JANUS HENDERSON GROUP PLC
Position in WTM — White Mountains Insurance Group Ltd
CIK 1274173
LONDON, X0
Position in WTM
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$2,467,186
+$133,559 QoQ
Shares Held
1,123
0.0% QoQ
Ownership
0.047%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
21 quarters on record
Voting authority
Sole 0%
Shared 0%
None 100%
Common Shares in WTM Over Time
Shares Held
Position Value (USD)
Position in Insurance - Property & Casualty
Financial Services · as of Mar 31, 2026JANUS HENDERSON GROUP PLC holds $1,459,802,020 across 35 Insurance - Property & Casualty names. WTM ranks #20 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | PGR |
Progressive Corp/Oh/
|
4,731,581 | $937,988,614 | |
| 2 | WRB |
Berkley W R Corp
|
2,457,890 | $162,908,947 | |
| 3 | PLMR |
Palomar Holdings, Inc.
|
933,993 | $111,612,163 | |
| 4 | SIGI |
Selective Insurance Group Inc
|
784,231 | $59,123,174 | |
| 5 | TRV |
Travelers Companies, Inc.
|
195,195 | $56,934,477 | |
| 6 | RLI |
Rli Corp
|
416,647 | $23,765,544 | |
| 7 | MKL |
Markel Group Inc.
|
11,417 | $21,852,934 | |
| 8 | THG |
Hanover Insurance Group, Inc.
|
116,871 | $20,259,587 |
All Filings in WTM
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,467,186 | 1,123 | Shares | Defined | 2026-05-18 | |
| 2025-12-31 | $2,333,627 | 1,123 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $1,877,116 | 1,123 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $2,016,593 | 1,123 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $2,162,684 | 1,123 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $4,699,264 | 2,416 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $2,074,452 | 1,223 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $2,222,741 | 1,223 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $2,215,959 | 1,235 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $1,858,687 | 1,235 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $1,851,663 | 1,238 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,719,469 | 1,238 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $1,706,709 | 1,239 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $746,765 | 528 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $686,691 | 527 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $780,077 | 626 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $713,558 | 628 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $636,729 | 628 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $333,718 | 312 | Shares | Defined | 2021-11-16 | |
| 2020-06-30 | $550,541 | 620 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $1,021,930 | 1,123 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||