White Mountains Insurance Group Ltd

AMERICAN CENTURY COMPANIES INC WTM

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

895

Value ($000)

1,860

Weight

0.0%

2019 Q4 - 2025 Q4 (23 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	1,860	0.0%	895	12/31/2025
2025 Q3	11/12/2025	3,748	0.0%	2,242	9/30/2025
2025 Q2	8/12/2025	11,430	0.0%	6,365	6/30/2025
2025 Q1	5/13/2025	13,550	0.0%	7,036	3/31/2025
2024 Q4	2/11/2025	10,455	0.0%	5,375	12/31/2024
2024 Q3	11/12/2024	9,305	0.0%	5,486	9/30/2024
2024 Q2	8/7/2024	26,722	0.0%	14,703	6/30/2024
2024 Q1	5/14/2024	37,305	0.0%	20,791	3/31/2024
2023 Q4	2/13/2024	22,354	0.0%	14,853	12/31/2023
2023 Q3	11/13/2023	13,638	0.0%	9,118	9/30/2023
2023 Q2	8/14/2023	10,207	0.0%	7,349	6/30/2023
2023 Q1	5/11/2023	8,200	0.0%	5,953	3/31/2023
2022 Q4	2/13/2023	8,468	0.0%	5,987	12/31/2022
2022 Q3	11/14/2022	7,922	0.0%	6,080	9/30/2022
2022 Q2	8/12/2022	7,802	0.0%	6,261	6/30/2022
2022 Q1	5/11/2022	7,798	0.0%	6,863	3/31/2022
2021 Q4	2/7/2022	6,308	0.0%	6,222	12/31/2021
2021 Q3	11/10/2021	4,734	0.0%	4,426	9/30/2021
2021 Q2	8/5/2021	3,792	0.0%	3,303	6/30/2021
2021 Q1	5/14/2021	1,325	0.0%	1,188	3/31/2021
2020 Q2	8/13/2020	5,745	0.0%	6,470	6/30/2020
2020 Q1	5/14/2020	18,222	0.0%	20,024	3/31/2020
2019 Q4	2/12/2020	23,747	0.0%	21,288	12/31/2019