Company / Tangible Book Value per Share
WHITE MOUNTAINS INSURANCE GROUP LTD Tangible Book Value per Share History
FY2016-FY2025 · Annual data · Source: SEC filings
At a glance
Latest annual filing availableLatest Tangible Book Value per Share
$1873.45
FY2025
5-year range
$1097.93 / $1873.45
FY2021-FY2025
Trend
+18.6%
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 tangible book value per share. Tangible Book Value per Share has fluctuated over the past 10 years, ranging from $632.46 in FY2016 to $1873.45 in FY2025.
Based on SEC 10-K filings.
1873.45 in FY2025 with a 5-year CAGR of +12.0%. Ranks 3rd among 381 companies in Financials.
Improved from $1582.99 to $1873.45 over the past 2 years.
Financials sector context is included.
Tangible Book Value per Share over time
Growth rates
- 3-Year CAGR
- +16.6%
- 5-Year CAGR
- +12.0%
- 10-Year CAGR
- -
Sector benchmark
-79.7% below sector average
Key checks
Key Insights
- In FY2025, tangible book value per share increased 18.6% year-over-year.
- Ranks #3 out of 381 companies in the Financials sector.
- Lowest tangible book value per share in the period was in FY2016.
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 | Tangible Book Value per ShareValue | YoY GrowthYoY |
|---|---|---|
| FY2025 | $1873.45 | +18.6% |
| FY2024 | $1579.60 | -0.2% |
| FY2023 | $1582.99 | +33.8% |
| FY2022 | $1183.12 | +7.8% |
| FY2021 | $1097.93 | +3.5% |
| FY2020 | $1061.26 | +17.5% |
| FY2019 | $903.47 | +37.6% |
| FY2018 | $656.82 | -13.5% |
| FY2017 | $759.58 | +20.1% |
| FY2016 | $632.46 | -2.8% |
As of FY2025 · SEC 10-K · Updated Mar 28, 2026