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NYSE · CSTMMaterialsMaterials Manufacturing

Constellium SE Class A Ordinary shares (CSTM)

$22.71−1.39%
Close Nov 4, 2026 · split-adjusted
Nov 3, 2026$23.03▲ 41.99% in range
Nov 3, 2025Low $14.75 · High $36.15Nov 3, 2026
What changed · written from our data
As of Nov 4, 2026

Constellium SE closed at $22.71 on Nov 4, down 1.39%, 37.2% below its 52-week closing high. Volume of 1.9M shares was 1.19× its 20-day average (close to normal).

Split-adjusted performance: -10.9% over one month, -31.9% over six months, +40.0% over one year.

In the quarter ended Sep 30, 2026, revenue was $2.64B, up 21.8% from a year earlier, with a net margin of 4.4%.

Short interest was 5.9M shares at the Oct 15 settlement, down 6.2% from the prior report (4.7% of float, 4.2 days to cover).

Market cap$3.06B134.5M shares
Revenue · quarter$2.64B+21.8% YoY
Diluted EPS$0.84+35.5% YoY
P/E · TTM5.3×P/S 0.3×
Net margin4.4%Gross 13.9%
Dividend yieldNone
52-week range14.75 – 36.15−37.2% from high
Volume1.9M1.19× 20-day avg
Volatility · 60d33.8%Annualised
Short % of float4.7%4.2 days to cover
Net cash-$1.66BCash $158.0M
Next earnings—Not scheduled
Split-adjusted performance
1W −7.0%1M −10.9%3M −20.6%6M −31.9%YTD +20.5%1Y +40.0%3Y +42.6%5Y +20.1%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Materials Manufacturing

Percentile among 116 companies (100 = best)

6-month momentum15
Revenue growth72
Net margin38
Value (low P/E)100
Size58

Industry medians: 6-month return −0.7%, revenue growth +10.1%, net margin 6.5%, P/E 21.5×.

Short interest

Details →
Shares short5.9M−6.2% vs prior
Days to cover4.2Settled Oct 15
% of float4.7%
Short vol. 10d35.6%of daily volume

Closest peers by size in Materials Manufacturing

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
CSTMConstellium SE$22.71−1.39%−31.9%+21.8%4.4%5.3$3.06B
WORWorthington Enterprises$64.90+1.53%+16.1%+13.2%12.4%19.6$3.20BCompare
XEX-Energy$10.05−8.47%——−108.2%—$2.89BCompare
CENXCentury Aluminum Co$32.80−1.59%−47.6%+19.7%33.1%5.4$3.25BCompare
SHOOSteven Madden$46.98+6.70%+17.4%+19.1%4.2%24.0$3.44BCompare
CXTCrane NXT$61.62+2.63%+35.0%+22.0%7.2%25.3$3.55BCompare
NWLNewell Brands$5.86+4.09%+26.8%+3.7%−4.3%—$2.50BCompare
MWAMueller Water Products$24.04+1.99%−11.4%+4.1%17.0%16.9$3.75BCompare
MTRNMaterion$187.26−17.66%−4.9%+42.2%6.3%43.3$3.90BCompare

News about Constellium SE

All news →
Why Constellium (CSTM) is a Top Growth Stock for the Long-TermZacks Investment Research · 1d ago▲ PositiveConstellium (CSTM) Beats Q3 Earnings and Revenue EstimatesZacks Investment Research · Oct 28, 2026▲ PositiveConstellium (CSTM) Reports Next Week: Wall Street Expects Earnings GrowthZacks Investment Research · Oct 21, 2026▲ PositiveWhy Constellium (CSTM) is Poised to Beat Earnings Estimates AgainZacks Investment Research · Oct 14, 2026▲ PositiveWall Street Analysts Believe Constellium (CSTM) Could Rally 35.29%: Here's is How to TradeZacks Investment Research · Oct 13, 2026▲ Positive

Quick answers

What does Constellium SE do?
Constellium SE is engaged in the development, manufacture and sale of a broad range of high value-added specialty rolled and extruded aluminum products to the aerospace, space, defense, packaging, automotive, commercial transportation and general industrial end-markets. Its business model is to add value by converting aluminum into semi-fabricated and, in some instances, fully-fabricated alloyed aluminum products that meet stringent and performance-critical requirements from customers.
What is CSTM's market cap?
$3.06B, based on the Nov 4 close of $22.71.
What is CSTM's P/E ratio?
5.3× trailing-twelve-month earnings of $574M.
Does Constellium SE pay a dividend?
No regular cash dividend has been paid in the last year.
How much of CSTM is sold short?
5.9M shares, 4.7% of float, as of Oct 15, 2026.
What sector is CSTM in?
Materials, in the Materials Manufacturing industry.

About Constellium SE

Constellium SE is engaged in the development, manufacture and sale of a broad range of high value-added specialty rolled and extruded aluminum products to the aerospace, space, defense, packaging, automotive, commercial transportation and general industrial end-markets. Its business model is to add value by converting aluminum into semi-fabricated and, in some instances, fully-fabricated alloyed aluminum products that meet stringent and performance-critical requirements from customers. It operates through three segments: Aerospace & Transportation Operating Segment, Packaging & Automotive Rolled Products Operating Segment, and Automotive Structures & Industry Operating Segment. It serves Aerospace, Packaging and Automotive and operates in the United States, France, Germany and others.

HQ: Paris, I011,500 employeesListed May 23, 2013constellium.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology