Constellium: A Strong Quarter Improves The Setup, But Sustainability Still Needs Proof

Constellium SE offers a compelling specialty materials investment, trading below fair value despite record Q1 earnings and raised full-year guidance. CSTM benefits from secular demand in aerospace and automotive lightweighting, a robust capital allocation plan, and a new €300M buyback, yet faces cyclical and European cost headwinds. Q1 2024 saw significant margin expansion across all segments, with adjusted EBITDA up 78% year-over-year, though headline results were boosted by a favorable metal price lag.