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WTM logoWhite Mountains Insurance Group, Ltd.(WTM)Earnings, Financials & Key Ratios

WTM•NYSE•Insurance & Managed Care
$2093.98
$5.19B mkt cap·4.9× P/E·Price updated May 7, 2026
SectorFinancial ServicesIndustryProperty & Casualty InsuranceSub-IndustryInsurance distributors and MGAs
AboutWhite Mountains Insurance Group, Ltd., through its subsidiaries, provides insurance and other financial services in the United States. The company operates through five segments: HG Global/BAM, Ark, NSM, Kudu, and Other Operations. The HG Global/BAM segment provides insurance on municipal bonds issued to finance public purposes, such as schools, utilities, and transportation facilities, as well as reinsurance protection services. The Ark segment writes a portfolio of reinsurance and insurance, including property, marine and energy, accident and health, casualty, and specialty products. The NSM segment operates as a managing general agent and program administrator for specialty property and casualty insurance to various sectors comprising specialty transportation, real estate, social services, and pet. The Kudu segment provides capital solutions to boutique asset and wealth managers for generational ownership transfers, management buyouts, acquisitions and growth finances, and legacy partner liquidity, as well as strategic assistance to investees. The Other Operations segment offers insurance solutions to travel industry through broker channel and on a direct-to-consumer basis; and manages separate accounts and pooled investment vehicles for insurance-linked securities sectors, including catastrophe bonds, collateralized reinsurance investments, and industry loss warranties of third-party clients. White Mountains Insurance Group, Ltd. was incorporated in 1980 and is headquartered in Hamilton, Bermuda.Show more
  • Revenue$2.71B+15.0%
  • Combined Ratio50.92%-41.2%
  • Net Income$1.11B+380.2%
  • Return on Equity19.43%+308.8%
  • Medical Cost Ratio46.28%-15.0%
  • Operating Margin49.08%+264.8%
  • Net Margin40.87%+317.6%
  • ROA9.95%+295.5%
  • Equity / Assets50.83%-1.7%
  • Book Value per Share2448.98+20.8%
  • Tangible BV/Share1928.97+10.7%
  • Debt/Equity0.13+22.1%
Technical→

WTM Key Insights

White Mountains Insurance Group, Ltd. (WTM) fundamental analysis — strengths, weaknesses & financial health based on data analysis

✓Strengths

  • ✓Profitable underwriting: 50.9% combined ratio
  • ✓Low loss ratio of 46.3%
  • ✓Trading at only 0.9x book value

✗Weaknesses

  • ✗Weak Piotroski F-Score: 3/9

* These insights are generated automatically based on available financial data. Please conduct your own research before making investment decisions.

WTM Price & Volume

White Mountains Insurance Group, Ltd. (WTM) stock price & volume — 10-year historical chart

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WTM Growth Metrics

White Mountains Insurance Group, Ltd. (WTM) revenue, earnings & EPS growth — 3, 5 & 10-year CAGR

Revenue CAGR

10 Years19.92%
5 Years24.76%
3 Years32.73%
TTM9.5%

Profit CAGR

10 Years14.12%
5 Years9.32%
3 Years11.75%
TTM3646.59%

EPS CAGR

10 Years23.86%
5 Years13.56%
3 Years15.81%
TTM3563.9%

Return on Capital

10 Years3.71%
5 Years3.58%
3 Years8.59%
Last Year15.04%

WTM Recent Earnings

White Mountains Insurance Group, Ltd. (WTM) EPS & revenue vs analyst estimates — last 4 quarters

