White Mountains Insurance Group Overview
- Year Founded
-
1980

- Status
-
Public
- Employees
-
893

- Stock Symbol
-
WTM

- Investments
-
43
- Share Price
-
$1.83K
- (As of Tuesday Closing)
White Mountains Insurance Group General Information
Description
White Mountains Insurance Group Ltd is engaged in the business of making opportunistic and value-oriented acquisitions of businesses and assets in the insurance, financial services, and related sectors, operating these businesses and assets through its subsidiaries and, if and when attractive exit valuations become available, disposing of these businesses and assets. The company conducts its business in five areas: property and casualty insurance and reinsurance, municipal bond reinsurance, capital solutions for asset and wealth management firms, property and casualty insurance distribution, and other operations.
Contact Information
Website
www.whitemountains.comCorporate Office
- 26 Reid Street
- Suite 601
- Hamilton, HM 11
- Bermuda
Corporate Office
- 26 Reid Street
- Suite 601
- Hamilton, HM 11
- Bermuda
White Mountains Insurance Group Stock Performance
As of 20-May-2025, White Mountains Insurance Group’s stock price is $1.83K. Its current market cap is $4.71B with 2.57M shares.
(As of Tuesday Closing)
Stock Price | Previous Close | 52 wk Range | Market Cap | Shares | Average Volume | EPS |
---|---|---|---|---|---|---|
$1.83K | $1.82K | $1.67K - $2.02K | $4.71B | 2.57M | 15.7K | $10.85 |
White Mountains Insurance Group Financials Summary
As of 31-Mar-2025, White Mountains Insurance Group has a trailing 12-month revenue of $2.28B.
In Thousands, USD |
TTM 31-Mar-2025 | FY 2024 31-Dec-2024 | FY 2023 31-Dec-2023 | FY 2022 31-Dec-2022 |
---|---|---|---|---|
EV | 5,893,449 | 5,914,302 | 4,470,506 | 4,171,742 |
Revenue | 2,284,800 | 2,354,300 | 2,166,700 | 1,157,900 |
EBITDA | 219,900 | 377,500 | 628,100 | (104,800) |
Net Income | 27,900 | 230,400 | 509,200 | 792,800 |
Total Assets | 11,004,900 | 9,925,600 | 8,385,900 | 7,389,300 |
Total Debt | 676,100 | 562,500 | 564,600 | 575,200 |
White Mountains Insurance Group Valuation & Funding
Deal Type | Date | Amount | Valuation/ EBITDA |
Post-Val | Status | Debt |
---|
White Mountains Insurance Group Comparisons
Industry
Financing
Details
White Mountains Insurance Group Competitors (6)
One of White Mountains Insurance Group’s 6 competitors is SterlingRisk, a Private Equity-Backed company based in Woodbury, NY.
Company Name | Financing Status | Location | Employees | Total Raised | Last Financing Date/Type | Last Financing Amount |
---|---|---|---|---|---|---|
SterlingRisk | Private Equity-Backed | Woodbury, NY | ||||
Aon | Corporation | London, United Kingdom | ||||
USI Insurance Services | Private Equity-Backed | Valhalla, NY | ||||
Aviva (Multi-line Insurance) | Corporation | London, United Kingdom | ||||
Hub International | Private Equity-Backed | Chicago, IL |
White Mountains Insurance Group Signals
White Mountains Insurance Group Investments & Acquisitions (43)
White Mountains Insurance Group’s most recent deal was a Buyout/LBO with BroadStreet Partners. The deal was made on 10-Apr-2025.
Company Name | Deal Date | Deal Type | Deal Size | Industry | Lead Partner |
---|---|---|---|---|---|
BroadStreet Partners | 10-Apr-2025 | Buyout/LBO | Insurance Brokers | ||
Bamboo (Insurance Brokers) | 02-Jan-2024 | Merger/Acquisition | Insurance Brokers | ||
Pie Insurance | 21-Sep-2022 | Later Stage VC | Commercial/Professional Insurance | ||
Ark Syndicate Management | 01-Jan-2021 | Merger/Acquisition | Other Insurance | ||
Plans' Liability Insurance Company | 09-Dec-2019 | Merger/Acquisition | Multi-line Insurance |
White Mountains Insurance Group ESG
Risk Overview
Risk Rating
Updated April, 24, 2025
22.54 | Med Risk
Risk Scale
A lower score indicates better sustainability
Negl
0-10
Low
10-20
Med
20-30
High
30-40
Severe
40+
Exposure
Exposure refers to the extent to which a company is exposed to different material ESG issues
Management
Management is related to actions taken to manage ESG issues
Peers Analysis
Peer performance insights compare the company’s ESG performance to the performance of selected peers to help inform future ESG decisions and drive internal performance improvements.
Global
Covered Companies
of 14,631
Rank
Percentile

Insurance
Industry
of 299
Rank
Percentile

Diversified Insurance Services
Subindustry
of 70
Rank
Percentile

White Mountains Insurance Group Exits (19)
White Mountains Insurance Group’s most recent exit was on 04-Jan-2019 from Noblr. The exit was categorized as with 3 buyers.
Company Name | Exit Date | Exit Type | Exit Size | Status | Buyers |
---|---|---|---|---|---|
Noblr | 04-Jan-2019 | Completed |
|
||
NSM Insurance Group | 11-May-2018 | Completed |
|
||
Buzzmove | 04-Aug-2016 | Completed |
|
||
Vidado | 19-Jan-2016 | Completed |
|
||
OneTitle National Guaranty Company | 22-Apr-2015 | Corporate | Completed |
White Mountains Insurance Group Affiliates
Subsidiaries (7)
Name | Industry | Location | Year Founded |
---|---|---|---|
Bamboo (Insurance Brokers) | Midvale, UT | 2018 | |
Kudu Investment Management | New York, NY | 2015 | |
PassportCard | London, United Kingdom | 2012 | |
Wobi Insurance Agency | Tel Aviv, Israel | 2009 | |
Ark Syndicate Management | London, United Kingdom | 2007 |
White Mountains Insurance Group FAQs
-
When was White Mountains Insurance Group founded?
White Mountains Insurance Group was founded in 1980.
-
Where is White Mountains Insurance Group headquartered?
White Mountains Insurance Group is headquartered in Hamilton, Bermuda.
-
What is the size of White Mountains Insurance Group?
White Mountains Insurance Group has 893 total employees.
-
What industry is White Mountains Insurance Group in?
White Mountains Insurance Group’s primary industry is Multi-line Insurance.
-
Is White Mountains Insurance Group a private or public company?
White Mountains Insurance Group is a Public company.
-
What is White Mountains Insurance Group’s stock symbol?
The ticker symbol for White Mountains Insurance Group is WTM.
-
What is the current stock price of White Mountains Insurance Group?
As of 20-May-2025 the stock price of White Mountains Insurance Group is $1.83K.
-
What is the current market cap of White Mountains Insurance Group?
The current market capitalization of White Mountains Insurance Group is $4.71B.
-
What is White Mountains Insurance Group’s current revenue?
The trailing twelve month revenue for White Mountains Insurance Group is $2.28B.
-
Who are White Mountains Insurance Group’s competitors?
SterlingRisk, Aon, USI Insurance Services, Aviva (Multi-line Insurance), and Hub International are some of the 6 competitors of White Mountains Insurance Group.
-
What is White Mountains Insurance Group’s annual earnings per share (EPS)?
White Mountains Insurance Group’s EPS for 12 months was $10.85.
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