Quick Answer
RAMBUS INC reported R&D Expense of $187.71 million for fiscal year 2025.
RAMBUS INC R&D Expense — Annual History
| Fiscal Year | R&D Expense | YoY Change |
|---|---|---|
| 2025 | $187.71M | +15.2% |
| 2024 | $162.88M | +3.9% |
| 2023 | $156.83M | -1.2% |
| 2022 | $158.77M | +17.0% |
| 2021 | $135.68M | -3.0% |
| 2020 | $139.84M | -10.8% |
| 2019 | $156.81M | -1.0% |
| 2018 | $158.34M | +6.2% |
| 2017 | $149.13M | +14.9% |
| 2016 | $129.84M | +16.9% |
| 2015 | $111.11M | +1.0% |
| 2014 | $110.03M | -6.7% |
| 2013 | $117.98M | -16.0% |
| 2012 | $140.50M | +21.4% |
| 2011 | $115.70M | +24.8% |
| 2010 | $92.71M | +37.8% |
| 2009 | $67.25M | -11.8% |
| 2008 | $76.22M | — |
Quarterly R&D Expense
| Quarter Ending | R&D Expense | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $49.51M | +19.9% | +6.9% |
| June 30, 2025 | $46.33M | +14.3% | +8.7% |
| March 31, 2025 | $42.62M | +14.1% | +3.2% |
| September 30, 2024 | $41.30M | +10.5% | +1.9% |
| June 30, 2024 | $40.52M | -2.5% | +8.5% |
| March 31, 2024 | $37.36M | -10.8% | -0.0% |
| September 30, 2023 | $37.37M | -4.9% | -10.1% |
| June 30, 2023 | $41.58M | +5.2% | -0.8% |
- RAMBUS INC showed an increase of +15.2% in R&D Expense compared to the prior fiscal year.
- Over the 2008–2025 period, RAMBUS INC’s r&d expense has grown by 146.3% (from $76.22 million to $187.71 million).
- The most recent figure is from RAMBUS INC’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 18, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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