WHITE MOUNTAINS INSURANCE GROUP LTD (WTM) - Dilution Analysis
Visualizing historical and potential share dilution over time
Dilution Analysis
Risk Assessment Details
Summary
WTM currently has 2.45M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 0.43% over the past 2 years.
Share Structure Timeline
Historical Data Points
| Date | Event | Outstanding | Supply |
|---|---|---|---|
| May 06, 2026 |
10-Q filing | 2.4M shares outstanding |
2.4M | 0 |
| Nov 06, 2025 |
10-Q filing | 2.5M shares outstanding |
2.5M | 0 |
| Aug 07, 2025 |
10-Q filing | 2.5M shares outstanding |
2.5M | 0 |
| May 07, 2025 |
10-Q filing | 2.5M shares outstanding |
2.5M | 0 |
| Feb 28, 2025 |
10-K filing | 2.5M shares outstanding |
2.5M | 0 |
| Nov 06, 2024 |
10-Q filing | 2.5M shares outstanding |
2.5M | 0 |
| Aug 07, 2024 |
10-Q filing | 2.5M shares outstanding |
2.5M | 0 |
| May 09, 2024 |
10-Q filing | 2.5M shares outstanding |
2.5M | 0 |
| Feb 26, 2024 |
10-K filing | 2.5M shares outstanding |
2.5M | 0 |
| Jan 03, 2024 |
8-K filing: White Mountains acquired approximately 72.8% of the issued and outstanding equity interests of Bamboo for $296.7 million in cash via a merger and primary investment. ($296.7M proceeds) |
2.5M | 0 |
| Nov 06, 2023 |
10-Q filing | 2.5M shares outstanding |
2.5M | 0 |
| Aug 07, 2023 |
10-Q filing | 2.5M shares outstanding |
2.5M | 0 |
| May 09, 2023 |
10-Q filing | 2.5M shares outstanding |
2.5M | 0 |
| Feb 27, 2023 |
10-K filing | 2.6M shares outstanding |
2.6M | 0 |
| Nov 07, 2022 |
10-Q filing | 2.6M shares outstanding |
2.6M | 0 |
| Aug 08, 2022 |
10-Q filing | 2.9M shares outstanding |
2.9M | 0 |
| May 06, 2022 |
10-Q filing | 3.0M shares outstanding |
3M | 0 |
| Feb 28, 2022 |
10-K filing | 3.0M shares outstanding |
3M | 0 |
| Nov 08, 2021 |
10-Q filing | 3.1M shares outstanding |
3.1M | 0 |
| Aug 06, 2021 |
10-Q filing | 3.1M shares outstanding |
3.1M | 0 |
| May 10, 2021 |
10-Q filing | 3.1M shares outstanding |
3.1M | 0 |
| Feb 26, 2021 |
10-K filing | 3.1M shares outstanding |
3.1M | 0 |
| Nov 06, 2020 |
10-Q filing | 3.1M shares outstanding |
3.1M | 0 |
| Aug 07, 2020 |
10-Q filing | 3.1M shares outstanding |
3.1M | 0 |
| May 08, 2020 |
10-Q filing | 3.1M shares outstanding |
3.1M | 0 |
| Mar 02, 2020 |
10-K filing | 3.1M shares outstanding |
3.1M | 0 |