Constellium SECSTM +2.25%73 FCF Margin % is 0.04% as of Mar. 2026, which is 95% below its 10-year median of 0.87. GuruFocus rates CSTM with a GF Score™ of 73/100 and a GF Value™ of $20.06 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 847 Metals & Mining companies, Constellium SE ranks better than 61.28% on this metric.
The historical rank and industry rank for Constellium SE's FCF Margin % or its related term are showing as below:
CSTM'
s FCF Margin % Range Over the Past 10 Years
Min: -5.63 Med: 0.87 Max: 3.6
Current: 1.91
During the past 13 years, the highest FCF Margin % of Constellium SE was 3.60%. The lowest was -5.63%. And the median was 0.87%.
CSTM's FCF Margin % is ranked better than 61.28% of 847
companies
in the Metals & Mining industry
Industry Median: -2.17
vs CSTM: 1.91
Constellium SE FCF Margin % Related Terms
Constellium SE FCF Margin % Historical Data
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The historical data trend for Constellium SE's FCF Margin % can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Aluminum subindustry, Constellium SE's FCF Margin %, along with its competitors' market caps and FCF Margin % data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Constellium SE FCF Margin % vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Constellium SE's FCF Margin % distribution charts can be found below:
* The bar in red indicates where Constellium SE's FCF Margin % falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Constellium SE (CSTM) has a FCF Margin % of 0.04% as of Mar. 2026. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Constellium SE and its competitors. This is 95% below median its historical median of 0.87. According to the industry distribution chart, Constellium SE ranks #328 out of 847 companies in the Metals & Mining industry, placing it in the top 38.7%.
Is Constellium SE's FCF Margin % too high?
Constellium SE's current FCF Margin % of 0.04% is 95% below median its 10-year median of 0.87. Based on the distribution chart, Constellium SE ranks #328 out of 847 companies in the Metals & Mining industry, which is above the industry midpoint. Overall, Constellium SE has a GF Score™ of 73/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Constellium SE's FCF Margin % compare to KALU and CENX?
According to the Metals & Mining industry distribution chart, Constellium SE ranks #328 out of 847 companies for FCF Margin %. This puts Constellium SE in the upper half of its industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FCF Margin % for a Metals & Mining company?
A good FCF Margin % depends on the Metals & Mining industry context. However, FCF Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high FCF Margin % mean?
A high FCF Margin % can signal that a stock is expensive relative to its fundamentals. Free cash flow margin is the ratio of total free cash flow to net sales. View historical data on Constellium SE and its competitors. Constellium SE's current FCF Margin % is 0.04%, which is 95% below median its own 10-year median of 0.87. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Constellium SE stock overvalued right now?
Based on GuruFocus' analysis, Constellium SE (CSTM) is currently considered Significantly Overvalued. The stock's GF Value™ is $20.06, compared to a current price of $33.40 — trading 66.5% above its estimated fair value. The current FCF Margin % is 0.04%, which is 95% below median its 10-year median of 0.87. Constellium SE's overall GF Score™ is 73/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is FCF Margin % calculated?
FCF Margin % is calculated from a company's financial statements. For Constellium SE (CSTM), the current FCF Margin % is 0.04% as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Constellium SE (CSTM) Overvalued in 2026?
Based on GuruFocus' analysis, Constellium SE stock appears to be overvalued.
The current stock price of $33.40 is trading 66.5% above its estimated GF Value™ of $20.06.
GuruFocus considers Constellium SE to be Significantly Overvalued.
Key valuation signals for CSTM:
FCF Margin %: 0.04% (95% below median its 10-year median of 0.87)
GF Value™: $20.06 vs. price of $33.40 (66.5% above fair value)
No single metric tells the full story. See the CSTM stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
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.
73GF Score
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