undamentalytics Newsletter

Amkor Technology vs United Microelectronics

Amkor Technology and United Microelectronics are similar in size: $6.71bn and $7.64bn of revenue in their latest fiscal years. Amkor Technology grew faster (6.2% against 5.5%). United Microelectronics kept more of each dollar of sales as profit: a net margin of 17.0% against 5.6%. United Microelectronics carries less debt relative to equity (21.3% against 32.6%).

Latest fiscal yearAmkor TechnologyAMKR, 2025United MicroelectronicsUMC, 2025
Revenue $6.71bn $7.64bn
Revenue growth 6.2% 5.5%
Net income $374m $1.30bn
Operating margin 7.0% 18.5%
Net margin 5.6% 17.0%
Return on equity 8.7% 11.4%
Free cash flow $191m $1.68bn
Cash $1.38bn $3.53bn
Total debt $1.46bn $2.48bn
Debt to equity 32.6% 21.3%
Dividend per share $0.33 —
Dividend yield 0.9% —
Share buybacks — —
Employees 30,800 —
Market value $9.29bn $40.57bn
Price vs our value range Above our value range Above our value range
Moat score 56 (Moderate) —
Insider trades, 12 months 0 buys, 42 sales 0 buys, 5 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.