CIENA CORP
Ticker: CIENTechnologyElectronic EquipmentS&P 500The business
Ciena Corporation (NYSE: CIEN) is a network technology company providing hardware, software, and services to network operators globally. The company's website is www.ciena.com.
Ciena enables enhanced network capacity, service delivery, and automation across cloud providers, service providers, and other network operators. The company operates through four primary segments: Networking Platforms, Platform Software and Services, Blue Planet Automation Software and Services, and Global Services.
The Networking Platforms segment encompasses the Optical Networking and Routing and Switching portfolios. Optical Networking products include the 6500 Packet-Optical Platform, Waveserver systems, the 6500 Reconfigurable Line System, and coherent pluggable transceivers, all leveraging Ciena's proprietary WaveLogic coherent modem technology. Routing and Switching products include the 3000 and 5000 family platforms, 8100 Coherent Routing platforms, and virtualization software for edge and metro networks. Platform Software offerings include Navigator NCS, which provides multi-layer network control and automation. Blue Planet Automation Software enables service providers to accelerate digital transformation through inventory management, multi-domain service orchestration, and unified assurance capabilities. Global Services encompass advisory, implementation, and maintenance support for network infrastructure.
Ciena's strategy focuses on expanding optical networking leadership, scaling market presence with interconnect modules for data center applications, growing addressable market in metro and edge networking, driving software-led transformation, and delivering innovative global services. The company emphasizes coherent optical technology advancement, photonic line systems optimization, and AI-powered network management applications.
As of November 1, 2025, Ciena employed 9,080 full-time employees across 39 countries, with approximately 56 percent in the Americas, 36 percent in Asia Pacific, Japan and India, and 8 percent in Europe, Middle East and Africa. The company maintains approximately 2,400 issued patents and 800 pending patent applications worldwide. Ciena manufactures products through third-party contract manufacturers located in Canada, Mexico, Thailand, Vietnam, and the United States, while maintaining direct relationships with key suppliers to ensure supply chain resilience and transparency.
- Sector
- Technology
- Industry
- Electronic Equipment
- HQ
- HANOVER, MD
- FY end
- 10-31
- CIK
- 936395
- SIC
- 3661
Ownership
Who holds CIENA CORP — across funds, superinvestors and bonds · N-PORT 2026Q2 · 13F 2026-06-30
Top fund holders
| Fund | % of fund | Value |
|---|---|---|
| Fidelity Growth Company Fund FDGRX · Fidelity Mt. Vernon Street Trust | 3.76% | $3.71B |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VTI · VANGUARD INDEX FUNDS | 0.10% | $2.20B |
| JPMorgan Large Cap Growth Fund SEEGX · JPMorgan Trust II | 1.73% | $2.11B |
| VANGUARD 500 INDEX FUND VOO · VANGUARD INDEX FUNDS | 0.11% | $1.80B |
| VANGUARD MID-CAP INDEX FUND VO · VANGUARD INDEX FUNDS | 0.67% | $1.50B |
Bonds held by funds
Funds report holding 2 issues of CIENA CORP's debt, $171.47M at fund-held market value — what funds hold, not the company's debt outstanding. Weighted-average coupon 4.00%, maturing 2030–2031.
| Issue | Coupon | Matures | Funds | Fund-held |
|---|---|---|---|---|
| Ciena Corp | 0.000%None | 2031-09-15 | 39 | $107.57M |
| Ciena Corp. | 4.000% | 2030-01-31 | 53 | $63.90M |
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”.
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