White Mountains Insurance Group Ltd

M&T BANK CORP WTM

Report date

12/31/2025

Quarter

2025 Q4

Filed

1/30/2026

Shares

166

Value ($000)

345

Weight

0.0%

2013 Q4 - 2025 Q4 (24 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	1/30/2026	345	0.0%	166	12/31/2025
2025 Q2	8/13/2025	224	0.0%	125	6/30/2025
2025 Q1	4/30/2025	272	0.0%	141	3/31/2025
2024 Q4	2/6/2025	272	0.0%	140	12/31/2024
2024 Q3	11/19/2024	219	0.0%	129	9/30/2024
2024 Q2	7/31/2024	242	0.0%	133	6/30/2024
2024 Q1	5/7/2024	217	0.0%	121	3/31/2024
2023 Q2	8/9/2023	281	0.0%	202	6/30/2023
2023 Q1	5/11/2023	289	0.0%	210	3/31/2023
2022 Q4	2/13/2023	307	0.0%	217	12/31/2022
2022 Q3	11/17/2022	712	0.0%	546	9/30/2022
2022 Q2	8/5/2022	524	0.0%	434	6/30/2022
2022 Q1	5/9/2022	522	0.0%	460	3/31/2022
2021 Q4	2/7/2022	401	0.0%	396	12/31/2021
2021 Q3	10/28/2021	396	0.0%	371	9/30/2021
2021 Q2	8/13/2021	444	0.0%	387	6/30/2021
2021 Q1	5/6/2021	448	0.0%	402	3/31/2021
2020 Q4	2/12/2021	622	0.0%	622	12/31/2020
2020 Q3	11/6/2020	524	0.0%	673	9/30/2020
2020 Q2	7/29/2020	624	0.0%	703	6/30/2020
2020 Q1	5/14/2020	648	0.0%	712	3/31/2020
2019 Q4	2/7/2020	766	0.0%	688	12/31/2019
2014 Q1	5/14/2014	2,312	0.1%	3,853	3/31/2014
2013 Q4	2/12/2014	2,296	0.1%	3,808	12/31/2013