White Mountains Insurance Group Ltd's Competitiveness
A competitive positioning analysis and financial ratio benchmarking of White Mountains Insurance Group Ltd (WTM) against its publicly traded competitors: sales growth, net income, profitability, valuation and market share, plus each peer's market capitalization, revenue, income and employees. Free below: the top 5 peers. Subscriber access adds the full competitor list and CSV downloads.
Key Findings: White Mountains Insurance Group Ltd vs Its Competitors
- TTM: Trailing 12-month revenue of 3,830M vs 2,186,143M combined for tracked competitors (0.2% combined share).
- Trending: Latest-quarter revenue run-rate is decelerating (-11.8% annualized vs trailing 12 months), vs holding steady (+1.9%) for its tracked peer group.
- Growth: White Mountains Insurance Group Ltd generated 22.6% revenue growth year over year in Q2 2026, vs 5.6% for its tracked competitors combined.
- Profitability: Its 27.4% net margin compares with 10.2% for the peer group.
- Scale: White Mountains Insurance Group Ltd ranks #27 of 65 companies by market capitalization in the Property & Casualty Insurance industry, holding 0.3% of industry market cap.
- Peer revenue share: White Mountains Insurance Group Ltd accounted for 0.2% of combined revenue among its tracked peer group, up from 0.1% a year earlier.
- Peer differentiation: Revenue per employee of $2.32M compares with $1.45M for the peer group (1.6x).
Every figure above is sourced and cited in detail further down this page (Market Structure, Profitability & Cost Structure, Productivity vs Peers).
WTM Sales vs. its Competitors, Q2 2026
White Mountains Insurance Group Ltd reported revenue growth of 22.55 % year on year in Q2 2026, above its competitors' combined revenue growth of 5.55 %.
With a net margin of 27.37 %, White Mountains Insurance Group Ltd achieved higher profitability than its competitors (10.21 %).
White Mountains Insurance Group Ltd generated 0.15 % of the combined sales of its peer group, up from 0.13 % a year earlier.
White Mountains Insurance Group Ltd vs. its Competitors, Q2 2026
Revenue growth, year on year
Net income growth, year on year
Net margin
Revenue run-rate vs trailing 12 months
TTM net margin
TTM = trailing twelve months. Run-rate annualizes the latest quarter (×4) and compares it to TTM. In millions of $. High-Confidence Competitors are named as a competitor directly in an SEC filing; Similar-Size Competitors are the closest peers by market-cap rank within the same industry; Similar Growth & Profitability Competitors are the closest peers by combined revenue growth, operating margin and ROIC, all independent of the competitor list.
TTM revenue, latest-quarter run-rate and net income/margin benchmarked across White Mountains Insurance Group Ltd and its 4 competitor groupings. Available under Commercial License.
| Entity | TTM Revenue | Rev Run-rate vs TTM |
|---|---|---|
| White Mountains Insurance Group ltd | $12,345M | +12.3% · Accelerating |
| Competitors combined | $12,345M | +12.3% · Accelerating |
| High-Confidence Competitors (7) | $12,345M | +12.3% · Accelerating |
| Similar-Size Competitors (10) | $12,345M | +12.3% · Accelerating |
TTM revenue, run-rate and net margin benchmarking across White Mountains Insurance Group Ltd's competitor groups requires a Commercial License.
For context: the Property & Casualty Insurance industry grew revenue 5.6% year over year, combined, vs 22.6% for White Mountains Insurance Group Ltd. White Mountains Insurance Group Ltd's share of combined industry revenue moved from 0.27% to 0.31%, a gain of 0.04 percentage points.
White Mountains Insurance Group Ltd's Competitor Quality Breadth
Share of each group, trailing 12 months: profitable (net margin > 0), expanding (revenue growth > 0), growing faster than the industry's own median, and financially distressed (Piotroski F-Score of 2 or below).
| Entity | Profitable | Expanding | Above Industry Growth | Distressed |
|---|---|---|---|---|
| White Mountains Insurance Group ltd | Yes | Yes | Yes | - |
| Competitors combined (68) | ||||
| High-Confidence Competitors (11) | ||||
| Similar-Size Competitors (10) |
Source: CSIMarket API, trailing 12 months. Altman Z-Score is not shown here: it is not populated in the underlying data for any company. Percentages are of companies in each group that report the relevant metric, not of the full group size.
