Position in WRB
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$3,895,968,226
+$353,049,275 QoQ
Shares Held
58,780,450
+16.3% QoQ
Ownership
15.8%
of shares outstanding
% of Portfolio
100.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2025
2 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)
Position in Insurance - Property & Casualty
Financial Services · as of Mar 31, 2026Mitsui Sumitomo Insurance Co Ltd holds $3,895,968,226 across 1 Insurance - Property & Casualty name. WRB ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WRB |
Berkley W R Corp
This page
|
58,780,450 | $3,895,968,226 |
All Filings in WRB
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7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-03 | $3,837,775,580 | 58,780,450 | Shares | Sole | 2026-06-04 | |
| 2026-03-31 | $3,895,968,226 | 58,780,450 | Shares | Defined | 2026-05-14 | |
| 2026-03-04 | $4,137,555,875 | 58,780,450 | Shares | Sole | 2026-03-05 | |
| 2026-02-05 | $4,024,937,586 | 56,458,656 | Shares | Sole | 2026-02-06 | |
| 2026-01-13 | $3,585,402,272 | 52,726,504 | Shares | Sole | 2026-01-14 | |
| 2025-12-31 | $3,542,918,951 | 50,526,511 | Shares | Defined | 2026-02-17 | |
| 2025-12-04 | $3,444,394,541 | 48,601,588 | Shares | Sole | 2025-12-11 | |
| No filing history on record for this holder in this stock. | ||||||