Full history →
●Beat EPS 4/12 qtrs (33%)●Beat Revenue 0/12 qtrs (0%)
Q2 2026Latest
May 6, 2026
EPS
$12.59
Est $4.00
+414.4%
Revenue
—
Est $637M
Q1 2026
Feb 6, 2026
EPS
$39.77
Est $379.45
-89.5%
Revenue
$576M
Est $576M
+0.0%
Q4 2025
Nov 6, 2025
EPS
$72.21
Est $57.00
+26.7%
Revenue
$864M
Q3 2025
Aug 7, 2025
EPS
$47.75
Est $57.00
-16.2%
Revenue
$689M
QuarterDateEPS (Act vs Est)Revenue (Act vs Est)
Q2 2026LatestMay 6, 2026
$12.59vs $4.00+414.4%
—vs $637M
Q1 2026Feb 6, 2026
$39.77vs $379.45-89.5%
$576Mvs $576M+0.0%
Q4 2025Nov 6, 2025
$72.21vs $57.00+26.7%
$864M
Q3 2025Aug 7, 2025
$47.75vs $57.00-16.2%
$689M
Based on last 12 quarters of dataView full earnings history →

WTM Peer Comparison

White Mountains Insurance Group, Ltd. (WTM) competitors in Insurance distributors and MGAs — business model, growth, and fundamentals comparison

Select Columns
Stock Universe
Valuation
Growth
Profitability
Financial Health
Dividends & Buybacks
Price Performance
Technical
Fundamentals ($)
Sector-Specific
CompanyMarket CapStock PriceP/E Ratio (TTM)Revenue Growth 1YNet MarginReturn on Equity (ROE)FCF YieldDebt / Equity
MKL logoMKLMarkel CorporationDirect Competitor22.52B1799.9710.64-0.96%10.7%9.56%0.23
ACGL logoACGLArch Capital Group Ltd.Direct Competitor33.67B94.528.1314.27%22.07%19.02%0.11
RNR logoRNRRenaissanceRe Holdings Ltd.Direct Competitor12.98B300.765.319.45%26.93%16.59%0.12
ERIE logoERIEErie Indemnity CompanyDirect Competitor10.01B216.7520.417.17%13.2%25.03%
HCI logoHCIHCI Group, Inc.Direct Competitor1.99B152.876.1520.21%33.89%31.99%0.06
KMPR logoKMPRKemper CorporationDirect Competitor1.73B29.3812.833.62%0.83%1.43%0.38
AIG logoAIGAmerican International Group, Inc.Product Competitor41.01B76.4314.08-1.82%11.86%7.7%0.22
TRV logoTRVThe Travelers Companies, Inc.Product Competitor64.62B298.8610.905.17%12.88%19.12%0.28

Compare WTM vs Peers

White Mountains Insurance Group, Ltd. (WTM) vs competitors — business, growth, and fundamentals comparison against the closest industry rivals.

Closest Rival

vs MKL

Most directly comparable listed peer for WTM.

Scale Benchmark

vs CB

Larger-name benchmark to compare WTM against a more recognizable public peer.

Peer Set

Compare Top 5

vs MKL, ACGL, RNR, ERIE

WTM Income Statement

White Mountains Insurance Group, Ltd. (WTM) annual income statement — 10-year revenue, gross profit & net income history

