Ciena Corporation
Key statistics
from XBRL data in SEC filingsAI briefing
from the latest 10-K, 10-Q and 8-K eventsCiena is a network technology company that supplies optical networking, routing and switching hardware, software and services to cloud providers, service providers and other network operators, with fiscal 2025 revenue of $4.77 billion.
What they do
Ciena sells networking platforms - an Optical Networking portfolio and a Routing and Switching portfolio - that move traffic from the network core to end-user access points, plus Platform Software for multi-layer domain control and Blue Planet Automation Software for service lifecycle automation. Its solutions carry cloud, voice, video, data and AI traffic for customers globally. It also provides services that accompany these hardware and software products.
Revenue drivers
- Optical Networking — The largest segment: $1.19 billion, or 71.3% of revenue in the quarter ended August 1, 2026, up from $815.5 million (66.9%) a year earlier. This is the company's core optical systems and interconnect business sold to cloud and service providers.
- Routing and Switching — Contributed $164.4 million, or 9.8% of revenue in the August 1, 2026 quarter, versus $125.9 million (10.3%) a year earlier. Part of the Networking Platforms portfolio applied from core to access.
- Platform Software and Services — Generated $98.6 million, or 5.9% of revenue in the quarter ended August 1, 2026, compared with $90.0 million (7.4%) a year earlier. Provides multi-layer domain control and operations software attached to the networking platforms.
- Blue Planet Automation Software and Services — The smallest reported line at $23.2 million, or 1.4% of revenue in the August 1, 2026 quarter, down from $27.8 million (2.3%) a year earlier. It provides productized OSS for service lifecycle management across domains and vendors.
Recent performance
Fiscal third quarter 2026 revenue was $1.67 billion, up 37% from $1.22 billion in the fiscal third quarter 2025, which the company said reflected strong AI- and cloud-related demand. GAAP gross margin rose to 45.4% from 41.3%, and GAAP operating margin was 18.0% versus 6.1%. GAAP net income per diluted share was $1.83 against $0.35 a year earlier, with adjusted EPS of $2.11 versus $0.67. Two customers each represented 10%-plus of revenue, together 41.7% of revenue, and the company repurchased about 0.4 million shares for $171.7 million. Annual revenue has grown from $3.62 billion in 2021 to $4.77 billion in 2025, with net income of $123.3 million and operating cash flow of $806.1 million in fiscal 2025.