NYSE:WTM | Shares Outstanding | WHITE MOUNTAINS INSURANCE GROUP LTD

Complete source-backed shares outstanding history.

Available history
2009-12-31 to 2026-08-03
Data captured

Historical Shares Outstanding

DateShares outstanding
2026-08-032,386,721
2026-06-302,386,721
2026-05-012,476,670
2026-03-312,476,670
2026-02-232,467,055
2025-12-312,479,677
2025-11-032,553,106
2025-09-302,575,161
2025-08-012,575,161
2025-06-302,575,136
2025-05-022,573,726
2025-03-312,573,726
2025-02-242,563,051
2024-12-312,568,148
2024-11-012,568,148
2024-09-302,568,148
2024-08-022,568,283
2024-06-302,568,283
2024-05-062,565,733
2024-03-312,565,733
2024-02-212,555,183
2023-12-312,560,452
2023-11-022,560,452
2023-09-302,560,452
2023-08-032,560,452
2023-06-302,560,452
2023-05-052,563,384
2023-03-312,564,484
2023-02-212,567,527
2022-12-312,572,156
2022-11-032,576,232
2022-09-302,576,232
2022-08-042,906,994
2022-06-302,942,877
2022-05-052,981,704
2022-03-312,994,162
2022-02-233,000,849
2021-12-313,017,772
2021-11-053,017,772
2021-09-303,029,620
2021-08-043,106,130
2021-06-303,109,182
2021-05-073,107,267
2021-03-313,107,267
2021-02-243,095,829
2020-12-313,102,011
2020-11-053,102,011
2020-09-303,102,011
2020-08-053,101,761
2020-05-063,105,038
2020-03-313,101,761
2020-02-283,193,509
2019-12-313,185,353
2019-11-053,185,353
2019-09-303,185,353
2019-08-053,185,353
2019-06-303,185,353
2019-05-023,181,199
2019-03-313,181,199
2019-02-253,167,436
2018-12-313,173,115
2018-11-023,180,540
2018-09-303,180,540
2018-08-063,180,358
2018-06-303,180,358
2018-05-013,753,405
2018-03-313,753,405
2018-02-263,742,408
2017-12-313,750,171
2017-11-073,749,971
2017-09-303,749,971
2017-08-024,336,625
2017-06-304,571,625
2017-04-284,572,792
2017-03-314,572,792
2017-02-244,561,057
2016-12-314,563,814
2016-10-314,565,240
2016-09-304,578,698
2016-07-314,930,938
2016-06-304,963,921
2016-05-025,064,039
2016-03-315,415,462
2016-02-255,553,407
2015-12-315,623,735
2015-11-025,686,165
2015-09-305,745,002
2015-08-035,960,542
2015-06-305,960,542
2015-05-045,991,584
2015-03-315,991,584
2015-02-275,991,549
2014-12-315,986,214
2014-10-296,004,776
2014-09-306,028,251
2014-07-296,140,701
2014-06-306,150,515
2014-04-286,174,386
2014-03-316,174,386
2014-02-286,179,986

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