0001085146-21-001659.txt : 20210514 0001085146-21-001659.hdr.sgml : 20210514 20210514104253 ACCESSION NUMBER: 0001085146-21-001659 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20210331 FILED AS OF DATE: 20210514 DATE AS OF CHANGE: 20210514 EFFECTIVENESS DATE: 20210514 FILER: COMPANY DATA: COMPANY CONFORMED NAME: WESTFIELD CAPITAL MANAGEMENT CO LP CENTRAL INDEX KEY: 0001177719 IRS NUMBER: 800175963 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-10220 FILM NUMBER: 21922576 BUSINESS ADDRESS: STREET 1: ONE FINANCIAL CENTER STREET 2: 23RD FLOOR CITY: BOSTON STATE: MA ZIP: 02111 BUSINESS PHONE: 6174287100 MAIL ADDRESS: STREET 1: ONE FINANCIAL CENTER STREET 2: 23RD FLOOR CITY: BOSTON STATE: MA ZIP: 02111 FORMER COMPANY: FORMER CONFORMED NAME: WESTFIELD CAPITAL MANAGEMENT CO LLC DATE OF NAME CHANGE: 20020717 13F-HR 1 primary_doc.xml 13F-HR LIVE false false false 0001177719 XXXXXXXX 03-31-2021 03-31-2021 false WESTFIELD CAPITAL MANAGEMENT CO LP

ONE FINANCIAL CENTER 23RD FLOOR BOSTON MA 02111

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