WTM

White Mountains Insurance Group Ltd

WTM.US whitemountains.com + Research + Basket
CIK 0000776867
ISIN BMG9618E1075
CUSIP 360768105
Employees 1,648
Phone 441 278 3160
Fiscal year end December
IPO May 09, 1986
Address A.S. Cooper Building, Hamilton, Bermuda, HM 11
2,212.20
-15.14 (-0.68%)
USD · NYSE
52-week range
1,862.75
2,333.00
Trading at 74% of the 52-week range
Market Cap
5.28B
P/E Ratio
5.07
Forward P/E
13.87
Book Value
2,287.97
Div. Yield
0.04%
% Institutions
96.41%
% Insiders
3.22%

1 Year

+14.5%

3 Year

+53.1%

10 Year

+169.0%
Description

White Mountains Insurance Group, Ltd. provides insurance services in the United States, the United Kingdom, Bermuda, and internationally. It operates through Ark/WM Outrigger, HG Global, Kudu, Distinguished, and Other Operations segments. The company offers property insurance and reinsurance; specialty insurance and reinsurance consisting of aviation, contingency, cyber, fine art and specie, mortgage, nuclear, political and credit, space, surety, and terrorism and political violence; marine and energy insurance and reinsurance; casualty insurance and reinsurance, such as medical malpractice, and professional and general liability; and accident and health insurance and reinsurance, which includes personal accident, sickness, disability, travel, short-term life, and medical products through brokers, managing general agents (MGA), and reinsurance intermediaries. It also provides municipal bond guarantee reinsurance, which focuses on single risk limits for small-to-medium sized, and public investment grade municipal bonds that are issued to finance public purpose projects, including schools, utilities, and transportation facilities. In addition, the company offers capital solutions for boutique asset and wealth managers for generational ownership transfers, management buyouts, acquisition and growth finance, and legacy partner liquidity; strategic advice; investment management; and specialty electrical contracting services. Further, it operates as a full-service MGA and program administrator for specialty property and casualty insurance for the real estate and hospitality end markets, and start-up programs; and an MGA for leisure travel and global expatriate medical insurance in Israel, the European Union, and Australia. The company was formerly known as Fund American Enterprises Holdings, Inc. and changed its name to White Mountains Insurance Group, Ltd. in 1999. White Mountains Insurance Group, Ltd. was incorporated in 1980 and is headquartered in Hamilton, Bermuda.

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People

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Directors & Officers

Name Title Year Born
Mr. Liam P. Caffrey CEO & Director 1973
Mr. Giles Edward Harrison President 1969
Ms. Michaela J. Hildreth MD & Chief Accounting Officer 1969
Mr. Robert Lawrence Seelig Esq. Executive VP, General Counsel & Investor Relation 1969
Mr. George Manning Rountree Senior Advisor 1972
Mr. Michael Papamichael MD & CFO 1981
Mr. Jonathan Adam Cramer Chief Investment Officer NA
Ms. Jennifer L. Moyer Chief Administrative Officer & Corporate Secretary 1972
Mr. David Grant Staples Head of Tax NA
Mr. Dennis Beaulieu Treasurer 1947

Insider Trading

Open insider trading
Date Insider Name Title Transaction Type Shares Price Value SEC
Dec 16, 2025 Philip A Gelston N/A Sale 165.00 $2.05K $338.00K SEC

