TotalMarketCap

Tetra Tech

TTEKNasdaq United StatesConsumer DiscretionaryMilitary/Government/Technical

Market cap

$10.401 B

$40.62 -0.78%

Close of 6 Nov 2026

As of 6 Nov 2026, Tetra Tech (TTEK) has a market capitalization of $10.4B. Market cap measures the value of outstanding equity at market prices; company totals combine applicable share classes. Prices and market caps come from Nasdaq, with financial fundamentals from SEC filings. See sources and calculation details.

Revenue

$5.44B

#623 by revenue

Earnings

—

Not reported

Shares outstanding

256,044,428

Latest filing cover page

P/E ratio

—

Cap ÷ net income

Military/Government/Technical, ranked by market cap

All 43 →
  1. #6ArxisARXS$20.9B
  2. #7Jacobs SolutionsJ$17.2B
  3. #8Tetra TechTTEK$10.4B
  4. #9AecomACM$8.60B
  5. #10StantecSTN$8.51B

What if Tetra Tech were worth as much as…

Open the what-if tool →

Gold $28.2T

$110,281.15

Per share 2,715× higher

Bitcoin $1.53T

$5,967.12

Per share 147× higher

Apple $5.02T

$19,589.50

Per share 482× higher

Or at a round number

$20.0B$50.0B$100.0B$200.0B

Where these numbers come from

Share counts and financials for Tetra Tech are taken from its own SEC filings via EDGAR: public record, not an estimate. Market cap is shares outstanding multiplied by the latest close. Read the methodology.