Lumida
/CSTM
⌘K
Constellium SE

Constellium SE

CSTM
$28.12USD↓-1.44%-0.41 today

MARKET CAP

3.8B

P/E (TTM)

10.0x

FWD P/E

11.5x

DAY RANGE

$28 – $29

52W RANGE

$13
$37

AI Summary

Stalk
TrimMedium

CSTM remains in a Stage 4 decline with medium-term bearish asymmetry confirmed by active Support Failure and sequential lower highs & lower lows beneath declining EMAs. RSI is in Extreme Oversold territory, indicating high relief-bounce risk, which makes immediate selling unfavorable. We will defer execution and trim into rallies toward the declining 9, 20, and 50 EMA zone and prior support-turned-resistance around those levels.

  • ↑24% YoY revenue growth to $2.5B in Q1 2026; adjusted EBITDA +93% to $359M
  • ↑Issued full-year EBITDA forecast of $900–940M and free cash flow >$275M
  • ↓European luxury and premium auto weakness risks automotive segment sales
Full analysis →

The case for & against

Bull & Bear analysis

Bullish

Constellium SE (NYSE: CSTM) is a prominent player in aluminum production, catering primarily to the aerospace, automotive, and packaging industries. The company's focus on sustainability and innovative solutions positions it well within the aluminum sector, especially as the market shifts toward lightweight, recyclable materials. The company is particularly benefitting from increased demand in high-value markets, leveraging its expertise to navigate the evolving landscape amidst ongoing geopolitical and economic challenges.

Bull says

  • ↑24% YoY revenue growth to $2.5B in Q1 2026; adjusted EBITDA +93% to $359M
  • ↑Issued full-year EBITDA forecast of $900–940M and free cash flow >$275M
  • ↑$28M of Q1 buybacks and $300M repurchase plan underscore cash-flow strength
  • ↑Robust aerospace and packaging demand drives long-term volume growth
  • ↑Strong analyst revisions, high earnings yield and momentum support valuation
  • ↑Stable 2.2× leverage enables disciplined growth with manageable debt

Bear says

  • ↓European luxury and premium auto weakness risks automotive segment sales
  • ↓Ongoing freight and aluminum inflation could erode profit margins
  • ↓Negative profitability outlook and raw-material volatility heighten margin uncertainty
  • ↓High short interest reflects market skepticism and potential downward pressure
  • ↓Elevated stock volatility and smaller size profile may deter risk-averse investors
  • ↓Geopolitical tensions and tariff ambiguity could disrupt supply chain costs

Investment themes with CSTM

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Earnings Call · Q1 2026 · Mgmt. Guidance

Updated 04-30-2026neutral

Transcript signals

Bull points

  • Adjusted EBITDA of $102 million increased 24% compared to the first quarter last year and represents a new first quarter record for A&T.
  • Aerospace shipments started the year strong and were up 13% in the quarter versus last year.
  • TID shipments were up 18% versus last year as we continue to see increased demand from onshoring in the U.S.

Bear points

  • Costs were a headwind of $16 million, primarily as a result of higher operating costs given higher activity levels.
  • Automotive shipments were down 3% in the quarter, mainly due to weakness in Europe.
  • Even though the automotive markets in North America are relatively stable, our automotive structures business was negatively affected by the current supply shortages of aluminum automotive body sheet and its impact on production of certain platforms in the region.
Read full transcript analysis ›