Constellium SE (CSTM) Stock Analysis
Basic Materials · Aluminum
Sell if holding. At $31.24, A.R:R 0.4:1 is below the 1.5:1 minimum. Reward from here is too thin for a buy — the engine flags exit. Additional concerns: Thin upside margin: 4.0%; Concentration risk — Customer: top 10 customers (56.0%).
Constellium SE is a global manufacturer of high value-added specialty rolled and extruded aluminum products serving aerospace, packaging, automotive, and industrial markets, operating 24 facilities across North America and Europe. Revenue derives from converting aluminum into... Read more
Sell if holding. At $31.24, A.R:R 0.4:1 is below the 1.5:1 minimum. Reward from here is too thin for a buy — the engine flags exit. Additional concerns: Thin upside margin: 4.0%; Concentration risk — Customer: top 10 customers (56.0%). Chart setup: No recognized chart pattern (not a breakout, bounce, continuation, recovery, falling knife, or range) — technicals mixed. Score 6.0/10, moderate confidence.
Passes 6/8 gates (clean insider activity, no SEC red flags, news events none recent, earnings proximity 69d clear, semi cycle peak clear, materials cycle peak clear). Fails on weak momentum and favorable risk/reward ratio. Suitability: aggressive.
Recent Developments — Constellium SE
Latest news
- Constellium (NYSE:CSTM) Lowered to "Hold" Rating by Zacks Research - MarketBeat — MarketBeat negative
- Constellium SE to Announce First Quarter 2026 Results During Conference Call on April 29 - Quiver Quantitative — Quiver Quantitative neutral
- Constellium (NYSE:CSTM) Hits New 52-Week High - What's Next? - MarketBeat — MarketBeat positive
- Is Constellium (CSTM) Outperforming Other Industrial Products Stocks This Year? - qz.com — qz.com positive
- CSTM Maintained by Wells Fargo -- Price Target Raised to $35.00 - GuruFocus — GuruFocus positive
Generated 2026-05-20T21:06:21Z.
Thesis
Key Metrics
Quality Signals
Options Flow
Concentration Risks(10-K Item 1A)
- HIGHCustomertop 10 customers56%10-K Item 1: 'our 10 largest customers representing approximately 56% of our revenue for the year ended December 31, 2025'
- MEDIUMSuppliertop 10 metal suppliers49%10-K Item 1: 'the top 10 suppliers accounted for approximately 49% of our total metal purchases (in terms of volumes) for the year ended December 31, 2025'
Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results. Full disclaimer
Rating Breakdown
1 floor-breaker·1 ceiling hit
Momentum below the gate floor. Component breakdown shows what dragged the score down.static
Price Targets
Position Sizing
Risk Alerts
Earnings
Verdict History
Frequently Asked Questions
Sell if holding. At $31.24, A.R:R 0.4:1 is below the 1.5:1 minimum. Reward from here is too thin for a buy — the engine flags exit. Additional concerns: Thin upside margin: 4.0%; Concentration risk — Customer: top 10 customers (56.0%). Chart setup: No recognized chart pattern (not a breakout, bounce, continuation, recovery, falling knife, or range) — technicals mixed. Prior stop was $29.05. Score 6.0/10, moderate confidence.
Take-profit target: $32.48 (+4.0% upside). Prior stop was $29.05. Stop-loss: $29.05.
Concentration risk — Customer: top 10 customers (56.0%); Thin upside margin: 4.0%; V7 low-quality RISK_OFF penalty: -0.5 (Q=4.3).
Constellium SE trades at a P/E of 10.3 (forward 11.0). TrendMatrix value score: 8.4/10. Verdict: Sell.
10 analysts cover CSTM with a consensus score of 4.0/5. Average price target: $37.
What does Constellium SE do?Constellium SE is a global manufacturer of high value-added specialty rolled and extruded aluminum products serving...
Constellium SE is a global manufacturer of high value-added specialty rolled and extruded aluminum products serving aerospace, packaging, automotive, and industrial markets, operating 24 facilities across North America and Europe. Revenue derives from converting aluminum into semi-fabricated products with a pass-through metal pricing model, with top-10 customers representing approximately 56% of 2025 revenue. Long qualification cycles and joint product development create high switching costs with key customers.