White Mountains Insurance Group Ltd
WTM- Exchange
- NYSE
- Industry
- Fire, Marine & Casualty Insurance
- SEC CIK
- 0000776867
No open-market purchases or sales by White Mountains Insurance Group Ltd insiders were filed in the last 90 days; 356 institutions reported holding it in 13F filings for Q2 2026, worth $4.57B in total; Southeastern Asset Management (Longleaf) is the only superinvestor holding it.
Q3 2024 vs. Q2 2024
How the institutions holding White Mountains Insurance Group Ltd changed between Q2 2024 and Q3 2024.
All holders in Q3 2024All holders in Q2 2024
| Measure | Q2 2024 | Of which not filed for Q3 2024 | Q3 2024 | Change |
|---|---|---|---|---|
| Holders | 306 | 6 | 304 | +4 |
| Shares | 2.28M | 119.1K | 2.25M | +86.3K (+4.0%) |
| Value | $4.14B | $216.3M | $3.78B | −$145.3M (−3.7%) |
6 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.
New holders (29)
Institutions that held White Mountains Insurance Group Ltd at the end of Q3 2024 but not at the end of Q2 2024.
Sold out (25)
Institutions that held White Mountains Insurance Group Ltd at the end of Q2 2024 and filed for Q3 2024 without it.
| Institution | Shares, Q2 2024 | Value, Q2 2024 |
|---|---|---|
| Eagle Asset Management Inc | 3,619 | $6.38M |
| Vident Advisory, LLC | 1,724 | $3.13M |
| Dean Investment Associates, LLC | 1,058 | $1.92M |
| Allianz Asset Management GmbH | 1,041 | $1.89M |
| Algert Global LLC | 800 | $1.45M |
| Bridgewater Associates, LP | 756 | $1.37M |
| Legato Capital Management LLC | 391 | $710.6K |
| Dean Capital Management | 391 | $710.6K |
| Oak Thistle LLC | 255 | $463.4K |
| Boothbay Fund Management, LLC | 204 | $370.8K |
| Paloma Partners Management Co | 169 | $307.1K |
| May Barnhard Investments LLC | 155 | $281.9K |
| New York State Teachers Retirement System | 141 | $256.0K |
| Equity Investment Corp | 125 | $227.2K |
| HB Wealth Management, LLC | 116 | $210.8K |
| Quarry LP | 51 | $92.7K |
| Family Firm, Inc. | 45 | $81.8K |
| Montag A & Associates Inc | 19 | $34.5K |
| RFP Financial Group LLC | 19 | $34.5K |
| EdgeRock Capital LLC | 9 | $16.4K |
| Wetzel Investment Advisors, Inc. | 9 | $16.1K |
| Atlas Capital Advisors LLC | 8 | $14.5K |
| Redmont Wealth Advisors LLC | 8 | $14.5K |
| CoreCap Advisors, LLC | 5 | $9.09K |
| EntryPoint Capital, LLC | 5 | $9.09K |
Not filed for Q3 2024 yet (6)
Institutions that held White Mountains Insurance Group Ltd at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q2 2024 | Value, Q2 2024 |
|---|---|---|
| BlackRock Inc. | 116,455 | $211.7M |
| Buckingham Strategic Wealth, LLC | 721 | $1.31M |
| Karpas Strategies, LLC | 659 | $1.20M |
| Gratus Capital LLC | 608 | $1.11M |
| Hyman Charles D | 305 | $554.0K |
| Ofi Invest Asset Management | 310 | $525.7K |