Massivemarkets

CSTM

Constellium SE Class A Ordinary shares

NYSE · usd

$23.22+0.00 (+0.00%)
At close · 15-minute delayed
$23.50+0.28 (+1.21%)
As of 7:06:56 PM EDT on Oct 23, 2026 · After hours

Constellium SE Class A Ordinary shares (CSTM) trades at $23.22 (+0.00%) as of 7:06:56 PM EDT on Oct 23, 2026, -5.72% over the past month. Market cap is $3.15B, with 3.5 days to cover in short interest.

Stock performance

How Constellium SE Class A Ordinary shares (CSTM) stock has performed from one day to one year, with its 52-week range.

-1.98%
-$0.47 over 1D
$23.23$23.37$23.52$23.679:30 AM11:10 AM12:50 PM2:30 PM8:00 PM$23.23
1D
-3.21%
1W
-8.83%
1M
-5.72%
YTD
+23.18%
1Y
+37.80%
52-wk range
$14.62 – $36.99

Key statistics

Today's trading snapshot for CSTM: day range, open, previous close, volume and market cap.

Day range
$23.12 – $23.86
Open
$23.86
Prev close
$23.22
Volume
1.5M
Market cap
$3.15B
Shares out
135.53M

Valuation and profitability ratios: P/E, P/S, ROE

Valuation and profitability ratios for Constellium SE Class A Ordinary shares: P/E, P/S, P/B, ROE and more.

P/E
5.77
P/S
0.33
P/B
2.53
P/FCF
14.44
ROE
43.7%
ROA
9.0%
Debt/Equity
1.54
Div yield
0.00%

As of Oct 23, 2026

8-K filings

Material corporate events Constellium SE Class A Ordinary shares has disclosed to the SEC on Form 8-K.

  • Investor communicationsJul 29, 2026

    The Company is also furnishing an investor presentation relating to its second quarter of 2026 (the "Presentation"), which will be used by the management team for presentations to investors and others.

  • Shareholder returnsMay 21, 2026

    Authorization to be given to the Board of Directors for the repurchase by the Company of its own shares in accordance with article L. 225-209-2 of the French Commercial Code... Voted For: 108,617,538

  • Investor communicationsApr 29, 2026

    The Company is also furnishing an investor presentation relating to its first quarter of 2026 (the "Presentation"), which will be used by the management team for presentations to investors and others.

  • Shareholder returnsMar 12, 2026

    the Company's Board of Directors (the "Board") authorized a new share repurchase program of up to $300 million of the Company's outstanding ordinary shares, which will be effective following the Company's 2026 Annual General Meeting of Shareholders on May 21, 2026, and expire on December 31, 2028. The new share repurchase program will replace the current share repurchase program authorized by the Board of Directors in February 2024.

  • Investor communicationsFeb 18, 2026

    The Company is also furnishing an investor presentation relating to its fourth quarter of 2025 (the "Presentation"), which will be used by the management team for presentations to investors and others.

CSTM short interest

How heavily CSTM is shorted: shares short, days to cover and average daily volume.

Days to cover
3.5
Short interest
6.25M
Avg volume
1.8M

As of · reported to FINRA twice monthly.

CSTM news

The latest news and headlines about Constellium SE Class A Ordinary shares (CSTM).

Frequently asked questions

What is the Constellium SE Class A Ordinary shares (CSTM) stock price today?

Constellium SE Class A Ordinary shares (CSTM) is trading at $23.22 (+0.00% on the day) as of 7:06:56 PM EDT on Oct 23, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.

What is Constellium SE Class A Ordinary shares?

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.

What is the short interest in CSTM?

As of Sep 30, 2026, CSTM has 6.25M shares short and 3.5 days to cover.

What exchange is CSTM listed on?

Constellium SE Class A Ordinary shares (CSTM) trades on NYSE in USD, in the SECONDARY SMELTING & REFINING OF NONFERROUS METALS industry.

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