{"data":[{"accessionNo":"0002100121-26-001123","formType":"SCHEDULE 13G/A","amendmentNo":1,"issuerCik":"0001281895","issuerName":"Rocket Pharmaceuticals Inc","ticker":"RCKT","cusip":"77313F106","securityClass":"Common Stock","eventDate":"2026-09-30","reportingPerson":"Vanguard Portfolio Management","reportingCik":null,"personType":"IA","sharesOwned":1463677,"percentOfClass":1.33,"filedAt":"2026-10-30","canonicalUrl":"https://xoomar.com/markets/stocks/rckt"},{"accessionNo":"0002100121-26-001008","formType":"SCHEDULE 13G","amendmentNo":null,"issuerCik":"0001281895","issuerName":"Rocket Pharmaceuticals Inc","ticker":"RCKT","cusip":"77313F106","securityClass":"Common Stock","eventDate":"2026-06-30","reportingPerson":"Vanguard Portfolio Management","reportingCik":null,"personType":"IA","sharesOwned":5847541,"percentOfClass":5.35,"filedAt":"2026-07-31","canonicalUrl":"https://xoomar.com/markets/stocks/rckt"},{"accessionNo":"0000102909-26-002213","formType":"SCHEDULE 13G/A","amendmentNo":4,"issuerCik":"0001281895","issuerName":"Rocket Pharmaceuticals Inc","ticker":"RCKT","cusip":"77313F106","securityClass":"Common Stock","eventDate":"2026-03-13","reportingPerson":"The Vanguard Group","reportingCik":null,"personType":"IA","sharesOwned":0,"percentOfClass":0,"filedAt":"2026-03-27","canonicalUrl":"https://xoomar.com/markets/stocks/rckt"},{"accessionNo":"0001012975-26-000137","formType":"SCHEDULE 13G/A","amendmentNo":2,"issuerCik":"0001281895","issuerName":"Rocket Pharmaceuticals, Inc.","ticker":"RCKT","cusip":null,"securityClass":"Common stock, $0.01 par value per share","eventDate":"2025-12-31","reportingPerson":"Maverick Capital, Ltd.","reportingCik":null,"personType":"IA","sharesOwned":2513110,"percentOfClass":2.3,"filedAt":"2026-02-13","canonicalUrl":"https://xoomar.com/markets/stocks/rckt"},{"accessionNo":"0001012975-26-000137","formType":"SCHEDULE 13G/A","amendmentNo":2,"issuerCik":"0001281895","issuerName":"Rocket Pharmaceuticals, Inc.","ticker":"RCKT","cusip":null,"securityClass":"Common stock, $0.01 par value per share","eventDate":"2025-12-31","reportingPerson":"Maverick Capital Management, LLC","reportingCik":null,"personType":"HC","sharesOwned":2513110,"percentOfClass":2.3,"filedAt":"2026-02-13","canonicalUrl":"https://xoomar.com/markets/stocks/rckt"},{"accessionNo":"0001012975-26-000137","formType":"SCHEDULE 13G/A","amendmentNo":2,"issuerCik":"0001281895","issuerName":"Rocket Pharmaceuticals, Inc.","ticker":"RCKT","cusip":null,"securityClass":"Common stock, $0.01 par value per share","eventDate":"2025-12-31","reportingPerson":"Lee S. Ainslie III","reportingCik":null,"personType":"IN","sharesOwned":2513110,"percentOfClass":2.3,"filedAt":"2026-02-13","canonicalUrl":"https://xoomar.com/markets/stocks/rckt"},{"accessionNo":"0000102909-26-000302","formType":"SCHEDULE 13G/A","amendmentNo":3,"issuerCik":"0001281895","issuerName":"Rocket Pharmaceuticals Inc","ticker":"RCKT","cusip":null,"securityClass":"Common Stock","eventDate":"2025-12-31","reportingPerson":"The Vanguard Group","reportingCik":null,"personType":"IA","sharesOwned":8544423,"percentOfClass":7.89,"filedAt":"2026-01-30","canonicalUrl":"https://xoomar.com/markets/stocks/rckt"}],"updatedAt":"2026-11-05T14:22:24.406Z","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/rckt","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."}}