OSI Systems market cap OSIS

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

OSI Systems is worth $3.1B at the close on Oct 23, 2026, at $197.48 a share.

That is down 25% over the last year and up 89% over five years.

Its highest close in our data was $5.1B in Apr 2026.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$3.1B	$3.1B	$5.1B	−31%
2025	$4.6B	$2.6B	$4.8B	+60%
2024	$2.9B	$2.1B	$3B	+31%
2023	$2.2B	$1.4B	$2.2B	+64%
2022	$1.3B	$1.2B	$1.7B	−20%
2021	$1.7B	$1.6B	$1.8B	+0%
2020	$1.7B	$993.2M	$1.9B	−10%
2019	$1.9B	$1.3B	$2.1B	+40%
2018	$1.3B	$1B	$1.4B	+9%
2017	$1.2B	$1.2B	$1.8B	−16%
2016	$1.5B	$940.8M	$1.7B	−17%
2015	$1.7B	$1.3B	$1.9B	+22%
2014	$1.4B	$1.1B	$1.4B	+37%
2013	$1.1B	$1B	$1.5B	−17%
2012	$1.3B	$979.7M	$1.6B	+32%
2011	$958.3M	$835.1M	$958.3M	n/a

Companies in Semiconductors nearest OSI Systems' size, closest first, today.

Company	Market cap
OSISOSI Systems	$3.1B
PENGPenguin Solutions	$3.2B
IPGPIPG Photonics	$3B
ACLSAxcelis Technologies	$3.3B
ACMRACM Research	$3.5B
DIODDiodes	$3.7B
POWIPower Integrations	$2.6B
VECOVeeco Instruments	$2.6B
KLICKulicke & Soffa Industries	$3.9B
ENPHEnphase Energy	$4.2B
CRUSCirrus Logic	$5.6B
Peer median	$3.4B