<SEC-DOCUMENT>0001379491-17-006773-index.html : 20171018 <SEC-HEADER>0001379491-17-006773.hdr.sgml : 20171018 <ACCEPTANCE-DATETIME>20171018094844 ACCESSION NUMBER: 0001379491-17-006773 CONFORMED SUBMISSION TYPE: 497 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20171018 DATE AS OF CHANGE: 20171018 EFFECTIVENESS DATE: 20171018 FILER: COMPANY DATA: COMPANY CONFORMED NAME: FIDELITY SECURITIES FUND CENTRAL INDEX KEY: 0000754510 IRS NUMBER: 000000000 STATE OF INCORPORATION: MA FISCAL YEAR END: 0731 FILING VALUES: FORM TYPE: 497 SEC ACT: 1933 Act SEC FILE NUMBER: 002-93601 FILM NUMBER: 171141956 BUSINESS ADDRESS: STREET 1: 245 SUMMER STREET CITY: BOSTON STATE: MA ZIP: 02210 BUSINESS PHONE: 617-563-7000 MAIL ADDRESS: STREET 1: 245 SUMMER STREET CITY: BOSTON STATE: MA ZIP: 02210 <SERIES-AND-CLASSES-CONTRACTS-DATA> <EXISTING-SERIES-AND-CLASSES-CONTRACTS> <SERIES> <OWNER-CIK>0000754510 <SERIES-ID>S000056372 <SERIES-NAME>Fidelity Flex Large Cap Growth Fund <CLASS-CONTRACT> <CLASS-CONTRACT-ID>C000177599 <CLASS-CONTRACT-NAME>Fidelity Flex Large Cap Growth Fund <CLASS-CONTRACT-TICKER-SYMBOL>FLCLX </CLASS-CONTRACT> </SERIES> </EXISTING-SERIES-AND-CLASSES-CONTRACTS> </SERIES-AND-CLASSES-CONTRACTS-DATA> </SEC-HEADER> <DOCUMENT> <TYPE>497 <SEQUENCE>1 <FILENAME>filing989.htm <DESCRIPTION>PRIMARY DOCUMENT <TEXT> Document 1 - file: filing989.htm
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