NYSE:WTM | Market Cap | WHITE MOUNTAINS INSURANCE GROUP LTD

Historical market capitalization from contemporaneous retained split-adjusted close and filed split-adjusted shares outstanding.

Available history
2009-12-31 to 2026-09-03
Data captured

Historical Market Cap

DateMarket Cap
2026-09-03$5.05B
2026-08-03$5.02B
2026-06-30$4.95B
2026-05-01$5.36B
2026-03-31$5.44B
2026-02-23$5.4B
2025-12-31$5.15B
2025-11-03$4.85B
2025-09-30$4.3B
2025-08-01$4.57B
2025-06-30$4.62B
2025-05-02$4.6B
2025-03-31$4.96B
2025-02-24$4.66B
2024-12-31$5B
2024-11-01$4.64B
2024-09-30$4.36B
2024-08-02$4.63B
2024-06-30$4.67B
2024-05-06$4.76B
2024-03-31$4.6B
2024-02-21$4.54B
2023-12-31$3.85B
2023-11-02$3.76B
2023-09-30$3.83B
2023-08-03$4.05B
2023-06-30$3.56B
2023-05-05$3.69B
2023-03-31$3.53B
2023-02-21$3.85B
2022-12-31$3.64B
2022-11-03$3.51B
2022-09-30$3.36B
2022-08-04$3.59B
2022-06-30$3.67B
2022-05-05$3.13B
2022-03-31$3.4B
2022-02-23$3.1B
2021-12-31$3.06B
2021-11-05$3.27B
2021-09-30$3.24B
2021-08-04$3.47B
2021-06-30$3.57B
2021-05-07$3.84B
2021-03-31$3.46B
2021-02-24$3.73B
2020-12-31$3.1B
2020-11-05$2.9B
2020-09-30$2.42B
2020-08-05$2.75B
2020-05-06$2.77B
2020-03-31$2.82B
2020-02-28$3.16B
2019-12-31$3.55B
2019-11-05$3.45B
2019-09-30$3.44B
2019-08-05$3.39B
2019-06-30$3.25B
2019-05-02$2.94B
2019-03-31$2.94B
2019-02-25$2.93B
2018-12-31$2.72B
2018-11-02$2.79B
2018-09-30$2.98B
2018-08-06$2.97B
2018-06-30$2.88B
2018-05-01$3.26B
2018-03-31$3.09B
2018-02-26$3.03B
2017-12-31$3.19B
2017-11-07$3.29B
2017-09-30$3.21B
2017-08-02$3.7B
2017-06-30$3.97B
2017-04-28$3.93B
2017-03-31$4.02B
2017-02-24$4.28B
2016-12-31$3.82B
2016-10-31$3.79B
2016-09-30$3.8B
2016-07-31$4.05B
2016-06-30$4.18B
2016-05-02$4.22B
2016-03-31$4.35B
2016-02-25$4.24B
2015-12-31$4.09B
2015-11-02$4.49B
2015-09-30$4.29B
2015-08-03$4.26B
2015-06-30$3.9B
2015-05-04$4.05B
2015-03-31$4.1B
2015-02-27$4B
2014-12-31$3.77B
2014-10-29$3.73B
2014-09-30$3.8B
2014-07-29$3.76B
2014-06-30$3.74B
2014-04-28$3.63B
2014-03-31$3.7B

Research interface only. Not investment advice. Prices are a checked-in snapshot, not live quotes.