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 2022 vs. Q2 2022
How the institutions holding White Mountains Insurance Group Ltd changed between Q2 2022 and Q3 2022.
All holders in Q3 2022All holders in Q2 2022
| Measure | Q2 2022 | Of which not filed for Q3 2022 | Q3 2022 | Change |
|---|---|---|---|---|
| Holders | 259 | 4 | 251 | −4 |
| Shares | 2.66M | 748 | 2.28M | −376.1K (−14.1%) |
| Value | $3.32B | $932.0K | $2.98B | −$338.5M (−10.2%) |
4 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so the changes leave them out.
New holders (24)
Institutions that held White Mountains Insurance Group Ltd at the end of Q3 2022 but not at the end of Q2 2022.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Lazard Asset Management LLC | 4,698 | $6.12M | 0.01% |
| TCWP LLC | 3,535 | $4.61M | 0.98% |
| GW&K Investment Management, LLC | 2,482 | $3.23M | 0.04% |
| Teachers Retirement System of the State of Kentucky | 2,370 | $3.09M | 0.04% |
| Caxton Associates LP | 1,356 | $1.77M | 0.30% |
| Icon Wealth Advisors, LLC | 714 | $930.0K | 0.11% |
| Two Sigma Investments, LP | 569 | $741.0K | 0.00% |
| Aquatic Capital Management LLC | 500 | $652.0K | 0.06% |
| Vestcor Inc | 477 | $622.0K | 0.02% |
| SG Americas Securities, LLC | 442 | $576.0K | 0.01% |
| AE Wealth Management LLC | 375 | $489.0K | 0.00% |
| Mariner, LLC | 314 | $409.0K | 0.00% |
| Ellsworth Advisors, LLC | 302 | $394.0K | 0.17% |
| Essex Savings Bank | 297 | $387.0K | 0.15% |
| Ethic Inc. | 183 | $238.0K | 0.02% |
| Mirabella Financial Services LLP | 178 | $229.0K | 0.02% |
| CSS LLC | 171 | $223.0K | 0.01% |
| Isthmus Partners, LLC | 164 | $214.0K | 0.04% |
| Utah Retirement Systems | 156 | $203.0K | 0.00% |
| EverSource Wealth Advisors, LLC | 6 | $8.00K | 0.00% |
| Wipfli Financial Advisors LLC, | 5 | $7.00K | 0.00% |
| Stonebridge Capital Advisors LLC | 2 | $3.00K | 0.00% |
| Allworth Financial LP | 1 | $1.00K | 0.00% |
| SJS Investment Consulting Inc. | 1 | $1.00K | 0.00% |
Sold out (28)
Institutions that held White Mountains Insurance Group Ltd at the end of Q2 2022 and filed for Q3 2022 without it.
Not filed for Q3 2022 yet (4)
Institutions that held White Mountains Insurance Group Ltd at the end of Q2 2022 and haven't filed a 13F for Q3 2022. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q2 2022 | Value, Q2 2022 |
|---|---|---|
| Icon Wealth Partners, LLC | 714 | $890.0K |
| Private Capital Group, LLC | 23 | $29.0K |
| Cordasco Financial Network | 10 | $12.0K |
| Fieldpoint Private Securities, LLC | 1 | $1.00K |