Tetra Tech (TTEK) - Market capitalization

Market cap: A$13.31 Billion

As of December 2025 Tetra Tech has a market cap of A$13.31 Billion. This makes Tetra Tech the world's 2114th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of Tetra Tech from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	A$13.31 B	-22.36%
2024	A$17.14 B	31.41%
2023	A$13.04 B	15.42%
2022	A$11.30 B	-10.43%
2021	A$12.62 B	55.86%
2020	A$8.09 B	20.23%
2019	A$6.73 B	65.65%
2018	A$4.06 B	17.94%
2017	A$3.44 B	0.68%
2016	A$3.42 B	62.73%
2015	A$2.10 B	3.74%
2014	A$2.02 B	-0.12%
2013	A$2.03 B	23.85%
2012	A$1.63 B	24.25%
2011	A$1.31 B	-13.49%
2010	A$1.52 B	-17.9%
2009	A$1.85 B	-9.34%
2008	A$2.04 B	42.45%
2007	A$1.43 B	8.29%
2006	A$1.32 B	8.55%
2005	A$1.22 B	0.28%
2004	A$1.22 B	-32.97%
2003	A$1.82 B	57.73%
2002	A$1.15 B	-43.5%
2001	A$2.04 B	-11.01%
2000	A$2.29 B	155.16%
1999	A$0.90 B	-29.01%
1998	A$1.26 B	85.42%
1997	A$0.68 B	93.07%
1996	A$0.35 B

End of Day market cap according to different sources

On Dec 27th, 2025 the market cap of Tetra Tech was reported to be:

A$13.21 Billion

by Nasdaq

A$13.31 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
AECOM ACM	A$19.20 B	44.26%	🇺🇸 USA
Hill International HIL	A$0.28 B	-97.83%	🇺🇸 USA
Clean Harbors CLH	A$19.22 B	44.44%	🇺🇸 USA
Waste Management WM	A$132.59 B	896.11%	🇺🇸 USA
ICF International ICFI	A$2.36 B	-82.23%	🇺🇸 USA
Great Lakes Dredge & Dock Corp. GLDD	A$1.35 B	-89.86%	🇺🇸 USA
MYR Group MYRG	A$5.20 B	-60.93%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Tetra Tech (TTEK)

Market cap: A$13.31 Billion