Constellium combines aerospace-led margin expansion, recycling advantages, and a 5.2x–5.5x EV/EBITDA valuation with an asymmetric five-year upside case.
Overview
Constellium SE is a global downstream aluminum fabricator serving aerospace, automotive, beverage packaging, defense, and industrial customers. Its conversion-margin model passes LME aluminum and regional premiums through to customers, so economic performance is driven by fabrication premiums, shipment volume, utilization, product mix, and recycling spreads rather than reported revenue alone. The company’s specialized alloys, certified aerospace products, multi-year qualification processes, scale assets, and closed-loop recycling create meaningful switching costs and entry barriers. Q2 2026 showed strong operating momentum: revenue rose 30.7% year over year to $2.748 billion, diluted GAAP EPS increased to $1.04 from $0.25, and Segment Adjusted EBITDA rose 88% to $310 million. Management raised 2026 Adjusted EBITDA guidance to $980 million–$1.020 billion and FCF guidance to above $300 million. **Valuation remains unusually low at approximately 6.8x forward P/E and 5.2x–5.5x EV/EBITDA**, despite 43.5% ROE and improving leverage. Near-term catalysts are aerospace growth, recycling margin expansion, FCF-funded deleveraging, and a potential re-rating toward 7.0x–8.5x EV/EBITDA; key offsets are working-capital needs, taxes, seasonality, and cyclical demand.