Company profile · Semiconductors
Rambus (RMBS)
Nasdaq: RMBS · San Jose, CA · Data from SEC filings, updated Oct 6, 2026
Overview
Rambus trades on Nasdaq under the ticker RMBS and is classified by RoxMag in the Semiconductors segment (SEC industry code 3674, Semiconductors & Related Devices). Its principal executive offices are in San Jose, CA. The company was founded in 1990. In its annual report for the fiscal year ended December 31, 2025, it reported revenue of $707.6 million and net income of $230.5 million. By public float it ranks #20 of the 68 semiconductors companies profiled on RoxMag.
Rambus Inc. is an American technology company that designs, develops and licenses chip interface technologies and architectures that are used in digital electronics products. The company, founded in 1990, is well known for inventing RDRAM and for its intellectual property-based litigation following the introduction of DDR-SDRAM memory.
Financial history
Annual figures as reported in Rambus's 10-K filings (US dollars).
- Revenue growth
- 27.1%
- vs prior year, FY2025
- Net margin
- 32.6%
- net income ÷ revenue, FY2025
- Operating margin
- 36.8%
- operating income ÷ revenue, FY2025
- R&D share of revenue
- 26.5%
- R&D ÷ revenue, FY2025
| Metric | FY2025 | FY2024 | FY2023 | FY2022 | FY2021 |
|---|---|---|---|---|---|
| Revenue | $707.6M | $556.6M | $461.1M | $454.8M | $328.3M |
| Gross profit | $563.2M | $446.5M | $357.7M | $347.2M | $257.9M |
| Operating income | $260.2M | $183.0M | $153.6M | $76.9M | $24.3M |
| Net income | $230.5M | $179.8M | $333.9M | -$14.3M | $18.3M |
| Research & development | $187.7M | $162.9M | $156.8M | $158.8M | $135.7M |
| Total assets | $1.5B | $1.3B | $1.3B | $1.0B | $1.2B |
| Stockholders' equity | $1.4B | $1.1B | $1.0B | $779.3M | $862.4M |
| Cash & equivalents | $182.8M | $99.8M | $94.8M | $125.3M | $107.9M |
Fiscal-year labels follow the calendar year in which each fiscal year ends. Margins and growth are calculated by RoxMag from the reported figures.
Recent SEC filings
Sources & method
Company identity, address, filings, financial figures, share counts and public float come from the company's own filings with the U.S. Securities and Exchange Commission (EDGAR). Website, founding year, chief executive and employee count come from Wikidata where available; the overview excerpt is from Wikipedia. Fields without a public source are left blank. RoxMag does not estimate figures. This page is general information, not investment advice — see our disclaimer and editorial policy.