2026	2026	Q1
Q3 2025	142,221,000	-2,494,000	-1.7%	03 Aug 2025	01 Nov 2025	10-K	12 Dec 2025	2025	FY
Q2 2025	141,846,000	-2,548,000	-1.8%	04 May 2025	02 Aug 2025	10-Q	04 Sep 2025	2025	Q3
Q1 2025	142,503,000	-2,411,000	-1.7%	02 Feb 2025	03 May 2025	10-Q	05 Jun 2025	2025	Q2
Q4 2024	142,880,000	-2,411,000	-1.7%	03 Nov 2024	01 Feb 2025	10-Q	05 Mar 2026	2026	Q1
Q3 2024	144,715,000	-4,256,000	-2.9%	28 Jul 2024	02 Nov 2024	10-K	12 Dec 2025	2025	FY
Q2 2024	144,394,000	-5,296,000	-3.5%	28 Apr 2024	27 Jul 2024	10-Q	04 Sep 2025	2025	Q3
Q1 2024	144,914,000	-4,702,000	-3.1%	28 Jan 2024	27 Apr 2024	10-Q	05 Jun 2025	2025	Q2
Q4 2023	145,291,000	-3,790,000	-2.5%	29 Oct 2023	27 Jan 2024	10-Q	12 Mar 2025	2025	Q1
Q3 2023	148,971,000	-2,237,000	-1.5%	30 Jul 2023	28 Oct 2023	10-K	12 Dec 2025	2025	FY
Q2 2023	149,690,000	-172,000	-0.12%	30 Apr 2023	29 Jul 2023	10-Q	04 Sep 2024	2024	Q3
Q1 2023	149,616,000	-2,581,000	-1.7%	29 Jan 2023	29 Apr 2023	10-Q	06 Jun 2024	2024	Q2
Q4 2022	149,081,000	-5,070,000	-3.3%	30 Oct 2022	28 Jan 2023	10-Q	07 Mar 2024	2024	Q1
Q3 2022	151,208,000	-4,071,000	-2.6%	31 Jul 2022	29 Oct 2022	10-K	20 Dec 2024	2024	FY
Q2 2022	149,862,000	-5,409,000	-3.5%	01 May 2022	30 Jul 2022	10-Q	06 Sep 2023	2023	Q3
Q1 2022	152,197,000	-3,134,000	-2%	30 Jan 2022	30 Apr 2022	10-Q	07 Jun 2023	2023	Q2
Q4 2021	154,151,000	-1,023,000	-0.66%	31 Oct 2021	29 Jan 2022	10-Q	08 Mar 2023	2023	Q1
Q3 2021	155,279,000	+992,000	+0.64%	01 Aug 2021	30 Oct 2021	10-K	15 Dec 2023	2023	FY
Q2 2021	155,271,000	+1,087,000	+0.7%	02 May 2021	31 Jul 2021	10-Q	07 Sep 2022	2022	Q3
Q1 2021	155,331,000	+1,473,000	+0.96%	31 Jan 2021	01 May 2021	10-Q	08 Jun 2022	2022	Q2
Q4 2020	155,174,000	+840,000	+0.54%	01 Nov 2020	30 Jan 2021	10-Q	09 Mar 2022	2022	Q1
Q3 2020	154,287,000	-1,433,000	-0.92%	02 Aug 2020	31 Oct 2020	10-K	16 Dec 2022	2022	FY
Q2 2020	154,184,000	-1,304,000	-0.84%	03 May 2020	01 Aug 2020	10-Q	08 Sep 2021	2021	Q3
Q1 2020	153,858,000	-2,312,000	-1.5%	02 Feb 2020	02 May 2020	10-Q	09 Jun 2021	2021	Q2
Q4 2019	154,334,000	-1,980,000	-1.3%	01 Nov 2019	31 Jan 2020	10-Q	11 Mar 2020	2020	Q1
Q3 2019	155,720,000	+11,982,000	+8.3%	01 Aug 2019	02 Nov 2019	10-K	17 Dec 2021	2021	FY
Q2 2019	155,488,000	+12,088,000	+8.4%	01 May 2019	31 Jul 2019	10-Q	11 Sep 2019	2019	Q3
Q1 2019	156,170,000	+12,195,000	+8.5%	01 Feb 2019	30 Apr 2019	10-Q	12 Jun 2019	2019	Q2
