Position in WRB
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$9,614,789
+$7,518,022 QoQ
Shares Held
136,322
+330.9% QoQ
Ownership
0.037%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#144
of 933 holders
Holding Since
Dec 2020
13 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in WRB Over Time
Shares Held
Position Value (USD)
Position in Insurance - Property & Casualty
Financial Services · as of Jun 30, 2026MARSHALL WACE, LLP holds $124,388,447 across 24 Insurance - Property & Casualty names. WRB ranks #5 (7.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AIZ |
Assurant, Inc.
|
79,270 | $21,286,372 | |
| 2 | ORI |
Old Republic International Corp
|
446,580 | $18,274,052 | |
| 3 | TRUP |
Trupanion, Inc.
|
561,333 | $13,904,217 | |
| 4 | MKL |
Markel Group Inc.
|
5,929 | $11,579,394 | |
| 5 | WRB |
Berkley W R Corp
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|
136,322 | $9,614,789 | |
| 6 | CNA |
Cna Financial Corp
|
179,148 | $8,708,383 | |
| 7 | UVE |
Universal Insurance Holdings, Inc.
|
170,005 | $7,031,406 | |
| 8 | LMND |
Lemonade, Inc.
|
75,427 | $4,906,526 |
All Filings in WRB
Export CSV
13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $9,614,789 | 136,322 | Shares | Other | 2026-08-13 | |
| 2026-03-31 | $2,096,767 | 31,635 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $296,817 | 4,233 | Shares | Other | 2026-02-13 | |
| 2025-09-30 | $463,167 | 6,045 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $13,132,393 | 178,745 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $52,917,420 | 743,640 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $6,480,209 | 110,735 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $1,542,772 | 27,195 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $2,330,133 | 29,653 | Shares | Other | 2024-08-14 | |
| 2023-06-30 | $7,430,116 | 124,750 | Shares | Other | 2023-08-14 | |
| 2022-06-30 | $21,147,713 | 309,811 | Shares | Other | 2022-08-15 | |
| 2021-12-31 | $1,190,864 | 14,454 | Shares | Other | 2022-02-14 | |
| 2020-12-31 | $2,434,957 | 36,660 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||