White Mountains Insurance Group Ltd

FIDUCIARY MANAGEMENT INC /WI/ WTM

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/11/2026

Shares

90,333

Value ($000)

187,715

Weight

2.1%

2019 Q4 - 2025 Q4 (25 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	2/11/2026	187,715	2.1%	90,333	12/31/2025
2025 Q3	11/14/2025	157,763	1.6%	94,383	9/30/2025
2025 Q2	8/14/2025	128,354	1.2%	71,478	6/30/2025
2025 Q1	5/14/2025	138,264	1.3%	71,795	3/31/2025
2024 Q4	2/13/2025	95,530	0.9%	49,114	12/31/2024
2024 Q3	11/14/2024	83,657	0.7%	49,320	9/30/2024
2024 Q2	8/13/2024	89,702	0.8%	49,356	6/30/2024
2024 Q1	5/14/2024	69,969	0.6%	38,995	3/31/2024
2023 Q4	2/14/2024	57,157	0.5%	37,978	12/31/2023
2023 Q3	11/13/2023	55,124	0.6%	36,855	9/30/2023
2023 Q2	8/11/2023	50,690	0.5%	36,496	6/30/2023
2023 Q1	5/12/2023	47,419	0.5%	34,424	3/31/2023
2022 Q4	2/14/2023	49,780	0.5%	35,197	12/31/2022
2022 Q3	11/14/2022	46,863	0.5%	35,965	9/30/2022
2022 Q2	8/12/2022	45,193	0.4%	36,267	6/30/2022
2022 Q1	5/12/2022	40,782	0.3%	35,892	3/31/2022
2021 Q4	2/11/2022	35,925	0.3%	35,432	12/31/2021
2021 Q3	11/12/2021	38,552	0.3%	36,043	9/30/2021
2021 Q2	8/13/2021	40,466	0.3%	35,248	6/30/2021
2021 Q1	5/13/2021	40,384	0.3%	36,222	3/31/2021
2020 Q4	2/12/2021	41,145	0.3%	41,118	12/31/2020
2020 Q3	11/13/2020	49,413	0.4%	63,431	9/30/2020
2020 Q2	8/11/2020	91,293	0.8%	102,811	6/30/2020
2020 Q1	5/14/2020	101,824	0.9%	111,895	3/31/2020
2019 Q4	2/11/2020	128,151	0.8%	114,881	12/31/2019