Schedule 13D ownership disclosure
BERKLEY W R CORP COM
Common Stock, par value $0.20 per share · CUSIP: 084423102
Event date: 2026-03-04
Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.
- Filing-level shares
- Unavailable
- Percent of class
- Unavailable
- Mitsui Sumitomo Insurance Co., Ltd.Reported CIK 0001142206
Shares: 58,780,450.00 · Class: 15.7%
- MS&AD Insurance Group Holdings, Inc.Reported CIK 0001431048
Shares: 58,780,450.00 · Class: 15.7%
Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.
Source: SEC EDGAR filingFiling metadata
- Accession number
- 0001193125-26-092498
- Form type
- SCHEDULE 13D/A
- Filer
- BERKLEY W R CORP
- CIK
- CIK 11544
- Filed
- Mar 05, 2026
- Reporting period
- Mar 04, 2026
- Description
- Schedule 13D beneficial ownership