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TTEK · NASDAQ

Tetra Tech (TTEK) Stock Price & Fundamentals

$594.57+1.63%+$9.52End-of-day price as of Oct 9, 2026

Tetra Tech (TTEK) closed at $594.57 on Oct 9, 2026, up 1.63% from the previous close of $585.05.

Share price, past year

1Y +16.43%

52-week range $498.89 – $630.10. Daily closing prices.
Monthly closing prices
Last closing price of each month
DateClose
Oct 9, 2026$594.57
Sep 30, 2026$605.17
Aug 31, 2026$619.20
Jul 31, 2026$608.48
Jun 30, 2026$614.89
May 29, 2026$592.54
Apr 30, 2026$574.38
Mar 31, 2026$560.36
Feb 27, 2026$571.14
Jan 30, 2026$567.56
Dec 31, 2025$551.53
Nov 28, 2025$544.51
Oct 31, 2025$520.07

Key statistics

Market cap
$152.24B
P/E (TTM)
358.2
EPS (TTM)
$1.66
Revenue (TTM)
$5.07B
Net income (TTM)
—
Shares outstanding
256M
Dividend yield
0.04%
52-week range
$498.89 – $630.10

Tetra Tech's market cap is $152.24B, based on a share price of $594.57 and 256M shares outstanding as of Jun 28, 2026.

Financials

Tetra Tech reported revenue of $5.44B for fiscal 2025, up 4.69% from fiscal 2024.

Fiscal 2025 revenue was the highest in the 10 years shown.

Annual revenue

FY16FY17FY18FY19FY20FY21FY22FY23FY24FY25
Annual revenue by fiscal year; the table below lists the values.
Tetra Tech annual financials by fiscal year, from SEC filings
Fiscal yearRevenueGrowthNet incomeNet marginEPS (diluted)Free cash flow
FY2025ended Sep 28, 2025$5.44B+4.7%——$0.93$439.05M
FY2024ended Sep 29, 2024$5.20B+15.0%——$1.23$340.57M
FY2023ended Oct 1, 2023$4.52B+29.1%——$1.02$341.56M
FY2022ended Oct 2, 2022$3.50B+9.0%——$0.97$325.61M
FY2021ended Oct 3, 2021$3.21B+7.3%——$0.852$295.80M
FY2020ended Sep 27, 2020$2.99B−3.6%——$0.632$250.23M
FY2019ended Sep 29, 2019$3.11B+4.8%——$0.568$192.32M
FY2018ended Sep 30, 2018$2.96B+7.7%——$0.484$176.01M
FY2017ended Oct 1, 2017$2.75B+6.6%——$0.408$131.75M
FY2016ended Oct 2, 2016$2.58B———$0.284$130.08M
Tetra Tech quarterly results
QuarterRevenueNet incomeEPS (diluted)
Q3 FY2026ended Jun 28, 2026$1.31B—$0.42
Q2 FY2026ended Mar 29, 2026$1.22B—$0.36
Q1 FY2026ended Dec 28, 2025$1.21B—$0.40
Q4 FY2025ended Sep 28, 2025$1.33B—$0.48
Q3 FY2025ended Jun 29, 2025$1.37B$113.84M$0.43
Q2 FY2025ended Mar 30, 2025$1.32B$5.39M$0.02
Q1 FY2025ended Dec 29, 2024$1.42B—$0.00
Q4 FY2024ended Sep 29, 2024$1.37B—$0.35

Company profile

Name
Tetra Tech, Inc.
Ticker
TTEK
Exchange
NASDAQ
Industry (SEC SIC)
Services-Engineering Services
Headquarters
3475 East Foothill Boulevard, Pasadena, CA 91107
Incorporated in
DE
Fiscal year ends
September
SEC CIK
0000831641

Recent SEC filings

Frequently asked questions

What is Tetra Tech's stock price?

Tetra Tech (TTEK) closed at $594.57 on Oct 9, 2026, up 1.63% from the previous close of $585.05.

What is Tetra Tech's market cap?

Tetra Tech's market cap is $152.24B, based on a share price of $594.57 and 256M shares outstanding as of Jun 28, 2026.

How much revenue does Tetra Tech make?

Tetra Tech reported revenue of $5.44B for fiscal 2025, up 4.69% from fiscal 2024.

What is TTEK's P/E ratio?

Tetra Tech's price-to-earnings ratio is 358.2, based on trailing twelve-month diluted EPS of $1.66.

Does Tetra Tech pay a dividend?

Yes. Tetra Tech declared $0.267 per share in dividends over the last four quarters, a yield of 0.04%.

Sources and methodology

Fundamentals come from Tetra Tech, Inc.'s filings with the SEC (EDGAR XBRL company facts). Fourth-quarter figures that companies don't report separately are calculated as the fiscal year minus the first three quarters. Trailing twelve-month (TTM) figures sum the latest four quarters. Prices are generated sample data for development. Last updated Oct 9, 2026. Data sources and disclosures