Ciena (CIEN): financials, SEC filings and peers
Ciena (CIEN) is a communications equipment company in the Information Technology sector of the S&P 500, headquartered in Hanover, Maryland.
It was founded in 1992 and joined the S&P 500 on February 9, 2026.
Its fiscal year ends in October, and its shares trade on the NYSE.
In its SEC filings it is classified as “Telephone & Telegraph Apparatus”.
Ciena at a glance
- Revenue (12 months)
- $6.0B
- Revenue growth
- +32.6%
- Operating margin
- 12.3%
- Net income (12 months)
- $654M
- Free cash flow (12 months)
- $814M
- Cash
- $2.4B
- Debt
- $3.2B
- Diluted EPS (12 months)
- $4.48
Twelve months to August 1, 2026, from the 10-Q filed September 3, 2026.
Latest twelve months
Over the twelve months to August 1, 2026, Ciena reported revenue of $6.0 billion, up a strong 32.6% from $4.5 billion a year earlier.
Its operating margin was 12.3%, up 6.9 percentage points from a year earlier: for every $100 of sales, about $12 was left as operating profit.
Net income was $654 million (10.9% of revenue), 364.5% higher than a year earlier.
Operating cash flow was $1.1 billion and capital spending $240 million, leaving free cash flow of $814 million (13.5% of revenue).
At the end of the period it held $2.4 billion in cash and $3.2 billion in debt, a net debt position of $784 million.
The diluted share count rose 1.0% in a year, which dilutes existing shareholders.
Five-year trend
- Revenue went from $3.5 billion in fiscal 2020 to $4.8 billion in fiscal 2025, about 6.2% a year.
- Operating margin narrowed from 13.8% to 4.1% over the same years.
- Free cash flow was negative in 1 of the last 6 fiscal years.
| Fiscal year | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|
| Revenue | $3.6B | $3.6B | $4.4B | $4.0B | $4.8B |
| Revenue growth | 2.5% | 0.3% | 20.8% | -8.5% | 18.8% |
| Operating margin | 13.7% | 6.1% | 8.2% | 4.1% | 4.1% |
| Net income | $500M | $153M | $255M | $84M | $123M |
| Free cash flow | $462M | −$259M | $62M | $378M | $665M |
| Diluted EPS | $3.19 | $1.00 | $1.71 | $0.58 | $0.85 |
Fiscal years as reported in Ciena’s 10-K filings. Free cash flow is operating cash flow minus capital spending.
Recent SEC filings
Companies like Ciena
Other S&P 500 companies in Communications Equipment:
- ANETArista NetworksSanta Clara, California
- CSCOCiscoSan Jose, California
- FFIVF5, Inc.Seattle, Washington
- LITELumentumSan Jose, California
- MSIMotorola SolutionsChicago, Illinois
More from Information Technology
Questions about Ciena
Is Ciena's revenue growing?
Yes. Revenue for the twelve months to August 1, 2026 was $6.0 billion, up 32.6% from a year earlier, according to its SEC filings.
Is Ciena profitable?
Yes. It earned $654 million in net income over the twelve months to August 1, 2026, a net margin of 10.9%.
Does Ciena have more cash or more debt?
At August 1, 2026 it had $2.4 billion in cash and $3.2 billion in debt, so more debt than cash.
When did Ciena last file financial results?
Its latest quarterly report (10-Q) was filed with the SEC on September 3, 2026.
Which companies are similar to Ciena?
In the S&P 500, Ciena is grouped in Communications Equipment within the Information Technology sector. Arista Networks (ANET), Cisco (CSCO), F5, Inc. (FFIV), Lumentum (LITE), Motorola Solutions (MSI) are in the same group.
Understand the numbers
Source: Ciena’s filings with the U.S. Securities and Exchange Commission (EDGAR), retrieved September 27, 2026. Figures are as reported by the company and may be restated. This page is for information only and is not financial advice.