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White Mountains Insurance Group Ltd. (WTM) Stock Fundamental Analysis & AI Rating 2026

WTM NYSE Fire, Marine & Casualty Insurance D0 CIK: 0000776867
Recently Updated • Analysis: Apr 19, 2026 • SEC Data: 2025-12-31
BUY
72% Conf
Pending
Analysis scheduled

📊 WTM Key Takeaways

Revenue: $3.7B
Net Margin: 29.6%
Free Cash Flow: $547.8M
Current Ratio: N/A
Debt/Equity: 0.15x
EPS: $430.14
AI Rating: BUY with 72% confidence
White Mountains Insurance Group Ltd. (WTM) receives a BUY rating with 72% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $3.7B, net profit margin of 29.6%, and return on equity (ROE) of 20.4%, White Mountains Insurance Group Ltd. demonstrates strong fundamentals in the Finance sector. Below is our complete WTM stock analysis for 2026.

Is White Mountains Insurance Group Ltd. (WTM) a Good Investment?

Claude

White Mountains demonstrates exceptional operational profitability with 35.6% operating margins and 29.6% net margins, coupled with a fortress balance sheet featuring 0.15x debt-to-equity leverage and 16.9x interest coverage. However, the significant disconnect between 66.8% revenue growth and only 1.5% net income growth suggests margin pressures or acquisition integration challenges warranting careful monitoring of earnings quality.

Why Buy White Mountains Insurance Group Ltd. Stock? WTM Key Strengths

Claude
  • + Outstanding profitability margins (35.6% operating margin, 29.6% net margin) indicating strong pricing power and operational efficiency
  • + Fortress balance sheet with minimal leverage (0.15x debt/equity), exceptional interest coverage (16.9x), and outstanding free cash flow generation ($547.8M with only $2.7M capex)
  • + Superior return metrics with 20.4% ROE and 9.0% ROA demonstrating excellent capital deployment and shareholder returns

WTM Stock Risks: White Mountains Insurance Group Ltd. Investment Risks

Claude
  • ! Significant earnings quality concern: 66.8% revenue growth translating to only 1.5% net income growth indicates margin compression or operational headwinds
  • ! EPS growth of 379.1% driven by share repurchases rather than underlying earnings growth masks stagnant fundamental profit momentum
  • ! Limited transparency on insurance underwriting metrics (combined ratio, loss ratios) and sustainability of premium growth dynamics

Key Metrics to Watch

Claude
  • * Combined ratio trends and underwriting profitability as primary insurance operations health indicator
  • * Net profit margin direction and root causes of revenue-to-earnings disconnect
  • * Organic versus acquisition-driven revenue breakdown and integration execution

White Mountains Insurance Group Ltd. (WTM) Financial Metrics & Key Ratios

Revenue
$3.7B
Net Income
$1.1B
EPS (Diluted)
$430.14
Free Cash Flow
$547.8M
Total Assets
$12.3B
Cash Position
$185.6M

💡 AI Analyst Insight

The current ratio below 1.0x warrants monitoring of short-term liquidity.

WTM Profit Margin, ROE & Profitability Analysis

Gross Margin N/A
Operating Margin 35.6%
Net Margin 29.6%
ROE 20.4%
ROA 9.0%
FCF Margin 14.7%

WTM vs Finance Sector: How White Mountains Insurance Group Ltd. Compares

How White Mountains Insurance Group Ltd. compares to Finance sector averages

Net Margin
WTM 29.6%
vs
Sector Avg 25.0%
WTM Sector
ROE
WTM 20.4%
vs
Sector Avg 12.0%
WTM Sector
Current Ratio
WTM 0.0x
vs
Sector Avg 1.2x
WTM Sector
Debt/Equity
WTM 0.2x
vs
Sector Avg 2.0x
WTM Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is White Mountains Insurance Group Ltd. Stock Overvalued? WTM Valuation Analysis 2026

Based on fundamental analysis, White Mountains Insurance Group Ltd. appears fundamentally strong relative to the Finance sector in 2026.

