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NASDAQ · SEMICONDUCTORS & RELATED DEVICES · LARGE CAP

Rambus Inc. RMBS

18 fiscal years on record · USD · FY2025 reported · SEC filings only
$707.6M
▲ 27.1% YoY
$230.5M
▲ 28.2% YoY
$333.2M
▲ 66.7% YoY

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

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
250.0M500.0M-100.0M-200.0M
2008201120142017202020232025
Compound annual growth
+15.9%
+23.5%
+9.1%
+5.4%
+0.9%
+1.6%
−58.6%
−32.3%
3 yrs
5 yrs
10 yrs
15 yrs

Revenue compounded at +23.5% a year over the five years to FY2025.

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%
20%40%60%-50%-100%
200820162025
ROE
FY2025 · ROE 18.5%
20%40%-50%
200820162025
Three returns, three denominators.
Gross margin79.6%
Operating margin36.8%
Net margin32.6%
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
150M300M-20M-40M
200820162025
Net buybacks $M Dividends $M
FY2025 · Dividends · · Net buybacks 7.1
100M200M
200820112013201520172019202120232025
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—not applicable◌not available in our data
RMBS, 18-year financial record
Metric 202520242023202220212020201920182017201620152014201320122011201020092008
Revenue $B0.70.60.50.50.30.20.20.20.40.30.30.30.30.20.30.30.10.1
Operating income $B0.30.20.20.10.0−0.0−0.1−0.10.10.00.10.10.0−0.1−0.00.2−0.1−0.1
EBITDA $B0.30.20.20.10.0−0.0−0.1−0.10.10.00.10.10.0−0.10.00.2−0.1−0.1
Income tax $B0.10.0−0.10.00.00.00.00.10.10.0−0.20.00.00.00.00.1−0.00.1
Net income $B0.20.20.3−0.00.0−0.0−0.1−0.2−0.00.00.20.0−0.0−0.1−0.00.2−0.1−0.2
Free cash flow $B0.30.20.20.20.20.20.10.10.10.10.10.10.0−0.00.00.2−0.0−0.0
EPS, diluted $2.111.653.01−0.130.16−0.36−0.77−1.46−0.210.061.800.22−0.30−1.21◌1.30−0.88−1.90
Dividend / sh $◌◌◌◌◌◌◌◌◌◌◌◌◌◌◌◌◌◌
Payout % — not applicable: no dividend——————————————————
ROE %18.516.736.7−1.72.1−4.3−8.7−19.9−4.11.346.07.2−10.2−35.8−11.351.1−37.8−85.5
Shares out B0.110.110.110.110.110.110.110.110.110.110.110.120.110.110.110.100.11◌

Slide the table for earlier years. "—" not applicable · "◌" not available in our data.

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Provenance

Company facts, as filed

How we verify · 0 failures in 77 reconciliationsAUDITED

Reconciled in 18 of the 18 fiscal years we could check. Four checks were skipped: the balance sheet is not tagged before 2009. Two checks were skipped: cost of revenue is not tagged before 2009. One check was skipped: EPS is not tagged before 2008.

EPS recomputationBalance-sheet identityGross profitBalance-sheet liquidityCurrency consistency0 failures
ActivitySemiconductors & Related Devices
Listed onNASDAQ
Incorporated inDelaware
Fiscal year endsDecember 31
Data on record since2008

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