Ciena Corporation (CIEN)
NYSE
Price as at 10 Aug 2026, 12:24 UTC. Quotes are delayed.
Fundamentals
Valuation and ratings
Ciena Corporation trades at USD412.39. We do not hold enough of the inputs to value this company with the confidence the estimate implies, so we publish no fair value for it rather than a number we would not defend.
About Ciena Corporation
Ciena Corporation, a network technology company, provides hardware, software, and services for various network operators in the Americas, Europe, the Middle East, Africa, the Asia Pacific, Japan, and India. It operates through Networking Platforms, Platform Software and Services, Blue Planet Automation Software and Services, and Global Services segments. The Networking Platforms segment consists optical networking, routing, and switching products and services. This segment products include the 6500 Packet-Optical Platform, Waveserver modular interconnect system, the 6500 Reconfigurable Line System, and coherent pluggable transceivers; and the 3000 family of service delivery platforms and the 5000 family of service aggregation, as well as the 8100 Coherent Routing platforms and virtualization software. The Platform Software and Services segment offers navigator network control suite; and software subscription services, consulting, network migration and integration, installation and upgrade support services, and technical support solutions. The Blue Planet Automation Software and Services segment inventory management, orchestration, route optimization and analysis, and unified assurance and analytics software; and sells subscription, installation, support, consulting, and design services related to the Blue Planet automation platform. The Global Services segment provides services for advisory and enablement, implementation, and maintenance, support, and learning activities. Ciena Corporation was incorporated in 1992 and is headquartered in Hanover, Maryland.
Company profile, industry and headcount are as reported by our data provider and can lag a company's own filings by a reporting period. The annual report is the authority.
Super investor ownership
16 of the funds we track reported a position in their latest SEC 13F filing. Largest first:
- Arrowstreet Capital, ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$822.68M · 0.4% of book
- Cliff Asness, AQR CAPITAL MANAGEMENT LLC$507.24M · 0.2% of book
- Capital Research Global, Capital Research Global Investors$322.08M · 0.0% of book
- Josh Resnick, Jericho Capital Asset Management L.P.$275.46M · 2.3% of book
- Ken Griffin, CITADEL ADVISORS LLC$105.01M · 0.0% of book
A word of warning on reading these figures: a 13F reports the market value of a holding, so a fund that traded nothing at all still appears to have sold when the price fell. We found 102 companies where the standard reading gives the opposite answer. Only the share count is honest.
Common questions
Which funds own CIEN?
16 of the institutions we track reported a position in CIEN in their most recent SEC 13F filing. A 13F is filed up to 45 days after quarter end, so it tells you what a fund held then, not what it holds now.
Where does SteadyShares get its CIEN data?
Fundamentals for CIEN come from company filings and exchange data, as listed on NYSE; institutional ownership comes from SEC 13F filings. The share price shown was last refreshed on 10 Aug 2026, 12:24 UTC and is delayed. Metrics we do not hold are left out of the page rather than estimated.
The full research page for CIEN, with financial statements, ownership detail, peer comparison and alerts, is free inside the app.
Data from company filings, exchange quotes and SEC EDGAR 13F disclosures. Quotes are delayed. Metrics we do not have are left out rather than estimated. Educational information, not financial advice.