White Mountains Insurance Group Ltd

NORTHERN TRUST CORP WTM

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

16,667

Value ($000)

34,635

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	34,635	0.0%	16,667	12/31/2025
2025 Q3	11/14/2025	29,681	0.0%	17,757	9/30/2025
2025 Q2	8/13/2025	31,255	0.0%	17,405	6/30/2025
2025 Q1	5/13/2025	35,092	0.0%	18,222	3/31/2025
2024 Q4	2/14/2025	35,149	0.0%	18,071	12/31/2024
2024 Q3	11/13/2024	27,333	0.0%	16,114	9/30/2024
2024 Q2	8/14/2024	28,974	0.0%	15,942	6/30/2024
2024 Q1	5/14/2024	26,190	0.0%	14,596	3/31/2024
2023 Q4	2/13/2024	22,753	0.0%	15,118	12/31/2023
2023 Q3	11/13/2023	23,511	0.0%	15,719	9/30/2023
2023 Q2	8/11/2023	21,403	0.0%	15,410	6/30/2023
2023 Q1	5/15/2023	20,829	0.0%	15,121	3/31/2023
2022 Q4	2/13/2023	21,096	0.0%	14,916	12/31/2022
2022 Q3	11/14/2022	19,134	0.0%	14,685	9/30/2022
2022 Q2	8/12/2022	19,795	0.0%	15,886	6/30/2022
2022 Q1	5/13/2022	17,680	0.0%	15,560	3/31/2022
2021 Q4	2/8/2022	21,713	0.0%	21,416	12/31/2021
2021 Q3	11/15/2021	23,057	0.0%	21,557	9/30/2021
2021 Q2	8/13/2021	31,667	0.0%	27,583	6/30/2021
2021 Q1	5/12/2021	30,680	0.0%	27,519	3/31/2021
2020 Q4	2/11/2021	39,182	0.0%	39,156	12/31/2020
2020 Q3	11/16/2020	30,136	0.0%	38,686	9/30/2020
2020 Q2	8/14/2020	31,152	0.0%	35,082	6/30/2020
2020 Q1	5/14/2020	38,278	0.0%	42,063	3/31/2020
2019 Q4	2/14/2020	46,530	0.0%	41,712	12/31/2019
2014 Q1	5/14/2014	15,144	0.0%	25,245	3/31/2014
2013 Q4	2/21/2014	16,083	0.0%	26,668	12/31/2013