Return on Equity
20.4%
Sector avg: 12%
Net Profit Margin
29.6%
Sector avg: 25%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.15x
Sector avg: 2x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

White Mountains Insurance Group Ltd. Balance Sheet: WTM Debt, Cash & Liquidity

Current Ratio
N/A
Quick Ratio
N/A
Debt/Equity
0.15x
Debt/Assets
49.2%
Interest Coverage
16.95x
Long-term Debt
$837.0M

WTM Revenue & Earnings Growth: 5-Year Financial Trend

WTM 5-year financial data: Year 2019: Revenue $401.2M, Net Income N/A, EPS N/A. Year 2020: Revenue $401.2M, Net Income N/A, EPS N/A. Year 2021: Revenue $427.5M, Net Income N/A, EPS $130.27.
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: White Mountains Insurance Group Ltd.'s revenue has shown modest growth of 7% over the 5-year period. The most recent EPS of $198.60 reflects profitable operations.

WTM Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
14.7%
Free cash flow / Revenue

WTM Quarterly Earnings & Performance

Quarterly financial performance data for White Mountains Insurance Group Ltd. including revenue, net income, and earnings per share.
Quarter Revenue Net Income EPS
Q3 2025 $839.1M $113.8M $44.18
Q2 2025 $395.4M -$54.6M $-21.24
Q1 2025 $577.8M $33.9M $13.19
Q3 2024 $519.6M $23.6M $9.19
Q2 2024 $378.4M $19.6M $7.65
Q1 2024 $531.9M $179.5M $69.83
Q3 2023 $383.2M $23.6M $9.19
Q2 2023 $76.7M $19.6M $7.65

Data sourced from SEC EDGAR 10-Q quarterly filings. Figures may represent quarterly or cumulative values.

White Mountains Insurance Group Ltd. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$550.5M
Cash generated from operations
Stock Buybacks
$202.6M
Shares repurchased (TTM)
Capital Expenditures
$2.7M
Investment in assets
Dividends Paid
$2.6M
Returned to shareholders

WTM SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for White Mountains Insurance Group Ltd. (CIK: 0000776867)

📋 Recent SEC Filings

Date Form Document Action
Apr 1, 2026 8-K wtm-20260401.htm View →
Apr 1, 2026 DEF 14A tm261405d1_def14a.htm View →
Mar 20, 2026 4 xslF345X06/form4.xml View →
Mar 5, 2026 4 xslF345X05/form4.xml View →
Feb 27, 2026 4 xslF345X05/form4.xml View →

Frequently Asked Questions about WTM

What is the AI rating for WTM?

White Mountains Insurance Group Ltd. (WTM) has an AI rating of BUY with 72% confidence, based on fundamental analysis of SEC EDGAR filings.

What are WTM's key strengths?

Claude: Outstanding profitability margins (35.6% operating margin, 29.6% net margin) indicating strong pricing power and operational efficiency. Fortress balance sheet with minimal leverage (0.15x debt/equity), exceptional interest coverage (16.9x), and outstanding free cash flow generation ($547.8M with only $2.7M capex).

What are the risks of investing in WTM?

Claude: Significant earnings quality concern: 66.8% revenue growth translating to only 1.5% net income growth indicates margin compression or operational headwinds. EPS growth of 379.1% driven by share repurchases rather than underlying earnings growth masks stagnant fundamental profit momentum.

What is WTM's revenue and growth?

White Mountains Insurance Group Ltd. reported revenue of $3.7B.

Does WTM pay dividends?

White Mountains Insurance Group Ltd. pays dividends, with $2.6M distributed to shareholders in the trailing twelve months.

Where can I find WTM SEC filings?

Official SEC filings for White Mountains Insurance Group Ltd. (CIK: 0000776867) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is WTM's EPS?

White Mountains Insurance Group Ltd. has a diluted EPS of $430.14.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is WTM a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, White Mountains Insurance Group Ltd. has a BUY rating with 72% confidence. The AI analysis suggests favorable fundamentals based on SEC filings. This is not investment advice.

Is WTM stock overvalued or undervalued?

Valuation metrics for WTM: ROE of 20.4% (sector avg: 12%), net margin of 29.6% (sector avg: 25%). Higher ROE suggests strong returns relative to peers.

Should I buy WTM stock in 2026?

Our dual AI analysis gives White Mountains Insurance Group Ltd. a combined BUY rating for 2026. Revenue is data pending, with profitability above sector average. Always conduct your own research.

What is WTM's free cash flow?

White Mountains Insurance Group Ltd.'s operating cash flow is $550.5M, with capital expenditures of $2.7M. FCF margin is 14.7%.

How does WTM compare to other Finance stocks?

Vs Finance sector averages: Net margin 29.6% (avg: 25%), ROE 20.4% (avg: 12%), current ratio N/A (avg: 1.2).

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Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Apr 19, 2026 | Data as of: 2025-12-31 | Powered by Claude AI