Position in WRB
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$30,437,565
+$27,966,607 QoQ
Shares Held
459,227
+1203.2% QoQ
Ownership
0.123%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in WRB Over Time
Shares Held
Position Value (USD)
Derivatives in WRB
reported options exposure · as of Dec 31, 2024CallValue
$403,788
CallShares
6,900
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Insurance - Property & Casualty
Financial Services · as of Mar 31, 2026MILLENNIUM MANAGEMENT LLC holds $555,571,253 across 39 Insurance - Property & Casualty names. WRB ranks #8 (5.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | KNSL |
Kinsale Capital Group, Inc.
|
221,703 | $75,747,046 | |
| 2 | AFG |
American Financial Group Inc
|
495,906 | $63,332,155 | |
| 3 | AIZ |
Assurant, Inc.
|
259,560 | $56,534,763 | |
| 4 | STC |
Stewart Information Services Corp
|
807,996 | $49,756,393 | |
| 5 | CB |
Chubb Ltd
|
126,471 | $41,220,693 | |
| 6 | KMPR |
KEMPER Corp
|
1,106,788 | $33,823,441 | |
| 7 | TRV |
Travelers Companies, Inc.
|
112,033 | $32,677,785 | |
| 8 | WRB |
Berkley W R Corp
This page
|
459,227 | $30,437,565 |
All Filings in WRB
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31 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $30,437,565 | 459,227 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $2,470,958 | 35,239 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,657,137 | 21,628 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $4,542,943 | 61,834 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $10,660,977 | 149,817 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $53,023,216 | 906,070 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $403,788 | 6,900 | Call | Sole | 2025-02-14 | |
| 2024-09-30 | $51,319,432 | 904,626 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $931,540 | 17,782 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $294,800 | 5,000 | Put | Sole | 2024-05-15 | |
| 2024-03-31 | $359,656 | 6,100 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $8,672,308 | 147,088 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $287,594 | 6,100 | Call | Sole | 2024-02-14 | |
| 2023-12-31 | $1,301,248 | 27,600 | Put | Sole | 2024-02-14 | |
| 2023-12-31 | $4,606,609 | 97,708 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $41,164,493 | 972,542 | Shares | Sole | 2023-11-14 | |
| 2023-09-30 | $956,583 | 22,600 | Put | Sole | 2023-11-14 | |
| 2023-06-30 | $74,291,037 | 1,870,995 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $122,068,133 | 2,940,926 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $26,369,035 | 545,040 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $8,349,757 | 193,940 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $63,448,035 | 1,394,257 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $40,068,948 | 902,590 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $49,625,541 | 1,355,230 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $9,107,905 | 280,033 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $29,628,895 | 895,674 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $4,532,957 | 135,357 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $21,148,570 | 716,415 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $7,476,721 | 275,104 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $23,877,687 | 937,770 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $6,136,870 | 264,672 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||