Century Aluminum market cap CENX

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

Century Aluminum is worth $3.1B at the close on Oct 23, 2026, at $31.42 a share.

That is up 8% over the last year and up 161% over five years.

Its highest close in our data was $6.6B in Apr 2026.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$3.1B	$3.1B	$6.6B	−17%
2025	$3.8B	$1.4B	$3.8B	+120%
2024	$1.7B	$925.9M	$2.1B	+52%
2023	$1.1B	$560.8M	$1.2B	+50%
2022	$747.2M	$482.4M	$2.7B	−50%
2021	$1.5B	$872.5M	$1.7B	+51%
2020	$987M	$271.1M	$1.1B	+50%
2019	$657.8M	$487.1M	$825.5M	+1%
2018	$648.5M	$605.5M	$2.1B	−62%
2017	$1.7B	$781.9M	$1.8B	+130%
2016	$745.4M	$265.1M	$909.9M	+94%
2015	$384.2M	$299M	$2.2B	−83%
2014	$2.2B	$883.3M	$2.6B	+142%
2013	$921.4M	$581.8M	$921.4M	+27%
2012	$724.7M	$539.5M	$983.8M	−5%
2011	$762.5M	$707M	$1.5B	n/a

Companies in Basic Materials nearest Century Aluminum's size, closest first, today.

Company	Market cap
CENXCentury Aluminum	$3.1B
WORWorthington Enterprises	$3.1B
CSTMConstellium	$3.1B
USLMUnited States Lime & Minerals	$3.2B
KNFKnife River	$3B
CALMCal-Maine Foods	$2.9B
WDFCWD 40	$2.9B
SMGScotts Miracle-Gro	$3.5B
FULFuller H B	$2.7B
AVNTAvient	$3.8B
CBTCabot	$3.8B
Peer median	$3.1B