WTM Stock Performance relative to its Competitors
WTM Stock Performance relative to High-Confidence Competitors
WTM Stock Performance relative to Similar-Size Competitors
5 Best-Performing Tracked Competitors, Trailing 12 Months
| # | Competitor | TTM Share Price Return | vs U.S.A. 500 |
|---|---|---|---|
| 1 | Centene Corporation | 282.9% | Outperformed |
| 2 | United Fire Group Inc | 282.9% | Outperformed |
| 3 | Universal Insurance Holdings Inc | 282.9% | Outperformed |
| 4 | Humana Inc | 282.9% | Outperformed |
| 5 | Safety Insurance Group Inc | 282.9% | Outperformed |
TTM share price return and U.S.A. 500 outperformance for White Mountains Insurance Group Ltd's best-performing tracked competitors requires a Commercial License.
Source: CSIMarket API, trailing 12 months.
White Mountains Insurance Group Ltd's Comment on Competition and Industry Peers
Publicly Traded Peers of White Mountains Insurance Group ltd
Revenue and income for trailing 12 months, in millions of $, except employees| Company | Market Cap | Revenues |
|---|---|---|
| White Mountains Insurance Group ltd | 4,851.24 | 3,830.40 |
| Unitedhealth Group Incorporated | 342,313.98 | 450,129.00 |
| Futu Holdings Ltd | 126,960.16 | 2,935.37 |
| Progressive Corp | 122,372.37 | 91,055.00 |
| Elevance Health Inc | 85,981.16 | 201,113.00 |
| Travelers Companies inc | 77,570.98 | 48,979.00 |
| SUBTOTAL | 1,579,973.29 | 2,389,904.37 |
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Sources: White Mountains Insurance Group ltd's official press releases and regulatory filings; CSIMarket.com's market research; and the financial filings and press releases of the other companies cited.
Updated on:
Focus of this report: publicly traded companies. Ten additional tables on White Mountains Insurance Group ltd versus competitors, including market share analysis, are in the navigation menu under Competition. To download the tables, please subscribe.
White Mountains Insurance Group Ltd's Competitors Named by the Company
Competitive relationships identified from SEC filings and corroborating sources, each with a basis and confidence.| Competitor | Basis | Confidence |
|---|---|---|
| Renaissancere Holdings Ltd | Named by the company | 85% |
| Ascot Group Ltd. | Named by the company | 85% |
| Canopius Group Ltd. | Named by the company | 85% |
| Lancashire Holdings Ltd. | Named by the company | 85% |
| Sompo Holdings Inc. | Named by the company | 85% |
| American International Group, Inc. | Named by the company | 85% |
| AXIS Capital Holdings Ltd. | Named by the company | 85% |
| Everest Re Group | Named by the company | 85% |
| QBE Insurance Group Ltd. | Named by the company | 85% |
| Aspen Insurance Holdings Ltd. | Named by the company | 85% |
| Chubb Ltd. | Named by the company | 85% |
| Markel Group, Inc. | Named by the company | 85% |
| Chubb Ltd. | Named by the company | 85% |
| Arch Capital Group | Named by the company | 85% |
| Beazley plc | Named by the company | 85% |
| Hiscox plc | Named by the company | 85% |
| SiriusPoint Ltd. | Named by the company | 85% |
| Assured Guaranty Ltd. | Named by the company | 85% |
| Convex Group Ltd. | Named by the company | 85% |
| MS Amlin Ltd. | Named by the company | 85% |
Filing basis, confidence, active dates and source counts for White Mountains Insurance Group Ltd's named competitors require a Commercial License.
Methodology: relationships are extracted from SEC filings (named-competitor disclosures) and corroborating sources. Named by the company = explicitly disclosed as a competitor; Inferred = derived from corroborating signals. Confidence reflects evidence strength.
