<SEC-DOCUMENT>0001379491-17-000881-index.html : 20170331
<SEC-HEADER>0001379491-17-000881.hdr.sgml : 20170331

<ACCEPTANCE-DATETIME>20170217134243

<PRIVATE-TO-PUBLIC>

ACCESSION NUMBER:		0001379491-17-000881

CONFORMED SUBMISSION TYPE:	485BPOS

PUBLIC DOCUMENT COUNT:		16

FILED AS OF DATE:		20170217

DATE AS OF CHANGE:		20170217

EFFECTIVENESS DATE:		20170217


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:		485BPOS

		SEC ACT:		1933 Act

		SEC FILE NUMBER:	002-93601

		FILM NUMBER:		17620756



	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




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:		485BPOS

		SEC ACT:		1940 Act

		SEC FILE NUMBER:	811-04118

		FILM NUMBER:		17620757



	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>485BPOS
<SEQUENCE>1
<FILENAME>filing989.htm
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: filing989.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.D ADVSR CONTR <SEQUENCE>2 <FILENAME>d6.htm <DESCRIPTION>D6.HTM <TEXT> Document 2 - file: d6.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.D ADVSR CONTR <SEQUENCE>3 <FILENAME>d22.htm <DESCRIPTION>D22.HTM <TEXT> Document 3 - file: d22.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.D ADVSR CONTR <SEQUENCE>4 <FILENAME>d39.htm <DESCRIPTION>D39.HTM <TEXT> Document 4 - file: d39.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.D ADVSR CONTR <SEQUENCE>5 <FILENAME>d40.htm <DESCRIPTION>D40.HTM <TEXT> Document 5 - file: d40.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.D ADVSR CONTR <SEQUENCE>6 <FILENAME>d44.htm <DESCRIPTION>D44.HTM <TEXT> Document 6 - file: d44.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.D ADVSR CONTR <SEQUENCE>7 <FILENAME>d45.htm <DESCRIPTION>D45.HTM <TEXT> Document 7 - file: d45.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.D ADVSR CONTR <SEQUENCE>8 <FILENAME>d51.htm <DESCRIPTION>D51.HTM <TEXT> Document 8 - file: d51.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.D ADVSR CONTR <SEQUENCE>9 <FILENAME>d52.htm <DESCRIPTION>D52.HTM <TEXT> Document 9 - file: d52.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.E UNDR CONTR <SEQUENCE>10 <FILENAME>e6.htm <DESCRIPTION>E6.HTM <TEXT> Document 10 - file: e6.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.M 12B-1 PLAN <SEQUENCE>11 <FILENAME>m9.htm <DESCRIPTION>M9.HTM <TEXT> Document 11 - file: m9.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.I LEGAL OPININ <SEQUENCE>13 <FILENAME>seci.htm <DESCRIPTION>SECI.HTM <TEXT> Document 13 - file: seci.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>fipro_logo.jpg <TEXT> Document 15 - file: fipro_logo.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>fi_logo.jpg <TEXT> Document 16 - file: fi_logo.jpg
</DOCUMENT> <DOCUMENT> <TYPE>CORRESP <SEQUENCE>17 <FILENAME>filename17.htm <TEXT> Document 17 - file: filename17.htm
</DOCUMENT> <DOCUMENT> <TYPE>CORRESP <SEQUENCE>18 <FILENAME>filename18.htm <TEXT> Document 18 - file: filename18.htm
</DOCUMENT> </SEC-DOCUMENT>