MARKETS / NASDAQ / RMBS

NASDAQ · SEMICONDUCTORS & RELATED DEVICES · LARGE CAP

Rambus Inc. RMBS

18 fiscal years on record · USD · FY2025 reported · SEC filings only

Revenue

$707.6M

▲ 27.1% YoY

Net income

$230.5M

▲ 28.2% YoY

Free cash flow

$333.2M

▲ 66.7% YoY

In brief

What this company does

It provides complete chipset solutions for industry-standard DDR5 and LPDDR5 memory modules for server and client systems, including Registered Dual Inline Memory Modules and Multiplexed Rank Dual Inline Memory Modules. The company operates a fabless business model and uses third-party foundries and manufacturing contractors to fabricate, assemble and test its memory interface chips. Its Silicon IP includes interface and security IP solutions that move and protect data in AI, data center, government and automotive applications. It licenses its patented inventions to a number of semiconductor and electronic system companies worldwide, including AMD, Broadcom, IBM, Micron, NVIDIA, Qualcomm, Samsung and SK hynix. Research and development expenses were $187.7 million, $162.9 million and $156.8 million for the years ended December 31, 2025, 2024 and 2023, respectively. As of December 31, 2025, the company had 791 employees, of which approximately 47% were in the United States and 53% in other global regions. Rambus Inc. was founded in 1990 and reincorporated in Delaware in March 1997.

Written from the business description in RAMBUS INC's annual report to the U.S. Securities and Exchange Commission, filed 18 February 2026. Every sentence was checked against that document before publication.

Growth

USD 707.6M

Revenue, FY2025 · full 18-year series below

Revenue $M Net income $M

FY2025 · Revenue 707.6 · Net income 230.5

Compound annual growth

Revenue

+15.9%

+23.5%

+9.1%

+5.4%

Net income

+0.9%

EPS, diluted

+1.6%

+3.3%

Returned to shareholders

−58.6%

−32.3%

−23.2%

−19.8%

3 yrs

5 yrs

10 yrs

15 yrs

Revenue compounded at +23.5% a year over five years.

Compound annual rates per period — left blank where that exact year isn't on file, the series crosses a loss, or (per-share rows) a split falls inside the window.

Profitability

33 cents

of every revenue dollar became profit

Operating margin Net margin

FY2025 · Operating 36.8% · Net 32.6%

ROE

FY2025 · ROE 18.5%

Gross margin79.6%

Operating margin36.8%

Net margin32.6%

Return on assets16.0%

EBITDAUSD 272.1M

Each USD of equity produced 19 cents of profit this year.

Cash & shareholders

USD 7.1M

returned in FY2025 · dividends + net buybacks

Free cash flow $M

FY2025 · FCF 333.2

Net buybacks $M Dividends $M

FY2025 · Dividends — · Net buybacks 7.1

Dividends paid—

Net buybacksUSD 7.1M

Share of profit3.1%

Consecutive raises—

USD 7.1M in buybacks — 3% of the year's profit went back to shareholders.

Total assetsUSD 1.5B

EquityUSD 1.4B

CashUSD 182.8M

Current ratio8.20×

Equity funds 89% of total assets.

The 18-year record

18 fiscal years

Every figure from documents filed with the SEC · USD

row low → row highnegative

Metric	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015	2014	2013	2012	2011	2010	2009	2008
Revenue $B	0.7	0.6	0.5	0.5	0.3	0.2	0.2	0.2	0.4	0.3	0.3	0.3	0.3	0.2	0.3	0.3	0.1	0.1
Operating income $B	0.3	0.2	0.2	0.1	0.0	−0.0	−0.1	−0.1	0.1	0.0	0.1	0.1	0.0	−0.1	−0.0	0.2	−0.1	−0.1
EBITDA $B	0.3	0.2	0.2	0.1	0.0	−0.0	−0.1	−0.1	0.1	0.0	0.1	0.1	0.0	−0.1	0.0	0.2	−0.1	−0.1
Income tax $B	0.1	0.0	−0.1	0.0	0.0	0.0	0.0	0.1	0.1	0.0	−0.2	0.0	0.0	0.0	0.0	0.1	−0.0	0.1
Net income $B	0.2	0.2	0.3	−0.0	0.0	−0.0	−0.1	−0.2	−0.0	0.0	0.2	0.0	−0.0	−0.1	−0.0	0.2	−0.1	−0.2
Free cash flow $B	0.3	0.2	0.2	0.2	0.2	0.2	0.1	0.1	0.1	0.1	0.1	0.1	0.0	−0.0	0.0	0.2	−0.0	−0.0
EPS, diluted $	2.11	1.65	3.01	−0.13	0.16	−0.36	−0.77	−1.46	−0.21	0.06	1.80	0.22	−0.30	−1.21	·	1.30	−0.88	−1.90
Dividend / sh $	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·
Payout %	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·	·
ROE %	18.5	16.7	36.7	−1.7	2.1	−4.3	−8.7	−19.9	−4.1	1.3	46.0	7.2	−10.2	−35.8	−11.3	51.1	−37.8	−85.5
Shares out B	0.11	0.11	0.11	0.11	0.11	0.11	0.11	0.11	0.11	0.11	0.11	0.12	0.11	0.11	0.11	0.10	0.11	·

Slide the table for earlier years · "·" marks a figure not available in our data for that year.

Provenance

Company facts, as filed

How we verify · 0 failures in 77 reconciliationsAUDITED

Reconciled in 18 of 19 fiscal years. 9 checks could not be computed.

EPS recomputationBalance-sheet identityGross profitBalance-sheet liquiditymoeda_consistente0 failures

ActivitySemiconductors & Related Devices

Listed onNASDAQ

Incorporated inDelaware

Fiscal year endsDecember 31

Data on record since2008