Who owns White Mountains Insurance Gp?
- Ticker: WTM
- CUSIP Number: G9618E107
Tip: Access positions for across all investors
Analyze quarterly positions in White Mountains Insurance Gp with up to 7 years of data, all consolidated into one spreadsheet
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Top investors of White Mountains Insurance Gp stock
Who bought or sold White Mountains Insurance Gp this quarter?
| Fund or Company Name | Shares Held | Valued At | Change in Shares | As Of | Actions |
|---|---|---|---|---|---|
| Vanguard Group | 236k | $490M | -5% | Dec 2025 |
|
| Dimensional Fund Advisors | 157k | $325M | 0% | Dec 2025 |
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| Neuberger Berman Group | 130k | $269M | 13% | Dec 2025 |
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| River Road Asset Management | 121k | $251M | 10% | Dec 2025 |
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| BlackRock | 112k | $233M | 0% | Dec 2025 |
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| Hanna Zanoni | 108k | $225M | 0% | Dec 2025 |
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| Cooke & Bieler | 107k | $222M | -1% | Dec 2025 |
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| Fiduciary Management | 90k | $188M | -4% | Dec 2025 |
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| Wallace Capital Management | 82k | $136M | 3% | Sep 2025 |
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| Robeco Investment Management | 77k | $160M | -9% | Dec 2025 |
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| London Company | 67k | $112M | -3% | Sep 2025 |
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| State Street Corporation | 51k | $105M | -7% | Dec 2025 |
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| T. Rowe Price Investment Management | 45k | $93M | -7% | Dec 2025 |
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| Reinhart Mahoney Capital Management | 44k | $91M | 6% | Dec 2025 |
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| Geode Capital Management | 42k | $86M | -1% | Dec 2025 |
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| Lord, Abbett & Co | 34k | $70M | -8% | Dec 2025 |
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| Jeffrey L. Gendell | 33k | $68M | 100% | Dec 2025 |
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| Norges Bank Investment Management | 32k | $67M | 100% | Dec 2025 |
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| Southeastern Asset Management | 32k | $66M | 0% | Dec 2025 |
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| Spears Abacus Advisors | 28k | $47M | 0% | Sep 2025 |
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| Raymond James Financial | 24k | $50M | -18% | Dec 2025 |
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| Charles Schwab Investment Management | 23k | $48M | -4% | Dec 2025 |
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| Mraz, Amerine & Associates | 23k | $47M | 0% | Dec 2025 |
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| Allspring Global Investments Holdings | 20k | $41M | -36% | Dec 2025 |
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| Select Equity | 20k | $41M | 16% | Dec 2025 |
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| Wellington Management Company | 19k | $32M | -22% | Sep 2025 |
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| Brown Advisory Holdings Incorporated | 19k | $39M | -7% | Dec 2025 |
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| Northern Trust | 17k | $35M | -6% | Dec 2025 |
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| Envestnet Asset Management | 16k | $33M | -10% | Dec 2025 |
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| Elkhorn Partners Limited Partnership | 15k | $25M | -1% | Sep 2025 |
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| Horizon Kinetics Asset Management | 13k | $27M | 0% | Dec 2025 |
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| WCM Investment Management | 11k | $22M | -19% | Dec 2025 |
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| Speece Thorson Capital Group | 11k | $22M | -5% | Dec 2025 |
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| Wells Fargo & Company | 9.1k | $19M | -2% | Dec 2025 |
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| Thompson, Siegel, & Walmsley | 8.9k | $19M | 3% | Dec 2025 |
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| Bank of New York Mellon | 8.8k | $18M | -13% | Dec 2025 |
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| Jennifer Ranahan | 8.6k | $18M | 8% | Dec 2025 |
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| Sei Investments | 7.9k | $17M | 47% | Dec 2025 |
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| Ubs Global Asset Management Americas | 7.7k | $16M | 109257% | Dec 2025 |
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| Quantinno Capital Management | 7.3k | $15M | 20% | Dec 2025 |
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| Hotchkis and Wiley Capital Management | 7.1k | $12M | 3% | Sep 2025 |
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| Gotham Asset Management | 6.9k | $12M | 619% | Sep 2025 |
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| CalPERS | 6.7k | $14M | -27% | Dec 2025 |
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| Victory Capital Management | 6.3k | $13M | -26% | Dec 2025 |
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| UBS Group | 6.0k | $13M | -50% | Dec 2025 |
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| Royce & Associates | 5.9k | $12M | -6% | Dec 2025 |
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| AQR Capital Management | 5.9k | $9.8M | -27% | Sep 2025 |
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| Phocas Financial | 5.5k | $11M | 0% | Dec 2025 |
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| Bradley, Foster & Sargent | 5.5k | $11M | -2% | Dec 2025 |
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| Goldman Sachs Group | 5.3k | $11M | -11% | Dec 2025 |
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| Williams Jones Wealth Management | 5.2k | $11M | 0% | Dec 2025 |
