0001644956-19-000005.txt : 20190809 0001644956-19-000005.hdr.sgml : 20190809 20190809154346 ACCESSION NUMBER: 0001644956-19-000005 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20190630 FILED AS OF DATE: 20190809 DATE AS OF CHANGE: 20190809 EFFECTIVENESS DATE: 20190809 FILER: COMPANY DATA: COMPANY CONFORMED NAME: WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC CENTRAL INDEX KEY: 0001644956 IRS NUMBER: 472614791 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-17022 FILM NUMBER: 191012842 BUSINESS ADDRESS: STREET 1: 150 NORTH RIVERSIDE PLAZA CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 312-236-1600 MAIL ADDRESS: STREET 1: 150 NORTH RIVERSIDE PLAZA CITY: CHICAGO STATE: IL ZIP: 60606 13F-HR 1 primary_doc.xml 13F-HR LIVE false false false 0001644956 XXXXXXXX 06-30-2019 06-30-2019 WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

150 NORTH RIVERSIDE PLAZA CHICAGO IL 60606

13F COMBINATION REPORT 028-17022 0001692234 028-17598 Russell Investments Group, Ltd. 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