Patterson Uti Energy Inc

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM PTEN

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

353,199

Value ($000)

2,158

Weight

0.0%

2013 Q4 - 2025 Q4 (27 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	2/17/2026	2,158	0.0%	353,199	12/31/2025
2025 Q3	11/14/2025	1,786	0.0%	344,697	9/30/2025
2025 Q2	8/14/2025	2,044	0.0%	344,681	6/30/2025
2025 Q1	5/15/2025	2,833	0.0%	344,681	3/31/2025
2024 Q4	3/18/2025	2,896	0.0%	350,572	12/31/2024
2024 Q3	4/4/2025	2,766	0.0%	361,542	9/30/2024
2024 Q2	4/8/2025	3,737	0.0%	360,721	6/30/2024
2024 Q1	5/16/2024	4,457	0.0%	373,277	3/31/2024
2023 Q4	2/13/2024	4,054	0.0%	375,346	12/31/2023
2023 Q3	11/14/2023	5,395	0.0%	389,840	9/30/2023
2023 Q2	8/21/2023	3,019	0.0%	252,253	6/30/2023
2023 Q1	5/9/2023	3,163	0.0%	270,302	3/31/2023
2022 Q4	2/14/2023	4,619	0.0%	274,303	12/31/2022
2022 Q3	11/21/2022	3,163	0.0%	270,847	9/30/2022
2022 Q2	8/15/2022	4,343	0.0%	275,595	6/30/2022
2022 Q1	5/16/2022	4,067	0.0%	262,728	3/31/2022
2021 Q4	2/15/2022	2,245	0.0%	265,699	12/31/2021
2021 Q3	11/15/2021	2,342	0.0%	260,263	9/30/2021
2021 Q2	8/16/2021	2,606	0.0%	262,181	6/30/2021
2021 Q1	5/18/2021	2,010	0.0%	281,949	3/31/2021
2020 Q4	2/16/2021	1,483	0.0%	281,872	12/31/2020
2020 Q3	11/17/2020	878	0.0%	307,905	9/30/2020
2020 Q2	8/17/2020	1,049	0.0%	302,369	6/30/2020
2020 Q1	5/13/2020	789	0.0%	335,612	3/31/2020
2019 Q4	2/14/2020	3,274	0.0%	311,786	12/31/2019
2014 Q1	5/8/2014	8,466	0.0%	267,225	3/31/2014
2013 Q4	2/10/2014	6,733	0.0%	265,925	12/31/2013