0001752724-20-022241.txt : 20200218 0001752724-20-022241.hdr.sgml : 20200218 20200218105039 ACCESSION NUMBER: 0001752724-20-022241 CONFORMED SUBMISSION TYPE: NPORT-P PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20191231 FILED AS OF DATE: 20200218 PERIOD START: 20191231 FILER: COMPANY DATA: COMPANY CONFORMED NAME: WILLIAM BLAIR FUNDS CENTRAL INDEX KEY: 0000822632 IRS NUMBER: 000000000 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: NPORT-P SEC ACT: 1940 Act SEC FILE NUMBER: 811-05344 FILM NUMBER: 20624001 BUSINESS ADDRESS: STREET 1: 150 NORTH RIVERSIDE PLAZA CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 3123648000 MAIL ADDRESS: STREET 1: 150 NORTH RIVERSIDE PLAZA CITY: CHICAGO STATE: IL ZIP: 60606 FORMER COMPANY: FORMER CONFORMED NAME: WILLIAM BLAIR MUTUAL FUNDS INC DATE OF NAME CHANGE: 19960112 FORMER COMPANY: FORMER CONFORMED NAME: BLAIR WILLIAM READY RESERVES INC DATE OF NAME CHANGE: 19920316 0000822632 S000008601 William Blair Large Cap Growth Fund C000023538 Class N 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Principal Financial Officer