Boston Scientific Corp

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND BSX

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

578,603

Value ($000)

55,170

Weight

0.1%

2019 Q4 - 2025 Q4 (17 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	55,170	0.1%	578,603	12/31/2025
2025 Q3	11/13/2025	5,727	0.0%	58,657	9/30/2025
2025 Q2	8/13/2025	6,339	0.0%	59,018	6/30/2025
2025 Q1	5/14/2025	9,502	0.0%	94,190	3/31/2025
2024 Q4	2/14/2025	41,245	0.1%	461,769	12/31/2024
2024 Q3	11/13/2024	6,254	0.0%	74,626	9/30/2024
2022 Q3	11/14/2022	747	0.0%	19,300	9/30/2022
2022 Q2	8/11/2022	719	0.0%	19,300	6/30/2022
2022 Q1	5/12/2022	6,313	0.0%	142,535	3/31/2022
2021 Q4	2/11/2022	3,024	0.0%	71,182	12/31/2021
2021 Q3	11/10/2021	848	0.0%	19,535	9/30/2021
2021 Q2	8/12/2021	15,502	0.0%	362,535	6/30/2021
2021 Q1	5/13/2021	14,012	0.0%	362,535	3/31/2021
2020 Q4	3/1/2021	744	0.0%	20,706	12/31/2020
2020 Q3	3/1/2021	6,479	0.1%	169,574	9/30/2020
2020 Q2	3/1/2021	10	0.0%	274	6/30/2020
2019 Q4	2/12/2020	8,583	0.0%	189,804	12/31/2019