AMKR vs ONTO
Amkor Technology, Inc. and Onto Innovation Inc., both Technology
Amkor Technology, Inc. is the larger company at $21B against $17B. On trailing earnings AMKR is the cheaper of the two at a P/E of 28.1 against 110.7, a gap that is only a bargain if the two are growing at similar rates. Over the past year ONTO returned +140% against +74% for AMKR. The RyuScore puts ONTO ahead, 57 against 48 out of 100.
| Figure | AMKR | ONTO |
|---|---|---|
| Last close | $49.13 | $294 |
| Market cap | $21B | $17B |
| Trailing P/Elower is cheaper for the same earnings, not automatically better | 28.1 | 110.7 |
| Dividend yield | 0.7% | n/a |
| 1-year return | +74% | +140% |
| 5-year return | +82% | +270% |
| RyuScoresector-relative, 1–10 | 48/100 | 57/100 |
Figures from SEC filings and end-of-day closes. Highlighting marks the higher or lower number, which is not the same as the better investment, a low P/E can be a warning and a high one can be deserved.
Amkor Technology, Inc.
Revenue of $1.7B in Q1 2026, net income $83M. Its largest reported line is Advanced Products, 82% of the disclosed total.
Onto Innovation Inc.
Revenue of $343M in Q2 2026, net income $60M. Its largest reported line is Taiwan, 31% of the disclosed total.
Open these two in the interactive comparison to add more names, change the period or see the correlation.