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$WRB-PH · BERKLEY W R CORP

Not currently held by tracked 13F filers — this page aggregates activist, insider, politician and research activity.

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Activist 13D filings daily digest →

FiledFormActivist% of classConviction
2026-03-05SCHEDULE 13D/AMITSUI SUMITOMO INSURANCE CO LTD15.7%Highfiling
2026-03-05SCHEDULE 13D/ABERKLEY WILLIAM R25.5%Medfiling
2026-02-06SCHEDULE 13D/AMITSUI SUMITOMO INSURANCE CO LTD14.9%Highfiling
2026-01-14SCHEDULE 13D/AMITSUI SUMITOMO INSURANCE CO LTD13.9%Highfiling

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