White Mountains Insurance Group Ltd's Business Segment Mix vs Peers
Revenue by operating segment or division, as named and reported by each company. Segment names are the filer's own and are not standardized across companies. Do not assume a same-named or similarly-named segment is defined identically between two companies. Shares are of each company's own total revenue and are not required to sum to 100% (intersegment revenue, unallocated items).| Company | Largest Segment |
|---|---|
| White Mountains Insurance Group ltd | Ark Insurance Holdings Limited/Outrigger 72.19 % |
| Unitedhealth Group Incorporated | UnitedHealthcare 76.78 % |
| Elevance Health Inc | Reportable 100.00 % |
| Travelers Companies inc | Business Insurance 45.68 % |
| The Cigna Group | Evernorth 85.32 % |
| Metlife Inc | Group Benefits 36.13 % |
Source: operating segment revenue as reported in each company's SEC filings (10-K/10-Q), via the CSIMarket API, leaf-level reportable segments only (parent roll-up segments are excluded where sub-segments are separately disclosed).
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White Mountains Insurance Group Ltd's Productivity vs Peers Comparison
Revenue and income per employee, trailing 12 months, in $; market cap in millions of $| Company | Market Cap | Revenue / Employee | Income / Employee |
|---|---|---|---|
| White Mountains Insurance Group ltd | 4,851 | 2,324,272 | 716,201 |
| Unitedhealth Group Incorporated | 342,314 | 1,154,177 | 38,236 |
| Futu Holdings Ltd | 126,960 | 14,531,554 | 7,188,465 |
| Progressive Corp | 122,372 | 1,821,100 | 233,900 |
| Elevance Health Inc | 85,981 | 2,071,195 | 51,040 |
| Travelers Companies inc | 77,571 | 1,440,559 | 243,765 |
| PEERS TOTAL | 1,575,122 | 1,454,223 | 120,597 |
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White Mountains Insurance Group Ltd's Geographic Revenue Exposure vs Peers
Revenue by country/region as reported in each company's most recent filing. Disclosure granularity varies by filer (some report by country, others by broad region) and is shown as disclosed.| Company | Largest Market |
|---|---|
| Aon Plc | Europe, Middle East, and Africa, Other Than United Kingdom and Ireland 16.91 % |
| Brown and Brown Inc | US 86.46 % |
| Ncr Atleos Corporation | United States 47.84 % |
| Citizens Inc | All Countries 66.88 % |
Source: revenue geography as reported in each company's SEC filings (10-K/10-Q), via the CSIMarket API. Percentages are of that company's own total consolidated revenue for its most recent reported period.
White Mountains Insurance Group Ltd's Position in Industry Market Structure
Market-capitalization share and concentration across all 65 companies in White Mountains Insurance Group Ltd's industry classification, broader than the peer set above. Market cap in millions of $.White Mountains Insurance Group Ltd ranks #27 of 65 companies by market capitalization in its industry, holding 0.26 % of total industry market cap. The industry's Herfindahl-Hirschman Index (HHI) is 3,550, indicating a highly concentrated market structure (U.S. antitrust guidance: below 1,500 unconcentrated, 1,500 to 2,500 moderately concentrated, above 2,500 highly concentrated).
| Rank | Company | Market Cap | Industry Share |
|---|---|---|---|
| 2 | Chubb Limited | 130,758 | 7.04 % |
| 3 | Progressive Corp | 122,372 | 6.59 % |
| 4 | Travelers Companies inc | 77,571 | 4.18 % |
| 5 | Allstate Corp | 58,958 | 3.17 % |
| 6 | American International Group Inc | 1,234 | 5.2% |
| 7 | The Hartford Insurance Group Inc | 1,234 | 5.2% |
| 8 | Arch Capital Group Ltd | 1,234 | 5.2% |
| 9 | W R Berkley Corp | 1,234 | 5.2% |
| 10 | Cincinnati Financial Corporation | 1,234 | 5.2% |
| 11 | Markel Group Inc | 1,234 | 5.2% |
| 27 | White Mountains Insurance Group ltd | 4,851 | 0.26 % |
Market cap and industry share for the rest of White Mountains Insurance Group Ltd's industry peers requires a Commercial License.
