Power Integrations market cap POWI

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

Power Integrations is worth $2.6B at the close on Oct 23, 2026, at $46.98 a share.

That is up 9% over the last year and down 58% over five years.

Its highest close in our data was $6.6B in Sep 2021.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$2.6B	$2.1B	$4.9B	+27%
2025	$2.1B	$1.8B	$3.7B	−42%
2024	$3.6B	$3.3B	$4.7B	−23%
2023	$4.7B	$4B	$5.6B	+14%
2022	$4.1B	$3.6B	$5.7B	−27%
2021	$5.6B	$4.7B	$6.6B	+14%
2020	$4.9B	$2.4B	$4.9B	+68%
2019	$2.9B	$1.7B	$2.9B	+64%
2018	$1.8B	$1.5B	$2.3B	−19%
2017	$2.2B	$1.8B	$2.5B	+11%
2016	$2B	$1.2B	$2B	+43%
2015	$1.4B	$1.1B	$1.7B	−12%
2014	$1.6B	$1.4B	$2B	−3%
2013	$1.6B	$1B	$1.7B	+69%
2012	$953.1M	$794.6M	$1.2B	+2%
2011	$930.2M	$856.9M	$1.2B	−17%
2010	$1.1B	$746.9M	$1.2B	n/a

Companies in Semiconductors nearest Power Integrations' size, closest first, today.

Company	Market cap
POWIPower Integrations	$2.6B
VECOVeeco Instruments	$2.6B
IPGPIPG Photonics	$3B
OSISOSI Systems	$3.1B
PENGPenguin Solutions	$3.2B
ACLSAxcelis Technologies	$3.3B
ACMRACM Research	$3.5B
DIODDiodes	$3.7B
KLICKulicke & Soffa Industries	$3.9B
PLABPhotronics	$1.7B
ENPHEnphase Energy	$4.2B
Peer median	$3.3B