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White Mountains Insurance Group, Ltd. logo

White Mountains Insurance Group, Ltd.

WTM
NYSE: WTM Delayed
2,206.00USD -2.6%
As of 5 June 2026, White Mountains Insurance Group, Ltd. has a market cap of $5.39B USD, ranking #3556 globally and #1054 in the United States. It ranks #594 in the Financial Services sector, and #65 in the Insurance - Diversified industry.
Global Rank
3556
Country Rank
1054
Sector Rank
594
Industry Rank
65
Key Stats
Market Cap
$5.39BUSD
Enterprise Value
$6.1BUSD
Revenue (TTM)
$3.74BUSD
EBITDA (TTM)
$1.6BUSD
Net Income (TTM)
$1.09BUSD
EBITDA Margin
43%
Profit Margin
30%
PE Ratio
5.3
PS Ratio
1.4
PB Ratio
1.0
EV/EBITDA
3.8
Company Profile
Country (HQ)
Sector
Financial Services
Industry
Insurance - Diversified
CEO
Liam Caffrey open_in_new
Employees
1,648
Founded
1980
Website
whitemountains.com open_in_new
1d 1w 1m 3m 6m 1y
-2.6% -2.8% 2.4% 8.2% 16% 25%

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Markets

Exchange Ticker Price
NYSE
MIC: XNYS
PRIMARY
WTM
White Mountains Insurance Group Ltd
ISIN: BMG9618E1075
Shares Out.:
2.477M1 Shares Float: 2.4M2
TV:
SA:
YF:
WTM
GF:
NQ:
WTM
BA:
WTM
MS:
2,206.00 USD
Frankfurt Stock Exchange
MIC: XFRA
WNI
White Mountains Insurance Group Ltd
ISIN: BMG9618E1075
Shares Out.:
2.467M1 Shares Float: 2.395M2
TV:
SA:
YF:
GF:
BA:
WNI
MS:
1,930.00 EUR
1Market cap is calculated using shares outstanding.
2Float shares are publicly tradable shares, excluding insider-held stock.

About White Mountains Insurance Group, Ltd.

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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