Source: CSIMarket API (daily market-structure computation) across CSIMarket's industry classification, market capitalization as of 2026-09-28.
White Mountains Insurance Group Ltd's Same-Size Peers & Stock Performance
Peers chosen by closeness in market-cap rank within the same industry classification (not the named-competitor list above). Trailing 12-month total return, 3-month price momentum, beta and Sharpe ratio vs the broad U.S. market.| Rank | Company | Market Cap | TTM Return |
|---|---|---|---|
| 22 | Mgic Investment Corp | 5,980 | 1.06 % |
| 23 | Essent Group Ltd | 5,798 | -0.22 % |
| 24 | Mercury General Corporation | 5,475 | 22.84 % |
| 25 | Rli Corp | 5,159 | -6.59 % |
| 26 | Selective Insurance Group Inc | 1,234 | 12.3% |
| 27 | White Mountains Insurance Group ltd | 4,851 | 20.24 % |
| 28 | Radian Group Inc | 1,234 | 12.3% |
| 29 | Lemonade Inc | 1,234 | 12.3% |
| 30 | Hamilton Insurance Group Ltd | 1,234 | 12.3% |
| 31 | Palomar Holdings Inc | 1,234 | 12.3% |
| 32 | Nmi Holdings Inc | 1,234 | 12.3% |
Market cap, return, momentum, beta and Sharpe ratio for the rest of White Mountains Insurance Group Ltd's same-size peers requires a Commercial License.
Source: CSIMarket API (daily market-structure computation); returns and risk metrics as of 2026-09-28. Beta and Sharpe ratio are versus the broad U.S. equity market, not this industry.
White Mountains Insurance Group Ltd's Profitability & Cost Structure
Trailing 12-month margins from SEC-filed financials. Operating margin is compared to the Property & Casualty Insurance industry median; gross margin, EBITDA margin and capital intensity are compared to the live industry average (75 companies).| Metric | Company | Industry | Difference |
|---|---|---|---|
| Gross Margin | 89.40 % | 49.36 % (avg) | +40.0 pp |
| Operating Margin | - | industry median | - |
| EBITDA Margin | 39.65 % | 13.82 % (avg) | +25.8 pp |
| Capital Intensity (Capex / Revenue) | 0.00 % | 0.95 % (avg) | -0.9 pp |
Source: CSIMarket API, trailing 12 months. SG&A and R&D as a share of revenue have limited coverage as this data is backfilled and appear only where reported. Higher capital intensity is not inherently negative; it reflects the industry's asset requirements.
White Mountains Insurance Group Ltd's Valuation vs Competitive Position
Valuation multiples vs the Property & Casualty Insurance industry average (75 companies, excluding loss-making/negative-equity outliers), alongside returns on capital for context on whether a premium or discount lines up with measurably stronger or weaker returns.| Metric | Company | Industry Average | Difference |
|---|---|---|---|
| P/E | 4.8x | 13.2x | -8.4x |
| EV / EBITDA | 3.8x | 6.2x | -2.4x |
| P/B | 0.9x | 1.9x | -1.1x |
| Return on Equity | 19.78 % | industry aggregate | 5.09 % |
| Return on Invested Capital | - | 5.86 % (avg) | - |
Source: CSIMarket API, trailing 12 months. A valuation premium or discount is not, by itself, a judgment of over- or under-valuation. Compare it against the return and growth context shown elsewhere on this page.
