Constellium SESTU:3OK -1.54%73 PB Ratio is 3.60 as of Jul. 09, 2026, which is 22% above its 10-year median of 2.96. GuruFocus rates STU:3OK with a GF Score™ of 73/100 and a GF Value™ of €17.53 (Significantly Overvalued). The stock has 1 warning sign investors should review. Among 2,353 Metals & Mining companies, Constellium SE ranks worse than 67.53% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-07-09), Constellium SE's share price is €25.60. Constellium SE's Book Value per Share for the quarter that ended in Mar. 2026 was €7.11. Hence, Constellium SE's PB Ratio of today is 3.60.
The historical rank and industry rank for Constellium SE's PB Ratio or its related term are showing as below:
STU:3OK'
s PB Ratio Range Over the Past 10 Years
Min: 1.45 Med: 2.96 Max: 19.57
Current: 3.6
During the past 13 years, Constellium SE's highest PB Ratio was 19.57. The lowest was 1.45. And the median was 2.96.
STU:3OK's PB Ratio is ranked worse than 67.53% of 2353
companies
in the Metals & Mining industry
Industry Median: 2.21
vs STU:3OK: 3.60
During the past 12 months, Constellium SE's average Book Value Per Share Growth Rate was 57.70% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 9.00% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Constellium SE was 48.70% per year. The lowest was -120.50% per year. And the median was 30.00% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Constellium SE PB Ratio Related Terms
Constellium SE PB Ratio Historical Data
* Premium members only.
The historical data trend for Constellium SE's PB Ratio 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 PB Ratio, along with its competitors' market caps and PB 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 PB Ratio vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Constellium SE's PB Ratio distribution charts can be found below:
* The bar in red indicates where Constellium SE's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
Constellium SE's PB Ratio for today is calculated as follows:
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Constellium SE (STU:3OK) has a PB Ratio of 3.60 as of Jul. 09, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Constellium SE and its competitors. This is 22% above median its historical median of 2.96. Over the past decade, Constellium SE's PB Ratio has ranged from 1.45 to 19.57. According to the industry distribution chart, Constellium SE ranks #1589 out of 2353 companies in the Metals & Mining industry, placing it in the top 67.5%.
Is Constellium SE's PB Ratio too high?
Constellium SE's current PB Ratio of 3.60 is 22% above median its 10-year median of 2.96. Over the past 10 years, this metric has ranged from a low of 1.45 to a high of 19.57. The Metals & Mining industry median PB Ratio is 2.21. Constellium SE's value of 3.60 is 62.9% above this industry median. Based on the distribution chart, Constellium SE ranks #1589 out of 2353 companies in the Metals & Mining industry, which is below 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 PB Ratio compare to CENX and KALU?
According to the Metals & Mining industry distribution chart, Constellium SE ranks #1589 out of 2353 companies for PB Ratio. This places Constellium SE in the lower half of its industry. The industry median PB Ratio is 2.21. Constellium SE's value of 3.60 is 62.9% above this benchmark. Historically, Constellium SE's own PB Ratio has ranged from 1.45 to 19.57 over the past decade. While the company's 10-year median is 2.96 vs. the industry median of 2.21, Constellium SE has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for a Metals & Mining company?
The median PB Ratio among Metals & Mining companies is 2.21, based on 2,353 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Constellium SE's current PB Ratio of 3.60 is 62.9% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Constellium SE and its competitors. For the Metals & Mining industry, the median PB Ratio is 2.21 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Constellium SE's current PB Ratio is 3.60, which is 22% above median its own 10-year median of 2.96. 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 (STU:3OK) is currently considered Significantly Overvalued. The stock's GF Value™ is €17.53, compared to a current price of €25.60 — trading 46% above its estimated fair value. The current PB Ratio is 3.60, which is 22% above median its 10-year median of 2.96 and 62.9% above the Metals & Mining industry median of 2.21. Constellium SE's overall GF Score™ is 73/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Constellium SE (STU:3OK), the current PB Ratio is 3.60 as of Jul. 09, 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 (STU:3OK) Overvalued in 2026?
Based on GuruFocus' analysis, Constellium SE stock appears to be overvalued.
The current stock price of €25.60 is trading 46% above its estimated GF Value™ of €17.53.
GuruFocus considers Constellium SE to be Significantly Overvalued.
Key valuation signals for STU:3OK:
PB Ratio: 3.60 (22% above median its 10-year median of 2.96)
GF Value™: €17.53 vs. price of €25.60 (46% above fair value)
Industry Position: 62.9% above the Metals & Mining median (#1589 of 2353)
No single metric tells the full story. See the STU:3OK 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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