Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
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). Tetra Tech's share price for the quarter that ended in Jun. 2026 was €25.21. Tetra Tech's Shares Outstanding (EOP) for the quarter that ended in Jun. 2026 was 256 Mil. Therefore, Tetra Tech's market cap for the quarter that ended in Jun. 2026 was €6,455 Mil.
Tetra Tech's quarterly market cap
declined
from Dec. 2025 (€7,511 Mil) to Mar. 2026 (€6,748 Mil) and
declined
from Mar. 2026 (€6,748 Mil) to Jun. 2026 (€6,455 Mil).
Tetra Tech's annual market cap
increased
from Sep. 2023 (€7,774 Mil) to Sep. 2024 (€11,244 Mil) but then
declined
from Sep. 2024 (€11,244 Mil) to Sep. 2025 (€7,477 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. Tetra Tech's Enterprise Value for Today is €8,702 Mil.
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.
Tetra Tech Market Cap Related Terms
Tetra Tech Market Cap Historical Data
* Premium members only.
The historical data trend for Tetra Tech'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, Tetra Tech'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.
Tetra Tech Market Cap vs Construction Industry
For the Construction industry and Industrials sector, Tetra Tech's Market Cap distribution charts can be found below:
* The bar in red indicates where Tetra Tech'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.
Tetra Tech's Market Cap for the fiscal year that ended in Sep. 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.
Tetra Tech (STU:TT6) has a Market Cap of €8,023 Mil as of Aug. 27, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Tetra Tech and its competitors. According to the industry distribution chart, Tetra Tech ranks #56 out of 1815 companies in the Construction industry, placing it in the top 3.1%.
Is Tetra Tech's Market Cap too high?
Tetra Tech's current Market Cap is €8,023 Mil. Based on the distribution chart, Tetra Tech ranks #56 out of 1815 companies in the Construction industry, which is in the top quartile — a strong position relative to peers. Overall, Tetra Tech has a GF Score™ of 86/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Tetra Tech's Market Cap compare to AGX and ACM?
According to the Construction industry distribution chart, Tetra Tech ranks #56 out of 1815 companies for Market Cap. This places Tetra Tech in the top 3% of its industry — outperforming the majority of peers. The industry median Market Cap is 123.68. 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 123.68, based on 1,815 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 Tetra Tech and its competitors. For the Construction industry, the median Market Cap is 123.68 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tetra Tech's current Market Cap is €8,023 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tetra Tech stock overvalued right now?
Based on GuruFocus' analysis, Tetra Tech (STU:TT6) is currently considered Fairly Valued. The stock's GF Value™ is €28.73, compared to a current price of €31.40 — trading 9.3% above its estimated fair value. The current Market Cap is €8,023 Mil. Tetra Tech's overall GF Score™ is 86/100 with 2 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 Tetra Tech (STU:TT6), the current Market Cap is €8,023 Mil as of Aug. 27, 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 Tetra Tech (STU:TT6) Overvalued in 2026?
Based on GuruFocus' analysis, Tetra Tech stock appears to be overvalued.
The current stock price of €31.40 is trading 9.3% above its estimated GF Value™ of €28.73.
GuruFocus considers Tetra Tech to be Fairly Valued.
Key valuation signals for STU:TT6:
Market Cap: €8,023 Mil
GF Value™: €28.73 vs. price of €31.40 (9.3% above fair value)
No single metric tells the full story. See the STU:TT6 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Tetra Tech Inc provides consulting and engineering services for environmental, infrastructure, resource management, energy, and international development markets. It specializes in providing water-related services for public and private clients. It designs infrastructure, facilities, and other structures with complex plans and resource management. it has two reportable segments. Its Government Services Group (GSG) segment includes activities with U.S. government clients (federal, state and local) and activities with development agencies world-wide. Commercial/International Services Group (CIG) segment, which derives maximum revenue, includes activities with U.S. commercial clients and international clients other than development agencies.
86GF Score
Get the complete analysis for STU:TT6
Market Cap is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
STU:TT6 has been successfully added to your 
