Tetra Tech Inc

GREAT LAKES ADVISORS, LLC TTEK

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/12/2026

Shares

17,773

Value ($000)

596

Weight

0.0%

2019 Q4 - 2025 Q4 (25 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	2/12/2026	596	0.0%	17,773	12/31/2025
2025 Q3	11/3/2025	672	0.0%	20,140	9/30/2025
2025 Q2	8/11/2025	716	0.0%	19,900	6/30/2025
2025 Q1	5/16/2025	586	0.0%	20,037	3/31/2025
2024 Q4	2/10/2025	940	0.0%	23,600	12/31/2024
2024 Q3	11/4/2024	1,057	0.0%	22,407	9/30/2024
2024 Q2	8/6/2024	931	0.0%	4,554	6/30/2024
2024 Q1	5/8/2024	758	0.0%	4,102	3/31/2024
2023 Q4	2/8/2024	691	0.0%	4,137	12/31/2023
2023 Q3	11/7/2023	632	0.0%	4,159	9/30/2023
2023 Q2	8/10/2023	717	0.0%	4,380	6/30/2023
2023 Q1	5/10/2023	680	0.0%	4,626	3/31/2023
2022 Q4	2/9/2023	689	0.0%	4,743	12/31/2022
2022 Q3	11/9/2022	635	0.0%	4,937	9/30/2022
2022 Q2	8/9/2022	717	0.0%	5,253	6/30/2022
2022 Q1	5/6/2022	986	0.0%	5,977	3/31/2022
2021 Q4	2/9/2022	1,223	0.0%	7,204	12/31/2021
2021 Q3	11/9/2021	967	0.0%	6,477	9/30/2021
2021 Q2	8/11/2021	821	0.0%	6,731	6/30/2021
2021 Q1	5/3/2021	909	0.0%	6,699	3/31/2021
2020 Q4	2/9/2021	802	0.0%	6,925	12/31/2020
2020 Q3	11/4/2020	638	0.0%	6,685	9/30/2020
2020 Q2	8/7/2020	536	0.0%	6,778	6/30/2020
2020 Q1	5/8/2020	489	0.0%	6,921	3/31/2020
2019 Q4	2/7/2020	560	0.0%	6,505	12/31/2019