White Mountains Insurance (WTM) Assets (2009 - 2026)
White Mountains Insurance (WTM) recorded Assets of $13.77 billion in Q2 2026, up 16.4% from $11.82 billion a year earlier and up 4.5% from the prior quarter.
White Mountains Insurance (WTM) Assets (2009 - 2026) Analysis & Trends
At the end of FY2025, White Mountains Insurance reported Assets of $12.31 billion, up 24.0% from FY2024.
- Annual Assets has increased for seven straight years, with a five-year compound annual growth rate of 20.6% (FY2020 to FY2025).
- Across earlier years, Assets came in at $9.93 billion in FY2024 (+18.4%), $8.39 billion in FY2023 (+13.5%), $7.39 billion in FY2022 (+5.6%) and $7 billion in FY2021 (+44.9%).
- The Q2 2026 figure is the highest quarterly Assets since Q4 2011.
- On a year-over-year basis, Assets has increased for 30 consecutive quarters, with growth averaging 19.5% over the last eight quarters.
- Over the past five years, the year-over-year growth in Assets ranged from 5.2% (Q2 2022) to 62.3% (Q3 2021).
- Per Business Quant, the preceding three quarters came in at $13.17 billion (Q1 2026), $12.31 billion (Q4 2025) and $12.35 billion (Q3 2025).
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Assets (Qtr) |
|---|---|---|---|---|---|
| 1 | Berkshire Hathaway | 1,083.69 Bn | -333.79 Bn | 55.86 Bn | 1,263.07 Bn |
| 2 | Chubb | 127.81 Bn | 79.86 Bn | 9.13 Bn | 281.32 Bn |
| 3 | Progressive | 121.79 Bn | 97.63 Bn | 9.04 Bn | 124.93 Bn |
| 4 | Marsh & Mclennan Companies | 80.80 Bn | 72.54 Bn | - | 59.68 Bn |
| 5 | Travelers Companies | 75.76 Bn | 52.01 Bn | 6.23 Bn | 143.58 Bn |
| 6 | Manulife Financial | 74.06 Bn | 75.27 Bn | - | 790.88 Bn |
| 7 | Metlife | 61.12 Bn | -45.36 Bn | 7.82 Bn | 759.37 Bn |
| 8 | Arthur J. Gallagher | 58.82 Bn | 53.25 Bn | - | 81.81 Bn |
| 9 | Allstate | 57.81 Bn | 19.06 Bn | 8.73 Bn | 124.76 Bn |
| 10 | White Mountains Insurance | 4.81 Bn | -5.87 Bn | 764.50 Mn | 13.77 Bn |
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 13.77 Bn |
| Mar 31, 2026 | 13.17 Bn |
| Dec 31, 2025 | 12.31 Bn |
| Sep 30, 2025 | 12.35 Bn |
| Jun 30, 2025 | 11.82 Bn |
| Mar 31, 2025 | 11.00 Bn |
| Dec 31, 2024 | 9.93 Bn |
| Sep 30, 2024 | 10.34 Bn |
| Jun 30, 2024 | 10.17 Bn |
| Mar 31, 2024 | 9.59 Bn |
| Dec 31, 2023 | 8.39 Bn |
| Sep 30, 2023 | 8.14 Bn |
| Jun 30, 2023 | 8.38 Bn |
| Mar 31, 2023 | 7.96 Bn |
| Dec 31, 2022 | 7.39 Bn |
| Sep 30, 2022 | 7.55 Bn |
| Jun 30, 2022 | 7.66 Bn |
| Mar 31, 2022 | 7.36 Bn |
| Dec 31, 2021 | 7.00 Bn |
| Sep 30, 2021 | 7.11 Bn |
White Mountains Insurance Assets 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=assets&ticker=WTM&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "assets", "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=assets&ticker=WTM&period=max&api_key=YOUR_API_KEY");
const data = await res.json();