WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock (WTM)
CUSIP: G9618E107
Q2 2025 13F Holders as of 30 Jun 2025
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 2,560,567
- Total 13F shares
- 2,319,591
- Share change
- +42,740
- Total reported value
- $4,164,032,974
- Price per share
- $1795.72
- Number of holders
- 323
- Value change
- +$75,999,210
- Number of buys
- 135
- Number of sells
- 135
Quarterly Holders Quick Answers
What is CUSIP G9618E107?
CUSIP G9618E107 identifies WTM - WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock in SEC institutional holdings data.
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Recent filing periods for CUSIP G9618E107:
Top shareholders of WTM - WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
|
Company |
9.8%
|
250,116
|
$481,675,895 | — | 31 Mar 2025 | |
| MORGAN STANLEY |
13F
|
Company |
6.7%
|
170,631
|
$328,606,826 | — | 31 Mar 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
6.1%
|
156,617
|
$301,609,411 | — | 31 Mar 2025 | |
| BlackRock, Inc. |
13F
|
Company |
4.6%
|
116,799
|
$224,932,282 | — | 31 Mar 2025 | |
| FULLER & THALER ASSET MANAGEMENT, INC. |
13F
|
Company |
4.3%
|
110,092
|
$212,015,758 | — | 31 Mar 2025 | |
| River Road Asset Management, LLC |
13F
|
Company |
4.3%
|
109,665
|
$211,193,954 | — | 31 Mar 2025 | |
| Boston Partners |
13F
|
Company |
3.3%
|
85,236
|
$163,262,550 | — | 31 Mar 2025 | |
| Wallace Capital Management Inc. |
13F
|
Company |
3.1%
|
79,931
|
$153,931,555 | — | 31 Mar 2025 | |
| FIDUCIARY MANAGEMENT INC /WI/ |
13F
|
Company |
2.8%
|
71,795
|
$138,263,529 | — | 31 Mar 2025 | |
| LONDON CO OF VIRGINIA |
13F
|
Company |
2.7%
|
69,158
|
$133,184,648 | — | 31 Mar 2025 | |
| T. Rowe Price Investment Management, Inc. |
13F
|
Company |
2.4%
|
62,466
|
$120,298,000 | — | 31 Mar 2025 | |
| Neuberger Berman Group LLC |
13F
|
Company |
2.2%
|
56,864
|
$109,509,260 | — | 31 Mar 2025 | |
| STATE STREET CORP |
13F
|
Company |
2.1%
|
54,944
|
$105,811,705 | — | 31 Mar 2025 | |
| COOKE & BIELER LP |
13F
|
Company |
2.1%
|
54,652
|
$105,249,368 | — | 31 Mar 2025 | |
| REINHART PARTNERS, LLC. |
13F
|
Company |
1.7%
|
42,478
|
$81,804,361 | — | 31 Mar 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.6%
|
42,186
|
$81,268,846 | — | 31 Mar 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.6%
|
41,055
|
$79,064,177 | — | 31 Mar 2025 | |
| LORD, ABBETT & CO. LLC |
13F
|
Company |
1.3%
|
32,851
|
$63,265,000 | — | 31 Mar 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
1.2%
|
31,724
|
$61,094,439 | — | 31 Mar 2025 | |
| Cannell & Spears LLC |
13F
|
Company |
1.1%
|
28,668
|
$55,208,339 | — | 31 Mar 2025 | |
| Select Equity Group, L.P. |
13F
|
Company |
1.1%
|
27,999
|
$53,920,754 | — | 31 Mar 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
0.99%
|
25,438
|
$48,988,755 | — | 31 Mar 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.96%
|
24,706
|
$47,579,062 | — | 31 Mar 2025 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
0.97%
|
24,857
|
$47,277,766 | — | 31 Mar 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
0.9%
|
22,927
|
$44,153,045 | — | 31 Mar 2025 | |
| BROWN ADVISORY INC |
13F
|
Company |
0.86%
|
22,076
|
$42,514,425 | — | 31 Mar 2025 | |
| Mraz, Amerine & Associates, Inc. |
13F
|
Company |
0.82%
|
21,028
|
$40,007,621 | — | 31 Mar 2025 | |
