CIEN

Ciena Corporation

Stock

$391.34+12.20 (+3.22%)Close Oct 2, 2026

Shareholders' equity

Period	On	Equity	YoY	Filing
FY2025	Nov 1, 2025	$2.7B	−3.1%	10-K, Dec 12, 2025
FY2024	Nov 2, 2024	$2.8B	−1.1%	10-K, Dec 20, 2024
FY2023	Oct 28, 2023	$2.8B	+5.0%	10-K, Dec 15, 2023
FY2022	Oct 29, 2022	$2.7B	−10.2%	10-K, Dec 16, 2022
FY2021	Oct 30, 2021	$3.0B	+20.3%	10-K, Dec 17, 2021
FY2020	Oct 31, 2020	$2.5B	+15.5%	10-K, Dec 18, 2020
FY2019	Nov 2, 2019	$2.2B	+12.6%	10-Q, Jun 10, 2020
FY2019	Oct 31, 2019	$2.2B	+12.6%	10-K, Dec 20, 2019
FY2018	Nov 3, 2018	$1.9B	−9.7%	10-K, Dec 18, 2020
FY2018	Oct 31, 2018	$1.9B	−9.7%	10-K, Dec 21, 2018
FY2017	Oct 31, 2017	$2.1B	+178.8%	10-K, Dec 22, 2017
FY2016	Oct 31, 2016	$766M	+23.4%	10-K, Dec 21, 2016
FY2015	Oct 31, 2015	$621M	—	10-K, Dec 21, 2015
FY2014	Oct 31, 2014	−$70M	—	10-K, Dec 19, 2014
FY2013	Oct 31, 2013	−$83M	—	10-K, Dec 20, 2013
FY2012	Oct 31, 2012	−$89M	—	10-K, Dec 21, 2012
FY2011	Oct 31, 2011	$14M	−91.3%	10-K, Dec 22, 2011
FY2010	Oct 31, 2010	$159M	−65.1%	10-K, Dec 22, 2010
FY2009	Oct 31, 2009	$456M	−54.4%	10-K, Dec 22, 2010
FY2008	Oct 31, 2008	$999M	—	10-K, Dec 22, 2010