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NYSE: WTM
White Mountains Insurance Group Ltd Stock Ownership - Who owns White Mountains Insurance Group?

Insider buying vs selling

Have White Mountains Insurance Group Ltd insiders been buying or selling?
Buy
Sell
NameRoleDateSharesPriceValue
Reid Tarlton CampbellPresident2024-01-01710$1.51k
$1.07MSell
Michaela HildrethMD Chief Accounting Officer2024-01-01261$1.51k
$392.81kSell
George Manning RountreeChief Executive Officer2024-01-011,068$1.51k
$1.61MSell
Robert Lawrence SeeligEVP General Counsel2024-01-01399$1.51k
$600.50kSell
Weston M. HicksDirector2023-11-1711$1.48k
$16.32kBuy
Weston M. HicksDirector2023-11-17238$1.48k
$353.42kBuy
Weston M. HicksDirector2023-11-1711$1.48k
$16.32kBuy
Weston M. HicksDirector2023-11-17579$1.48k
$856.85kBuy
Weston M. HicksDirector2023-11-17579$1.48k
$856.85kBuy
Weston M. HicksDirector2023-11-17120$1.48k
$177.21kBuy

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Net Insider Buy/Sell (L12M) Ownership

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WTM Shareholders

What type of owners hold White Mountains Insurance Group Ltd stock?
Institutional
Insider
Retail
NameHoldSharesValueType
John Joseph Byrne30.90%789,535$1.44BInsider
John Davies Gillespie11.86%303,039$552.66MInsider
Vanguard Group Inc9.92%253,419$462.17MInstitution
Morgan Stanley7.75%198,001$361.10MInstitution
Dimensional Fund Advisors LP6.34%161,957$295.37MInstitution
Fuller Thaler Asset Management Inc5.07%129,520$236.21MInstitution
River Road Asset Management LLC4.98%127,152$231.89MInstitution
Blackrock Inc4.41%112,694$205.52MInstitution
Boston Partners3.62%92,552$168.79MInstitution
Berkshire Hathaway Inc3.49%89,279$162.82MInsider

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WTM vs Property & Casualty Insurance Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
WTM61.07%38.93%Net Selling
THG86.32%5.19%Net SellingNet Selling
KMPR62.85%37.15%Net BuyingNet Selling
SIGI82.57%4.26%Net SellingNet Selling
MCY41.60%35.76%Net Buying

White Mountains Insurance Group Stock Ownership FAQ

Who owns White Mountains Insurance Group?

White Mountains Insurance Group (NYSE: WTM) is owned by 88.91% institutional shareholders, 56.66% White Mountains Insurance Group insiders, and 0.00% retail investors. John Joseph Byrne is the largest individual White Mountains Insurance Group shareholder, owning 789,535.00 shares representing 30.90% of the company. John Joseph Byrne's White Mountains Insurance Group shares are currently valued at $1.44B.

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