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    1. Companies
    2. WTM
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    White Mountains Insurance Group, Ltd.

    WTM
    NYSE
    Financial Services
    Insurance - Property & Casualty
    Hamilton, BM893 employeeswhitemountains.com
    $2168.26
    -10.18(-0.47%)

    Mkt Cap $5.4B

    $1650.50
    $2244.14

    52-Week Range

    At a Glance

    AI-generated

    White Mountains Insurance Group reported strong financial results for fiscal year 2025, driven by a significant gain from the sale of the Bamboo Group.

    Revenue breakdown: Ark Insurance Holdings Limited WM Outrigger Re Segment (82.3%), Kudu Investment Management LLC Segment (7.5%), Bamboo Insurance Services LLC Segment (6.7%).

    8-K
    White Mountains Partners LLC completed the acquisition of a majority interest in BaseSix Systems LLC for an approximate $97 million equity investment.

    $5.4B

    Market Cap

    $2.6B

    Revenue

    $1.1B

    Net Income

    Employees893
    Fundamentals

    How The Business Makes Money

    Revenue by Segment

    Ark Insurance Holdings Limited WM Outrigger Re Segment82.3%($5.3B)
    Kudu Investment Management LLC Segment7.5%($479M)
    Bamboo Insurance Services LLC Segment6.7%($426M)
    HG Global BAM Segment2.6%($166M)
    Distinguished Partners Segment0.9%($58M)
    Activity

    What Changed Recently

    Financial Results
    Feb 5, 2026

    . RESULTS OF OPERATIONS AND FINANCIAL CONDITION. On February 6, 2026 , White Mountains Insurance Group, Ltd. issued a press release announcing its results for t

    Other Event
    Mar 31, 2026

    Other Events. White Mountains Insurance Group, Ltd. (NYSE: WTM ) (“White Mountains”) announced that White Mountains Partners LLC (“WTM Partners”) has completed

    Other Event
    Feb 25, 2026

    . OTHER EVENTS. On February 26, 2026, White Mountains Insurance Group, Ltd. (NYSE: WTM) (“White Mountains”), RedBird Capital Partners (“RedBird”), and Bishop St

    Other Event
    Jan 6, 2026

    Other Events. White Mountains Insurance Group, Ltd. (NYSE: WTM) (“White Mountains”) announced today that Ark Insurance Holdings Limited (“Ark”), its specialty p

    Company Profile
    CIK0000776867
    ISINBMG9618E1075
    CUSIPG9618E107
    Phone16036402200
    AddressA.S. Cooper Building, Hamilton, HM 11, BM
    SEC EDGAR

    Market

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    SEC Filings

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    • Current Reports
    • IPO Filings

    Ownership

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    About

    • Data updates every 5 min
    • SEC EDGAR Source
    © 2025–2026 StockGist|Information only, not investment advice