Significant Ownership of MITSUI SUMITOMO INSURANCE CO LTD

Signature - Title
/s/ Hironori Morimoto - Hironori Morimoto/Authorized Signatory
Location
Tokyo, Japan
Summary
This page shows a list of all the recent SCHEDULE 13D/G filings made by MITSUI SUMITOMO INSURANCE CO LTD.

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Significant Ownership of MITSUI SUMITOMO INSURANCE CO LTD

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
WRB W. R. BERKLEY CORPORATION Common Stock, par value $0.20 per share 12.8% $3.74B 48.6M Mitsui Sumitomo Insurance Co., Ltd. 04 Dec 2025

Schedules 13D/G Reported by MITSUI SUMITOMO INSURANCE CO LTD:

Sym Target Class Ownership Change Current Shares Change Value Reporting name Form Report Period Filing Date
* An asterisk sign (*) next to the price indicates that the price is likely invalid.