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Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). Century Aluminum Co's share price for the quarter that ended in Mar. 2026 was €50.58. Century Aluminum Co's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 99 Mil. Therefore, Century Aluminum Co's market cap for the quarter that ended in Mar. 2026 was €5,006 Mil.
Century Aluminum Co's quarterly market cap
increased
from Sep. 2025 (€2,334 Mil) to Dec. 2025 (€3,246 Mil) and
increased
from Dec. 2025 (€3,246 Mil) to Mar. 2026 (€5,006 Mil).
Century Aluminum Co's annual market cap
increased
from Dec. 2023 (€1,052 Mil) to Dec. 2024 (€1,626 Mil) and
increased
from Dec. 2024 (€1,626 Mil) to Dec. 2025 (€3,246 Mil).
Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. Century Aluminum Co's Enterprise Value for Today is €4,403 Mil.
Century Aluminum Co (STU:EY3) Market Cap Explanation
Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the companys debt. The real price you pay is the Enterprise Value.
Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.
Century Aluminum Co Market Cap Related Terms
Century Aluminum Co Market Cap Historical Data
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The historical data trend for Century Aluminum Co's Market Cap 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, Century Aluminum Co's Market Cap, along with its competitors' market caps and Market Cap 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.
Century Aluminum Co Market Cap vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Century Aluminum Co's Market Cap distribution charts can be found below:
* The bar in red indicates where Century Aluminum Co's Market Cap falls into.
Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.
Century Aluminum Co's Market Cap for the fiscal year that ended in Dec. 2025 is calculated as
* 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.
Century Aluminum Co (STU:EY3) has a Market Cap of €4,020 Mil as of Jul. 25, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Century Aluminum Co and its competitors. According to the industry distribution chart, Century Aluminum Co ranks #135 out of 2684 companies in the Metals & Mining industry, placing it in the top 5%.
Is Century Aluminum Co's Market Cap too high?
Century Aluminum Co's current Market Cap is €4,020 Mil. Based on the distribution chart, Century Aluminum Co ranks #135 out of 2684 companies in the Metals & Mining industry, which is in the top quartile — a strong position relative to peers. Overall, Century Aluminum Co has a GF Score™ of 66/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Century Aluminum Co's Market Cap compare to CSTM and KALU?
According to the Metals & Mining industry distribution chart, Century Aluminum Co ranks #135 out of 2684 companies for Market Cap. This places Century Aluminum Co in the top 5% of its industry — outperforming the majority of peers. The industry median Market Cap is 21.55. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for a Metals & Mining company?
The median Market Cap among Metals & Mining companies is 21.55, based on 2,684 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap 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 Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Century Aluminum Co and its competitors. For the Metals & Mining industry, the median Market Cap is 21.55 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Century Aluminum Co's current Market Cap is €4,020 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Century Aluminum Co stock overvalued right now?
Based on GuruFocus' analysis, Century Aluminum Co (STU:EY3) is currently considered Significantly Overvalued. The stock's GF Value™ is €19.23, compared to a current price of €40.50 — trading 110.6% above its estimated fair value. The current Market Cap is €4,020 Mil. Century Aluminum Co's overall GF Score™ is 66/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For Century Aluminum Co (STU:EY3), the current Market Cap is €4,020 Mil as of Jul. 25, 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 Century Aluminum Co (STU:EY3) Overvalued in 2026?
Based on GuruFocus' analysis, Century Aluminum Co stock appears to be overvalued.
The current stock price of €40.50 is trading 110.6% above its estimated GF Value™ of €19.23.
GuruFocus considers Century Aluminum Co to be Significantly Overvalued.
Key valuation signals for STU:EY3:
Market Cap: €4,020 Mil
GF Value™: €19.23 vs. price of €40.50 (110.6% above fair value)
No single metric tells the full story. See the STU:EY3 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Century Aluminum Co produces primary aluminum standard grade and value-added products. The firm operates smelter facilities in the United States and Iceland. The majority of revenue is generated from Glencore, which agreed to purchase nearly all of Century Aluminum's North American production. The company produces high purity aluminum, standard-grade aluminum sow and tee bars, and value-added billet and foundry products. The company also owns a carbon anode production facility in the Netherlands.
66GF Score
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