Tetra Tech Inc

VANGUARD GROUP INC TTEK

Report date

12/31/2025

Quarter

2025 Q4

Filed

1/29/2026

Shares

25,800,544

Value ($000)

865,350

Weight

0.0%

2013 Q4 - 2025 Q4 (28 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	1/29/2026	865,350	0.0%	25,800,544	12/31/2025
2025 Q3	11/7/2025	877,951	0.0%	26,301,722	9/30/2025
2025 Q2	8/11/2025	955,859	0.0%	26,581,181	6/30/2025
2025 Q1	5/9/2025	795,185	0.0%	27,185,795	3/31/2025
2024 Q4	2/11/2025	1,032,338	0.0%	25,912,103	12/31/2024
2024 Q3	11/13/2024	1,215,990	0.0%	25,784,346	9/30/2024
2024 Q2	8/13/2024	1,056,238	0.0%	5,165,483	6/30/2024
2024 Q1	5/10/2024	954,684	0.0%	5,168,554	3/31/2024
2023 Q4	3/11/2024	860,333	0.0%	5,153,853	12/31/2023
2023 Q3	12/18/2023	788,698	0.0%	5,187,777	9/30/2023
2023 Q2	8/14/2023	874,697	0.0%	5,341,986	6/30/2023
2023 Q1	7/14/2023	823,474	0.0%	5,605,294	3/31/2023
2022 Q4	2/10/2023	774,865	0.0%	5,336,901	12/31/2022
2022 Q3	11/14/2022	671,087	0.0%	5,221,253	9/30/2022
2022 Q2	8/12/2022	700,392	0.0%	5,129,201	6/30/2022
2022 Q1	5/13/2022	874,777	0.0%	5,303,607	3/31/2022
2021 Q4	2/14/2022	890,041	0.0%	5,241,701	12/31/2021
2021 Q3	11/12/2021	791,201	0.0%	5,297,980	9/30/2021
2021 Q2	8/13/2021	655,532	0.0%	5,371,449	6/30/2021
2021 Q1	5/14/2021	722,246	0.0%	5,321,586	3/31/2021
2020 Q4	2/12/2021	595,597	0.0%	5,144,221	12/31/2020
2020 Q3	11/16/2020	487,444	0.0%	5,104,127	9/30/2020
2020 Q2	8/14/2020	430,738	0.0%	5,444,114	6/30/2020
2020 Q1	5/15/2020	397,650	0.0%	5,630,848	3/31/2020
2019 Q4	2/14/2020	472,727	0.0%	5,486,615	12/31/2019
2014 Q2	8/11/2014	112,742	0.0%	4,099,700	6/30/2014
2014 Q1	5/13/2014	119,608	0.0%	4,042,186	3/31/2014
2013 Q4	2/12/2014	108,163	0.0%	3,865,735	12/31/2013