James Hardie Industries market cap JHX

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

James Hardie Industries is worth $15.2B at the close on Oct 23, 2026, at $26.15 a share.

That is up 58% over the last year and down 13% over five years.

Its highest close in our data was $32.4B in Apr 2016.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$15.2B	$7.7B	$18B	+68%
2025	$9B	$7.2B	$14.8B	−34%
2024	$13.6B	$13.2B	$18.3B	−20%
2023	$17.1B	$8.5B	$17.1B	+114%
2022	$8B	$8B	$16.5B	−56%
2021	$18.1B	$12.4B	$18.5B	+38%
2020	$13.1B	$4.6B	$13.1B	+49%
2019	$8.8B	$4.8B	$8.8B	+85%
2018	$4.8B	$4.5B	$8.2B	−38%
2017	$7.8B	$6B	$7.8B	+10%
2016	$7.1B	$6.4B	$32.4B	−75%
2015	$28.2B	$22B	$31.1B	+18%
2014	$23.9B	$21.9B	$30.4B	−5%
2013	$25B	$18.3B	$25.4B	+21%
2012	$20.7B	$15B	$21.8B	+35%
2011	$15.3B	$11.7B	$15.6B	n/a

Companies in Construction Materials nearest James Hardie Industries' size, closest first, today.

Company	Market cap
JHXJames Hardie Industries	$15.2B
AMRZAmrize	$21.6B
HLHecla Mining	$9.3B
MLMMartin Marietta Materials	$30.5B
VMCVulcan Materials	$33.9B
EXPEagle Materials	$5.4B
CRHCRH	$56.5B
USLMUnited States Lime & Minerals	$3.2B
KNFKnife River	$3B
JCIJohnson Controls International	$87.2B
LEUCentrus Energy	$2B
Peer median	$15.4B