Kaiser Aluminum market cap KALU

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

Kaiser Aluminum is worth $1.8B at the close on Oct 23, 2026, at $107.28 a share.

That is up 13% over the last year and up 14% over five years.

Its highest close in our data was $3.1B in Jun 2026.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$1.8B	$1.7B	$3.1B	−8%
2025	$1.9B	$817.1M	$1.9B	+71%
2024	$1.1B	$1B	$1.6B	−2%
2023	$1.1B	$869.3M	$1.5B	−6%
2022	$1.2B	$978M	$1.7B	−19%
2021	$1.5B	$1.4B	$2.2B	−5%
2020	$1.6B	$798.5M	$1.8B	−12%
2019	$1.8B	$1.4B	$1.8B	+20%
2018	$1.5B	$1.4B	$1.9B	−18%
2017	$1.8B	$1.3B	$1.8B	+30%
2016	$1.4B	$1.3B	$1.7B	−6%
2015	$1.5B	$1.2B	$1.6B	+16%
2014	$1.3B	$1.2B	$1.4B	−3%
2013	$1.3B	$1.1B	$1.4B	+13%
2012	$1.2B	$909.9M	$1.2B	+31%
2011	$885.2M	$776.8M	$1.1B	−8%
2010	$962.5M	$701M	$993.5M	n/a

Companies in Manufacturing - Metal Fabrication nearest Kaiser Aluminum's size, closest first, today.

Company	Market cap
KALUKaiser Aluminum	$1.8B
PRLBProto Labs	$2B
HLMNHillman Solutions	$1.4B
XPELXPEL	$1.2B
NWPXNWPX Infrastructure	$937.9M
NXQuanex Building Products CORP	$916.5M
GEFGreif	$3.8B
AZZAZZ	$4B
SLGNSilgan	$4.2B
GFFGriffon	$4.4B
MTRNMATERION	$4.6B
Peer median	$2.9B