Ciena (CIEN) - Shares outstanding

Number of shares outstanding as of May 2026 : 142,221,000

According to Ciena's latest financial reports and stock price the company's current number of shares outstanding is 142,221,000. At the end of 2006 the company had 84,197,000 shares outstanding. The number of outstanding shares is usually impacted by stock plits and shares buy back.

Shares outstanding history for Ciena from 1997 to 2006

Shares Outstanding at the end of each year

Year	Shares Outstanding	Change
2006	84.19 M

Shares Outstanding for similar companies or competitors

Company	Shares Outstanding	differencediff.	Country
Cisco CSCO	3,955,000,000	2,680.88%	🇺🇸 USA
Juniper Networks JNPR	333,300,000	134.35%	🇺🇸 USA
Infinera INFN	236,974,000	66.62%	🇺🇸 USA
ADTRAN ADTN	80,321,000	-43.52%	🇺🇸 USA
Calix CALX	65,690,000	-53.81%	🇺🇸 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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Number of shares outstanding for Ciena (CIEN)

Number of shares outstanding as of May 2026 : 142,221,000