undamentalytics Newsletter

Chipmos Technologies vs Rambus

Chipmos Technologies and Rambus are similar in size: $769m and $708m of revenue in their latest fiscal years. Rambus grew faster (27.1% against 8.8%). Rambus kept more of each dollar of sales as profit: a net margin of 32.6% against 2.3%.

Latest fiscal yearChipmos TechnologiesIMOS, 2025RambusRMBS, 2025
Revenue $769m $708m
Revenue growth 8.8% 27.1%
Net income $17.7m $230m
Operating margin 4.8% —
Net margin 2.3% 32.6%
Return on equity 2.3% 18.5%
Free cash flow $4.7m $333m
Cash $474m $183m
Total debt $493m $0
Debt to equity 64.5% —
Dividend per share — —
Dividend yield — —
Share buybacks — $7.1m
Employees — 791
Market value $1.83bn $9.41bn
Price vs our value range — Below our value range
Moat score — 73 (Strong)
Insider trades, 12 months 0 buys, 0 sales 0 buys, 32 sales

Each figure is from the company's latest annual report and links to the page it comes from. Fiscal years can end on different dates. Market value and the value verdict use the delayed price shown on the stock pages. Not a recommendation.

Go deeper

Figures from each company's latest annual report filed with the SEC (10-K or 20-F), as reported, with the fiscal year shown. Not investment advice. How we read filings: methodology.