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White Mountains Insurance Group, Ltd. (WTM)

2,269.99 +24.53 (+1.09%)
At close: October 30 at 4:00:53 PM EDT
2,269.01 -0.98 (-0.04%)
After hours: October 30 at 6:19:40 PM EDT
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Key Executives

Amounts are as of December 31, 2025 and compensation values are for the last fiscal year ending on that date. Pay is salary, bonuses, etc. Exercised is the value of options exercised during the fiscal year. Currency in USD.
Name Title Pay Exercised Year Born
Mr. Liam P. Caffrey
CEO & Director 2.19M -- 1973
Mr. Giles Edward Harrison
President 2.07M -- 1969
Ms. Michaela J. Hildreth
MD & Chief Accounting Officer 1.82M -- 1969
Mr. Robert Lawrence Seelig Esq.
Executive VP, General Counsel & Investor Relation 1.92M -- 1969
Mr. George Manning Rountree
Senior Advisor 2.11M -- 1972
Mr. Michael Papamichael
MD & CFO -- -- 1981
Mr. Jonathan Adam Cramer
Chief Investment Officer -- -- --
Ms. Jennifer L. Moyer
Chief Administrative Officer & Corporate Secretary -- -- 1972
Mr. David Grant Staples
Head of Tax 302.48k -- --
Mr. Dennis Beaulieu
Treasurer -- -- 1947

White Mountains Insurance Group, Ltd.

A.S. Cooper Building
Suite 601 26 Reid Street
Hamilton, HM 11
Bermuda
441 278 3160 https://www.whitemountains.com
Sector: 
Financial Services
Full Time Employees: 
1,648

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.

Corporate Governance

White Mountains Insurance Group, Ltd.’s ISS Governance QualityScore as of N/A is N/A. The pillar scores are Audit: N/A; Board: N/A; Shareholder Rights: N/A; Compensation: N/A.
Corporate governance scores courtesy of Institutional Shareholder Services (ISS) Scores indicate decile rank relative to index or region. A decile score of 1 indicates lower governance risk, while a 10 indicates higher governance risk.

Upcoming Events

November 5, 2026 at 1:30 PM UTC

White Mountains Insurance Group, Ltd. Earnings Date

Recent Events

August 27, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

August 26, 2026 at 12:00 AM UTC

N-PX: Annual Report of Proxy Voting Record of Registered Management Investment Companies filed on Form N-PX

August 6, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

June 30, 2026 at 12:00 AM UTC

11-K: Annual report of employee stock purchase

June 5, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

May 21, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

May 15, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

May 6, 2026 at 12:00 AM UTC

8-K: Corporate Changes & Voting Matters

April 1, 2026 at 12:00 AM UTC

DEF 14A: Proxy Statements

March 25, 2026 at 12:00 AM UTC

Dividend Date

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