| Robeco Institutional Asset Management B.V. |
13F
|
Company |
0.75%
|
19,154
|
$36,886,963 | — | 31 Mar 2025 | |
| SOUTHEASTERN ASSET MANAGEMENT INC/TN/ |
13F
|
Company |
0.72%
|
18,484
|
$35,596,671 | — | 31 Mar 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.71%
|
18,222
|
$35,092,109 | — | 31 Mar 2025 | |
| ENVESTNET ASSET MANAGEMENT INC |
13F
|
Company |
0.67%
|
17,269
|
$33,257,498 | — | 31 Mar 2025 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
0.63%
|
16,091
|
$30,988,208 | — | 31 Mar 2025 | |
| ELKHORN PARTNERS LIMITED PARTNERSHIP |
13F
|
Company |
0.58%
|
14,905
|
$28,704,000 | — | 31 Mar 2025 | |
| WCM INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
0.52%
|
13,245
|
$25,199,540 | — | 31 Mar 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.49%
|
12,570
|
$24,207,747 | — | 31 Mar 2025 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
0.45%
|
11,588
|
$22,316,286 | — | 31 Mar 2025 | |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
13F
|
Company |
0.45%
|
11,535
|
$22,214,218 | — | 31 Mar 2025 | |
| HORIZON KINETICS ASSET MANAGEMENT LLC |
13F
|
Company |
0.44%
|
11,345
|
$21,848,318 | — | 31 Mar 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
0.44%
|
11,287
|
$21,736,618 | — | 31 Mar 2025 | |
| SPEECE THORSON CAPITAL GROUP INC |
13F
|
Company |
0.44%
|
11,159
|
$21,490,000 | — | 31 Mar 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0.37%
|
9,350
|
$18,007,440 | — | 31 Mar 2025 | |
| GW&K Investment Management, LLC |
13F
|
Company |
0.33%
|
8,467
|
$16,306,000 | — | 31 Mar 2025 | |
| AQR CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.33%
|
8,492
|
$16,220,530 | — | 31 Mar 2025 | |
| THOMPSON SIEGEL & WALMSLEY LLC |
13F
|
Company |
0.32%
|
8,317
|
$16,017,000 | — | 31 Mar 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.3%
|
7,770
|
$14,963,544 | — | 31 Mar 2025 | |
| Perpetual Ltd |
13F
|
Company |
0.3%
|
7,727
|
$14,880,734 | — | 31 Mar 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.27%
|
7,036
|
$13,550,000 | — | 31 Mar 2025 | |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.27%
|
6,893
|
$13,274,608 | — | 31 Mar 2025 | |
| Morgan W. Davis |
3/4/5
|
Director |
—
class O/S missing
|
7,739
|
$11,647,272 | — | 28 Dec 2022 | |
| Alaska Permanent Fund Corp |
13F
|
Company |
0.23%
|
5,902
|
$10,431,490 | — | 31 Mar 2025 |
Institutional Holders of WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock (WTM) as of Q2 2025
As of 30 Jun 2025,
WHITE MOUNTAINS INSURANCE GROUP LTD - Common Stock (WTM) was held by
323 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
2,319,591 shares.
The largest 10 holders included
VANGUARD GROUP INC, MORGAN STANLEY, DIMENSIONAL FUND ADVISORS LP, BlackRock, Inc., River Road Asset Management, LLC, FULLER & THALER ASSET MANAGEMENT, INC., Boston Partners, NEUBERGER BERMAN GROUP LLC, Wallace Capital Management Inc., and COOKE & BIELER LP.
This page lists
324
institutional shareholders reporting positions in this security
for the Q2 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
318
Q2 2025 holders
323
Holder diff
5
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 Value $ | Q2 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* 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.
An asterisk sign (*) next to the price indicates that the price is likely invalid.