Onto Innovation Profit Margin

As of the most recent data (March 2026), ONTO shows a profit margin of 10.33%. That compares with 21.36% in the prior-year period — down 51.7% year over year. That is below the Technology sector average of 36.35%. Scroll down for historical charts and peer comparison views.

Compared with the year-ago period, ONTO's profit margin is now 10.33% (was 21.36%) — a 51.7% year-over-year decrease. Pairing that YoY change with peer averages gives a clearer picture of whether Onto Innovation is outperforming or lagging.

The Technology sector average profit margin is about 36.35%. Onto Innovation is at 10.33%, which is lower that average. That is roughly 71.6% below the sector mean. Use the comparison chart on this page to see how ONTO stacks up against individual peers as well.

That compares with 21.36% in the prior-year period — down 51.7% year over year. Improvement over multiple periods is generally more meaningful than a single strong quarter. Compare Onto Innovation with peers to see if the move is company-specific or sector-wide.

Besides this profit margin page, Stockcircle has Onto Innovation's full stock overview, other financial metrics, insider and congress trade tabs, and tools to follow the stock. Together they help you connect profit margin (currently 10.33%) with ownership activity and broader fundamentals.