Number of shares outstanding for Ciena (CIEN)

Number of shares outstanding as of March 2025 : 142,880,000

According to Ciena's latest financial reports and stock price the company's current number of shares outstanding is 142,880,000. At the end of 2025 the company had 142,880,000 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for Ciena from 2007 to 2025

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2025	0.14 B	-0.94%
2024	0.14 B	-2.17%
2023	0.14 B	-0.75%
2022	0.14 B	-4.31%
2021	0.15 B	0.34%
2020	0.15 B	-0.09%
2019	0.15 B	7.79%
2018	0.14 B	0.39%
2017	0.14 B	2.4%
2016	0.13 B	4.21%
2015	0.13 B	25.41%
2014	0.10 B	3.29%
2013	0.10 B	3%
2012	0.10 B	4.35%
2011	96.31 M	3.67%
2010	92.9 M	1.69%
2009	91.36 M	1.27%
2008	90.21 M	5.33%
2007	85.65 M	1.73%
2006	84.19 M

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
Infinera INFN	236,974,000	65.86%	🇺🇸 USA
ADTRAN ADTN	78,952,000	-44.74%	🇺🇸 USA
Juniper Networks JNPR	329,400,000	130.54%	🇺🇸 USA
Calix CALX	66,078,000	-53.75%	🇺🇸 USA
Cisco CSCO	3,981,000,000	2,686.25%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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