White Mountains Insurance Group Ltd

RHUMBLINE ADVISERS WTM

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

4,165

Value ($000)

8,655

Weight

0.0%

2013 Q4 - 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	2/13/2026	8,655	0.0%	4,165	12/31/2025
2025 Q3	11/6/2025	7,074	0.0%	4,232	9/30/2025
2025 Q2	8/12/2025	7,686	0.0%	4,280	6/30/2025
2025 Q1	5/29/2025	8,612	0.0%	4,472	3/31/2025
2024 Q4	5/29/2025	8,848	0.0%	4,549	12/31/2024
2024 Q3	11/12/2024	7,689	0.0%	4,533	9/30/2024
2024 Q2	8/1/2024	8,264	0.0%	4,547	6/30/2024
2024 Q1	5/9/2024	8,654	0.0%	4,823	3/31/2024
2023 Q4	2/8/2024	7,784	0.0%	5,172	12/31/2023
2023 Q3	11/9/2023	6,883	0.0%	4,602	9/30/2023
2023 Q2	8/8/2023	6,463	0.0%	4,653	6/30/2023
2023 Q1	5/11/2023	6,050	0.0%	4,392	3/31/2023
2022 Q4	2/14/2023	6,349	0.0%	4,489	12/31/2022
2022 Q3	11/10/2022	5,982	0.0%	4,591	9/30/2022
2022 Q2	8/11/2022	5,618	0.0%	4,508	6/30/2022
2022 Q1	5/12/2022	5,381	0.0%	4,736	3/31/2022
2021 Q4	2/10/2022	5,030	0.0%	4,961	12/31/2021
2021 Q3	11/12/2021	5,264	0.0%	4,921	9/30/2021
2021 Q2	8/5/2021	5,313	0.0%	4,628	6/30/2021
2021 Q1	5/6/2021	5,282	0.0%	4,738	3/31/2021
2020 Q4	2/10/2021	4,832	0.0%	4,829	12/31/2020
2020 Q3	11/12/2020	3,692	0.0%	4,739	9/30/2020
2020 Q2	8/13/2020	4,398	0.0%	4,953	6/30/2020
2020 Q1	5/6/2020	4,539	0.0%	4,988	3/31/2020
2019 Q4	2/5/2020	5,006	0.0%	4,488	12/31/2019
2014 Q2	8/6/2014	2,514	0.0%	4,132	6/30/2014
2014 Q1	5/6/2014	2,502	0.0%	4,171	3/31/2014
2013 Q4	2/3/2014	2,584	0.0%	4,284	12/31/2013