Institutions / Mitsui Sumitomo Insurance Co., Ltd.

Mitsui Sumitomo Insurance Co., Ltd.

CIK 1142206 · Institutionalso an insider · as of Mar 31, 2026
Portfolio value
$3.90B
Positions
1
As of
Mar 31, 2026

Portfolio trend

Portfolio value

$3.90B+10.0%
$3.90B$3.72B$3.54BQ4 '25Q1 '26

Positions

1+0.0%
111Q4 '25Q1 '26

Top holdings

Mar 31, 2026
CompanyClassValueShares% of portfolio
W. R. Berkley Corporation—$3.90B58,780,450100.0%

Activity

Mar 31, 2026View full history →
InsidersInstitutions
This fund's 13F position changes — what it's buying and selling.
DateActionCompanyValueShares ΔPosition afterImpact
Q1 2026
as of
AddW. R. Berkley Corporation
Common stock
$547.07M+8.3M
+16.34%
58,780,450
100.00% of portfolio
high

Insider transactions

Also files Forms 3 / 4 / 5
DateActionCompanyValueShares ΔPosition afterImpact
Jan 22, 2026BuyWRB
W. R. Berkley Corporation
Common Stock
$22.26M+330K
+0.61%
54,221,504
14.61% of shares
high
Jan 27, 2026BuyWRB
W. R. Berkley Corporation
Common Stock
$21.97M+326K
+0.59%
55,298,251
14.90% of shares
high
Feb 19, 2026BuyWRB
W. R. Berkley Corporation
Common Stock
$21.23M+301K
+0.53%
57,464,024
15.48% of shares
high
Feb 17, 2026BuyWRB
W. R. Berkley Corporation
Common Stock
$20.03M+281K
+0.50%
56,878,038
15.32% of shares
high
Jan 26, 2026BuyWRB
W. R. Berkley Corporation
Common Stock
$19.63M+294K
+0.54%
54,883,115
14.78% of shares
high
Jan 28, 2026BuyWRB
W. R. Berkley Corporation
Common Stock
$18.95M+280K
+0.51%
55,589,858
14.97% of shares
high
Jan 20, 2026BuyWRB
W. R. Berkley Corporation
Common Stock
$17.95M+265K
+0.50%
53,526,510
14.42% of shares
high
Jan 29, 2026BuyWRB
W. R. Berkley Corporation
Common Stock
$17.86M+262K
+0.47%
55,880,717
15.05% of shares
high
Jan 21, 2026BuyWRB
W. R. Berkley Corporation
Common Stock
$17.64M+261K
+0.49%
53,891,504
14.52% of shares
high
Jan 12, 2026BuyWRB
W. R. Berkley Corporation
Common Stock
$17.60M+256K
+0.49%
52,171,504
14.05% of shares
high