DOSSIER · 13F Holders · Q1 2026Financial Services · Fire, Marine & Casualty Insurance
WRB
BERKLEY W R CORP
972 institutions still hold BERKLEY W R CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 084423102·Fire, Marine & Casualty Insurance·972 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
972 institutions reported WRB in Q1 2026. MITSUI SUMITOMO INSURANCE CO LTD leads at 30.1% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.
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