White Mountains Insurance Group Ltd Net Asset Quality Index
White Mountains Insurance Group Ltd net asset quality index. White Mountains Insurance Group Ltd (WTM) has a Net Asset Quality Index of 18.5% as of March 2026. This metric measures the proportion of total assets financed by shareholders' equity — total assets of $7.13 Billion minus total liabilities of $5.81 Billion yields net assets of $1.32 Billion. A higher index indicates a stronger, lower-leverage balance sheet. See White Mountains Insurance Group Ltd (WTM) shareholders funds for net asset value and shareholders' equity analysis.
Quality Index
Net Assets
Total Assets
Total Liabilities
Net Asset Quality Index of White Mountains Insurance Group Ltd (1985–2025)
Net asset quality index of White Mountains Insurance Group Ltd from 1985 to 2025. This chart shows how White Mountains Insurance Group Ltd's Net Asset Quality Index has evolved across 41 annual periods from 1985 to 2025. As of March 2026, the index stands at 18.5%, representing net assets of $1.32 Billion against total assets of $7.13 Billion USD. Check strategic asset allocation of White Mountains Insurance Group Ltd to assess the company's strategic physical and investment asset allocation.
White Mountains Insurance Group Ltd Net Asset Quality Index by Year (1985–2025)
White Mountains Insurance Group Ltd net asset quality index by year from 1985 to 2025. The table below presents the year-by-year Net Asset Quality Index for White Mountains Insurance Group Ltd from 1985 to 2025, covering 41 annual filings. Each row shows total assets, total liabilities, net assets, the quality index percentage, and the change in percentage points compared to the prior year. For live market cap and overall valuation, see WTM stock market capitalisation.
| Year | Quality Index | Net Assets (USD) | Total Assets | Total Liabilities | Change (pp) |
|---|---|---|---|---|---|
| 2025 | 50.8% | $6.26 Billion | $12.31 Billion | $6.05 Billion | ▼ -0.9 pp |
| 2024 | 51.7% | $5.13 Billion | $9.93 Billion | $4.79 Billion | ▼ -2.7 pp |
| 2023 | 54.4% | $4.56 Billion | $8.39 Billion | $3.82 Billion | ▲ +1.1 pp |
| 2022 | 53.3% | $3.94 Billion | $7.39 Billion | $3.45 Billion | ▲ +0.3 pp |
| 2021 | 52.9% | $3.70 Billion | $7.00 Billion | $3.30 Billion | ▼ -26.1 pp |
| 2020 | 79.0% | $3.82 Billion | $4.83 Billion | $1.01 Billion | ▲ +0.1 pp |
| 2019 | 78.9% | $3.14 Billion | $3.98 Billion | $838.50 Million | ▼ -1.9 pp |
| 2018 | 80.8% | $2.72 Billion | $3.36 Billion | $644.40 Million | ▼ -11.0 pp |
| 2017 | 91.8% | $3.36 Billion | $3.66 Billion | $298.40 Million | ▲ +34.7 pp |
| 2016 | 57.1% | $3.74 Billion | $6.54 Billion | $2.81 Billion | ▲ +14.6 pp |
| 2015 | 42.5% | $4.37 Billion | $10.28 Billion | $5.92 Billion | ▼ -0.9 pp |
| 2014 | 43.4% | $4.54 Billion | $10.46 Billion | $5.92 Billion | ▲ +7.2 pp |
| 2013 | 36.2% | $4.40 Billion | $12.14 Billion | $7.75 Billion | ▲ +3.2 pp |
| 2012 | 33.0% | $4.26 Billion | $12.90 Billion | $8.64 Billion | ▼ -0.2 pp |
| 2011 | 33.2% | $4.67 Billion | $14.06 Billion | $9.40 Billion | ▲ +3.9 pp |
| 2010 | 29.3% | $4.26 Billion | $14.53 Billion | $10.27 Billion | ▲ +1.2 pp |
| 2009 | 28.1% | $4.34 Billion | $15.44 Billion | $11.10 Billion | ▲ +6.1 pp |
| 2008 | 22.0% | $3.50 Billion | $15.90 Billion | $12.40 Billion | ▼ -7.2 pp |
| 2007 | 29.2% | $5.58 Billion | $19.11 Billion | $13.52 Billion | ▲ +3.2 pp |
| 2006 | 26.0% | $5.06 Billion | $19.44 Billion | $14.39 Billion | ▲ +6.3 pp |
| 2005 | 19.7% | $3.83 Billion | $19.42 Billion | $15.58 Billion | ▼ -0.7 pp |
| 2004 | 20.4% | $3.88 Billion | $19.02 Billion | $15.13 Billion | ▲ +1.7 pp |
| 2003 | 18.8% | $2.98 Billion | $15.88 Billion | $12.90 Billion | ▲ +1.2 pp |
| 2002 | 17.5% | $2.81 Billion | $16.03 Billion | $13.23 Billion | ▲ +19.3 pp |
| 2001 | -1.8% | $-301.90 Million | $16.49 Billion | $16.79 Billion | ▼ -31.3 pp |
| 2000 | 29.5% | $1.05 Billion | $3.55 Billion | $2.50 Billion | ▼ -0.5 pp |
| 1999 | 30.0% | $614.00 Million | $2.05 Billion | $1.44 Billion | ▼ -2.5 pp |
| 1998 | 32.5% | $702.50 Million | $2.16 Billion | $1.46 Billion | ▼ -2.5 pp |
| 1997 | 35.0% | $702.90 Million | $2.01 Billion | $1.31 Billion | ▼ -1.9 pp |
| 1996 | 36.9% | $731.00 Million | $1.98 Billion | $1.25 Billion | ▼ -2.8 pp |
| 1995 | 39.7% | $743.70 Million | $1.87 Billion | $1.13 Billion | ▼ -2.4 pp |
| 1994 | 42.1% | $761.10 Million | $1.81 Billion | $1.05 Billion | ▲ +14.7 pp |
| 1993 | 27.4% | $905.00 Million | $3.31 Billion | $2.40 Billion | ▼ -4.2 pp |
| 1992 | 31.6% | $988.30 Million | $3.13 Billion | $2.14 Billion | ▼ -18.9 pp |
| 1991 | 50.5% | $1.50 Billion | $2.96 Billion | $1.47 Billion | ▲ +37.7 pp |
| 1990 | 12.8% | $1.59 Billion | $12.43 Billion | $10.84 Billion | ▼ -3.7 pp |
| 1989 | 16.5% | $1.94 Billion | $11.72 Billion | $9.79 Billion | ▲ +2.8 pp |
| 1988 | 13.7% | $1.54 Billion | $11.19 Billion | $9.65 Billion | ▼ -2.0 pp |
| 1987 | 15.7% | $1.51 Billion | $9.60 Billion | $8.09 Billion | ▼ -1.3 pp |
| 1986 | 17.0% | $1.56 Billion | $9.18 Billion | $7.62 Billion | ▲ +0.2 pp |
| 1985 | 16.8% | $1.34 Billion | $7.99 Billion | $6.64 Billion | — |