CSTM (Constellium SE) 1-Year Share Buyback Ratio: 2.90% (As of Jun. 2026 )

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Director of Data and Quant Analytics at GuruFocus
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CSTM Constellium SE CSTM
74 GF Score
Price $29.60
GF Value $21.79
Valuation Significantly Overvalued
! 1 Warning Sign
View Full Analysis

What is Constellium SE 1-Year Share Buyback Ratio?

Constellium SE CSTM +1.61% 74 1-Year Share Buyback Ratio is 2.90 as of Jun. 2026. GuruFocus rates CSTM with a GF Score™ of 74/100 and a GF Value™ of $21.79 (Significantly Overvalued). The stock has 1 warning sign investors should review. Among 1,971 Metals & Mining companies, Constellium SE ranks better than 98.53% on this metric.

Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.

1-Year Share Buyback Ratio measures the proportion of a company's outstanding shares repurchased over the past year, calculated as the percentage change in shares outstanding from the previous year to the current year. A positive ratio may indicates share buybacks over the period, while a zero or negative ratio suggests no buybacks or potential share issuance. Constellium SE's current 1-Year Share Buyback Ratio was 2.90%.

CSTM's 1-Year Share Buyback Ratio is ranked better than
98.53% of 1971 companies
in the Metals & Mining industry
Industry Median: -25.3 vs CSTM: 2.90

Constellium SE  (NYSE:CSTM) 1-Year Share Buyback Ratio Explanation

A positive ratio may indicates share buybacks over the period, while a zero or negative ratio suggests no buybacks or potential share issuance.


Be Aware

Investors usually like share buybacks. But as pointed by Warren Buffett, only if a company buys back shares at the prices below the stock's intrinsic value, it rewards remaining shareholders. If a company buys its overvalued stocks back, it destroys shareholder value.


Constellium SE 1-Year Share Buyback Ratio Related Terms


CSTM vs CENX, KALU, AA: 1-Year Share Buyback Ratio Comparison

For the Aluminum subindustry, Constellium SE's 1-Year Share Buyback Ratio, along with its competitors' market caps and 1-Year Share Buyback Ratio 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 1-Year Share Buyback Ratio vs Metals & Mining Industry

For the Metals & Mining industry and Basic Materials sector, Constellium SE's 1-Year Share Buyback Ratio distribution charts can be found below:

* The bar in red indicates where Constellium SE's 1-Year Share Buyback Ratio falls into.


CSTM
74GF Score
Constellium SE CSTM
1-Year Share Buyback Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Constellium SE 1-Year Share Buyback Ratio Calculation

Constellium SE's 1-Year Share Buyback Ratio for the quarter that ended in Jun. 2026 is calculated as

1-Year Share Buyback Ratio=(Shares Outstanding (EOP) (Jun. 2025 ) - Shares Outstanding (EOP) (Jun. 2026 )) / Shares Outstanding (EOP) (Jun. 2025 )
=(139.539 - 135.528) / 139.539
=2.9%

* 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.

What does a 1-Year Share Buyback Ratio of 2.90 mean?
Constellium SE (CSTM) has a 1-Year Share Buyback Ratio of 2.90 as of Jun. 2026. The 1-Year Share Buyback Ratio measures the proportion of a company's outstanding shares repurchased over the past year, calculated as the percentage change in shares outstanding from the previous year to the current year. View historical data for Constellium SE and its competitors. According to the industry distribution chart, Constellium SE ranks #29 out of 1971 companies in the Metals & Mining industry, placing it in the top 1.5%.
Is Constellium SE's 1-Year Share Buyback Ratio too high?
Constellium SE's current 1-Year Share Buyback Ratio is 2.90. Based on the distribution chart, Constellium SE ranks #29 out of 1971 companies in the Metals & Mining industry, which is in the top quartile — a strong position relative to peers. Overall, Constellium SE has a GF Score™ of 74/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Constellium SE's 1-Year Share Buyback Ratio compare to CENX and KALU?
According to the Metals & Mining industry distribution chart, Constellium SE ranks #29 out of 1971 companies for 1-Year Share Buyback Ratio. This places Constellium SE in the top 2% of its industry — outperforming the majority of peers. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 1-Year Share Buyback Ratio for a Metals & Mining company?
A good 1-Year Share Buyback Ratio depends on the Metals & Mining industry context. However, 1-Year Share Buyback Ratio 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 1-Year Share Buyback Ratio mean?
A high 1-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 1-Year Share Buyback Ratio measures the proportion of a company's outstanding shares repurchased over the past year, calculated as the percentage change in shares outstanding from the previous year to the current year. View historical data for Constellium SE and its competitors. Constellium SE's current 1-Year Share Buyback Ratio is 2.90. 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 $21.79, compared to a current price of $29.60 — trading 35.8% above its estimated fair value. The current 1-Year Share Buyback Ratio is 2.90. Constellium SE's overall GF Score™ is 74/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 1-Year Share Buyback Ratio calculated?
1-Year Share Buyback Ratio is calculated from a company's financial statements. For Constellium SE (CSTM), the current 1-Year Share Buyback Ratio is 2.90 as of Jun. 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 $29.60 is trading 35.8% above its estimated GF Value™ of $21.79. GuruFocus considers Constellium SE to be Significantly Overvalued.

Key valuation signals for CSTM:

  • 1-Year Share Buyback Ratio: 2.90
  • GF Value™: $21.79 vs. price of $29.60 (35.8% above fair value)
  • GF Score™: 74/100 with 1 warning sign

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 Business Description

Other Exchanges 3OK:Germany
Address 300 East Lombard Street, Suite 1710, Baltimore, MD, USA, 21202
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.
74GF Score

Get the complete analysis for CSTM

1-Year Share Buyback Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$29.60
Price
$21.79
GF Value