{"data":[{"accessionNo":"0002100119-26-000009","formType":"SCHEDULE 13G","amendmentNo":null,"issuerCik":"0000896159","issuerName":"Chubb Ltd","ticker":"CB","cusip":"H1467J104","securityClass":"Common Stock","eventDate":"2026-03-31","reportingPerson":"Vanguard Capital Management","reportingCik":null,"personType":"IA","sharesOwned":26869666,"percentOfClass":6.88,"filedAt":"2026-04-28","canonicalUrl":"https://xoomar.com/markets/stocks/cb"},{"accessionNo":"0000102909-26-000448","formType":"SCHEDULE 13G/A","amendmentNo":11,"issuerCik":"0000896159","issuerName":"Chubb Ltd","ticker":"CB","cusip":"H1467J104","securityClass":"Common Stock","eventDate":"2026-03-13","reportingPerson":"The Vanguard Group","reportingCik":null,"personType":"IA","sharesOwned":0,"percentOfClass":0,"filedAt":"2026-03-26","canonicalUrl":"https://xoomar.com/markets/stocks/cb"},{"accessionNo":"0001193125-25-283631","formType":"SCHEDULE 13G/A","amendmentNo":1,"issuerCik":"0000896159","issuerName":"CHUBB LIMITED","ticker":"CB","cusip":null,"securityClass":"COMMON STOCK","eventDate":"2025-09-30","reportingPerson":"Warren E. Buffett","reportingCik":null,"personType":"IN","sharesOwned":31332895,"percentOfClass":8,"filedAt":"2025-11-14","canonicalUrl":"https://xoomar.com/markets/stocks/cb"},{"accessionNo":"0001193125-25-283631","formType":"SCHEDULE 13G/A","amendmentNo":1,"issuerCik":"0000896159","issuerName":"CHUBB LIMITED","ticker":"CB","cusip":null,"securityClass":"COMMON STOCK","eventDate":"2025-09-30","reportingPerson":"Berkshire Hathaway Inc.","reportingCik":null,"personType":"HC,CO","sharesOwned":31332895,"percentOfClass":8,"filedAt":"2025-11-14","canonicalUrl":"https://xoomar.com/markets/stocks/cb"},{"accessionNo":"0001193125-25-283631","formType":"SCHEDULE 13G/A","amendmentNo":1,"issuerCik":"0000896159","issuerName":"CHUBB LIMITED","ticker":"CB","cusip":null,"securityClass":"COMMON STOCK","eventDate":"2025-09-30","reportingPerson":"National Indemnity Company","reportingCik":null,"personType":"IC,CO","sharesOwned":31332895,"percentOfClass":8,"filedAt":"2025-11-14","canonicalUrl":"https://xoomar.com/markets/stocks/cb"}],"updatedAt":"2026-11-03T18:51:20.934Z","source":"xoomar.com","docs":"https://xoomar.com/markets/api","license":"https://xoomar.com/terms","attribution":"Credit XOOMAR with a link to the dataset page on xoomar.com when you republish this data","canonicalUrl":"https://xoomar.com/markets/stocks/cb","meta":{"source":"SEC","sourceAttribution":"Schedule 13D and 13G data: SEC.","notice":"10 requests a minute without a key, 30 with a free key. Get a free key at https://xoomar.com/signup?utm_source=api, register your app at https://xoomar.com/developers/register?utm_source=api, and credit the data as \"Data: XOOMAR\" together with the sourceAttribution line."}}