FINHUB Insights

CIEN · Q4 FY25 · Aug 3 – Nov 1, 2025

Ciena Q4 FY25: where the revenue came from and where it went

Ciena Q4 FY25: revenue $1.4B (+20% year over year). Net profit $0B. Largest cohort Routing and Switching $0.4B. The whole income statement as a sankey diagram from the SEC filing.

Period
Aug 3 – Nov 1, 2025
Reported
Dec 12, 2025 10-K
Sankey diagram of Ciena's income statement for Q4 FY25: revenue of $1.4 billion splits into segments and flows out into costs, taxes and net profit.

Tap the diagram to enlarge · figures in billions of dollars

Revenue$1.4B +20% year over year
Gross profit$0.6B 43% margin
Operating profit$0B 1% margin
Net profit$0B 1% margin

The numbers

All figures in billions of U.S. dollars, for Q4 FY25 (period ends Nov 1, 2025).
ItemValueShare of revenueYear over year
Revenue 1.4 100% +20%
Routing and Switching 0.4 29%
Platform Software and 0.4 29% +2%
Maintenance, Support, and Learning 0.3 21%
Blue Planet Automation Software… 0.1 7% +49%
Advisory and Enablement 0.1 7%
Cost of revenue−0.857%
Gross profit0.643% margin+2pp
Research & development−0.217%−1pp
Sales & marketing−0.212%−1pp
G&A−0.15%+0pp
Other−0.18%+0pp
Operating profit01% margin−4pp
Net profit01%−2pp
Filing on EDGAR More quarters of CIEN

Source of the numbers: tables in the filing (10-K). The diagram is generated automatically and checked against EDGAR before release. The fourth quarter has no column of its own in an annual report, so it is the full year minus the first nine months. How we calculate it → About and methodology.

Older quarters