0001172661-21-001108.txt : 20210513 0001172661-21-001108.hdr.sgml : 20210513 20210513145308 ACCESSION NUMBER: 0001172661-21-001108 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20210331 FILED AS OF DATE: 20210513 DATE AS OF CHANGE: 20210513 EFFECTIVENESS DATE: 20210513 FILER: COMPANY DATA: COMPANY CONFORMED NAME: FRONTIER CAPITAL MANAGEMENT CO LLC CENTRAL INDEX KEY: 0000351173 IRS NUMBER: 043492668 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-01185 FILM NUMBER: 21918818 BUSINESS ADDRESS: STREET 1: 99 SUMMER ST CITY: BOSTON STATE: MA ZIP: 02110 BUSINESS PHONE: 6172610777 MAIL ADDRESS: STREET 1: 99 SUMMER ST CITY: BOSTON STATE: MA ZIP: 02110 FORMER COMPANY: FORMER CONFORMED NAME: FRONTIER CAPITAL MANAGEMENT CO INC DATE OF NAME CHANGE: 19990326 FORMER COMPANY: FORMER CONFORMED NAME: FRONTIER CAPITAL MANAGEMENT CORP DATE OF NAME CHANGE: 19810306 13F-HR 1 primary_doc.xml 13F-HR LIVE false true false 0000351173 XXXXXXXX 03-31-2021 03-31-2021 false FRONTIER CAPITAL MANAGEMENT CO LLC

99 Summer St Boston MA 02110

13F HOLDINGS REPORT 028-01185 N Robert E. Phay, Jr. 617-261-0777 s/ Robert E. Phay, Jr. Boston MA 05-13-2021 0 276 13217270 INFORMATION TABLE 2 infotable.xml 2U INC COM 90214J101 29100 761185 SH SOLE 644477 0 116708 ABIOMED INC COM 003654100 3945 12376 SH SOLE 9453 0 2923 ACADIA HEALTHCARE COMPANY IN COM 00404A109 59085 1034045 SH SOLE 458678 0 575367 ACADIA PHARMACEUTICALS INC COM 004225108 11904 461377 SH SOLE 124169 0 337208 ACCELERON PHARMA INC COM 00434H108 20194 148912 SH SOLE 15756 0 133156 ADAPTIVE BIOTECHNOLOGIES COR COM 00650F109 9525 236587 SH SOLE 25035 0 211552 ADC THERAPEUTICS SA SHS H0036K147 1907 78137 SH SOLE 8266 0 69871 ADTALEM GLOBAL ED INC COM 00737L103 101520 2567516 SH SOLE 1028687 0 1538829 ADVANCE AUTO PARTS INC COM 00751Y106 85699 467050 SH SOLE 310420 0 156630 ADVANCED MICRO DEVICES INC COM 007903107 69239 882030 SH SOLE 545943 0 336087 AECOM COM 00766T100 40271 628162 SH SOLE 222159 0 406003 AERIE PHARMACEUTICALS INC COM 00771V108 7727 432373 SH SOLE 341450 0 90923 AGILENT TECHNOLOGIES INC COM 00846U101 53734 422634 SH SOLE 262876 0 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