White Mountains Insurance Group Ltd (WTM) — Tangible Net Worth Ratio
White Mountains Insurance Group Ltd (WTM) has a Tangible Net Worth Ratio of 74.4% as of March 2026. This metric is calculated by deducting intangible assets ($396.40 Million) from net assets ($1.55 Billion) and expressing it as a percentage of total net assets. A higher ratio means that more of the company's equity is backed by tangible, balance-sheet-verifiable assets rather than goodwill, patents, or brand value. See White Mountains Insurance Group Ltd working capital to net assets to evaluate short-term liquidity relative to the company's equity base.
Tangible NW Ratio
Net Assets (Equity)
Intangible Assets
Total Assets
White Mountains Insurance Group Ltd Tangible Net Worth Ratio (1985–2025)
This chart shows how White Mountains Insurance Group Ltd's Tangible Net Worth Ratio has changed across 40 annual periods from 1985 to 2025. As of March 2026, the ratio stands at 74.4%, reflecting net assets of $1.55 Billion with intangible assets of $396.40 Million USD. See WTM days of operational coverage to measure how many days the company can operate on defensive assets alone.
Annual Tangible Net Worth Ratio for White Mountains Insurance Group Ltd (1985–2025)
The table below presents the year-by-year Tangible Net Worth Ratio for White Mountains Insurance Group Ltd from 1985 to 2025, covering 40 annual filings. Each row shows net assets, intangible assets, total assets, the tangible net worth ratio, and the change in percentage points versus the prior year. For the full company profile including market capitalisation, see White Mountains Insurance Group Ltd (WTM) total market value.
| Year | Tangible NW Ratio | Net Assets (USD) | Intangible Assets | Total Assets | Change (pp) |
|---|---|---|---|---|---|
| 2025 | 78.8% | $6.26 Billion | $1.33 Billion | $12.31 Billion | ▼ -15.8 pp |
| 2024 | 94.5% | $5.13 Billion | $281.10 Million | $9.93 Billion | ▼ -1.1 pp |
| 2023 | 95.6% | $4.56 Billion | $201.80 Million | $8.39 Billion | ▲ +5.5 pp |
| 2022 | 90.0% | $3.94 Billion | $392.40 Million | $7.39 Billion | ▼ -0.8 pp |
| 2021 | 90.8% | $3.70 Billion | $340.50 Million | $7.00 Billion | ▲ +11.3 pp |
| 2020 | 79.5% | $3.82 Billion | $782.40 Million | $4.83 Billion | ▼ -12.2 pp |
| 2019 | 91.7% | $3.14 Billion | $260.00 Million | $3.98 Billion | ▼ -2.5 pp |
| 2018 | 94.2% | $2.72 Billion | $157.60 Million | $3.36 Billion | ▼ -4.7 pp |
| 2017 | 98.9% | $3.36 Billion | $36.20 Million | $3.66 Billion | ▼ -0.4 pp |
| 2016 | 99.4% | $3.74 Billion | $24.20 Million | $6.54 Billion | ▲ +3.7 pp |
| 2015 | 95.7% | $4.37 Billion | $187.80 Million | $10.28 Billion | ▲ +0.1 pp |
| 2014 | 95.6% | $4.54 Billion | $197.50 Million | $10.46 Billion | ▲ +0.1 pp |
| 2013 | 95.6% | $4.40 Billion | $195.40 Million | $12.14 Billion | ▲ +0.1 pp |
| 2012 | 95.4% | $4.26 Billion | $195.30 Million | $12.90 Billion | ▼ -4.1 pp |
| 2011 | 99.5% | $4.67 Billion | $22.80 Million | $14.06 Billion | ▲ +0.8 pp |
| 2010 | 98.7% | $4.26 Billion | $56.00 Million | $14.53 Billion | ▼ 0.0 pp |
| 2009 | 98.7% | $4.34 Billion | $55.40 Million | $15.44 Billion | ▼ -0.7 pp |
| 2008 | 99.4% | $3.50 Billion | $19.50 Million | $15.90 Billion | ▲ +0.2 pp |
| 2007 | 99.3% | $5.58 Billion | $40.40 Million | $19.11 Billion | ▲ +0.1 pp |
| 2006 | 99.1% | $5.06 Billion | $43.90 Million | $19.44 Billion | ▲ +0.4 pp |
| 2005 | 98.7% | $3.83 Billion | $48.70 Million | $19.42 Billion | ▼ -1.3 pp |
| 2004 | 100.0% | $3.88 Billion | $0.00 | $19.02 Billion | ▲ +0.0 pp |
| 2003 | 100.0% | $2.98 Billion | $0.00 | $15.88 Billion | ▲ +0.0 pp |
| 2002 | 100.0% | $2.81 Billion | $0.00 | $16.03 Billion | ▲ +2.4 pp |
| 2000 | 97.6% | $1.05 Billion | $25.40 Million | $3.55 Billion | ▼ -2.4 pp |
| 1999 | 100.0% | $614.00 Million | $0.00 | $2.05 Billion | ▲ +24.2 pp |
| 1998 | 75.8% | $702.50 Million | $170.00 Million | $2.16 Billion | ▲ +1.6 pp |
| 1997 | 74.2% | $702.90 Million | $181.00 Million | $2.01 Billion | ▲ +30.5 pp |
| 1996 | 43.8% | $731.00 Million | $411.00 Million | $1.98 Billion | ▼ -2.8 pp |
| 1995 | 46.6% | $743.70 Million | $397.00 Million | $1.87 Billion | ▼ -53.4 pp |
| 1994 | 100.0% | $761.10 Million | $0.00 | $1.81 Billion | ▲ +0.0 pp |
| 1993 | 100.0% | $905.00 Million | $0.00 | $3.31 Billion | ▲ +0.0 pp |
| 1992 | 100.0% | $988.30 Million | $0.00 | $3.13 Billion | ▲ +0.0 pp |
| 1991 | 100.0% | $1.50 Billion | $0.00 | $2.96 Billion | ▲ +0.0 pp |
| 1990 | 100.0% | $1.59 Billion | $0.00 | $12.43 Billion | ▲ +0.0 pp |
| 1989 | 100.0% | $1.94 Billion | $0.00 | $11.72 Billion | ▲ +0.0 pp |
| 1988 | 100.0% | $1.54 Billion | $0.00 | $11.19 Billion | ▲ +0.0 pp |
| 1987 | 100.0% | $1.51 Billion | $0.00 | $9.60 Billion | ▲ +0.0 pp |
| 1986 | 100.0% | $1.56 Billion | $0.00 | $9.18 Billion | ▲ +0.0 pp |
| 1985 | 100.0% | $1.34 Billion | $0.00 | $7.99 Billion | — |