R&D expense · 2011–2025
Ciena R&D expense
$848M+10.5% · FY2025
Ciena (CIEN) reported $848M in R&D expense for fiscal 2025, +10.5% year on year.
| Fiscal year | R&D expense | Change | Filing |
|---|---|---|---|
| FY20252025-11-01 | $848M | +10.5% | Open → |
| FY20242024-11-02 | $767M | +2.3% | Open → |
| FY20232023-10-28 | $751M | +20.2% | Open → |
| FY20222022-10-29 | $625M | +16.4% | Open → |
| FY20212021-10-30 | $537M | +1.3% | Open → |
| FY20202020-10-31 | $530M | −3.3% | Open → |
| FY20192019-11-02 | $548M | +11.5% | Open → |
| FY20182018-11-03 | $492M | +3.4% | Open → |
| FY20172017-10-31 | $475M | +5.2% | Open → |
| FY20162016-10-31 | $452M | +9.1% | Open → |
| FY20152015-10-31 | $414M | +3.2% | Open → |
| FY20142014-10-31 | $401M | +4.6% | Open → |
| FY20132013-10-31 | $383M | +5.3% | Open → |
| FY20122012-10-31 | $364M | −4.1% | Open → |
| FY20112011-10-31 | $380M | — | Open → |
R&D expense — Research and development expense is what the company charged to R&D in the income statement for the year. Most companies report no R&D at all — the line is absent rather than zero — so this ranking covers the roughly 40% of filers that do.
Every row links to its own SEC filing · Fiscal year 2025 · Data as of September 25, 2026 · 2011–2025 compound annual growth +5.9%
R&D expense at companies of similar size
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Ready-made references for the figures on this page, as published on September 25, 2026.
Wikipedia
{{cite web |title=Ciena R&D expense |url=https://companiesranked.com/en/company/ciena/research-and-development-expense |website=CompaniesRanked |date=2026-09-25 |language=en}}APA 7
CompaniesRanked. (September 25, 2026). Ciena R&D expense. CompaniesRanked. https://companiesranked.com/en/company/ciena/research-and-development-expenseBibTeX
@misc{companiesranked-en-company-ciena-research-and-development-expense-2026,
author = {{CompaniesRanked}},
title = {{Ciena R\&D expense}},
year = {2026},
howpublished = {\url{https://companiesranked.com/en/company/ciena/research-and-development-expense}},
note = {Compiled from SEC EDGAR XBRL filings; data as of 2026-09-25},
urldate = {2026-09-25}
}The figures are rebuilt with every data refresh, so the reference carries the publication date. Add your own access date if your style requires one.