0001752724-21-106002.txt : 20210524 0001752724-21-106002.hdr.sgml : 20210524 20210524102458 ACCESSION NUMBER: 0001752724-21-106002 CONFORMED SUBMISSION TYPE: NPORT-P PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210331 FILED AS OF DATE: 20210524 PERIOD START: 20210930 FILER: COMPANY DATA: COMPANY CONFORMED NAME: MFS SERIES TRUST XI CENTRAL INDEX KEY: 0000911637 IRS NUMBER: 000000000 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: NPORT-P SEC ACT: 1940 Act SEC FILE NUMBER: 811-07992 FILM NUMBER: 21951738 BUSINESS ADDRESS: STREET 1: 111 HUNTINGTON AVENUE STREET 2: 24TH FLOOR CITY: BOSTON STATE: MA ZIP: 02199 BUSINESS PHONE: 18006372929 MAIL ADDRESS: STREET 1: 111 HUNTINGTON AVENUE STREET 2: 24TH FLOOR CITY: BOSTON STATE: MA ZIP: 02199 FORMER COMPANY: FORMER CONFORMED NAME: MFS UNION STANDARD TRUST DATE OF NAME CHANGE: 19930907 0000911637 S000002500 MFS Blended Research Core Equity Fund C000006789 A MUEAX C000006790 B MUSBX C000006791 C MUECX C000006792 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