White Mountains Insurance Group, Ltd. (WTM) Revenue History
Annual and quarterly revenue from 2014 to 2025
Compound Annual Growth Rate (CAGR)
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WTM Revenue Growth
Revenue Breakdown (FY 2022)
WTM's revenue distribution by segment and geography for fiscal year 2022
By Product/Segment
By Geography
WTM Revenue Analysis (2014–2025)
As of May 8, 2026, White Mountains Insurance Group, Ltd. (WTM) generated trailing twelve-month (TTM) revenue of $2.50 billion, reflecting significant decline in growth of -35.5% year-over-year. The most recent quarter (Q1 2026) recorded $372.4 million in revenue, down 35.4% sequentially.
Looking at the longer-term picture, WTM's 5-year compound annual growth rate (CAGR) stands at +24.8%, indicating outstanding long-term growth trajectory. The company achieved its highest annual revenue of $2.71 billion in 2025, representing a new all-time high.
Revenue diversification analysis shows WTM's business is primarily driven by Ark Insurance Holdings Limited (82%), Kudu Investment Management, LLC (9%), and Other Entity (6%). With over half of revenue concentrated in Ark Insurance Holdings Limited, the company maintains significant focus in this area while developing other growth vectors.
When compared to Financial Services sector peers including MKL (+7.7% YoY), ACGL (+14.3% YoY), and RNR (-8.2% YoY), WTM has underperformed the peer group in terms of revenue growth. Compare WTM vs MKL →
WTM Revenue vs Peers
Revenue metrics vs comparable public companies
| Company | TTM Revenue | YoY Growth | 5Y CAGR | Op. Margin | Compare |
|---|---|---|---|---|---|
| WTMCurrent | $2.5B | -35.5% | +24.8% | 49.1% | |
 MKL | $16.6B | +7.7% | +11.5% | 16.5% | |
 ACGL | $19.9B | +14.3% | +19.2% | 25.0% | |
 RNR | $12.7B | -8.2% | +19.9% | 31.5% | |
 ERIE | $4.1B | +10.8% | +9.9% | 17.7% | |
 HCI | $901M | +22.0% | +26.7% | 47.7% |
WTM Historical Revenue Data (2014–2025)
| Year | Revenue | YoY % | Gross Profit | Gross Margin | Op. Income | Op. Margin |
|---|---|---|---|---|---|---|
| 2025 | $2.71B | +15.0% | $1.45B | 53.7% | $1.33B | 49.1% |
| 2024 | $2.35B | +8.7% | $1.07B | 45.6% | $316.7M | 13.5% |
| 2023 | $2.17B | +87.1% | $1.15B | 53.1% | $565.4M | 26.1% |
| 2022 | $1.16B | +88.5% | $370.9M | 32.0% | $-149,400,000 | -12.9% |
| 2021 | $614.4M | -31.4% | $33.1M | 5.4% | $-273,600,000 | -44.5% |
| 2020 | $895.6M | +0.2% | $813.3M | 90.8% | $660.4M | 73.7% |
| 2019 | $893.4M | +142.0% | $822.9M | 92.1% | $405.1M | 45.3% |
| 2018 | $369.1M | -1.3% | $335.4M | 90.9% | $-178,200,000 | -48.3% |
| 2017 | $373.8M | +137.0% | $368.6M | 98.6% | $7.8M | 2.1% |
| 2016 | $157.7M | -64.2% | $144.1M | 91.4% | $-147,300,000 | -93.4% |
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Start ComparisonWTM — Frequently Asked Questions
Quick answers to the most common questions about buying WTM stock.
Is WTM's revenue growth accelerating or slowing?
WTM revenue declined -35.5% year-over-year, contrasting with the 5-year CAGR of +24.8%. TTM revenue fell to $2.5B. This reverses the prior growth trend.
What is WTM's long-term revenue growth rate?
White Mountains Insurance Group, Ltd.'s 5-year revenue CAGR of +24.8% reflects the variable expansion pattern. Current YoY growth of -35.5% is below this long-term average.
How is WTM's revenue distributed by segment?
WTM reports revenue by product line and geographic region. Annual and quarterly breakdowns from 2014-2025 are available for download. Segment mix reveals concentration and diversification trends.