Q4 2018	156,314,000	+12,392,000	+8.6%	01 Nov 2018	31 Jan 2019	10-Q	11 Mar 2020	2020	Q1
Q3 2018	143,738,000	+1,741,000	+1.2%	01 Aug 2018	03 Nov 2018	10-K	18 Dec 2020	2020	FY
Q2 2018	143,400,000	+936,000	+0.66%	01 May 2018	31 Jul 2018	10-Q	11 Sep 2019	2019	Q3
Q1 2018	143,975,000	+2,232,000	+1.6%	01 Feb 2018	30 Apr 2018	10-Q	12 Jun 2019	2019	Q2
Q4 2017	143,922,000	+3,240,000	+2.3%	01 Nov 2017	31 Jan 2018	10-Q	11 Mar 2019	2019	Q1
Q3 2017	141,997,000	+3,685,000	+2.7%	01 Aug 2017	31 Oct 2017	10-K	20 Dec 2019	2019	FY
Q2 2017	142,464,000	+3,583,000	+2.6%	01 May 2017	31 Jul 2017	10-Q	05 Sep 2018	2018	Q3
Q1 2017	141,743,000	+3,793,000	+2.8%	01 Feb 2017	30 Apr 2017	10-Q	06 Jun 2018	2018	Q2
Q4 2016	140,682,000	+4,007,000	+2.9%	01 Nov 2016	31 Jan 2017	10-Q	07 Mar 2018	2018	Q1
Q3 2016	138,312,000	+19,896,000	+17%	01 Aug 2016	31 Oct 2016	10-K	21 Dec 2018	2018	FY
Q2 2016	138,881,000	+20,468,000	+17%	01 May 2016	31 Jul 2016	10-Q	07 Sep 2017	2017	Q3
Q1 2016	137,950,000	+24,395,000	+21%	01 Feb 2016	30 Apr 2016	10-Q	07 Jun 2017	2017	Q2
Q4 2015	136,675,000	+28,902,000	+27%	01 Nov 2015	31 Jan 2016	10-Q	08 Mar 2017	2017	Q1
Q3 2015	118,416,000	+12,633,000	+12%	01 Aug 2015	31 Oct 2015	10-K	22 Dec 2017	2017	FY
Q2 2015	118,413,000	+12,177,000	+11%	01 May 2015	31 Jul 2015	10-Q	07 Sep 2016	2016	Q3
Q1 2015	113,555,000	+8,104,000	+7.7%	01 Feb 2015	30 Apr 2015	10-Q	08 Jun 2016	2016	Q2
Q4 2014	107,773,000	+3,272,000	+3.1%	01 Nov 2014	31 Jan 2015	10-Q	09 Mar 2016	2016	Q1
Q3 2014	105,783,000	+3,433,000	+3.4%	01 Aug 2014	31 Oct 2014	10-K	21 Dec 2016	2016	FY
Q2 2014	106,236,000	+3,523,000	+3.4%	01 May 2014	31 Jul 2014	10-Q	09 Sep 2015	2015	Q3
Q1 2014	105,451,000	+3,538,000	+3.5%	01 Feb 2014	30 Apr 2014	10-Q	10 Jun 2015	2015	Q2
Q4 2013	104,501,000	+3,297,000	+3.3%	01 Nov 2013	31 Jan 2014	10-Q	12 Mar 2015	2015	Q1
Q3 2013	102,350,000	+3,009,000	+3%	01 Aug 2013	31 Oct 2013	10-K	21 Dec 2015	2015	FY
Q2 2013	102,713,000	+3,183,000	+3.2%	01 May 2013	31 Jul 2013	10-Q	09 Sep 2014	2014	Q3
Q1 2013	101,913,000	+2,932,000	+3%	01 Feb 2013	30 Apr 2013	10-Q	11 Jun 2014	2014	Q2
Q4 2012	101,204,000	+3,138,000	+3.2%	01 Nov 2012	31 Jan 2013	10-Q	07 Mar 2014	2014	Q1
Q3 2012	99,341,000	+3,487,000	+3.6%	01 Aug 2012	31 Oct 2012	10-K	19 Dec 2014	2014	FY
Q2 2012	99,530,000	+3,217,000	+3.3%	01 May 2012	31 Jul 2012	10-Q	11 Sep 2013	2013	Q3