10Y historyFree accessUpdated daily
Line itemDec'17Dec'18Dec'19Dec'20Dec'21Dec'22Dec'23Dec'24Dec'25TTM
Revenue373.8M369.1M893.4M895.6M614.4M1.16B2.17B2.35B2.71B2.5B
Revenue Growth %137.03%-1.26%142.05%0.25%-31.4%88.46%87.12%8.66%14.99%9.5%
Medical Costs & Claims5.2M33.7M70.5M82.3M581.3M787M1.02B1.28B1.25B921.2M
Medical Cost Ratio %1.39%9.13%7.89%9.19%94.61%67.97%46.93%54.42%46.28%36.82%
Gross Profit
368.6M▲ 0%
335.4M▼ 9.0%
822.9M▲ 145.3%
813.3M▼ 1.2%
33.1M▼ 95.9%
370.9M▲ 1020.5%
1.15B▲ 210.0%
1.07B▼ 6.7%
1.45B▲ 35.5%
1.21B▲ 0%
Gross Margin %98.61%90.87%92.11%90.81%5.39%32.03%53.07%45.58%53.72%48.3%
Gross Profit Growth %155.79%-9.01%145.35%-1.17%-95.93%1020.54%210%-6.68%35.55%-
Operating Expenses360.8M513.6M417.8M152.9M306.7M520.3M584.4M756.3M125.7M100.1M
OpEx / Revenue %96.52%139.15%46.77%17.07%49.92%44.93%26.97%32.12%4.64%4%
Depreciation & Amortization22.4M25.7M29.8M9.6M21.6M4.3M-17.8M-6.4M2.6M1.5M
Combined Ratio %97.91%148.28%54.66%26.26%144.53%112.9%73.91%86.55%50.92%40.82%
Operating Income
7.8M▲ 0%
-178.2M▼ 2384.6%
405.1M▲ 327.3%
660.4M▲ 63.0%
-273.6M▼ 141.4%
-149.4M▲ 45.4%
565.4M▲ 478.4%
316.7M▼ 44.0%
1.33B▲ 319.5%
1.11B▲ 0%
Operating Margin %2.09%-48.28%45.34%73.74%-44.53%-12.9%26.09%13.45%49.08%44.29%
Operating Income Growth %105.3%-2384.62%327.33%63.02%-141.43%45.39%478.45%-43.99%319.55%-
EBITDA30.2M-152.5M434.9M670M-252M-145.1M547.6M310.3M1.33B1.13B
EBITDA Margin %8.08%-41.32%48.68%74.81%-41.02%-12.53%25.27%13.18%49.17%45.24%
Interest Expense2.3M9.5M17.6M7.4M20.5M40.3M62.7M60.8M58.8M45.1M
Non-Operating Income-2.3M-9.5M-17.6M-7.4M-20.5M-40.3M-62.7M-60.8M-78.4M-60.6M
Pretax Income
7.8M▲ 0%
-178.2M▼ 2384.6%
405.1M▲ 327.3%
660.4M▲ 63.0%
-273.6M▼ 141.4%
-149.4M▲ 45.4%
565.4M▲ 478.4%
316.7M▼ 44.0%
1.33B▲ 319.5%
1.23B▲ 0%
Pretax Margin %2.09%-48.28%45.34%73.74%-44.53%-12.9%26.09%13.45%49.08%49.09%
Income Tax-7.8M-4M29.3M-14.8M44.4M41.4M-15.5M32.6M126.9M116.5M
Effective Tax Rate %-100%2.24%7.23%-2.24%-16.23%-27.71%-2.74%10.29%9.55%9.48%
Net Income
627.2M▲ 0%
-141.2M▼ 122.5%
414.5M▲ 393.6%
708.7M▲ 71.0%
-275.4M▼ 138.9%
792.8M▲ 387.9%
509.2M▼ 35.8%
230.4M▼ 54.8%
1.11B▲ 380.2%
1.05B▲ 0%
Net Margin %167.79%-38.26%46.4%79.13%-44.82%68.47%23.5%9.79%40.87%41.78%
Net Income Growth %56.1%-122.51%393.56%70.98%-138.86%387.87%-35.77%-54.75%380.21%3646.59%
EPS (Diluted)
146.06▲ 0%
-41.76▼ 128.6%
130.27▲ 411.9%
227.72▲ 74.8%
-89.46▼ 139.3%
276.96▲ 409.6%
198.63▼ 28.3%
89.79▼ 54.8%
430.14▲ 379.1%
-▲ 0%
EPS Growth %77.71%-128.59%411.95%74.81%-139.29%409.59%-28.28%-54.8%379.05%3563.9%
EPS (Basic)146.06-41.76130.27227.72-89.46276.96198.6389.79430.14-
Diluted Shares Outstanding4.29M3.34M3.14M3.08M3.04M2.83M2.53M2.53M2.55M0

WTM Balance Sheet

White Mountains Insurance Group, Ltd. (WTM) balance sheet — assets, liabilities & shareholders' equity