White Mountains Insurance Group Ltd's Multi-Year Financial Trajectory
Fiscal-year revenue growth, operating margin, return on invested capital and P/E, as reported in SEC filings.| Metric | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|
| Revenue Growth | - | 142.05 % | 32.16 % | -19.98 % | 22.56 % | 87.12 % | 3.37 % | 66.76 % |
| Operating Margin | -66.13 % | 15.12 % | 58.47 % | -31.94 % | -1.93 % | 45.53 % | 64.17 % | 68.85 % |
| Return on Invested Capital | -3.22 % | 2.00 % | 9.16 % | -2.73 % | -0.20 % | 7.71 % | 9.21 % | 14.49 % |
| P/E | - | 8.4x | - | - | - | - | 21.3x | 4.7x |
Source: CSIMarket API, fiscal-year figures. P/E is this company's own historical ratio at each fiscal year end and can swing sharply around an earnings trough: that is real, not a data error.
White Mountains Insurance Group Ltd's BCG Growth-Share Matrix
Relative market share (vs White Mountains Insurance Group Ltd's largest competitor by market cap) against industry revenue growth, using the standard textbook thresholds (1.0x share, 10% growth) a common framework, not a precision instrument.
White Mountains Insurance Group Ltd falls in the Dog quadrant: relative market share of 0.04x vs its largest competitor, in an industry growing revenue 5.9% (median, trailing 12 months).
Source: CSIMarket API (market-cap share and industry revenue growth). The 10% growth and 1.0x share lines are standard textbook thresholds, not derived from this industry's own distribution.
White Mountains Insurance Group Ltd's Competitive Forces (Porter's Five Forces)
Only the forces this data can support honestly are shown; the other three are marked as such rather than guessed.| Force | Assessment | Basis |
|---|---|---|
| Competitive Rivalry | Low | Industry HHI of 3,550 (see Industry Market Structure & Concentration above) |
| Barriers to Entry | Lower than typical for the industry | Capital intensity (capex / revenue) of 0.00 % vs industry average 0.95 % (see Profitability & Cost Structure above) |
| Supplier Power | Not covered on this page | See White Mountains Insurance Group Ltd's dedicated suppliers page for concentration and dependency data |
| Buyer Power | Not covered on this page | See White Mountains Insurance Group Ltd's dedicated customers page for concentration and dependency data |
| Threat of Substitutes | - | No systematic data source for cross-product substitution exists in this system; not estimated |
Note: this is a partial, data-grounded application of the framework, not a complete strategic assessment. Rivalry and barriers-to-entry readings are mechanical translations of the HHI and capital-intensity figures shown elsewhere on this page, not independent judgments.
White Mountains Insurance Group Ltd's Industry Attractiveness & Competitive Strength
A CSIMarket composite, not a standard field: each axis is an equal-weighted average of three factors already shown elsewhere on this page (industry growth, industry profitability and rivalry for attractiveness; relative market share, profitability and growth vs industry for strength). Disclosed as a designed methodology, not a precision measurement.
White Mountains Insurance Group Ltd falls in the Medium attractiveness / Medium strength cell: Selective.
Source: CSIMarket API, trailing 12 months. Each axis score is a simple 1(low)/2(medium)/3(high) average across its three inputs -- a transparent, disclosed simplification, not a validated academic scoring model.
White Mountains Insurance Group Ltd's SWOT
Every point below is a fixed rule applied to a metric already shown elsewhere on this page (Market Structure, Profitability, Valuation, Run-Rate, Stock Performance, Quality Breadth) not an independent strategic assessment. A blank quadrant means no rule was met, not that none apply.Strengths
- Return on equity 5.1 points above the industry aggregate.
- Outperforming the U.S.A. 500 over the trailing 12 months.
Weaknesses
- Latest-quarter revenue run-rate is decelerating (-11.8% annualized vs trailing 12 months).
- Low relative market share vs the industry leader (0.04x).
Opportunities
No rule matched.
Threats
No rule matched.
Methodology: mechanical, rule-based SWOT. Each bullet reuses a figure already sourced and cited elsewhere on this page; nothing here is generated narrative or independent analyst judgment.
