What is Rambus's revenue?

Rambus (RMBS) generated $721.2M in revenue over the trailing twelve months, up 19.1% year over year.

Is Rambus profitable?

Rambus reported $230.0M in net income over the trailing twelve months, a 31.9% net margin.

What are Rambus's profit margins?

Gross margin is 79.5% and operating margin is 35.9%, with a 31.9% net margin.

What is Rambus's earnings per share?

Rambus's diluted EPS over the trailing twelve months is $2.10.

Where does Rambus's income statement data come from?

Every line is extracted from Rambus's SEC filings (10-K and 10-Q) and tagged in XBRL. Switch between quarterly, annual, and trailing-twelve-month views, or open any line for its full history and peer comparisons.

Rambus RMBS Income Statement

Income Statement Balance Sheet Cash Flow Ratios Segments

Quarterly Annual TTM

YoY QoQ

Simplified Detailed

	TTM Q1 '26	TTM Q4 '25	TTM Q3 '25	TTM Q2 '25	TTM Q1 '25
Total revenue	$721.16M+1.9%	$707.63M+4.3%	$678.49M+5.1%	$645.49M+6.6%	$605.42M+8.8%
Total cost of revenue	$148.11M+2.6%	$144.42M+6.4%	$135.72M+6.7%	$127.23M+6.7%	$119.29M+8.3%
Gross profit	$573.05M+1.7%	$563.22M+3.8%	$542.77M+4.7%	$518.26M+6.6%	$486.13M+8.9%
Gross margin	79.5%-0.1pp	79.6%-0.4pp	80%-0.3pp	80.3%0.0pp	80.3%+0.1pp
Research and development	$195.32M+4.1%	$187.71M+3.0%	$182.16M+4.7%	$173.95M+3.5%	$168.14M+3.2%
Selling, general and administrative	$118.9M+3.1%	$115.29M+1.7%	$113.33M+3.0%	$110.04M+3.5%	$106.33M+2.1%
Other operating expenses	$314.22M+3.7%	$303M+2.5%	$295.52M+5.7%	$279.57M+3.5%	$270.11M+2.5%
Total operating expenses	$314.22M+3.7%	$303M+2.5%	$295.52M+5.7%	$279.57M+3.5%	$270.11M+2.5%
Operating income	$258.83M-0.5%	$260.22M+5.2%	$247.25M+3.6%	$238.69M+10.5%	$216.02M+18.0%
Operating margin	35.9%-0.9pp	36.8%+0.3pp	36.4%-0.5pp	37%+1.3pp	35.7%+2.8pp
Interest expense	$1.28M-7.1%	$1.37M-2.3%	$1.41M-2.3%	$1.44M+0.8%	$1.43M+0.8%
Other income (expense), net	$24.13M+11.0%	$21.74M+9.8%	$19.8M+9.3%	$18.11M+4.7%	$17.29M+1.5%
Income before income taxes	$282.96M+0.4%	$281.96M+5.6%	$267.06M+4.0%	$256.8M+10.1%	$233.31M+16.6%
Income tax expense	$52.95M+2.8%	$51.5M+34.7%	$38.24M+38.1%	$27.7M+6.2%	$26.09M+29.0%
Net income	$230.01M-0.2%	$230.46M+0.7%	$228.82M-0.1%	$229.11M+10.6%	$207.23M+15.2%
Net margin	31.9%-0.7pp	32.6%-1.2pp	33.7%-1.8pp	35.5%+1.3pp	34.2%+1.9pp
Diluted earnings per share	$2.10-0.5%	$2.11+0.5%	$2.10-0.5%	$2.11+10.5%	$1.91+15.8%
Basic earnings per share	$2.13-0.5%	$2.14+0.5%	$2.130.0%	$2.13+10.9%	$1.92+15.7%
Weighted-average shares, diluted	436.8M+0.2%	435.7M0.0%	435.5M+0.2%	434.7M-0.1%	435.2M-0.3%
Weighted-average shares, basic	430.8M+0.2%	430M0.0%	429.9M+0.1%	429.5M0.0%	429.6M-0.2%
Amortization Of Acquired Intangible Assets Cost Of Revenue	——	$6.88M-13.6%	$7.96M-12.0%	$9.04M-10.7%	$10.12M-9.7%
Amortization Of Acquired Intangible Assets Operating Expenses	——	$0-100%	$126.5K-50.0%	$253K-33.3%	$379.5K-25.0%
Amortizationofacquiredintangibleassetscostofrevenue	——	——	——	——	——
Cost Of Contract And Other Revenue	——	$2.86M-1.5%	$2.9M-1.5%	$2.94M-1.4%	$2.99M-1.4%
Cost Of Product Revenue	——	$134.68M+7.8%	$124.98M+8.4%	$115.28M+9.2%	$105.58M+10.1%
Costof Contractand Other Revenue	——	——	——	——	——
Costof Product Revenue	——	——	——	——	——
Equity Method Investment Realized Gain Loss On Disposal	——	$0—	$0—	$0—	$0—
Other Nonoperating Income	$25.41M+9.9%	$23.11M+9.0%	$21.21M+8.5%	$19.55M+4.4%	$18.72M+1.5%
EBITDA	$292.76M0.0%	$292.71M+4.4%	$280.35M+3.2%	$271.7M+8.9%	$249.56M+14.6%
EBITDA margin	40.6%-0.8pp	41.4%0.0pp	41.3%-0.8pp	42.1%+0.9pp	41.2%+2.1pp
EBIT	$258.83M-0.5%	$260.22M+5.2%	$247.25M+3.6%	$238.69M+10.5%	$216.02M+18.0%

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Questions, answered.

What is Rambus's revenue?: Rambus (RMBS) generated $721.2M in revenue over the trailing twelve months, up 19.1% year over year.
Is Rambus profitable?: Rambus reported $230.0M in net income over the trailing twelve months, a 31.9% net margin.
What are Rambus's profit margins?: Gross margin is 79.5% and operating margin is 35.9%, with a 31.9% net margin.
What is Rambus's earnings per share?: Rambus's diluted EPS over the trailing twelve months is $2.10.
Where does Rambus's income statement data come from?: Every line is extracted from Rambus's SEC filings (10-K and 10-Q) and tagged in XBRL. Switch between quarterly, annual, and trailing-twelve-month views, or open any line for its full history and peer comparisons.