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). Costain Group's share price for the quarter that ended in Dec. 2025 was $3.3. Costain Group's Shares Outstanding (EOP) for the quarter that ended in Dec. 2025 was 133 Mil. Therefore, Costain Group's market cap for the quarter that ended in Dec. 2025 was $440 Mil.
Costain Group's quarterly market cap
increased
from Dec. 2024 ($196 Mil) to Jun. 2025 ($449 Mil) but then
declined
from Jun. 2025 ($449 Mil) to Dec. 2025 ($440 Mil).
Costain Group's annual market cap
declined
from Dec. 2023 ($295 Mil) to Dec. 2024 ($196 Mil) but then
increased
from Dec. 2024 ($196 Mil) to Dec. 2025 ($440 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. Costain Group's Enterprise Value for Today is $219 Mil.
Costain Group (OTCPK:CTNGY) 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.
Costain Group Market Cap Related Terms
Costain Group Market Cap Historical Data
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The historical data trend for Costain Group'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 Engineering & Construction subindustry, Costain Group'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.
Costain Group Market Cap vs Construction Industry
For the Construction industry and Industrials sector, Costain Group's Market Cap distribution charts can be found below:
* The bar in red indicates where Costain Group'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.
Costain Group'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.
Costain Group (CTNGY) has a Market Cap of $439 Mil as of Jun. 29, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Costain Group and its competitors. According to the industry distribution chart, Costain Group ranks #399 out of 1807 companies in the Construction industry, placing it in the top 22.1%.
Is Costain Group's Market Cap too high?
Costain Group's current Market Cap is $439 Mil. The Construction industry median Market Cap is 119.09. Costain Group's value of $439 Mil is 268.6% above this industry median. Based on the distribution chart, Costain Group ranks #399 out of 1807 companies in the Construction industry, which is in the top quartile — a strong position relative to peers. Overall, Costain Group has a GF Score™ of 59/100, reflecting its overall financial health beyond just this single metric.
How does Costain Group's Market Cap compare to PWR and FIX?
According to the Construction industry distribution chart, Costain Group ranks #399 out of 1807 companies for Market Cap. This places Costain Group in the top 22% of its industry — outperforming the majority of peers. The industry median Market Cap is 119.09. Costain Group's value of $439 Mil is 268.6% above this benchmark. 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 Construction company?
The median Market Cap among Construction companies is 119.09, based on 1,807 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. Costain Group's current Market Cap of $439 Mil is 268.6% 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 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 Costain Group and its competitors. For the Construction industry, the median Market Cap is 119.09 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Costain Group's current Market Cap is $439 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Costain Group stock overvalued right now?
Costain Group (CTNGY) has a current Market Cap of $439 Mil. The stock's GF Value™ is $1.23, compared to a current price of $3.30 — trading 168.3% above its estimated fair value. The current Market Cap is $439 Mil and 268.6% above the Construction industry median of 119.09. Costain Group's overall GF Score™ is 59/100 with 5 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 Costain Group (CTNGY), the current Market Cap is $439 Mil as of Jun. 29, 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 Costain Group (CTNGY) Overvalued in 2026?
Based on GuruFocus' analysis, Costain Group stock appears to be overvalued.
The current stock price of $3.30 is trading 168.3% above its estimated GF Value™ of $1.23.
Key valuation signals for CTNGY:
Market Cap: $439 Mil
GF Value™: $1.23 vs. price of $3.30 (168.3% above fair value)
Industry Position: 268.6% above the Construction median (#399 of 1807)
No single metric tells the full story. See the CTNGY stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Costain Group PLC offers solutions and services. It provides engineering and technology solutions and advisory and development, design, management, project delivery, technology integration and asset optimization and support services to highways, nuclear, oil and gas, power, water sectors, rail. The company has two segments Transportation and Natural resources. The transportation segment covers highways, rail, and nuclear markets and the Natural resources segment comprises of water, power and oil and gas markets. Majority of revenue is from Transportation Segment.
59GF Score
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