White Mountains Insurance (WTM) Net Margin (2009 - 2026)
White Mountains Insurance (WTM) posted Net Margin of 23.62% for Q2 2026, up 5.79 percentage points from 17.83% a year earlier and up 28.87 percentage points from the prior quarter.
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Analysis
White Mountains Insurance (WTM) Net Margin (2009 - 2026) Analysis & Trends
For the trailing twelve months through Jun 30, 2026, Net Margin at White Mountains Insurance was 29.29%, up 20.95 percentage points year-over-year; for FY2025, it came in at 29.62%, up 19.34 percentage points from FY2024.
- Annual Net Margin shows a five-year change of -49.51 percentage points (FY2020 to FY2025).
- In prior years, White Mountains Insurance's Net Margin was 10.29% in FY2024 (-13.21 pp), 23.50% in FY2023 (-44.97 pp), 68.47% in FY2022 (+109.93 pp) and -41.46% in FY2021 (-120.59 pp).
- Quarterly Net Margin has run from a low of -168.74% in Q3 2021 to a high of 231.78% in Q3 2022 over five years.
- On a year-over-year basis, Net Margin increased in four of the last eight quarters, with an average year-over-year change of +2.19 percentage points.
- The strongest year-over-year quarter for Net Margin in the past five years was Q3 2022, with a gain of 400.53 percentage points; the weakest was Q3 2023, with a drop of 227.24 percentage points.
- According to Business Quant data, Net Margin for the three prior quarters was -5.25% (Q1 2026), 52.11% (Q4 2025) and 13.17% (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Net Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Berkshire Hathaway | 1,083.69 Bn | -333.79 Bn | 55.86 Bn | 25.21% |
| 2 | Chubb | 127.81 Bn | 79.86 Bn | 9.13 Bn | 18.05% |
| 3 | Progressive | 121.79 Bn | 97.63 Bn | 9.04 Bn | 14.02% |
| 4 | Marsh & Mclennan Companies | 80.80 Bn | 72.54 Bn | - | 17.10% |
| 5 | Travelers Companies | 75.76 Bn | 52.01 Bn | 6.23 Bn | 18.17% |
| 6 | Manulife Financial | 74.06 Bn | 75.27 Bn | - | 10.52% |
| 7 | Metlife | 61.12 Bn | -45.36 Bn | 7.82 Bn | 3.68% |
| 8 | Arthur J. Gallagher | 58.82 Bn | 53.25 Bn | - | 8.09% |
| 9 | Allstate | 57.81 Bn | 19.06 Bn | 8.73 Bn | 17.43% |
| 10 | White Mountains Insurance | 4.81 Bn | -5.87 Bn | 764.50 Mn | 23.62% |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 23.62% |
| Mar 31, 2026 | -5.25% |
| Dec 31, 2025 | 52.11% |
| Sep 30, 2025 | 13.17% |
| Jun 30, 2025 | 17.83% |
| Mar 31, 2025 | 5.87% |
| Dec 31, 2024 | -36.42% |
| Sep 30, 2024 | 21.33% |
| Jun 30, 2024 | -13.81% |
| Mar 31, 2024 | 36.52% |
| Dec 31, 2023 | 38.88% |
| Sep 30, 2023 | 4.54% |
| Jun 30, 2023 | 5.18% |
| Mar 31, 2023 | 33.75% |
| Dec 31, 2022 | 10.80% |
| Sep 30, 2022 | 231.78% |
| Jun 30, 2022 | -74.28% |
| Mar 31, 2022 | 12.83% |
| Dec 31, 2021 | 15.71% |
| Sep 30, 2021 | -168.74% |
API Access
White Mountains Insurance Net Margin API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=net-margin&ticker=WTM&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "net-margin", "ticker": "WTM", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=net-margin&ticker=WTM&period=max&api_key=YOUR_API_KEY");
const data = await res.json();