Ultra Clean Holdings, Inc.

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND UCTT

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

60,000

Value ($000)

1,520

Weight

0.0%

2019 Q4 - 2025 Q4 (7 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	2/13/2026	1,520	0.0%	60,000	12/31/2025
2025 Q3	11/13/2025	1,635	0.0%	60,000	9/30/2025
2023 Q4	3/21/2024	154	0.0%	4,500	12/31/2023
2023 Q3	11/13/2023	267	0.0%	9,000	9/30/2023
2023 Q2	8/11/2023	346	0.0%	9,000	6/30/2023
2020 Q4	3/1/2021	1,022	0.0%	32,800	12/31/2020
2019 Q4	2/12/2020	2,272	0.0%	96,800	12/31/2019