Company / Book Value per Share
WHITE MOUNTAINS INSURANCE GROUP LTD Book Value per Share History
FY2016-FY2025 · Annual data · Source: SEC filings
At a glance
Latest annual filing availableLatest Book Value per Share
$2.1K
FY2025
5-year range
$1.1K / $2.1K
FY2021-FY2025
Trend
+20.6%
vs FY2024
Sector context
#3 of 381
Financials
What the data says
Among 381 Financials companies, WHITE MOUNTAINS INSURANCE GROUP LTD is in the top 1% for book value per share. Book Value per Share has increased for 4 consecutive years, from $1,143.806 in FY2021 to $2,112.573 in FY2025.
Based on SEC 10-K filings.
$2,112.573 in FY2025 with a 5-year CAGR of +11.5%. Ranks 3rd among 381 companies in Financials.
Improved from $1,648.617 to $2,112.573 over the past 2 years.
Financials sector context is included.
Book Value per Share over time
Growth rates
- 3-Year CAGR
- +19.4%
- 5-Year CAGR
- +11.5%
- 10-Year CAGR
- -
Sector benchmark
-77.1% below sector average
Key checks
Key Insights
- WHITE MOUNTAINS INSURANCE GROUP LTD's book value per share has grown for 4 consecutive years.
- 5-year CAGR of +11.5%, indicating consistent growth.
- In FY2025, book value per share increased 20.6% year-over-year.
- Ranks #3 out of 381 companies in the Financials sector.
Company context
Key Data Points
- Altman Z-Score 0.97 (distress zone, below 1.8 threshold)
- Low earnings quality (accrual-heavy earnings)
Data sourced from SEC EDGAR filings. Not investment advice.
Annual data
| Year | Book Value per ShareValue | YoY GrowthYoY |
|---|---|---|
| FY2025 | $2.1K | +20.6% |
| FY2024 | $1.8K | +6.2% |
| FY2023 | $1.6K | +32.8% |
| FY2022 | $1.2K | +8.6% |
| FY2021 | $1.1K | -6.7% |
| FY2020 | $1.2K | +19.3% |
| FY2019 | $1.0K | +35.6% |
| FY2018 | $758.125 | -0.9% |
| FY2017 | $765.259 | +20.1% |
| FY2016 | $637.068 | -2.5% |
As of FY2025 · SEC 10-K · Updated Mar 28, 2026