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$WRB:NYSE · BERKLEY W R CORP

Conviction from: S&PCitrini

W. R. Berkley — specialty insurance

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

Beyond 13F — activists, insiders, politicians & research

Insider open-market buys daily digest →

FiledInsiderRoleSharesValue
2026-03-03MITSUI SUMITOMO INSURANCE CO LTD (cluster of 2)10%-owner258,176$18,745,288Form 4
2026-02-27MITSUI SUMITOMO INSURANCE CO LTD (cluster of 2)10%-owner300,000$21,495,514Form 4
2026-02-25MS&AD Insurance Group Holdings, Inc. (cluster of 2)10%-owner553,654$39,379,913Form 4
2026-02-20MS&AD Insurance Group Holdings, Inc. (cluster of 2)10%-owner505,582$35,744,749Form 4
2026-02-18MITSUI SUMITOMO INSURANCE CO LTD (cluster of 2)10%-owner566,386$40,164,364Form 4
2026-02-13MS&AD Insurance Group Holdings, Inc. (cluster of 2)10%-owner40,000$2,837,178Form 4
2026-02-11MS&AD Insurance Group Holdings, Inc. (cluster of 2)10%-owner97,996$6,828,056Form 4
2026-02-06MS&AD Insurance Group Holdings, Inc. (cluster of 2)10%-owner40,000$2,835,202Form 4
2026-02-04MITSUI SUMITOMO INSURANCE CO LTD (cluster of 2)10%-owner315,221$21,452,267Form 4
2026-01-30MITSUI SUMITOMO INSURANCE CO LTD (cluster of 2)10%-owner485,000$33,086,705Form 4
2026-01-28MS&AD Insurance Group Holdings, Inc. (cluster of 2)10%-owner1,028,931$69,299,283Form 4
2026-01-23MS&AD Insurance Group Holdings, Inc. (cluster of 2)10%-owner698,000$46,898,297Form 4
2026-01-21MS&AD Insurance Group Holdings, Inc. (cluster of 2)10%-owner630,000$42,610,997Form 4
2026-01-16MS&AD Insurance Group Holdings, Inc. (cluster of 2)10%-owner535,000$36,645,837Form 4
2026-01-14MITSUI SUMITOMO INSURANCE CO LTD (cluster of 2)10%-owner811,041$55,620,900Form 4

Congressional trades all politician trades →

10 disclosed trade(s) by 1 filer(s).

Trade dateWhoTypeAmount
2026-06-05Gilbert Cisneros CA31SELL$1,001 - $15,000PTR
2026-05-29Gilbert Cisneros CA31SELL$1,001 - $15,000PTR
2026-05-19Gilbert Cisneros CA31SELL$1,001 - $15,000PTR
2026-05-14Gilbert Cisneros CA31SELL$1,001 - $15,000PTR
2026-05-13Gilbert Cisneros CA31SELL$1,001 - $15,000PTR
2026-05-12Gilbert Cisneros CA31SELL$1,001 - $15,000PTR
2026-05-07Gilbert Cisneros CA31SELL$1,001 - $15,000PTR
2026-03-18Gilbert Cisneros CA31SELL$1,001 - $15,000PTR
2026-01-20Gilbert Cisneros CA31SELL$1,001 - $15,000PTR
2026-01-06Gilbert Cisneros CA31SELL$1,001 - $15,000PTR

Trump & executive branch trades all Trump/exec trades →

5 disclosed trade(s) by 1 filer(s).

Trade dateWhoTypeAmount
2026-07-01Trump, Donald J PresidentBUY$50,001 - $100,000PTR
2026-07-01Trump, Donald J PresidentBUY$250,001 - $500,000PTR
2026-07-01Trump, Donald J PresidentBUY$1,001 - $15,000PTR
2026-05-14Trump, Donald J PresidentSELL$15,004 - $50,000PTR
2026-05-14Trump, Donald J PresidentBUY$250,001 - $500,000PTR

Citrini Research coverage report library →

ReportDateStance
#90 — Market Memo: Insuring Against Insanity2025-03-31LONG

from2028 — cross-site stock view. Rebuilt at publish time.