Tetra Tech, Inc.

NasdaqGS:TTEK Stock Report

Market Cap: US$9.0b

Tetra Tech Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:TTEK Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
16 Oct 25BuyUS$6,604,226Pictet Asset Management LimitedCompany180,148US$36.66
16 Oct 25SellUS$33,817,101Pictet Asset Management LimitedCompany914,470US$36.98
14 Aug 25SellUS$86,050Gary BirkenbeuelIndividual2,390US$36.00
11 Apr 25BuyUS$0Pictet Asset Management LimitedCompany530,045US$31.08
11 Apr 25SellUS$10,079,956Pictet Asset Management LimitedCompany345,209US$30.35
04 Feb 25SellUS$347,313Kirsten VolpiIndividual10,116US$34.41

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of TTEK?
Owner TypeNumber of SharesOwnership Percentage
State or Government226,0690.0867%
Individual Insiders1,334,4790.512%
General Public3,642,5171.4%
Institutions255,625,17198%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 61.04% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
10.1%
The Vanguard Group, Inc.
26,301,722US$906.9m-1.05%0.01%
9.78%
BlackRock, Inc.
25,506,017US$879.4m-0.73%0.01%
4.99%
Pictet Asset Management Limited
13,006,243US$448.5m-8.34%0.3%
4.33%
State Street Global Advisors, Inc.
11,292,728US$389.4m-5.43%0.01%
3.55%
Capital Research and Management Company
9,253,160US$319.0m143%0.01%
3.46%
Neuberger Berman Investment Advisers LLC
9,027,698US$311.3m1.4%0.22%
2.75%
Sands Capital Management, LLC
7,179,032US$247.5m38.1%0.62%
2.52%
AllianceBernstein L.P.
6,581,244US$226.9m12%0.06%
2.21%
Amundi Asset Management SAS
5,759,681US$198.6m-14.8%0.04%
1.93%
Geode Capital Management, LLC
5,029,967US$173.4m1.37%0.01%
1.64%
Fidelity International Ltd
4,286,250US$147.8m-7.87%0.05%
1.38%
Dimensional Fund Advisors LP
3,593,261US$123.9m1.36%0.02%
1.26%
Ninety One UK Limited
3,274,339US$112.9m3.07%0.14%
1.14%
LGT Capital Partners Ltd.
2,978,570US$102.7m6.29%0.75%
1.12%
Norges Bank Investment Management
2,915,542US$100.5m0%0.01%
0.99%
BNY Asset Management
2,574,733US$88.8m5.21%0.02%
0.98%
Northern Trust Global Investments
2,552,207US$88.0m-1.68%0.01%
0.97%
Columbia Management Investment Advisers, LLC
2,536,018US$87.4m5.8%0.02%
0.92%
M&G Investment Management Limited
2,409,574US$83.1m-0.29%0.15%
0.92%
UBS Asset Management AG
2,407,127US$83.0m-3.71%0.01%
0.91%
RobecoSAM AG
2,379,020US$82.0m-15%0.91%
0.83%
Managed Account Advisors LLC
2,172,556US$74.9m1.14%0.01%
0.82%
Charles Schwab Investment Management, Inc.
2,131,414US$73.5m0.96%0.01%
0.79%
Van Berkom and Associates Inc.
2,065,070US$71.2m0.11%2.06%
0.77%
Invesco Capital Management LLC
2,009,258US$69.3m-9.94%0.02%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2025/12/02 10:45
End of Day Share Price 2025/12/01 00:00
Earnings2025/09/28
Annual Earnings2025/09/28

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Tetra Tech, Inc. is covered by 24 analysts. 6 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Andrew WittmannBaird
Samuel EnglandBerenberg
Robert BurlesonCanaccord Genuity