White Mountains Insurance Group Ltd

STATE OF WISCONSIN INVESTMENT BOARD WTM

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

138

Value ($000)

287

Weight

0.0%

2013 Q4 - 2025 Q4 (27 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	2/17/2026	287	0.0%	138	12/31/2025
2025 Q3	11/14/2025	416	0.0%	249	9/30/2025
2025 Q2	8/14/2025	435	0.0%	242	6/30/2025
2025 Q1	5/15/2025	506	0.0%	263	3/31/2025
2024 Q4	2/14/2025	683	0.0%	351	12/31/2024
2024 Q3	11/14/2024	541	0.0%	319	9/30/2024
2024 Q2	8/14/2024	602	0.0%	331	6/30/2024
2024 Q1	5/14/2024	565	0.0%	315	3/31/2024
2023 Q4	2/12/2024	534	0.0%	355	12/31/2023
2023 Q3	11/14/2023	594	0.0%	397	9/30/2023
2023 Q2	8/14/2023	281	0.0%	202	6/30/2023
2023 Q1	5/15/2023	445	0.0%	323	3/31/2023
2022 Q4	2/14/2023	451	0.0%	319	12/31/2022
2022 Q3	11/14/2022	620	0.0%	476	9/30/2022
2022 Q2	8/15/2022	938	0.0%	753	6/30/2022
2022 Q1	5/13/2022	243	0.0%	214	3/31/2022
2021 Q4	2/11/2022	364	0.0%	359	12/31/2021
2021 Q3	11/12/2021	404	0.0%	378	9/30/2021
2021 Q2	8/12/2021	413	0.0%	360	6/30/2021
2021 Q1	5/17/2021	426	0.0%	382	3/31/2021
2020 Q4	2/3/2021	387	0.0%	387	12/31/2020
2020 Q3	11/16/2020	301	0.0%	387	9/30/2020
2020 Q2	8/12/2020	344	0.0%	387	6/30/2020
2020 Q1	5/6/2020	379	0.0%	417	3/31/2020
2019 Q4	2/14/2020	487	0.0%	437	12/31/2019
2014 Q1	5/14/2014	2,664	0.0%	4,440	3/31/2014
2013 Q4	2/12/2014	2,714	0.0%	4,500	12/31/2013