Tetra Tech (TTEK) Market Cap 1991–2026

As of October 29, 2026, Tetra Tech had a market cap of $9.753 billion, which increased by 3.57% compared to the previous trading day. Market capitalization, often referred to as market cap, represents the total value of a company's outstanding shares on the stock market and is a common measure of its overall size and valuation.

Data updated: Oct 29, 2026, 4:00 PM ET
Tetra Tech logo

Tetra Tech Inc. (TTEK)

🌍 United States 📈 NASDAQ 🏭 Industrials 🏢 Commercial Services & Supplies
Latest Market Cap
$9.753B ▲ 3.57%
Start of 2026
$8.748B ▲ 11.49%
1 Year Ago
$8.456B ▲ 15.34%
All-Time High
$13.525B ▼ 27.89%


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Note: Each point on the chart represents the market capitalization at the end of the trading day.
Source: Data compiled from EDGAR filings, Bloomberg and Yahoo Finance.

📈 Tetra Tech Market Cap History by Year and Month

Tetra Tech Market Cap History by Year and Month
Year / MonthMarket Cap% Change
2026$9.753B▲ 11.49%
$9.753B▲ 15.60%
$8.437B▼ 8.82%
$9.253B▲ 8.99%
$8.49B▲ 13.23%
$7.498B▲ 5.10%
$7.134B▼ 14.95%
$8.388B▲ 6.77%
$7.856B▼ 15.95%
$9.347B▼ 4.84%
$9.822B▲ 12.28%
2025$8.748B▼ 18.07%
2024$10.678B▲ 20.13%
2023$8.889B▲ 15.56%
2022$7.692B▼ 15.93%
All market cap values reflect closing prices for the period shown.

📊 Tetra Tech Market Cap and Other Industry Peers

Below are selected companies from the Industrials sector / subsector:

  1. $91.83B
  2. $87.12B
  3. $72.3B
  4. $27.37B
  5. $25.41B
  6. $16.58B
  7. $16.34B
  8. $16.31B
  9. $9.95B
  10. $9.89B
  11. $9.79B
  12. $9.75B
  13. $9.74B
  14. $9.61B
  15. $6.92B
  16. $5.75B
  17. $4.21B
  18. $2.26B
  19. $2.01B
  20. $1.05B


Data reflect the most recent market capitalization values available.

Note: Market capitalization figures are based on available sources and may differ slightly from actual values, particularly for historical data.