<SEC-DOCUMENT>0000880195-17-000368-index.html : 20171103
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<ACCEPTANCE-DATETIME>20171103092932
ACCESSION NUMBER:		0000880195-17-000368
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		16
FILED AS OF DATE:		20171103
DATE AS OF CHANGE:		20171103
EFFECTIVENESS DATE:		20171103

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:		171174826

	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
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<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>
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<TYPE>497
<SEQUENCE>1
<FILENAME>securitiesflexlargecapgrowth.htm
<TEXT>
Document 1 - file: securitiesflexlargecapgrowth.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.INS <SEQUENCE>2 <FILENAME>fsf-20171018.xml <TEXT> Document 2 - file: fsf-20171018.xml
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</DOCUMENT> <DOCUMENT> <TYPE>EX-101.CAL <SEQUENCE>4 <FILENAME>fsf-20171018_cal.xml <TEXT> Document 4 - file: fsf-20171018_cal.xml
</DOCUMENT> <DOCUMENT> <TYPE>EX-101.DEF <SEQUENCE>5 <FILENAME>fsf-20171018_def.xml <TEXT> Document 5 - file: fsf-20171018_def.xml
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