Western Digital Corp

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND WDC

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

147,200

Value ($000)

25,358

Weight

0.0%

2019 Q4 - 2025 Q4 (20 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	25,358	0.0%	147,200	12/31/2025
2025 Q3	11/13/2025	54,691	0.1%	455,534	9/30/2025
2025 Q2	8/13/2025	41,063	0.1%	641,717	6/30/2025
2025 Q1	5/14/2025	10,409	0.0%	257,447	3/31/2025
2024 Q4	2/14/2025	24,812	0.1%	416,100	12/31/2024
2024 Q3	11/13/2024	17,953	0.0%	262,900	9/30/2024
2024 Q2	9/20/2024	3,033	0.0%	40,028	6/30/2024
2023 Q4	3/21/2024	16,795	0.1%	320,700	12/31/2023
2023 Q2	8/11/2023	2,139	0.0%	56,400	6/30/2023
2022 Q4	2/13/2023	687	0.0%	21,767	12/31/2022
2022 Q3	11/14/2022	498	0.0%	15,300	9/30/2022
2022 Q2	8/11/2022	2,954	0.0%	65,900	6/30/2022
2022 Q1	5/12/2022	57	0.0%	1,158	3/31/2022
2021 Q3	11/10/2021	1,396	0.0%	24,737	9/30/2021
2021 Q2	8/12/2021	3,874	0.0%	54,431	6/30/2021
2021 Q1	5/13/2021	7,670	0.0%	114,900	3/31/2021
2020 Q4	3/1/2021	2,193	0.0%	39,600	12/31/2020
2020 Q3	3/1/2021	1,444	0.0%	39,500	9/30/2020
2020 Q1	5/13/2020	529	0.0%	12,700	3/31/2020
2019 Q4	2/12/2020	1,023	0.0%	16,117	12/31/2019