WTM
White Mountains Insurance Group, Ltd.
Stock
$2,020.92+7.88 (+0.39%)Close Oct 2, 2026
- Shares outstanding, 2025
- 2.5M
- YoY, 2025
- −3.7%
- 10-year CAGR
- −7.8%
Shares outstanding
Shares outstanding by fiscal year
| Period | Shares outstanding | YoY |
|---|---|---|
| 2025 | 2.5M | −3.7% |
| 2024 | 2.6M | +0.3% |
| 2023 | 2.6M | −0.5% |
| 2022 | 2.6M | −14.4% |
| 2021 | 3.0M | — |
| 2018 | 3.2M | −15.4% |
| 2017 | 3.7M | −17.9% |
| 2016 | 4.6M | −17.9% |
| 2015 | 5.6M | −7.3% |
| 2014 | 6.0M | −3.0% |
| 2013 | 6.2M | −2.2% |
| 2012 | 6.3M | −15.3% |
| 2011 | 7.5M | −7.1% |
| 2010 | 8.0M | — |