White Mountains Insurance Group Ltd's Financial Strength vs Peers Comparison
Quick ratio, working capital, debt to equity and asset turnover, trailing 12 months| Company | Quick Ratio | Working Capital | Debt / Equity |
|---|---|---|---|
| White Mountains Insurance Group ltd | 0.04 | 0.37 | 0.15 |
| Unitedhealth Group Incorporated | 0.24 | 0.81 | 0.75 |
| Futu Holdings Ltd | 0.06 | 1.19 | 0.30 |
| Progressive Corp | 0.06 | 1.06 | 0.23 |
| Elevance Health Inc | 0.22 | 1.50 | 0.72 |
| Travelers Companies inc | 0.01 | 1.08 | 0.28 |
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Quick ratio = cash / current liabilities; working capital ratio = current assets / current liabilities; asset turnover = revenue / total assets. Peers in the Blank Checks industry are excluded.
White Mountains Insurance Group Ltd's Revenue and Income Growth vs Peers
Quarterly revenue and net income growth, year over year and quarter over quarter| Company | Period | Revenue Y/Y | Income Y/Y |
|---|---|---|---|
| White Mountains Insurance Group ltd | Q2 2026 | +22.5 % | +41.3 % |
| Unitedhealth Group Incorporated | Q2 2026 | +0.4 % | +58.7 % |
| Futu Holdings Ltd | Q4 2025 | +67.8 % | +107.6 % |
| Progressive Corp | Q2 2026 | +7.3 % | +4.3 % |
| Elevance Health Inc | Q2 2026 | +1.4 % | -16.1 % |
| Travelers Companies inc | Q2 2026 | +0.3 % | +45.3 % |
| PEERS TOTAL | +6.7 % | +54.4 % |
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Growth is shown only where both periods are positive. Peers in the Blank Checks industry are excluded.
White Mountains Insurance Group Ltd's Peers' Costs of Sales and Capital Expenditures
Context for revenue growth: peer costs and capex, year over year and quarter over quarter| Company | Period | Costs Y/Y | Capex Y/Y |
|---|---|---|---|
| White Mountains Insurance Group ltd | Q2 2026 | +87.1 % | - |
| Unitedhealth Group Incorporated | Q2 2026 | +2.7 % | -9.8 % |
| Futu Holdings Ltd | Q4 2025 | +29.0 % | -67.4 % |
| Progressive Corp | Q2 2026 | +1,027.3 % | +35.3 % |
| Elevance Health Inc | Q2 2026 | +3.8 % | +7.5 % |
| Travelers Companies inc | Q2 2026 | -0.9 % | - |
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White Mountains Insurance Group Ltd's Returns and Turnover vs Peers
ROA, ROI and ROE (trailing 12 months), receivables and inventory turnover| Company | ROA | ROI | ROE |
|---|---|---|---|
| White Mountains Insurance Group ltd | 9.15% | 9.26% | 19.78% |
| Unitedhealth Group Incorporated | 4.78% | 7.51% | 14.55% |
| Futu Holdings Ltd | 4.95% | 19.69% | 28.25% |
| Progressive Corp | 9.51% | 11.22% | 35.40% |
| Elevance Health Inc | 3.99% | 6.09% | 11.19% |
| Travelers Companies inc | 5.78% | 10.84% | 25.58% |
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ROA = net income / total assets; ROI = net income / investments; ROE = net income / equity; turnover ratios use trailing 12 month revenue (receivables) and cost of sales (inventory).
White Mountains Insurance Group Ltd's Valuation vs Peers
P/E, price to sales, PEG, price to cash flow and price to book| Company | P/E | Price / Sales |
|---|---|---|
| White Mountains Insurance Group ltd | 4.61 | 1.27 |
| Unitedhealth Group Incorporated | 24.31 | 0.76 |
| Futu Holdings Ltd | 87.03 | 43.25 |
| Progressive Corp | 10.51 | 1.34 |
| Elevance Health Inc | 17.56 | 0.43 |
| Travelers Companies inc | 9.72 | 1.58 |
| PEERS AVERAGE | 7.94 | 0.66 |
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P/E = price / diluted EPS (trailing 12 months); PEG = P/E divided by EPS growth; the average row divides the peers' combined market cap by their combined income, sales, cash flow and equity.