Shareholders

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Institutional Holders

Holder Name Shares Date Reported % Out Value % Change
Dimensional Fund Advisors, Inc. 158.95K Jun 30, 2026 6.66% $0.06 1.49%
Neuberger Berman Group LLC 119.14K Jun 30, 2026 4.99% $0.16 -4.47%
BlackRock Inc 117.87K Jun 30, 2026 4.94% $0.00 4.01%
River Road Asset Management, LLC 115.88K Jun 30, 2026 4.86% $2.67 -3.85%
Vanguard Portfolio Management, LLC 111.97K Jun 30, 2026 4.69% $0.01 -3.10%
Vanguard Capital Management, LLC 107.48K Jun 30, 2026 4.50% $0.00 -1.54%
Fuller & Thaler Asset Management Inc 101.89K Jun 30, 2026 4.27% $0.58 -2.55%
Cooke & Bieler LP 85.12K Jun 30, 2026 3.57% $2.04 -18.82%
Wallace Capital Management, INC. 78.80K Mar 31, 2026 3.30% $19.88 -1.93%
Fiduciary Management, Inc. of Milwaukee 66.55K Jun 30, 2026 2.79% $1.96 -21.77%
Gendell Jeffrey L 59.24K Jun 30, 2026 2.48% $1.08 56.67%
Boston Partners Global Investors, Inc 55.57K Jun 30, 2026 2.33% $0.10 -3.29%
London Company of Virginia 54.03K Jun 30, 2026 2.26% $0.64 -5.44%
State Street Corp 50.26K Jun 30, 2026 2.11% $0.00 2.24%
Geode Capital Management, LLC 49.41K Jun 30, 2026 2.07% $0.01 17.32%
Morgan Stanley - Brokerage Accounts 46.87K Jun 30, 2026 1.96% $0.01 -20.96%
Reinhart Mahoney Capital Management Inc 43.96K Sep 30, 2026 1.84% $2.15 -1.17%
T. Rowe Price Investment Management,Inc. 34.24K Jun 30, 2026 1.43% $0.05 -17.53%
Lord, Abbett & Co LLC 32.83K Jun 30, 2026 1.38% $0.19 -0.85%
American Century Companies Inc 31.11K Jun 30, 2026 1.30% $0.03 274.43%

Fund Holdings

Rank Holder Name Shares Held % of Shares Change Date Reported
1 Undiscovered Managers Behavioral Val L 79.57K 3.33% ▼ 1.85% Aug 31, 2026
2 Vanguard MStar Total Stk Mkt Idx Invest 71.27K 2.99% ▼ 4.70% Sep 30, 2026
3 Neuberger Genesis Inv 68.66K 2.88% ▲ 0.70% Sep 30, 2026
4 Vanguard Small Cap Index 50.99K 2.14% ▼ 5.84% Sep 30, 2026
5 Vanguard Selected Value Inv 34.93K 1.46% ▼ 10.99% Jun 30, 2026
6 Avantis US Small Cap Value ETF 34.92K 1.46% ▲ 0.21% Sep 30, 2026
7 DFA US Small Cap Value I 33.31K 1.40% ▲ 0.00% Aug 31, 2026
8 Vanguard MStar Small Cap Value Index 33.22K 1.39% ▼ 3.39% Sep 30, 2026
9 FMI Common Stock Investor 33.00K 1.38% ▼ 17.50% Jun 30, 2026
10 Robeco BP US Premium Equities IH € 30.96K 1.30% ▲ 1.61% Aug 31, 2026

Financial Highlights

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Market Cap: $5.28B
EBITDA: $748.60M
P/E Ratio: $5.07
PEG Ratio: $0.81
Book Value: $2.29K
Dividend/Share: $1.00
Dividend Yield: 0.04%
Earnings/Share: $436.50
Profit Margin: 37.66%
Operating Margin: 36.41%
ROA (TTM): 3.55%
ROE (TTM): 20.36%
Revenue (TTM): $2.98B
Revenue/Share (TTM): $1.20K
Earnings Growth (YOY): 68.80%
Revenue Growth (YOY): 22.50%

Valuation Metrics

Enterprise Value: $6.15B
Trailing P/E: 5.07
Forward P/E: 13.87

Shares Statistics

Shares Outstanding: 2.39M
Shares Float: 2.28M
% Insiders: 3.22%
% Institutions: 96.41%
Short % Float: 6.04%

Stock Price History

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1 Year Price History

3 Years Price History

10 Years Price History

Max Price History

Financial Charts

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Open balance sheet Open capital intensity Download Financials (Excel)

Revenue, Net Income & Operating Cash Flow (Yearly)

Change % vs Prior Year

Revenue, Net Income & Operating Cash Flow (Quarterly)

Change % vs Prior Quarter

Operating Expenses (Yearly)

Operating Expenses (Quarterly)

Balance Sheet (Yearly)

Balance Sheet (Quarterly)

Assets Breakdown (Yearly)

Assets Breakdown (Quarterly)

Liabilities Breakdown (Yearly)

Liabilities Breakdown (Quarterly)

Income Statement Waterfall

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Open full waterfall Open balance sheet
Line Item
Step Type
Value
Revenue
adjust
$2.71B
Cost of Goods Sold
adjust
$-1.25B
Gross Profit
subtotal
$1.45B
SG&A
adjust
$-700.20M
Operating Income
subtotal
$1.33B
Other / Non-Operating Items
adjust
$-222.30M
Net Income
subtotal
$1.11B

Earnings Per Share (EPS) History

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Financial Ratios

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📦 Raw API Data (JSON Explorer)

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