Q1 2012	98,981,000	+3,621,000	+3.8%	01 Feb 2012	30 Apr 2012	10-Q	12 Jun 2013	2013	Q2
Q4 2011	98,066,000	+3,570,000	+3.8%	01 Nov 2011	31 Jan 2012	10-Q	13 Mar 2013	2013	Q1
Q3 2011	95,854,000	+2,751,000	+3%	01 Aug 2011	31 Oct 2011	10-K	20 Dec 2013	2013	FY
Q2 2011	96,313,000	+3,407,000	+3.7%	01 May 2011	31 Jul 2011	10-Q	05 Sep 2012	2012	Q3
Q1 2011	95,360,000	+2,746,000	+3%	01 Feb 2011	30 Apr 2011	10-Q	06 Jun 2012	2012	Q2
Q4 2010	94,496,000	+2,175,000	+2.4%	01 Nov 2010	31 Jan 2011	10-Q	08 Mar 2012	2012	Q1
Q3 2010	93,103,000			01 Aug 2010	31 Oct 2010	10-K	21 Dec 2012	2012	FY
Q2 2010	92,906,000			01 May 2010	31 Jul 2010	10-Q	08 Sep 2011	2011	Q3
Q1 2010	92,614,000			01 Feb 2010	30 Apr 2010	10-Q	09 Jun 2011	2011	Q2
Q4 2009	92,321,000			01 Nov 2009	31 Jan 2010	10-Q	10 Mar 2011	2011	Q1

CIENA CORP Annual Weighted Average Number of Shares Outstanding, Basic (shares)

Period	Value	YoY Chg	Change %	Start Date	End Date	Report	Filed	Fiscal Year	Fiscal Period
2025	142,221,000	-2,494,000	-1.7%	03 Nov 2024	01 Nov 2025	10-K	12 Dec 2025	2025	FY
2024	144,715,000	-4,256,000	-2.9%	29 Oct 2023	02 Nov 2024	10-K	12 Dec 2025	2025	FY
2023	148,971,000	-2,237,000	-1.5%	30 Oct 2022	28 Oct 2023	10-K	12 Dec 2025	2025	FY
2022	151,208,000	-4,071,000	-2.6%	31 Oct 2021	29 Oct 2022	10-K	20 Dec 2024	2024	FY
2021	155,279,000	+992,000	+0.64%	01 Nov 2020	30 Oct 2021	10-K	15 Dec 2023	2023	FY
2020	154,287,000	-1,433,000	-0.92%	03 Nov 2019	31 Oct 2020	10-K	16 Dec 2022	2022	FY
2019	155,720,000	+11,982,000	+8.3%	04 Nov 2018	02 Nov 2019	10-K	17 Dec 2021	2021	FY
2018	143,738,000	+1,741,000	+1.2%	01 Nov 2017	03 Nov 2018	10-K	18 Dec 2020	2020	FY
2017	141,997,000	+3,685,000	+2.7%	01 Nov 2016	31 Oct 2017	10-K	20 Dec 2019	2019	FY
2016	138,312,000	+19,896,000	+17%	01 Nov 2015	31 Oct 2016	10-K	21 Dec 2018	2018	FY
2015	118,416,000	+12,633,000	+12%	01 Nov 2014	31 Oct 2015	10-K	22 Dec 2017	2017	FY
2014	105,783,000	+3,433,000	+3.4%	01 Nov 2013	31 Oct 2014	10-K	21 Dec 2016	2016	FY
2013	102,350,000	+3,009,000	+3%	01 Nov 2012	31 Oct 2013	10-K	21 Dec 2015	2015	FY
2012	99,341,000	+3,487,000	+3.6%	01 Nov 2011	31 Oct 2012	10-K	19 Dec 2014	2014	FY
2011	95,854,000	+2,751,000	+3%	01 Nov 2010	31 Oct 2011	10-K	20 Dec 2013	2013	FY
2010	93,103,000			01 Nov 2009	31 Oct 2010	10-K	21 Dec 2012	2012	FY

* An asterisk sign (*) next to the value indicates that the value is likely invalid.