Line itemDec'17Dec'18Dec'19Dec'20Dec'21Dec'22Dec'23Dec'24Dec'25TTM
Total Assets3.66B3.36B3.98B4.83B7B7.39B8.39B9.93B12.31B7.13B
Asset Growth %-43.88%-8.11%18.46%21.29%44.9%5.55%13.49%18.36%23.99%24.52%
Total Investment Assets3.35B2.54B2.95B2.94B4.26B5.17B6.39B5.29B8.57B3M
Long-Term Investments3.17B2.22B2.27B2.15B3.8B3B3.49B4.33B5.61B16.04B
Short-Term Investments176.1M214.2M201.2M142.8M458.1M924.1M1.49B964.2M2.96B0
Total Current Assets331.1M60.3M000003.05B4.91B97.3M
Cash & Equivalents97.1M110.3M161M211.2M147.7M255M121.7M252.3M184.9M97.3M
Receivables57.8M87.4M86.5M83.6M871.3M1.15B1.06B1.83B1.77B6.38B
Other Current Assets00-448.7M-437.6M-1.54B-2.38B-2.67B000
Goodwill & Intangibles62.1M537.5M654.7M782.4M340.5M392.4M370.6M720.3M1.33B3.54B
Goodwill25.9M379.9M394.7M0142.3M176.5M168.8M439.2M0292.5M
Intangible Assets36.2M157.6M260M0198.2M215.9M201.8M281.1M1.33B0
PP&E (Net)000000032.6M00
Other Assets-3.22B0-2.93B-2.93B2.86B4B4.53B-4.79B457.6M0
Total Liabilities298.4M644.4M838.5M1.01B3.3B3.45B3.82B4.79B6.05B5.59B
Total Debt23.8M192.7M283.5M376.4M639.1M575.2M564.6M562.5M837M0
Net Debt-73.3M82.4M122.5M165.2M491.4M320.2M442.9M310.2M652.1M-97.3M
Long-Term Debt23.8M192.7M12.5M290.1M420.9M575.2M564.6M562.5M837M0
Short-Term Debt00271M86.3M218.2M5.4M07.3M00
Total Current Liabilities32.2M111.4M0002.58B0237.6M4.33B0
Accounts Payable32.2M104.2M102.3M113.4M424.1M251.1M81.1M237.6M367.5M0
Deferred Revenue000000001.36B0
Other Current Liabilities00-373.3M-199.7M-642.3M2.33B-81.1M-7.3M2.49B0
Deferred Taxes0000000000
Other Liabilities182.4M365.4M-12.5M-290.1M2.88B1.7B3.26B3.99B885.8M5.59B
Total Equity
3.36B▲ 0%
2.72B▼ 19.1%
3.14B▲ 15.7%
3.82B▲ 21.4%
3.7B▼ 3.0%
3.94B▲ 6.2%
4.56B▲ 15.9%
5.13B▲ 12.5%
6.26B▲ 21.9%
1.55B▲ 0%
Equity Growth %-9.56%-19.12%15.69%21.41%-2.96%6.22%15.92%12.48%21.91%-29.69%
Shareholders Equity3.49B2.84B3.26B3.91B3.55B3.75B4.24B4.48B5.43B5.37B
Minority Interest-131.7M-124.9M-116.8M-88.1M156.6M188.1M321.1M647.3M829.7M131.5M
Retained Earnings2.82B2.26B2.67B3.31B2.96B3.21B3.69B3.92B4.85B4.79B
Common Stock3.8M3.2M3.2M3.1M3M2.6M2.6M2.6M579M581.3M
Accumulated OCI-1.3M-5.8M-7.2M-400K1.7M-3.5M-1.6M-1.7M800K0
Return on Equity (ROE)17.73%-4.65%14.14%20.36%-7.32%20.75%11.99%4.75%19.43%22.17%
Return on Assets (ROA)12.32%-4.02%11.29%16.08%-4.66%11.02%6.46%2.52%9.95%9.59%
Equity / Assets91.85%80.84%78.95%79.02%52.92%53.25%54.4%51.69%50.83%21.69%
Debt / Equity0.01x0.07x0.09x0.10x0.17x0.15x0.12x0.11x0.13x0.13x
Book Value per Share782.65813.251001.151239.011217.651392.331804.932026.462448.98624.67
Tangible BV per Share768.19652.44792.721239.011105.741253.491658.291741.981928.97-

