Illumina market cap ILMN

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

Illumina is worth $40.7B at the close on Oct 23, 2026, at $269.42 a share.

That is up 164% over the last year and down 31% over five years.

Its highest close in our data was $73.8B in Aug 2021.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$40.7B	$17.9B	$42B	+97%
2025	$20.6B	$11.3B	$21.7B	−4%
2024	$21.5B	$16.1B	$24B	−0%
2023	$21.5B	$14.6B	$35.7B	−30%
2022	$30.9B	$28.6B	$61.5B	−47%
2021	$57.8B	$52.8B	$73.8B	+10%
2020	$52.5B	$33.3B	$54.8B	+11%
2019	$47.5B	$38.6B	$54B	+11%
2018	$42.6B	$30.8B	$52.4B	+37%
2017	$31B	$20.2B	$32B	+70%
2016	$18.3B	$17.6B	$26.3B	−33%
2015	$27.3B	$20.1B	$33.6B	+5%
2014	$26B	$13.3B	$26.6B	+92%
2013	$13.6B	$5.8B	$13.6B	+107%
2012	$6.6B	$3.8B	$6.8B	+83%
2011	$3.6B	$3.2B	$9.1B	−53%
2010	$7.7B	$5.3B	$7.7B	n/a

Companies in Medical - Diagnostics & Research nearest Illumina's size, closest first, today.

Company	Market cap
ILMNIllumina	$40.7B
IDXXIDEXX Laboratories	$44.1B
WATWaters	$44.6B
IQVIQVIA	$46B
AAgilent Technologies	$48.8B
MTDMettler-Toledo International	$33.5B
DGXQuest Diagnostics	$26.7B
LHLabcorp	$26.7B
MEDPMedpace	$18.7B
RVTYRevvity	$17.7B
DHRDanaher	$162B
Peer median	$38.8B