{"data":[{"accessionNo":"0002100119-26-000264","formType":"SCHEDULE 13G","amendmentNo":null,"issuerCik":"0000104918","issuerName":"Avista Corp","ticker":"AVA","cusip":"05379B107","securityClass":"Common Stock","eventDate":"2026-03-31","reportingPerson":"Vanguard Capital Management","reportingCik":null,"personType":"IA","sharesOwned":4337628,"percentOfClass":5.27,"filedAt":"2026-04-29"},{"accessionNo":"0002100121-26-000137","formType":"SCHEDULE 13G","amendmentNo":null,"issuerCik":"0000104918","issuerName":"Avista Corp","ticker":"AVA","cusip":"05379B107","securityClass":"Common Stock","eventDate":"2026-03-31","reportingPerson":"Vanguard Portfolio Management","reportingCik":null,"personType":"IA","sharesOwned":7011953,"percentOfClass":8.52,"filedAt":"2026-04-28"},{"accessionNo":"0000102909-26-000720","formType":"SCHEDULE 13G/A","amendmentNo":16,"issuerCik":"0000104918","issuerName":"Avista Corp","ticker":"AVA","cusip":"05379B107","securityClass":"Common Stock","eventDate":"2026-03-13","reportingPerson":"The Vanguard Group","reportingCik":null,"personType":"IA","sharesOwned":0,"percentOfClass":0,"filedAt":"2026-03-26"},{"accessionNo":"0000102909-25-000040","formType":"SCHEDULE 13G/A","amendmentNo":15,"issuerCik":"0000104918","issuerName":"Avista Corp","ticker":"AVA","cusip":null,"securityClass":"Common Stock","eventDate":"2025-09-30","reportingPerson":"The Vanguard Group","reportingCik":null,"personType":"IA","sharesOwned":10835413,"percentOfClass":13.35,"filedAt":"2025-10-30"}],"updatedAt":"2026-09-14T17:58:05.158Z","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"}