WTM Cash Flow Statement

White Mountains Insurance Group, Ltd. (WTM) cash flow — operating, investing & free cash flow history

Line itemDec'17Dec'18Dec'19Dec'20Dec'21Dec'22Dec'23Dec'24Dec'25TTM
Cash from Operations-62.4M-31.1M-120.5M-12.8M98.2M434M404.1M586.8M-7.2M-7.2M
Operating CF Growth %52.22%50.16%-287.46%89.38%867.19%341.96%-6.89%45.21%-101.23%178.56%
Operating CF / Revenue %-16.69%-8.43%-13.49%-1.43%15.98%37.48%18.65%24.92%-0.27%-0.29%
Net Income36.1M-174.2M414.5M701.7M-268.3M792.8M509.2M284.1M1.11B1.05B
Depreciation & Amortization22.4M25.7M29.8M004.3M-17.8M-6.4M05.6M
Stock-Based Compensation013M00066.1M15.3M020.3M-51.6M
Deferred Taxes-11.4M-8.4M24.8M000011.1M07.7M
Other Non-Cash Items-139M108.3M-647.3M-659.1M392.5M-547M-449.3M-58.5M-1.38B-829.3M
Working Capital Changes29.5M4.5M57.7M-55.4M-26M117.8M346.7M356.5M248.4M361.5M
Cash from Investing715.5M459.2M-59.9M65.5M-204M155.7M-543.9M-447M212.7M-776.7M
Capital Expenditures0000000000
Acquisitions1.1B-295.2M-258M-56.5M80M-67.9M87.1M-215.6M0-336.6M
Purchase of Investments-3.33B-1.39B-746.7M-648.3M-1.64B0-1.47B-1.99B0-1.52B
Sale/Maturity of Investments2.76B2.16B942.7M1.42B721.9M0793.2M1.56B0715.7M
Other Investing180.9M-10.6M2.1M-646.7M634.9M223.6M43.7M200.6M212.7M368.9M
Cash from Financing-637.1M-414.3M230.5M-21.8M149.2M-461.8M7.2M4.2M-205.2M-27M
Dividends Paid-4.6M-3.8M-3.2M-3.2M-3.1M-3M-2.6M-2.5M-2.6M-2.4M
Share Repurchases-714.6M-511.9M-62.7M-78.5M-107.5M-615.8M-32.7M-7.9M-202.6M-218.6M
Stock Issued0062.7M0000000
Debt Issuance (Net)1000K1000K1000K1000K1000K1000K-1000K-1000K1000K3M
Other Financing71.1M32.7M50.2M-20.2M-21.8M-100K55.8M16.1M-277.2M6.2M
Net Change in Cash
16.9M▲ 0%
13.2M▼ 21.9%
50.7M▲ 284.1%
696.5M▲ 1273.8%
-709.8M▼ 201.9%
107.3M▲ 115.1%
-132.6M▼ 223.6%
144M▲ 208.6%
300K▼ 99.8%
-38.9M▲ 0%
Exchange Rate Effect0-600K600K665.6M-753.2M-20.6M000136.1M
Cash at Beginning80.2M97.1M110.3M161M857.5M147.7M255M122.4M100K185.6M
Cash at End97.1M110.3M161M857.5M147.7M255M122.4M266.4M400K137M
Free Cash Flow
133M▲ 0%
-31.1M▼ 123.4%
-120.5M▼ 287.5%
-12.8M▲ 89.4%
98.2M▲ 867.2%
434M▲ 342.0%
404.1M▼ 6.9%
586.8M▲ 45.2%
-7.2M▼ 101.2%
628.7M▲ 0%
FCF Growth %198.59%-123.38%-287.46%89.38%867.19%341.96%-6.89%45.21%-101.23%17.58%
FCF Margin %35.58%-8.43%-13.49%-1.43%15.98%37.48%18.65%24.92%-0.27%25.13%
FCF per Share30.97-9.3-38.36-4.1532.28153.56159.89231.75-2.82-2.82

