Ciena stock (CIEN)

Ciena stock (CIEN) closed at $280.54 on Nov 13, 2026, up 20.0% year to date, for a market capitalization of $39.8B. Revenue of $6.0B over the last twelve months; in the latest quarter, revenue up 37.0% year on year, with a 45.4% gross margin and a 18.0% operating margin. Filed with the SEC, as of Aug 1, 2026.

Last close
$280.54 (2026-11-13)
Year to date
+20.0%
52-week range
$168.22 – $637.51
Market capitalization
$39.8B
Dividend yield
None
Revenue (TTM)
$6.0B
Revenue growth
+37.0%
Gross margin
45.4%
Operating margin
18.0%
Price / sales
6.6
EV / revenue
6.7
Figures as of
2026-08-01
Named institutional holders
148
Declared ownership
64.4% – 83.5%
Exchange
NYSE
Headquarters
Hanover, Maryland
Fiscal year ends
October
Industry (SEC)
Telephone & Telegraph Apparatus
Registered with the SEC as
CIENA CORP (CIK 936395)

Who owns Ciena?

148 institutional holders named from SEC filings, together declaring between 64.4% and 83.5% of the shares outstanding, as of Nov 2, 2026. The largest named holders of Ciena stock are Vanguard (13.1%), Fidelity (FMR) (12.5%), BlackRock (9.2%), State Street (4.7%) and T. Rowe Price (3.1%). From Mar 31, 2026 to Jun 30, 2026, 238 managers opened a position, 451 added, 374 reduced and 98 sold out; the biggest sellers were Fidelity (FMR) and Capital Group, the biggest buyers American Century Companies, Inc. and JPMorgan.

Ciena shareholders: institutions, insiders and funds

Ciena dividend

Ciena does not pay a dividend: none in its price history since Sep 22, 2021.

Ciena dividend history

About Ciena

We are a network technology company, providing hardware, software, and services to a wide range of network operators and enabling enhanced network capacity, service delivery, and automation. Our solutions support network traffic across a wide range of applications, including cloud, voice, video, data, and artificial intelligence (“AI”). Our network solutions are used globally by cloud providers, service providers, and other network operators across multiple industry verticals.

Ciena's own description, from its annual report (Form 10-K, filed Dec 12, 2025), Item 1. Business. Read the filing on sec.gov

Ciena is headquartered in Hanover, Maryland. It is registered with the SEC as CIENA CORP (CIK 936395); its fiscal year ends in October and its shares trade on the NYSE. Ciena is one of the artificial intelligence (AI) and semiconductor companies tracked on Silicon Floor, in the optics segment, with live prices, SEC filings, financial statements, institutional ownership and dividends.

Latest reported quarter

In its quarter ended Aug 1, 2026 (filed Sep 3, 2026), Ciena reported revenue of $1.7B, operating income of $301.2M and net income of $266.4M.

Latest SEC filings

More on Ciena

Filed figures, quarter by quarter

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Ciena (CIEN) stock on Silicon Floor: who owns it, who is buying, who is selling.
Ciena (CIEN) stock on Silicon Floor: who owns it, who is buying, who is selling.