CSTM
Constellium SE
NYSE · Basic Materials · Aluminum · FR
$25.55
−2.44%Price chart
Aug 19Aug 24Aug 27Sep 1Sep 4Sep 10Sep 15Sep 18
Key dataSep 18, 2026
Open$26.11
From 52W high−29.32%
Volume2.53M
Market cap$3.46B
P/E (TTM)6.4x
P/S (TTM)0.4x
Div yield—
Key dataSep 18, 2026
Open
$26.11
From 52W high
−29.32%
Volume
2.53M
Market cap
$3.46B
ValuationView details →
P/E (Fwd)
9.7x
EV/EBITDA
4.9x
P/E (TTM)
6.4x
RSI (14)
38.6
MomentumView details →
1D Return
−2.44%
YTD Return
+35.01%
SummaryUpdated Jun 1, 2026
Constellium SE (NYSE:CSTM) is a French specialty aluminum manufacturer founded in 2010 and publicly traded since 2013. The company emerged from the aluminum division of Rio Tinto and has grown to become a leading global supplier of rolled and extruded aluminum products serving critical industries including aerospace, automotive, and packaging. Headquartered in Paris, Constellium operates manufacturing facilities across Europe and North America, with a particular focus on high-value specialty aluminum applications that require advanced metallurgical expertise and precision manufacturing capabilities.
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Latest newsMore news →
Constellium SE reported earnings that beat expectations and raised its FY2026 guidance twice, now targeting $980M–$1.02B Adjusted EBITDA and $300M+ free cash flow.38d agoConstellium SE reported its financial results for the second quarter of 2026, with revenue of $2.748 billion, net income of $148 million, and diluted EPS of $1.04.54d agoEOS announced a strategic partnership with Constellium to add Constellium's Aheadd CP1 aluminum alloy to its materials portfolio and rename EOS Aluminium Al5X1 as EOS Aluminium Constellium Al5X1.74d ago