Tetra Tech Inc (TTEK)

Industry Engineering & Construction

This stock can be held in an Investment ISA and an Investment Account

Sell

$30.31

Buy

$30.32

arrow-down$-0.60 (-1.94%)

Prices updated at 20 Mar 2026, 17:48 EDT

Prices minimum 15 mins delay

Prices in USD

Tetra Tech Inc provides consulting and engineering services to various industries. The company specializes in providing water-related services for public and private clients. It offers services from planning and forecasting to execution and maintenance.

NASDAQ

-1.67%

NASDAQ

Important documents: Please ensure that you have read the Pre-sale Illustrations document & Doing Business with Fidelity document (incorporating the Fidelity Client Terms) and

Our Investment Fees and Charges.

Sector

Industrials

Industry

Engineering & Construction

Chairman

Dr. Li-San Hwang, PhD

CEO

Mr. Roger R. Argus

Most recent earnings

30 Sep 2025

Fiscal year end

30 Sep 2025

Employees

25,000

Head office

3475 East Foothill Boulevard

Pasadena

United States

91107-6024

+1 626 351-4664

jim.wu@tetratech.com

Company website

Key personnel

Owner name chevron-l-regular chevron-r-regular	Salary
Mr. Dan L. Batrack Executive Chairman of the Board	1.25m
Mr. Jeffrey R. Feeler Director	-
Ms. M. Susan Hardwick Director	-
Mr. Roger R. Argus President, Chief Executive Officer and Director	0.59m
Dr. Li-San Hwang, PhD Chairman Emeritus	-
Dr. Leslie L. Shoemaker, PhD Executive Vice President, Chief Innovation and Sustainability Officer	0.68m
Mr. Steven M. Burdick Executive Vice President and Chief Financial Officer	0.70m
Mr. Brian N. Carter Senior Vice President, Corporate Controller and Chief Accounting Officer	-
Ms. Kirsten M. Volpi Presiding Independent Director	0.17m
Mr. Preston Hopson Executive Vice President, Chief Legal and Human Capital Officer and Secretary	0.59m
Mr. Gary R. Birkenbeuel Independent Director	0.13m
Mr. Prashant Gandhi Independent Director	0.13m

Top 5 shareholders

Owner name chevron-l-regular chevron-r-regular	No. of shares
Vanguard Group Inc	25,800,544
BlackRock Inc	25,506,017
BlackRock Fund Advisors	14,611,546
State Street Corp	11,292,728
Pictet Asset Manangement SA	11,204,346

Director dealings

Date chevron-l-regular chevron-r-regular	Action
19 Nov 2025	-
30 Nov 2025	-
30 Nov 2025	-
30 Nov 2025	-
30 Nov 2025	-
30 Nov 2025	-
30 Nov 2025	-
30 Nov 2025	-
30 Nov 2025	-
30 Nov 2025	-
19 Nov 2025	-
30 Nov 2025	-
30 Nov 2025	-
19 Nov 2025	-
30 Nov 2025	-
30 Nov 2025	-
30 Nov 2025	-
30 Nov 2025	-
30 Nov 2025	-
28 Nov 2025	-

Please note that past performance is not a reliable indicator of future returns.

Important Information

Investment values, and income from investments, can go down as well as up, so you may get back less than you invest. This is not a personal recommendation for a specific investment. If you're not sure which investments are suitable for you, consult Fidelity's advisers or another authorised financial adviser. The information contained herein: is proprietary to Morningstar and/or its content providers; may not be copied or distributed; and is not warranted to be accurate, complete or timely. Neither Morningstar nor its content providers are responsible for any damages or losses arising from any use of this information.