Onto Innovation market cap ONTO

Share price times shares outstanding: what the whole company sells for, since 2011.

Onto Innovation is worth $9.8B at the close on Oct 23, 2026, at $198.68 a share.

That is up 48% over the last year and up 150% over five years.

Its highest close in our data was $16.6B in Jun 2026.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$9.8B	$8.1B	$16.6B	+24%
2025	$7.9B	$4.3B	$10.7B	−7%
2024	$8.4B	$6.7B	$11.5B	+12%
2023	$7.5B	$3.7B	$7.6B	+123%
2022	$3.4B	$2.9B	$5.2B	−32%
2021	$5B	$2.5B	$5B	+115%
2020	$2.3B	$1.1B	$2.3B	+28%
2019	$1.8B	$668.3M	$1.8B	+171%
2018	$669.6M	$592.4M	$1.1B	+5%
2017	$637.8M	$620.2M	$793.9M	+2%
2016	$624.4M	$312.8M	$641.1M	+71%
2015	$366.2M	$297.9M	$442.6M	−9%
2014	$400.8M	$327.1M	$450.7M	−8%
2013	$434.5M	$320.9M	$440.8M	+30%
2012	$335.2M	$294.8M	$477.9M	−21%
2011	$424.9M	$331.3M	$424.9M	n/a

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