White Mountains Insurance Group Ownership | Who Owns White Mountains Insurance Group?


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White Mountains Insurance Group Ownership Summary


White Mountains Insurance Group is owned by 43.20% institutional investors, 4.24% insiders, and 52.56% retail investors. Vanguard group is the largest institutional shareholder, holding 9.94% of WTM shares. FullerThaler Behavioral Small-Cap Value is the top mutual fund, with 4.02% of its assets in White Mountains Insurance Group shares.

WTM Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockWhite Mountains Insurance Group43.20%4.24%52.56%
SectorFinancial Services Stocks 40.29%14.61%45.11%
IndustryProperty & Casualty Insurance Stocks52.55%13.48%33.97%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Vanguard group251.74K9.94%$489.65M
Morgan stanley184.94K7.31%$336.11M
Dimensional fund advisors lp157.40K6.21%$306.14M
Blackrock funding, inc. /de118.48K4.68%$230.46M
Blackrock116.45K4.60%$211.65M
Fuller & thaler asset management114.08K4.50%$221.89M
River road asset management112.42K4.44%$218.65M
Boston partners87.67K3.46%$158.85M
Wallace capital management80.16K3.16%$155.91M
London co of virginia66.46K2.63%$120.78M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Wallace capital management80.16K21.30%$155.91M
Elkhorn partners limited partnership15.08K19.26%$29.33M
Mraz, amerine & associates21.07K7.30%$40.98M
Speece thorson capital group11.34K4.35%$22.06M
River road asset management112.42K2.91%$218.65M
Reinhart partners38.27K2.86%$74.44M
Cove street capital1.07K2.42%$2.07M
Southeastern asset management inc/tn/19.24K1.77%$37.43M
Phocas financial864.001.25%$1.68M
Spears abacus advisors28.73K1.15%$55.87M

Top Buyers

HolderShares% AssetsChange
Cooke & bieler lp34.07K0.64%34.07K
Raymond james financial32.47K0.02%32.47K
Norges bank30.67K0.01%30.67K
Proficio capital partners23.34K0.00%23.34K
Neuberger berman group45.44K0.07%12.33K

Top Sellers

HolderShares% AssetsChange
Global assets advisory---134.53K
Fmr697.000.00%-21.50K
Wellington management group llp49.93K0.02%-10.75K
Fuller & thaler asset management114.08K0.84%-8.20K
Select equity group27.60K0.21%-7.06K

New Positions

HolderShares% AssetsChangeValue
Cooke & bieler lp34.07K0.64%34.07K$66.27M
Raymond james financial32.47K0.02%32.47K$63.16M
Norges bank30.67K0.01%30.67K$59.66M
Proficio capital partners23.34K0.00%23.34K$23.34K
Wcm investment management11.65K0.05%11.65K$22.48M

Sold Out

HolderChange
Ifp advisors-1.00
English capital management-1.00
Frazier financial advisors-2.00
Sjs investment consulting-2.00
Reuter james wealth management-2.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 2024211-30.13%1,094,088-50.61%430.56%90-33.33%56-31.71%
Sep 30, 2024301-1.31%2,214,252-2.82%871.08%134-0.74%82-5.75%
Jun 30, 2024299-1.32%2,275,987-3.80%891.03%1320.76%86-9.47%
Mar 31, 20243033.41%2,365,9314.13%931.16%1312.34%95-6.86%
Dec 31, 20232938.52%2,272,0290.73%891.12%12812.28%10222.89%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
FullerThaler Behavioral Small-Cap Value103.14K4.02%-6.84K
Undiscovered Managers Behavioral Val L97.99K3.81%-400.00
Vanguard US Total Market Shares ETF77.46K3.01%88.00
Vanguard Total Stock Mkt Idx Inv76.99K3.00%66.00
Vanguard Small Cap Index62.24K2.43%42.00
Vanguard Small Cap Value Index Inv41.04K1.60%-145.00
Vanguard Institutional Extnd Mkt Idx Tr38.48K1.50%48.00
DFA US Small Cap Value I37.22K1.45%-59.00
Calvert US Small-Cap Strategy34.20K1.33%664.00
Calvert Small-Cap A34.20K1.33%-

Recent Insider Transactions


DateNameRoleActivityValue
Nov 17, 2023Hicks Weston M-Buy$16.32K
Nov 17, 2023Hicks Weston M-Buy$856.85K
Nov 17, 2023Hicks Weston M-Buy$177.21K
Nov 17, 2023Hicks Weston M-Buy$76.76K
Nov 17, 2023Hicks Weston M-Buy$353.42K

Insider Transactions Trends


DateBuySell
2025 Q1--
2024 Q4--
2024 Q2--
2024 Q1--
2023 Q410-

WTM Ownership FAQ


Who Owns White Mountains Insurance Group?

White Mountains Insurance Group shareholders are primarily institutional investors at 43.20%, followed by 4.24% insiders and 52.56% retail investors. The average institutional ownership in White Mountains Insurance Group's industry, Property & Casualty Insurance Stocks, is 52.55%, which White Mountains Insurance Group falls below.

Who owns the most shares of White Mountains Insurance Group?

White Mountains Insurance Group’s largest shareholders are Vanguard group (251.74K shares, 9.94%), Morgan stanley (184.94K shares, 7.31%), and Dimensional fund advisors lp (157.4K shares, 6.21%). Together, they hold 23.46% of White Mountains Insurance Group’s total shares outstanding.

Does Blackrock own White Mountains Insurance Group?

Yes, BlackRock owns 4.60% of White Mountains Insurance Group, totaling 116.46K shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 211.65M$. In the last quarter, BlackRock increased its holdings by 1.48K shares, a 1.29% change.

Who is White Mountains Insurance Group’s biggest shareholder by percentage of total assets invested?

Wallace capital management is White Mountains Insurance Group’s biggest shareholder by percentage of total assets invested, with 21.30% of its assets in 80.16K White Mountains Insurance Group shares, valued at 155.91M$.

Who is the top mutual fund holder of White Mountains Insurance Group shares?

FullerThaler Behavioral Small-Cap Value is the top mutual fund holder of White Mountains Insurance Group shares, with 4.02% of its total shares outstanding invested in 103.14K White Mountains Insurance Group shares.

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