| 7D | -2.1% |
| 1M | +34.0% |
| 3M | +13.1% |
| 6M | +34.3% |
| YTD | +85.4% |
| 1Y | +168.7% |
Onto Innovation Inc. is an American semiconductor company formed in 2019 from the merger of Rudolph Technologies, Inc. and Nanometrics Incorporated. It is a provider of process and process control equipment and software for microelectronic manufacturing industries.