WTM Key Ratios

White Mountains Insurance Group, Ltd. (WTM) financial ratios — P/E, ROE, debt and 30+ core market and balance-sheet ratios

Metric201720182019202020212022202320242025TTM
Combined Ratio97.91%148.28%54.66%26.26%144.53%112.9%73.91%86.55%50.92%40.82%
Medical Cost Ratio1.39%9.13%7.89%9.19%94.61%67.97%46.93%54.42%46.28%36.82%
Return on Equity (ROE)17.73%-4.65%14.14%20.36%-7.32%20.75%11.99%4.75%19.43%22.17%
Return on Assets (ROA)12.32%-4.02%11.29%16.08%-4.66%11.02%6.46%2.52%9.95%9.59%
Equity / Assets91.85%80.84%78.95%79.02%52.92%53.25%54.4%51.69%50.83%21.69%
Book Value / Share782.65813.251K1.24K1.22K1.39K1.8K2.03K2.45K624.67
Debt / Equity0.01x0.07x0.09x0.10x0.17x0.15x0.12x0.11x0.13x0.13x
Revenue Growth137.03%-1.26%142.05%0.25%-31.4%88.46%87.12%8.66%14.99%9.5%

WTM SEC Filings & Documents

White Mountains Insurance Group, Ltd. (WTM) SEC filings — annual & quarterly reports (10-K, 10-Q)

8-K Announcements

6
Material company update

May 6, 2026·SEC

Material company update

Apr 1, 2026·SEC

Material company update

Feb 26, 2026·SEC

10-K Annual Reports

3
FY 2026

Feb 27, 2026·SEC

FY 2025

Feb 28, 2025·SEC

FY 2024

Feb 26, 2024·SEC

10-Q Quarterly Reports

6
FY 2026

May 6, 2026·SEC

FY 2025

Nov 6, 2025·SEC

FY 2025

Aug 7, 2025·SEC

WTM Frequently Asked Questions

White Mountains Insurance Group, Ltd. (WTM) stock FAQ — growth, dividends, profitability & financials explained

Growth & Financials

White Mountains Insurance Group, Ltd. (WTM) grew revenue by 15.0% over the past year. This is steady growth.

Yes, White Mountains Insurance Group, Ltd. (WTM) is profitable, generating $1.05B in net income for fiscal year 2025 (40.9% net margin).

Dividend & Returns

White Mountains Insurance Group, Ltd. (WTM) does not currently pay a meaningful dividend. The company may be reinvesting profits for growth.

White Mountains Insurance Group, Ltd. (WTM) has a return on equity (ROE) of 19.4%. This is reasonable for most industries.

Industry Metrics

White Mountains Insurance Group, Ltd. (WTM) has a combined ratio of 50.9%. A ratio below 100% indicates underwriting profitability.

Explore More WTM

White Mountains Insurance Group, Ltd. (WTM) financial analysis — history, returns, DCA and operating performance tools

Total Return Calculator

Historical returns with dividends reinvested

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DCA Calculator

Dollar cost averaging vs lump sum

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Dividend History

Yield, growth, payout safety & DRIP

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Earnings History

EPS trends, net income & profitability

→

Price History

Long-term charts & historical price data

→

Revenue History

Sales growth patterns & revenue breakdown

→

Financial Ratios

30 years of market, efficiency and balance-sheet ratios

→

Valuation

DCF intrinsic value, peer multiples & estimates

→
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