Ciena
Ciena Corporation (NYSE: CIEN) provides networking hardware, software, and services to cloud providers, service providers, and other network operators, including cable companies, governments, research and education networks, and enterprises. Its products carry traffic for cloud, voice, video, data, and AI… From the company’s description.
In fiscal 2025, Ciena reported revenue of $4.77B, up 18.8% from fiscal 2024, and net income of $123.34M. Its operating margin was 4.1%, and operations generated $806.09M in cash. Over the twelve months to Aug 1, 2026, revenue was $6.02B.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Ciena does
In the company’s own words
Ciena Corporation (NYSE: CIEN) provides networking hardware, software, and services to cloud providers, service providers, and other network operators, including cable companies, governments, research and education networks, and enterprises. Its products carry traffic for cloud, voice, video, data, and AI applications, connecting network cores, data centers, metro and access networks, and end users. Ciena is organized into four operating segments: Networking Platforms, covering optical networking and routing and switching; Platform Software and Services; Blue Planet Automation Software and Services; and Global Services. Its offerings include WaveLogic coherent optical technology, 6500 and Waveserver platforms, Navigator NCS network control software, and Blue Planet automation software, alongside network design, deployment, migration, maintenance, and support services. The company sells through direct and indirect channels and relies on third-party contract manufacturers. Ciena employed 9,080 people as of November 1, 2025. Its website is www.ciena.com.
Company details
- Sector
- Information Technology
- Industry (SIC)
- Electronic Equipment
- Headquarters
- HANOVER, MD
- Fiscal year end
- October
- CIK
- 936395
- SIC
- 3661
Financial performance, year by year
Fiscal 2013–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Ciena — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Ciena’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Ciena’s bonds, as funds hold them
Funds report holding 2 issues of Ciena’s debt, $171.47M at market value — what funds hold, not the company’s total debt. Weighted-average coupon 4.00%, maturing 2030 to 2031.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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