Constellium SE (CSTM)

Materials ยท Secondary Smelting & Refining of Nonferrous Metals

Constellium SE (CSTM) is listed on the New York Stock Exchange, where its shares have traded since May 23, 2013. SentiSense covers Constellium SE in the Materials sector, and its Standard Industrial Classification is Secondary Smelting & Refining of Nonferrous Metals. Ingrid Joerg is its chief executive officer. The company reports 11,500 employees, and its corporate website is www.constellium.com.

About Constellium SE

Constellium SE is engaged in the development, manufacture and sale of a broad range of high value-added specialty rolled and extruded aluminum products to the aerospace, space, defense, packaging, automotive, commercial transportation and general industrial end-markets. Its business model is to add value by converting aluminum into semi-fabricated and, in some instances, fully-fabricated alloyed aluminum products that meet stringent and performance-critical requirements from customers. It operates through three segments: Aerospace & Transportation Operating Segment, Packaging & Automotive Rolled Products Operating Segment, and Automotive Structures & Industry Operating Segment. It serves Aerospace, Packaging and Automotive and operates in the United States, France, Germany and others.

Latest reported results

Constellium SE reported revenue of $2.64 billion for Q3 FY2026, up 21.8% from the same period a year earlier.

Institutional ownership

In 13F filings for the quarter ended June 30, 2026, 374 institutions reported holding CSTM, with 119.3 million shares worth $3.8 billion in aggregate. The largest reported holders were BlackRock, Bpifrance and Morgan Stanley.

More on CSTM

  • CSTM sentiment: whether news and social coverage of Constellium SE leans bullish or bearish, and the stories driving it.
  • CSTM ownership: all 374 reporting institutions, plus insider and congressional trades.
  • CSTM financials: revenue, net income, operating margin and free cash flow through Q3 FY2026.

Frequently asked questions

What does Constellium SE do?

Constellium SE is engaged in the development, manufacture and sale of a broad range of high value-added specialty rolled and extruded aluminum products to the aerospace, space, defense, packaging, automotive, commercial transportation and general industrial end-markets.

What sector is CSTM in?

SentiSense classifies Constellium SE in the Materials sector, and its Standard Industrial Classification is Secondary Smelting & Refining of Nonferrous Metals.

Where does CSTM stock trade?

Constellium SE (CSTM) is listed on the New York Stock Exchange, where its shares have traded since May 23, 2013.

Who is the CEO of Constellium SE?

Ingrid Joerg is the chief executive officer of Constellium SE.