Quick Answer
CIENA CORP reported R&D Expense of $848.33 million for fiscal year 2025.
CIENA CORP R&D Expense — Annual History
| Fiscal Year | R&D Expense | YoY Change |
|---|---|---|
| 2025 | $848.33M | +10.5% |
| 2024 | $767.50M | +2.3% |
| 2023 | $750.56M | +20.2% |
| 2022 | $624.66M | +16.4% |
| 2021 | $536.67M | +1.3% |
| 2020 | $529.89M | -3.3% |
| 2019 | $548.14M | +11.5% |
| 2018 | $491.56M | +3.4% |
| 2017 | $475.33M | +5.2% |
| 2016 | $451.79M | +9.1% |
| 2015 | $414.20M | +3.2% |
| 2014 | $401.18M | +4.6% |
| 2013 | $383.41M | +5.3% |
| 2012 | $364.18M | -4.1% |
| 2011 | $379.86M | +15.9% |
| 2010 | $327.63M | +72.1% |
| 2009 | $190.32M | +8.7% |
| 2008 | $175.02M | — |
Quarterly R&D Expense
| Quarter Ending | R&D Expense | YoY | QoQ |
|---|---|---|---|
| January 31, 2026 | $221.46M | +14.9% | +4.5% |
| July 31, 2025 | $211.90M | +12.2% | -1.4% |
| April 30, 2025 | $214.87M | +10.0% | +11.5% |
| January 31, 2025 | $192.66M | +2.9% | +2.0% |
| July 31, 2024 | $188.89M | -0.3% | -3.3% |
| April 30, 2024 | $195.38M | +2.8% | +4.3% |
| January 31, 2024 | $187.27M | +3.0% | -1.1% |
| July 31, 2023 | $189.39M | +26.2% | -0.3% |
- CIENA CORP showed an increase of +10.5% in R&D Expense compared to the prior fiscal year.
- Over the 2008–2025 period, CIENA CORP’s r&d expense has grown by 384.7% (from $175.02 million to $848.33 million).
- The most recent figure is from CIENA CORP’s fiscal year 2025 report (Form 10-K), filed with the SEC on December 12, 2025.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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