AMERICAN CENTURY COMPANIES INC
Position in WTM — White Mountains Insurance Group Ltd
CIK 748054
KANSAS CITY, MO
Position in WTM
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$64,499,013
+$46,246,670 QoQ
Shares Held
31,108
+274.4% QoQ
Ownership
1.30%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#20
of 354 holders
Holding Since
Mar 2020
24 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, 2026AMERICAN CENTURY COMPANIES INC holds $2,757,888,663 across 39 Insurance - Property & Casualty names. WTM ranks #12 (2.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALL |
Allstate Corp
|
1,803,390 | $429,098,616 | |
| 2 | PGR |
Progressive Corp/Oh/
|
1,813,667 | $396,195,556 | |
| 3 | TRV |
Travelers Companies, Inc.
|
799,839 | $264,042,850 | |
| 4 | THG |
Hanover Insurance Group, Inc.
|
1,078,105 | $230,843,842 | |
| 5 | CB |
Chubb Ltd
|
663,120 | $225,951,508 | |
| 6 | SIGI |
Selective Insurance Group Inc
|
2,228,969 | $216,232,282 | |
| 7 | MCY |
Mercury General Corp
|
960,484 | $102,406,804 | |
| 8 | PLMR |
Palomar Holdings, Inc.
|
767,319 | $96,981,448 |
All Filings in WTM
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $64,499,013 | 31,108 | Shares | Defined | 2026-08-12 | |
| 2026-03-31 | $18,252,343 | 8,308 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $1,859,836 | 895 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $3,747,547 | 2,242 | Shares | Defined | 2025-11-12 | |
| 2025-06-30 | $11,429,757 | 6,365 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $13,549,999 | 7,036 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $10,454,698 | 5,375 | Shares | Defined | 2025-02-11 | |
| 2024-09-30 | $9,305,353 | 5,486 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $26,721,967 | 14,703 | Shares | Defined | 2024-08-07 | |
| 2024-03-31 | $37,305,291 | 20,791 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $22,353,913 | 14,853 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $13,637,700 | 9,118 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $10,207,099 | 7,349 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $8,200,197 | 5,953 | Shares | Defined | 2023-05-11 | |
| 2022-12-31 | $8,467,593 | 5,987 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $7,922,361 | 6,080 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $7,802,019 | 6,261 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $7,798,015 | 6,863 | Shares | Defined | 2022-05-11 | |
| 2021-12-31 | $6,308,485 | 6,222 | Shares | Defined | 2022-02-07 | |
| 2021-09-30 | $4,734,093 | 4,426 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $3,791,943 | 3,303 | Shares | Defined | 2021-08-05 | |
| 2021-03-31 | $1,324,501 | 1,188 | Shares | Defined | 2021-05-14 | |
| 2020-06-30 | $5,745,165 | 6,470 | Shares | Defined | 2020-08-13 | |
| 2020-03-31 | $18,221,840 | 20,024 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||