# Rambus Inc. (RMBS)

- Sector: Technology · Industry: Semiconductors
- SEC CIK: 0000917273 ([filings on EDGAR](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=0000917273))
- Full page: https://inspectstocks.com/stocks/rmbs
- Data as of: price 2026-09-25; newest filing used 2026-04-28; latest fiscal period ended 2026-03-31

## Grade

**A+** on the growth-and-cash rubric, 5 of 5 checks passed.

| Check | Result | Now | Before |
| --- | --- | --- | --- |
| Revenue growing overall | passed | $721.2M | $469.5M |
| Revenue growing recently | passed | $721.2M | $707.6M |
| Free cash flow positive | passed | $335.2M |  |
| Free cash flow growing overall | passed | $335.2M | $203.2M |
| Free cash flow growing recently | passed | $335.2M | $333.2M |

Business quality (the + / − mark): 6 of 6 checks passed.

| Check | Result | Now | Before |
| --- | --- | --- | --- |
| Profitable | passed | 31.9% |  |
| Healthy profit margin | passed | 31.9% |  |
| Strong operating margin | passed | 35.9% |  |
| Good return on equity | passed | 16.9% |  |
| Debt under control | passed | 0.02 |  |
| Turns sales into cash | passed | 46.5% |  |

How the grade works: the letter counts failed checks (none → A, one → B, two → C, three → D, four or more → F). It is built from SEC filings only — the share price never enters it — and describes the business, not whether the stock is worth buying.

## Key figures

In US dollars, as filed.

| Measure | Value |
| --- | --- |
| Revenue, trailing twelve months | $721.2M |
| Net income, trailing twelve months | $230M |
| Free cash flow, trailing twelve months | $335.2M |
| Net margin | 31.9% |
| Operating margin | 35.9% |
| Return on equity | 16.9% |
| Debt to equity | 0.02 |
| Diluted EPS, trailing twelve months | $2.10 |
| Share price | $105.16 |
| Market value | $11.4B |
| Price / earnings | 50.1x |
| Price / sales | 15.8x |

## More on this company

- [Overview](https://inspectstocks.com/stocks/rmbs)
- [Financial statements](https://inspectstocks.com/stocks/rmbs/financials)
- [Competitors](https://inspectstocks.com/stocks/rmbs/peers)
- [Earnings](https://inspectstocks.com/stocks/rmbs/earnings)

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Source: InspectStocks, built from the company’s own SEC filings. This describes a business — it is not investment advice and not a recommendation to buy or sell anything.