White Mountains Insurance Group Ltd

BANK OF MONTREAL /CAN/ WTM

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/12/2026

Shares

431

Value ($000)

896

Weight

0.0%

2013 Q3 - 2025 Q4 (28 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	2/12/2026	896	0.0%	431	12/31/2025
2025 Q3	11/13/2025	722	0.0%	432	9/30/2025
2025 Q2	8/5/2025	776	0.0%	432	6/30/2025
2025 Q1	5/13/2025	801	0.0%	416	3/31/2025
2024 Q4	2/13/2025	809	0.0%	416	12/31/2024
2024 Q3	11/13/2024	723	0.0%	425	9/30/2024
2024 Q2	8/14/2024	795	0.0%	429	6/30/2024
2024 Q1	5/13/2024	790	0.0%	429	3/31/2024
2023 Q4	2/8/2024	652	0.0%	430	12/31/2023
2023 Q3	11/1/2023	688	0.0%	430	9/30/2023
2023 Q2	8/2/2023	635	0.0%	448	6/30/2023
2023 Q1	6/13/2024	668	0.0%	434	3/31/2023
2022 Q4	2/1/2023	616	0.0%	430	12/31/2022
2022 Q3	11/10/2022	568	0.0%	412	9/30/2022
2022 Q2	8/11/2022	685	0.0%	535	6/30/2022
2022 Q1	5/12/2022	470	0.0%	425	3/31/2022
2021 Q4	2/11/2022	440	0.0%	433	12/31/2021
2021 Q3	11/12/2021	489	0.0%	439	9/30/2021
2021 Q2	8/12/2021	509	0.0%	442	6/30/2021
2021 Q1	5/13/2021	651	0.0%	565	3/31/2021
2020 Q4	2/12/2021	832	0.0%	786	12/31/2020
2020 Q3	11/12/2020	594	0.0%	706	9/30/2020
2020 Q2	8/12/2020	298	0.0%	355	6/30/2020
2020 Q1	5/13/2020	347	0.0%	364	3/31/2020
2019 Q4	2/10/2020	1,260	0.0%	1,130	12/31/2019
2014 Q1	5/15/2014	1,730	0.0%	2,884	3/31/2014
2013 Q4	1/8/2014	1,817	0.0%	3,013	12/31/2013
2013 Q3	1/8/2014	1,736	0.0%	3,059	9/30/2013