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| Swiss National Bank | 5.1k | $11M | 3% | Dec 2025 |
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| First Trust Advisors | 4.6k | $9.5M | 100% | Dec 2025 |
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| Jpmorgan Chase & Co | 4.3k | $7.2M | 100% | Sep 2025 |
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| Rhumbline Advisers | 4.2k | $8.7M | -2% | Dec 2025 |
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| Dark Forest Capital Management | 3.6k | $7.5M | 100% | Dec 2025 |
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| HPM Partners | 3.5k | $7.4M | 83% | Dec 2025 |
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| Nuveen | 3.5k | $7.2M | 0% | Dec 2025 |
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| Creative Planning | 3.4k | $7.1M | 10% | Dec 2025 |
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| Bnp Paribas Arbitrage, Snc | 3.3k | $6.9M | 117% | Dec 2025 |
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| Brandywine Global Investment Management | 3.2k | $6.7M | -3% | Dec 2025 |
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| Lee, Danner & Bass | 3.1k | $6.4M | -1% | Dec 2025 |
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| Ameriprise Financial | 3.1k | $6.3M | 1% | Dec 2025 |
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| Legal & General Group | 3.0k | $6.3M | -25% | Dec 2025 |
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| Invesco | 3.0k | $6.2M | -10% | Dec 2025 |
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| Mml Investors Services | 2.9k | $6.1M | 3% | Dec 2025 |
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| Florida State Board of Administration | 2.8k | $5.8M | -11% | Dec 2025 |
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| Triad Investment Management | 2.5k | $5.3M | 100% | Dec 2025 |
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| New York State Common Retirement Fund | 2.5k | $5.2M | 0% | Dec 2025 |
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| D. E. Shaw & Co | 2.5k | $4.2M | 3% | Sep 2025 |
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| California State Teachers Retirement System | 2.5k | $5.1M | 1% | Dec 2025 |
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| Davenport & Co | 2.1k | $4.4M | -2% | Dec 2025 |
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| Forum Financial Management | 2.0k | $4.2M | 0% | Dec 2025 |
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| LPL Financial | 2.0k | $4.1M | -15% | Dec 2025 |
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| Parsons Capital Management | 1.9k | $3.9M | -1% | Dec 2025 |
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| Royal Bank of Canada | 1.8k | $3.0M | -19% | Sep 2025 |
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| Union Bankshares | 1.8k | $3.7M | 0% | Dec 2025 |
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| Jane Street | 1.7k | $3.5M | -65% | Dec 2025 |
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| Regency Capital Management | 1.6k | $3.4M | 102% | Dec 2025 |
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| Colony | 1.6k | $3.1M | 19% | Dec 2025 |
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| Oppenheimer Asset Management | 1.5k | $3.1M | -4% | Dec 2025 |
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| Renaissance Technologies | 1.5k | $3.1M | -19% | Dec 2025 |
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| HighTower Advisors | 1.4k | $3.0M | -1% | Dec 2025 |
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| Agf Management | 1.4k | $2.9M | -21% | Dec 2025 |
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| Stifel Financial | 1.3k | $2.7M | 0% | Dec 2025 |
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| Aquatic Capital Management | 1.2k | $2.5M | 54% | Dec 2025 |
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| Northern Oak Capital Management | 1.2k | $2.4M | 0% | Dec 2025 |
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| Pecaut & Co. | 1.2k | $2.4M | 0% | Dec 2025 |
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| State of New Jersey Common Pension Fund D | 1.1k | $2.4M | -2% | Dec 2025 |
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| Henderson Group | 1.1k | $1.9M | 100% | Sep 2025 |
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| Leuthold Weeden Capital Management | 1.1k | $2.3M | -7% | Dec 2025 |
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| Marshall Wace | 1.1k | $2.3M | 100% | Dec 2025 |
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| Cove Street Capital | 1.1k | $1.8M | 128% | Sep 2025 |
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| Autumn Glory Partners | 1.1k | $2.2M | 0% | Dec 2025 |
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| Police & Firemen's Retirement System of New Jersey | 1.1k | $2.2M | -4% | Dec 2025 |
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| Treasurer of the State of North Carolina | 1.0k | $2.1M | -8% | Dec 2025 |
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| TD Asset Management | 1.0k | $2.1M | -14% | Dec 2025 |
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| Holocene Advisors | 998.00 | $2.1M | 19% | Dec 2025 |
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| Alliancebernstein | 955.00 | $1.6M | -15% | Sep 2025 |
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| O'shaughnessy Asset Management | 934.00 | $1.9M | -5% | Dec 2025 |
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| Millennium Management | 934.00 | $1.6M | -33% | Sep 2025 |
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| Brave Asset Management | 924.00 | $1.9M | 0% | Dec 2025 |
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| Zurcher Kantonalbank | 913.00 | $1.9M | 261% | Dec 2025 |
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| CI Private Wealth | 906.00 | $1.9M | 52% | Dec 2025 |
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| Sequoia Financial Advisors | 906.00 | $1.9M | 11% | Dec 2025 |
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| American Century Companies | 895.00 | $1.9M | -60% | Dec 2025 |
