Filing Flows › Amkor Technology (AMKR) › Q4 2025
Amkor Technology (AMKR) Q4 2025 earnings results (fourth quarter 2025)
10-K filed Feb 20, 2026
Amkor Technology (AMKR) reported revenue of $1.9B for the fourth quarter 2025 (Q4 2025), +16% from a year earlier and -5% from the quarter before. Operating margin was 9.8%, net earnings $173M (9.1% of revenue).
Amkor Technology, Q4 2025: revenue $1.9B (+16% year over year), operating margin 9.8%, net earnings $173M, operating cash flow $644M. The chart follows the revenue to costs, profit and cash.
| Q4 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $1.9B | -5% | +16% |
| Gross profit | $315M | +11% | +28% |
| Operating profit | $185M | +16% | +38% |
| Net earnings | $173M | +36% | +63% |
| Operating cash flow | $644M | +282% | +20% |
| Free cash flow | $212M | — | -16% |
What changed
Revenue was $1.9B in Q4 2025, up 16% year over year and down 5% from the previous quarter. Advanced Products was the largest line at 84% of revenue.
Gross margin was 16.7%, up 1.5 points from a year earlier. Operating profit was $0.18B, a 9.8% margin (up 1.5 points year over year). Of the extra revenue versus a year earlier, 20% reached operating profit, above the 8% margin then. Operating expenses grew 15% against revenue growth of 16%. The fastest-growing cost line was SG&A (+34%). Net earnings were $0.17B, up 63% year over year. The effective tax rate was 4.8%.
Operating cash flow was $0.64B (up 20% year over year), 374% of net earnings. Non-cash charges added back $0.17B of depreciation. Working capital and other items added $0.31B. Capital expenditures of $0.43B left free cash flow of $0.21B.
Questions
What was Amkor Technology's revenue in the fourth quarter 2025?
Amkor Technology (AMKR) reported revenue of $1.9B for the fourth quarter 2025 (Q4 2025), +16% from a year earlier and -5% from the quarter before.
Was Amkor Technology profitable in the fourth quarter 2025?
Operating profit was $185M (9.8% of revenue) and net earnings $173M.
Source: Amkor Technology 10-K on SEC EDGAR.