Q1 2025 13F Holders as of 31 Mar 2025
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Type / Class
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Equity / Common Stock
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Shares outstanding
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2.55M
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Number of holders
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317
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Total 13F shares, excl. options
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2.28M
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Shares change
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+259
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Total reported value, excl. options
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$4.38B
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Value change
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-$298K
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Number of buys
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122
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Number of sells
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-133
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Price
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$1,925.81
Significant Holders of WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock (WTM) as of Q1 2025
344 filings reported holding WTM - WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock as of Q1 2025.
WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock (WTM) has 317 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 2.28M shares
of 2.55M outstanding shares and own 89.25% of the company stock.
Largest 10 shareholders include VANGUARD GROUP INC (250K shares), MORGAN STANLEY (171K shares), DIMENSIONAL FUND ADVISORS LP (157K shares), BlackRock, Inc. (117K shares), FULLER & THALER ASSET MANAGEMENT, INC. (110K shares), River Road Asset Management, LLC (110K shares), Boston Partners (85.2K shares), Wallace Capital Management Inc. (79.9K shares), FIDUCIARY MANAGEMENT INC /WI/ (71.8K shares), and LONDON CO OF VIRGINIA (69.2K shares).
This table shows the top 317 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
| Investor |
Option |
Weight % |
Change % |
Value $ |
* Price $ |
Shares |
Share Change |
Activity |
Report Period |
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.