Rambus Inc. (RMBS) Cash Flow Statement

NASDAQ: RMBSOperating cash, capex, free cash flow and buybacks.

Where RMBS’s cash came from and went, 2025

December 31, 2025 · U.S. dollars
Cash from operations
$360.0M
+56.1% vs 2024
Capital expenditures
$26.8M
3.8% of revenue
Free cash flow
$333.2M
47.1% margin
Returned to shareholders
$7.1M
2% of free cash flow
Change in cash
$83.1M
cash at year-end $182.8M
Cash from operations: $360.0MCash from operations$360.0MInvestments (net): $196.3MInvestments (net)$196.3M · 54%Other financing: $47.3MOther financing$47.3M · 13%Capital expenditures: $26.8MCapital expenditures$26.8M · 7%Added to cash: $83.1MAdded to cash$83.1M · 23%Share buybacks: $7.1MShare buybacks$7.1M · 2%$360.6M
Cash from operations
$360.0M
Capital expenditures
−$26.8M
Investments (net)
−$196.3M
Share buybacks (net)
−$7.1M
Other financing
−$47.3M
Change in cash
$83.1M

Drawn to scale: where the cash came from and how it was used. Hover for values.

RMBS operating cash flow, capex and free cash flow

Operating cash flowCapital expendituresFree cash flowFCF margin (right axis)

RMBS cash flow trends, 2016–2025

Rambus Inc. cash flow trends
MetricTrendThenLatestChange
Operating cash flow$92.5M2016$360.0M2025+16.3%/yr
Capital expenditures$8.6M2016$26.8M2025+13.5%/yr
Free cash flow$84.0M2016$333.2M2025+16.5%/yr
Free cash flow margin25.0%201647.1%2025+22.1 pts
Operating cash flow / net income13.5720161.562025−12.01
Stock-based compensation$21.0M2016$54.3M2025+11.1%/yr
Dividends paid$02016$10.7M2023—
Share buybacks (net)$3.1M2016$7.1M2025+9.8%/yr
Capex / revenue2.5%20163.8%2025+1.3 pts

Change is the average annual growth (CAGR) or the difference between the first and latest year.

RMBS cash flow by activity

OperatingInvestingFinancingChange in cash

RMBS net income vs operating cash flow

Net incomeOperating cash flow

Operating cash flow above net income usually means earnings are backed by cash (depreciation and stock-based pay are non-cash expenses).

RMBS cash flow statement

Rambus Inc. annual cash flow statement
2025202420232022202120202019201820172016
Operating activities
Net income$230.5M$179.8M$333.9M−$14.3M$18.3M−$43.6M−$90.4M−$158.0M−$22.9M$6.8M
Depreciation & amortization$42.0M$42.7M$48.4M$47.1M$44.3M$48.2M$40.6M$40.1M$55.2M$50.1M
Stock-based compensation$54.3M$44.9M$45.0M$35.6M$27.5M$25.8M$26.5M$21.7M$27.4M$21.0M
Change in working capital$3.6M−$23.0M$8.3M$64.9M$103.7M$149.1M$138.6M$94.5M$9.2M$6.3M
Other non-cash items$29.7M−$13.8M−$239.9M$97.1M$15.5M$6.0M$13.3M$88.8M$48.4M$8.3M
Cash from operating activities$360.0M$230.6M$195.8M$230.4M$209.2M$185.5M$128.5M$87.1M$117.4M$92.5M
Investing activities
Capital expenditures−$26.8M−$30.7M−$23.2M−$20.5M−$13.8M−$29.7M−$6.5M−$11.1M−$9.5M−$8.6M
Investments (net)−$196.3M−$56.7M−$34.6M$185.4M−$4.7M−$59.5M−$144.3M−$60.7M−$66.0M$105.8M
Acquisitions & other investing$0$30.7M$490,000−$12.9M−$97.1M−$1.1M$9.3M$3.8M$33,000−$202.4M
Cash from investing activities−$223.1M−$56.7M−$57.4M$152.0M−$115.7M−$90.4M−$141.5M−$68.0M−$75.5M−$105.2M
Financing activities
Dividends paid——−$10.7M—−$12.5M−$13.2M−$15.4M—−$195.7M$0
Share repurchases & issuance (net)−$7.1M−$113.3M−$100.5M−$100.4M−$100.1M−$50.1M−$7.0M−$50.0M−$50.0M−$3.1M
Net borrowing (repayment)$0$0−$10.4M−$258.1M−$12.5M−$13.2M−$8.4M−$82.3M$62.6M−$661,000
Shares issued$0$0$0$0$0$0$0$0$0$0
Other financing−$47.3M−$54.7M−$48.0M−$4.5M$10.8M$15.3M$30.5M$4.6M$229.6M$9.5M
Cash from financing activities−$54.4M−$168.0M−$169.6M−$362.9M−$114.2M−$61.2M−$298,000−$127.7M$46.4M$5.8M
Summary
Net change in cash$83.1M$5.0M−$30.9M$17.4M−$21.1M$34.0M−$13.7M−$109.6M$90.5M−$8.5M
Cash at end of period$182.8M$99.8M$94.8M$125.7M$108.3M$136.5M$102.5M$116.3M$225.8M$135.3M
Free cash flow$333.2M$199.9M$172.5M$209.9M$195.4M$155.7M$122.1M$76.0M$107.9M$84.0M
Free cash flow margin47.1%35.9%37.4%46.2%59.5%63.2%54.5%32.9%27.5%25.0%
Capex / revenue3.8%5.5%5.0%4.5%4.2%12.1%2.9%4.8%2.4%2.5%
Operating cash flow / net income1.561.280.59—11.41————13.57

Negative numbers are cash paid out. Quarterly columns are labeled by the month the quarter ended. Figures in U.S. dollars as reported; data from EODHD.

RMBS cash generation

In fiscal 2025 (ended December 31, 2025), Rambus generated $360.0 million of cash from operations (up 56.1%) and spent $26.8 million on capital expenditures, leaving free cash flow of $333.2 million, 47.1% of revenue. It returned $7.1 million to shareholders through dividends ($0) and net share buybacks ($7.1 million). Cash and equivalents rose by $83.1 million over the year.

Related: RMBS income statement, RMBS balance sheet. See the RMBS stock overview for the latest quote and news.

RMBS cash flow FAQ

What is Rambus's free cash flow?

Rambus's free cash flow was $333.2 million in fiscal 2025: $360.0 million of operating cash flow minus $26.8 million of capital expenditures It was $199.9 million a year earlier..

How much cash does Rambus generate from operations?

Rambus generated $360.0 million of cash from operating activities in fiscal 2025, 1.56 times its net income of $230.5 million.

How much does Rambus spend on capital expenditures?

Rambus spent $26.8 million on capital expenditures in fiscal 2025, 3.8% of revenue, compared with $30.7 million the year before.

How much stock does Rambus buy back?

Rambus spent $7.1 million on net share repurchases in fiscal 2025.

Semiconductors: cash flow