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| Magnetar Financial | 881.00 | $1.5M | 100% | Sep 2025 |
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| Handelsbanken Fonder AB | 880.00 | $1.8M | -20% | Dec 2025 |
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| Harbor Capital Advisors | 864.00 | $1.8M | 1% | Dec 2025 |
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| Equitable Trust | 840.00 | $1.7M | 7% | Dec 2025 |
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| Main Street Financial Solutions | 835.00 | $1.7M | -34% | Dec 2025 |
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| Ohio Pers | 814.00 | $1.4M | 0% | Sep 2025 |
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| Arrowstreet Capital, Limited Partnership | 811.00 | $1.7M | 100% | Dec 2025 |
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| Regions Bank | 792.00 | $1.6M | 0% | Dec 2025 |
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| Teachers Retirement System Of The State Of Kentucky | 767.00 | $1.6M | 0% | Dec 2025 |
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| Park Avenue Securities | 761.00 | $1.6M | 8% | Dec 2025 |
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| Branch Banking & Trust Company | 736.00 | $1.5M | -37% | Dec 2025 |
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| NISA Investment Advisors | 734.00 | $1.5M | 0% | Dec 2025 |
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| Private Management Group | 726.00 | $1.5M | 100% | Dec 2025 |
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| Arizona State Retirement System | 718.00 | $1.5M | -6% | Dec 2025 |
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| Mercer Global Advisors | 715.00 | $1.5M | 386% | Dec 2025 |
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| Squarepoint Ops | 706.00 | $1.5M | 297% | Dec 2025 |
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| Captrust Financial Advisors | 705.00 | $1.5M | 0% | Dec 2025 |
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| Yale Capital Corp. | 687.00 | $1.4M | 1% | Dec 2025 |
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| Ethic | 672.00 | $1.4M | -10% | Dec 2025 |
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| Brandes Investment Partners | 665.00 | $1.4M | 8% | Dec 2025 |
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| Jump Financial | 658.00 | $1.4M | 100% | Dec 2025 |
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| Wiley Bros.-aintree Capital | 638.00 | $1.3M | 2% | Dec 2025 |
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| FMR | 625.00 | $1.0M | 11% | Sep 2025 |
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| Robeco Institutional Asset Management B V | 623.00 | $1.3M | -96% | Dec 2025 |
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| Nelson, Van Denburg & Campbell Wealth Management | 617.00 | $1.3M | 0% | Dec 2025 |
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| Summit Trail Advisors | 600.00 | $1.2M | -28% | Dec 2025 |
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| Klp Kapitalforvaltning As | 595.00 | $1.2M | -2% | Dec 2025 |
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| Amg National Trust Bank | 595.00 | $1.2M | 3% | Dec 2025 |
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| Farther Finance Advisors | 570.00 | $1.2M | 20% | Dec 2025 |
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| Sendero Wealth Management | 562.00 | $1.2M | 0% | Dec 2025 |
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| Luther King Capital Management Corporation | 560.00 | $1.2M | 0% | Dec 2025 |
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| Barclays | 559.00 | $1.2M | -41% | Dec 2025 |
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| Jain Global | 559.00 | $1.2M | 87% | Dec 2025 |
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| Manufacturers Life Insurance Company | 555.00 | $1.2M | 4% | Dec 2025 |
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| Pnc Financial Services | 536.00 | $1.1M | 22% | Dec 2025 |
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| B.O.S.S. Retirement Advisors | 533.00 | $1.1M | 0% | Dec 2025 |
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| Qube Research & Technologies | 532.00 | $1.1M | -16% | Dec 2025 |
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| Oak Thistle | 530.00 | $1.1M | -19% | Dec 2025 |
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| Edgestream Partners | 529.00 | $1.1M | -61% | Dec 2025 |
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| Chicago Partners Investment | 523.00 | $1.1M | 1% | Dec 2025 |
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| Caprock | 509.00 | $1.1M | 3% | Dec 2025 |
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| Prospector Partners | 490.00 | $1.0M | -87% | Dec 2025 |
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| Entropy Technologies | 490.00 | $1.0M | 100% | Dec 2025 |
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| Sanctuary Advisors | 475.00 | $987k | -4% | Dec 2025 |
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| Parker Investment Management | 475.00 | $987k | -5% | Dec 2025 |
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| Midwest Professional Planners | 388.00 | $806k | -38% | Dec 2025 |
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| SRS Capital Advisors | 281.00 | $585k | -45% | Dec 2025 |
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| Citadel Advisors | 281.00 | $470k | -76% | Sep 2025 |
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| Toroso Investments | 204.00 | $424k | -66% | Dec 2025 |
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| Ensign Peak Advisors | 200.00 | $416k | -60% | Dec 2025 |
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| Hrt Financial | 133.00 | $276k | -96% | Dec 2025 |
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| Susquehanna International | 132.00 | $274k | -98% | Dec 2025 |
|
Who sold out of White Mountains Insurance Gp?
| Fund or Company Name | Date Sold | Shares Held | Valued At |
|---|---|---|---|
| Perpetual | Sep 2025 | 8.1k | $14M |
| Lighthouse Investment Partners | Sep 2025 | 2.9k | $4.9M |
| Oddo Bhf Asset Management Sas | Sep 2025 | 930.00 | $1.6M |