Ultra Clean Holdings, Inc.

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM UCTT

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

41,559

Value ($000)

1,053

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	1,053	0.0%	41,559	12/31/2025
2025 Q3	11/14/2025	1,133	0.0%	41,591	9/30/2025
2025 Q2	8/14/2025	876	0.0%	38,809	6/30/2025
2025 Q1	5/15/2025	900	0.0%	42,046	3/31/2025
2024 Q4	3/18/2025	1,512	0.0%	42,046	12/31/2024
2024 Q3	4/4/2025	1,695	0.0%	42,441	9/30/2024
2024 Q2	4/8/2025	2,133	0.0%	43,534	6/30/2024
2024 Q1	5/16/2024	2,067	0.0%	44,989	3/31/2024
2023 Q4	2/13/2024	1,628	0.0%	47,686	12/31/2023
2023 Q3	11/14/2023	1,463	0.0%	49,313	9/30/2023
2023 Q2	8/21/2023	2,085	0.0%	54,214	6/30/2023
2023 Q1	5/9/2023	1,883	0.0%	56,773	3/31/2023
2022 Q4	2/14/2023	1,908	0.0%	57,560	12/31/2022
2022 Q3	11/21/2022	1,459	0.0%	56,644	9/30/2022
2022 Q2	8/15/2022	1,726	0.0%	57,979	6/30/2022
2022 Q1	5/16/2022	2,427	0.0%	57,253	3/31/2022
2021 Q4	2/15/2022	3,552	0.0%	61,919	12/31/2021
2021 Q3	11/15/2021	2,549	0.0%	59,832	9/30/2021
2021 Q2	8/16/2021	3,220	0.0%	59,937	6/30/2021
2021 Q1	5/18/2021	3,512	0.0%	60,507	3/31/2021
2020 Q4	2/16/2021	1,891	0.0%	60,708	12/31/2020
2020 Q3	11/17/2020	1,303	0.0%	60,708	9/30/2020
2020 Q2	8/17/2020	1,352	0.0%	59,733	6/30/2020
2020 Q1	5/13/2020	824	0.0%	59,698	3/31/2020
2019 Q4	2/14/2020	1,417	0.0%	60,372	12/31/2019
2014 Q1	5/8/2014	569	0.0%	43,273	3/31/2014
2013 Q4	2/10/2014	434	0.0%	43,273	12/31/2013