Mitsui Sumitomo Insurance Co Ltd
Mitsui Sumitomo Insurance Co Ltd reported 1 US-listed holding worth $4.15 billion in its 13F for the quarter ended 30 June 2026, filed 13 August 2026. Its largest: W. R. Berkley Corp. (100.0%). Against the quarter before, it opened 0 positions, added to 0, trimmed 0 and sold out of 0.
Filed before as Mitsui Sumitomo Insurance Co. Ltd.
Reported holdings$4.15B+6.4% on Q1 2026
Positions1as many as Q1 2026
The largest ten100.0%of its reported holdings
Latest 13FQ2 2026filed 13 August 2026
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| W. R. Berkley Corp. WRB | 58,780,450 | $4.15 billion | 100.00% | no change |
Every US-listed position in the fund's 13F for the quarter ended 30 June 2026, by the value it reported.