ON Semiconductor market cap ON

Share price times shares outstanding: what the whole company sells for, since 2010.

ON Semiconductor is worth $28.1B at the close on Oct 23, 2026, at $72.25 a share.

That is up 36% over the last year and up 36% over five years.

Its highest close in our data was $51.8B in May 2011.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$28.1B	$22.4B	$47.7B	+27%
2025	$22.1B	$14.2B	$27.2B	−21%
2024	$28.1B	$25.9B	$34.7B	−22%
2023	$36B	$27B	$45.4B	+33%
2022	$27B	$20.4B	$32.5B	−8%
2021	$29.3B	$14.2B	$29.3B	+117%
2020	$13.5B	$4.4B	$13.5B	+34%
2019	$10.1B	$6.9B	$10.1B	+46%
2018	$6.9B	$6.2B	$11.3B	−23%
2017	$8.9B	$5.4B	$9.1B	+67%
2016	$5.3B	$2.9B	$5.4B	+32%
2015	$4B	$3.8B	$5.7B	−9%
2014	$4.5B	$3.3B	$42.6B	−88%
2013	$36.6B	$30.9B	$38.5B	+18%
2012	$31.1B	$26.4B	$42.2B	−10%
2011	$34.7B	$29.5B	$51.8B	−19%
2010	$42.7B	$26.6B	$42.7B	n/a

Companies in Semiconductors nearest ON Semiconductor's size, closest first, today.

Company	Market cap
ONON Semiconductor	$28.1B
CRDOCredo Technology	$27.7B
QQnity Electronics	$23B
ENTGEntegris	$20.6B
MCHPMicrochip Technology	$40.2B
MTSIMACOM Technology Solutions	$18B
ALABAstera Labs	$44.6B
TERTeradyne	$48.3B
MPWRMonolithic Power Systems	$56B
LSCCLattice Semiconductor	$13.7B
NXPINXP Semiconductors	$59.2B
Peer median	$33.9B