Constellium SE Class A (CSTM)

Constellium SE's stock price has seen significant positive movement in the past six months, trending up by 105.69%. On February 18, 2026, strong fourth-quarter and full-year 2025 results led to a +9.53% increase in its stock price. On March 3, 2026, the release of its 2025 Sustainability Report saw a slight decrease of -0.88% in stock price. On April 10, 2026, the company's board authorized a new $300 million share repurchase program, expiring in December 2028. In February 2026, several analysts boosted their price targets and ratings for Constellium. Constellium's shares surged 101.5% in the year leading up to March 13, 2026, outperforming the industry and the S&P 500.

Demand for Constellium's products and services is influenced by the cyclical and seasonal nature of the metals industry and its end-use markets. Aerospace demand is primarily driven by commercial aircraft build rates. Packaging demand has remained healthy and is considered recession-resilient. Automotive demand was weak in Europe and relatively stable in North America in 2025. Industrial market conditions in North America and Europe became more stable in 2025. Customer demand can also be affected by holiday seasons, seasonal slowdowns, and weather conditions.

Constellium SE is a global manufacturing company specializing in high-value-added rolled and extruded aluminum products within the Basic Materials sector. The company transforms alumina and primary aluminum into specialized products for various markets. It operates through Packaging & Automotive Rolled Products (P&ARP), Aerospace & Transportation (A&T), and Automotive Structures & Industry (AS&I) segments. Constellium also emphasizes recycling operations, with a capacity of over 750,000 metric tons a year.

Constellium SE has a significant international presence, operating production facilities and innovation centers across Europe and North America. The company maintains over 30 production and innovation facilities globally. Key European sites are located in France, Germany, the Netherlands, and Italy, while its North American footprint includes manufacturing plants in the United States. The company is headquartered in Paris, France, with corporate offices in Amsterdam and Baltimore. It also sells products through distributors in South Korea, Japan, and China.

Constellium has built a reputation for innovation in lightweighting and sustainability within the aluminum industry. The company develops proprietary alloys and processes to improve strength-to-weight ratios, enhance corrosion resistance, and reduce environmental impact. Constellium actively participates in associations and initiatives aimed at improving sustainability in the aluminum industry, including being a founding member of the Aluminium Stewardship Initiative (ASI). The company's strong financial performance in 2025 and positive outlook for 2026, coupled with its focus on innovation and sustainability, generally contribute positively to its brand perception.

Constellium SE's ownership is predominantly held by institutional investors, approximately 54.37% to 92.09%. Major institutional owners include BlackRock, Inc., Bpifrance SA, and Fidelity Management & Research Co. LLC (Fmr LLC). Individual investors, including insiders and retail investors, hold a smaller percentage of the company's stock, with insiders holding around 1.18% to 1.51% and retail investors holding approximately 6.40% to 35.99%. Nicolas Dufourcq is noted as owning the most shares among individual investors.