- Info
- Portfolio
- Significant Ownership
- Insider Ownership
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.
Follow Filing Activity
Follow MITSUI SUMITOMO INSURANCE CO LTD and return when a new Schedule 13D/G filing appears.
This tracks SEC filing changes for this page using existing product update flows.
Continue schedule research
Related filing hubs for this reporting manager, useful for reinforcing crawl paths across the schedule cluster.
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 | 16% | $4,205,153,393 | +$166,101,143 | 58,780,450 | +4.1% | Mitsui Sumitomo Insurance Co., Ltd. | 04 Mar 2026 |
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.