Swiss National Bank
BankPosition in WTM — White Mountains Insurance Group Ltd
CIK 1582202
ZURICH, V8
Position in WTM
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$10,006,179
-$1,057,711 QoQ
Shares Held
4,826
-4.2% QoQ
Ownership
0.202%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#62
of 354 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WTM Over Time
Shares Held
Position Value (USD)
Position in Insurance - Property & Casualty
Financial Services · as of Jun 30, 2026Swiss National Bank holds $1,499,806,746 across 36 Insurance - Property & Casualty names. WTM ranks #16 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PGR |
Progressive Corp/Oh/
|
1,649,900 | $360,420,655 | |
| 2 | CB |
Chubb Ltd
|
986,151 | $336,021,091 | |
| 3 | TRV |
Travelers Companies, Inc.
|
599,760 | $197,992,771 | |
| 4 | ALL |
Allstate Corp
|
728,200 | $173,267,908 | |
| 5 | CINF |
Cincinnati Financial Corp
|
439,000 | $81,276,460 | |
| 6 | MKL |
Markel Group Inc.
|
35,380 | $69,097,493 | |
| 7 | L |
Loews Corp
|
478,861 | $54,211,853 | |
| 8 | WRB |
Berkley W R Corp
|
607,262 | $42,830,188 |
All Filings in WTM
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $10,006,179 | 4,826 | Shares | Sole | 2026-08-11 | |
| 2026-03-31 | $11,063,890 | 5,036 | Shares | Sole | 2026-05-07 | |
| 2025-12-31 | $10,568,860 | 5,086 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $8,267,337 | 4,946 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $8,881,631 | 4,946 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $9,525,056 | 4,946 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $9,814,773 | 5,046 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $8,559,025 | 5,046 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $9,170,852 | 5,046 | Shares | Sole | 2024-08-08 | |
| 2024-03-31 | $9,054,037 | 5,046 | Shares | Sole | 2024-05-07 | |
| 2023-12-31 | $7,594,280 | 5,046 | Shares | Sole | 2024-02-06 | |
| 2023-09-30 | $8,444,665 | 5,646 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $7,702,894 | 5,546 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $7,639,559 | 5,546 | Shares | Sole | 2023-05-10 | |
| 2022-12-31 | $8,833,905 | 6,246 | Shares | Sole | 2023-02-08 | |
| 2022-09-30 | $7,878,058 | 6,046 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $8,904,844 | 7,146 | Shares | Sole | 2022-08-09 | |
| 2022-03-31 | $8,119,571 | 7,146 | Shares | Sole | 2022-05-09 | |
| 2021-12-31 | $6,941,159 | 6,846 | Shares | Sole | 2022-02-08 | |
| 2021-09-30 | $7,322,550 | 6,846 | Shares | Sole | 2021-11-08 | |
| 2021-06-30 | $7,859,413 | 6,846 | Shares | Sole | 2021-08-06 | |
| 2021-03-31 | $7,855,585 | 7,046 | Shares | Sole | 2021-05-07 | |
| 2020-12-31 | $7,050,650 | 7,046 | Shares | Sole | 2021-02-05 | |
| 2020-09-30 | $5,488,834 | 7,046 | Shares | Sole | 2020-11-09 | |
| 2020-06-30 | $6,256,636 | 7,046 | Shares | Sole | 2020-08-05 | |
| 2020-03-31 | $5,592,860 | 6,146 | Shares | Sole | 2020-05-08 | |
| No filing history on record for this holder in this stock. | ||||||