Onto Innovation Inc. number of employees

Onto Innovation Inc. reported 1,615 employees at January 3, 2026 in its latest annual report, up 64 (4.1%) on the year before. That compares with 1,411 at January 1, 2022. Revenue per employee was $622,454.

Headcount by year

Fiscal year end	Employees	Change	Revenue per employee	Source
January 3, 2026	1,615	+64 (4.1%)	$622,454	10-K, filed February 24, 2026
December 28, 2024	1,551	+54 (3.6%)	$636,571	10-K, filed February 25, 2025
December 30, 2023	1,497	−139 (8.5%)	$545,002	10-K, filed February 26, 2024
December 31, 2022	1,636	+225 (15.9%)	$614,415	10-K, filed February 24, 2023
January 1, 2022	1,411	—	$559,106	10-K, filed February 25, 2022

What the annual reports say

Human Capital and Talent As of January 3, 2026, we had approximately 1,615 staff globally, 419 in research and development, 263 in operations, 194 in administration and 739 in sales, applications and service support. 2026 annual report
Human Capital and Talent As of December 28, 2024, we had approximately 1,551 staff globally, 370 in research and development, 266 in operations, 209 in administration and 706 in sales, applications and service support. 2024 annual report
Human Capital and Talent As of December 30, 2023, we had approximately 1,497 staff globally, 377 in research and development, 280 in operations, 181 in administration and 659 in sales, applications and service support. 2023 annual report
Human Capital and Talent As of December 31, 2022, we had approximately 1,636 staff globally, 411 in research and development, 318 in operations, 161 in administration and 746 in sales, applications and service support. 2022 annual report
Human Capital and Talent As of January 1, 2022, we had approximately 1,411 staff globally, 367 in research and development, 270 in operations, 131 in administration and 643 in sales, applications and service support. 2022 annual report

Headcount as the company states it in Item 1 of its annual report (some count full-time equivalents or exclude part-time and temporary staff), at the date it gives. Years where the report states no clear total are left out rather than estimated. Changes can reflect acquisitions and disposals as well as hiring and job cuts.

Compare with peers

Head to head: KLIC vs ONTO

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Figures from Onto Innovation Inc.'s SEC filings (10-K and 10-Q), retrieved October 20, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Onto Innovation Inc.