Skip to main content

Mitsui Sumitomo Insurance Co Ltd

Insurance

Position in WRB — Berkley W R Corp

CIK 1142206 Tokyo, M0

Position in WRB

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$4,145,785,138
+$249,816,912 QoQ
Shares Held
58,780,450
0.0% QoQ
Ownership
15.8%
of shares outstanding
% of Portfolio
100.00%
of 13F equity value
Holder Rank
#1
of 950 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in WRB Over Time

Shares Held

Position Value (USD)

Position in Insurance - Property & Casualty

Financial Services · as of Jun 30, 2026

Mitsui Sumitomo Insurance Co Ltd holds $4,145,785,138 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 $4,145,785,138

All Filings in WRB

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,145,785,138 58,780,450
2026-06-03 $3,837,775,580 58,780,450
2026-03-31 $3,895,968,226 58,780,450
2026-03-04 $4,137,555,875 58,780,450
2026-02-05 $4,024,937,586 56,458,656
2026-01-13 $3,585,402,272 52,726,504
2025-12-31 $3,542,918,951 50,526,511
2025-12-04 $3,444,394,541 48,601,588