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WTM

WTM

White Mountains Insurance Group, Ltd.Financial Services

Institutional holders
358
As of Q2 2026
Total 13F value
$4.7B
Sum of disclosed positions
New positions
40
This quarter
Sold positions
45
This quarter

Top holders

Institutions with disclosed positions in this stock

FundValueShares% PortfolioChange
DIMENSIONAL FUND ADVISORS LP

Dimensional Fund Advisors Lp

$329.6M159.0K0.06%+1.5%
Neuberger Berman Group LLC

Neuberger Berman Group Llc

$247M119.1K0.16%-4.5%
BlackRock, Inc.

Blackrock, Inc.

$244.4M117.9K0.00%+4.0%
River Road Asset Management, LLC

River Road Asset Management, Llc

$240.3M115.9K2.67%-3.9%
VANGUARD PORTFOLIO MANAGEMENT LLC

Vanguard Portfolio Management Llc

$232.2M112.0K0.01%-3.1%
VANGUARD CAPITAL MANAGEMENT LLC

Vanguard Capital Management Llc

$222.8M107.5K0.00%-1.5%
FULLER & THALER ASSET MANAGEMENT, INC.

Fuller & Thaler Asset Management, Inc.

$211.3M101.9K0.58%-2.5%
COOKE & BIELER LP

Cooke & Bieler Lp

$176.5M85.1K2.04%-18.8%
Wallace Capital Management Inc.

Wallace Capital Management Inc.

$166M80.1K18.20%+1.6%
FIDUCIARY MANAGEMENT INC /WI/

Fiduciary Management Inc /Wi/

$138M66.5K1.96%-21.8%
GENDELL JEFFREY L

Gendell Jeffrey L

$122.8M59.2K0.76%+56.7%
Boston Partners

Boston Partners

$115.3M55.6K0.06%-3.3%
LONDON CO OF VIRGINIA

London Co Of Virginia

$112.1M54.0K0.64%-5.4%
STATE STREET CORP

State Street Corporation

$104.2M50.3K0.00%+2.2%
GEODE CAPITAL MANAGEMENT, LLC

Geode Capital Management, Llc

$102.5M49.4K0.00%+17.3%
MORGAN STANLEY

Morgan Stanley

$97.2M46.9K0.00%-21.0%
REINHART PARTNERS, LLC.

Reinhart Partners, Inc.

$92.3M44.5K2.11%+19.0%
T. Rowe Price Investment Management, Inc.

T. Rowe Price Investment Management, Inc.

$71M34.2K0.05%-17.5%
LORD, ABBETT & CO. LLC

Lord, Abbett & Co. Llc

$68.1M32.8K0.19%-0.8%
AMERICAN CENTURY COMPANIES INC

American Century Companies Inc

$64.5M31.1K0.03%+274.4%
NORGES BANK

Norges Bank

$58M28.0K0.01%New Position
Cannell & Spears LLC

Spears Abacus Advisors Llc

$57.2M27.6K1.02%-1.6%
BANK OF AMERICA CORP /DE/

Bank Of America

$51.9M25.0K0.00%-11.7%
Sixth Street Partners Management Company, L.P.

Sixth Street Partners Management Company, L.P.

$48.7M23.5K0.01%New Position
CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Charles Schwab Investment Management Inc

$48.7M23.5K0.01%-3.0%
Mraz, Amerine & Associates, Inc.

Mraz, Amerine & Associates, Inc.

$46.1M22.2K6.61%+0.2%
Allspring Global Investments Holdings, LLC

Allspring Global Investments Holdings, Llc

$37.4M18.1K0.06%-2.7%
Gotham Asset Management, LLC

Gotham Asset Management

$37.2M17.9K0.09%+98.3%
BROWN ADVISORY INC

Brown Advisory Inc

$36.7M17.7K0.06%-0.7%
JANE STREET GROUP, LLC

Jane Street Group, Llc

$35.7M17.2K0.00%+24.8%
SOUTHEASTERN ASSET MANAGEMENT INC/TN/

Southeastern Asset Management Inc/Tn/

$35.5M17.1K1.65%-9.3%
UBS Group AG

Ubs Group Ag

$33.6M16.2K0.00%+55.1%
VANGUARD FIDUCIARY TRUST CO

Vanguard Fiduciary Trust Co

$31.8M15.3K0.01%+0.9%
RAYMOND JAMES FINANCIAL INC

Raymond James Financial Inc

$30.8M14.8K0.01%-38.1%
NORTHERN TRUST CORP

Northern Trust Corp

$30.2M14.6K0.00%-6.0%
WELLINGTON MANAGEMENT GROUP LLP

Wellington Management Group Llp

$30.1M14.5K0.00%-2.4%
CITADEL ADVISORS LLC

Citadel Advisors

$29.6M14.3K0.00%+174.2%
ENVESTNET ASSET MANAGEMENT INC

Envestnet Asset Management Inc

$28.7M13.8K0.01%-11.1%
Quantinno Capital Management LP

Quantinno Capital Management Lp

$26.2M12.6K0.03%+29.0%
ELKHORN PARTNERS LIMITED PARTNERSHIP

Elkhorn Partners Limited Partnership

$25.5M12.3K21.89%-3.0%
HORIZON KINETICS ASSET MANAGEMENT LLC

Horizon Kinetics Asset Management Llc

$25.3M12.2K0.29%-6.9%
GOLDMAN SACHS GROUP INC

Goldman Sachs Group

$25.2M12.2K0.00%-23.0%
BOUSSARD & GAVAUDAN GESTION SAS

Boussard & Gavaudan Gestion Sas

$24.5M11.7K1.23%New Position
VICTORY CAPITAL MANAGEMENT INC

Victory Capital Management Inc

$22.2M10.7K0.01%-4.1%
FIRST TRUST ADVISORS LP

First Trust Advisors Lp

$22M10.6K0.01%+246.8%
Qube Research & Technologies Ltd

Qube Research & Technologies Ltd

$20.1M9.7K0.02%+852.1%
SPEECE THORSON CAPITAL GROUP INC

Speece Thorson Capital Group Inc

$19.1M9.2K4.08%-1.9%
WELLS FARGO & COMPANY/MN

Wells Fargo & Company/Mn

$18.1M8.7K0.00%-0.8%
Bank of New York Mellon Corp

Bank Of New York Mellon Corp

$17.4M8.4K0.00%-0.4%
SEI INVESTMENTS CO

Sei Investments Co

$16.8M8.1K0.01%-26.9%

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