What is White Mountains Insurance Group's market cap?

White Mountains Insurance Group (WTM) has a market capitalization of $5.4B and trades on NYSE.

What is White Mountains Insurance Group's revenue and profitability?

White Mountains Insurance Group generated $3.7B in trailing twelve-month revenue with net income of $1.0B, representing a net margin of 28.4%. Gross margin stands at 94.9%. These figures are based on the Q1 2026 filing.

Who are White Mountains Insurance Group's competitors?

White Mountains Insurance Group's key competitors include Arch Capital Group Ltd., Assured Guaranty Ltd., Everest Group, Ltd., and others. These companies compete in similar markets and product categories.

Who does White Mountains Insurance Group partner with?

White Mountains Insurance Group's notable partners include Marsh & McLennan Companies, Inc., Arthur J. Gallagher & Co, Aon plc, and others.

What subsidiaries does White Mountains Insurance Group have?

White Mountains Insurance Group's subsidiaries include Ark Insurance Holdings Limited, HG Global Ltd., Kudu Investment Management, LLC, and others.

Where is White Mountains Insurance Group headquartered?

White Mountains Insurance Group is headquartered in Bermuda and employs approximately 782 people. It has been publicly traded since 1985.

White Mountains Insurance Group

WTM

Market cap

$5.43B+18.7%

Revenue$3.7B+69.3%

Net income$1.0B+165%

Trailing twelve months · change vs. prior year

Table of contents

Earnings

Q1 2026 report

May 6, 2026

Revenue$515.4MIn line EPS$12.59Beat by $16.59

Read the full report

Next report

Aug 6, 2026 (In 1 week)

Revenue estimate$570.2M

EPS estimate$75.00

Financials

Q1 2026

Income statement

See full

Revenue$517.8M-10.4%

Gross profit$475.1M-16.7%

Net income-$27.2M-180%

Balance sheet

See full

Total debt$834.8M+23.5%

Total equity$5.4B+19.2%

Total assets$13.2B+19.7%

Cash flow

See full

Operating cash flow$30.5M+176%

Valuation & ratios

Valuation

See full

Market cap$5.43B+18.7%

P/E5.2×—

P/S1.5×-0.4×

Profitability

See full

Gross margin94.9%-3.7pp

Net margin28.4%—

Returns & leverage

See full

Return on equity21.2%—

Debt / equity0.2×0.0×

Segments

By segment

See full

P&C Insurance and Reinsurance (Ark/WM Outrigger)$376.3M-8.9%

Asset Management (Kudu)$63.0M-1.3%

Specialty Insurance Distribution (Distinguished)$40.3M—

Financial Guarantee (HG Global)$17.2M-46.4%

P&C Insurance Distribution (Bamboo)--100%

Competitors

By market cap

Berkshire Hathaway$1.07T+3.3%

Arthur J. Gallagher$65.1B-17.8%

Arch Capital Group$36.3B+12.0%

Everest Group$15.4B+9.3%

White Mountains Insurance Group$5.4B+18.0%

Assured Guaranty$3.8B-8.0%

SiriusPoint$3.0B+32.5%

Skyward Specialty Insurance Group, Inc.$2.5B+20.9%

By revenue growth

White Mountains Insurance Group+69.3%

Skyward Specialty Insurance Group, Inc.+28.8%

Arthur J. Gallagher+24.5%

SiriusPoint+22.9%

Arch Capital Group+8.8%

Assured Guaranty+5.6%

Berkshire Hathaway+1.1%

Everest Group-0.6%

By net margin

Assured Guaranty40.45%-5.1pp

White Mountains Insurance Group28.44%+10.3pp

Arch Capital Group24.63%+3.9pp

Berkshire Hathaway19.31%-2.5pp

SiriusPoint15.38%+8.4pp

Everest Group11.76%-0.7pp

Skyward Specialty Insurance Group, Inc.11.36%+1.1pp

Arthur J. Gallagher10.76%-2.2pp

Profile

White Mountains Insurance Group is a financial services holding company that specializes in the opportunistic acquisition and active management of businesses within the insurance and financial services sectors. The company focuses on building long-term value through its subsidiaries and seeks to maximize risk-adjusted returns by disposing of assets when attractive exit valuations are available.

Competitive position

A value-oriented investor and operator that leverages a flexible capital structure to acquire niche insurance and financial service assets.

GeographiesBermuda, United Kingdom, United States, Global

Customer segmentsFinancial Institutions, Commercial Enterprises, Government Agencies

Business modelHolding Company, Insurance Underwriting, Investment Management, B2B Services

SuppliersThird-party capital providers, Actuarial data services, Financial markets, Regulatory bodies

CustomersInsurance brokers, Managing General Agents (MGAs), Ceding insurance companies, Institutional investors

CountryBermuda

Listed1985

Employees782.0

CEOLiam Caffrey

SectorFinancial Services

IndustryInsurance - Property & Casualty

Websitewhitemountains.com

FilingsSEC EDGAR

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Questions, answered.

What is White Mountains Insurance Group's market cap?: White Mountains Insurance Group (WTM) has a market capitalization of $5.4B and trades on NYSE.
What is White Mountains Insurance Group's revenue and profitability?: White Mountains Insurance Group generated $3.7B in trailing twelve-month revenue with net income of $1.0B, representing a net margin of 28.4%. Gross margin stands at 94.9%. These figures are based on the Q1 2026 filing.
Who are White Mountains Insurance Group's competitors?: White Mountains Insurance Group's key competitors include Arch Capital Group Ltd., Assured Guaranty Ltd., Everest Group, Ltd., and others. These companies compete in similar markets and product categories.
Who does White Mountains Insurance Group partner with?: White Mountains Insurance Group's notable partners include Marsh & McLennan Companies, Inc., Arthur J. Gallagher & Co, Aon plc, and others.
What subsidiaries does White Mountains Insurance Group have?: White Mountains Insurance Group's subsidiaries include Ark Insurance Holdings Limited, HG Global Ltd., Kudu Investment Management, LLC, and others.
Where is White Mountains Insurance Group headquartered?: White Mountains Insurance Group is headquartered in Bermuda and employs approximately 782 people. It has been publicly traded since 1985.