<SEC-DOCUMENT>0000320351-15-000007-index.html : 20150128
<SEC-HEADER>0000320351-15-000007.hdr.sgml : 20150128
<ACCEPTANCE-DATETIME>20150128101233
ACCESSION NUMBER:		0000320351-15-000007
CONFORMED SUBMISSION TYPE:	485BPOS
PUBLIC DOCUMENT COUNT:		16
FILED AS OF DATE:		20150128
DATE AS OF CHANGE:		20150128
EFFECTIVENESS DATE:		20150129

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIDELITY MT VERNON STREET TRUST
		CENTRAL INDEX KEY:			0000707823
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-79755
		FILM NUMBER:		15553462

	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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIDELITY GROWTH COMPANY FUND
		DATE OF NAME CHANGE:	19910110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIDELITY MERCURY FUND
		DATE OF NAME CHANGE:	19861216

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FIDELITY MT VERNON STREET TRUST
		CENTRAL INDEX KEY:			0000707823
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1130

	FILING VALUES:
		FORM TYPE:		485BPOS
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-03583
		FILM NUMBER:		15553463

	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

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIDELITY GROWTH COMPANY FUND
		DATE OF NAME CHANGE:	19910110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIDELITY MERCURY FUND
		DATE OF NAME CHANGE:	19861216
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000707823
<SERIES-ID>S000007118
<SERIES-NAME>Fidelity Growth Strategies Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000019447
<CLASS-CONTRACT-NAME>Fidelity Growth Strategies Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FDEGX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000064241
<CLASS-CONTRACT-NAME>Class K
<CLASS-CONTRACT-TICKER-SYMBOL>FAGKX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000707823
<SERIES-ID>S000007119
<SERIES-NAME>Fidelity Growth Company Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000019448
<CLASS-CONTRACT-NAME>Fidelity Growth Company Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FDGRX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000064242
<CLASS-CONTRACT-NAME>Class K
<CLASS-CONTRACT-TICKER-SYMBOL>FGCKX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000707823
<SERIES-ID>S000007120
<SERIES-NAME>Fidelity New Millennium Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000019449
<CLASS-CONTRACT-NAME>Fidelity New Millennium Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FMILX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000707823
<SERIES-ID>S000042626
<SERIES-NAME>Fidelity Series Growth Company Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000131783
<CLASS-CONTRACT-NAME>Fidelity Series Growth Company Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FFGSX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000131784
<CLASS-CONTRACT-NAME>Class F
<CLASS-CONTRACT-TICKER-SYMBOL>FCGSX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>485BPOS
<SEQUENCE>1
<FILENAME>main.htm
<TEXT>
Document 1 - file: main.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.I LEGAL OPININ
<SEQUENCE>2
<FILENAME>Ex__i.htm
<TEXT>
Document 2 - file: Ex__i.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.J OTHER OPININ
<SEQUENCE>3
<FILENAME>Ex_j__1_.htm
<TEXT>
Document 3 - file: Ex_j__1_.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.J OTHER OPININ
<SEQUENCE>4
<FILENAME>Ex_j__2__.htm
<TEXT>
Document 4 - file: Ex_j__2__.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>ang311769.gif
<TEXT>
Document 8 - file: ang311769.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>ang311783.jpg
<TEXT>
Document 9 - file: ang311783.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>ang311800.jpg
<TEXT>
Document 10 - file: ang311800.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>ang311815.jpg
<TEXT>
Document 11 - file: ang311815.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>ang311832.jpg
<TEXT>
Document 12 - file: ang311832.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>ang311847.jpg
<TEXT>
Document 13 - file: ang311847.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>ang311860.jpg
<TEXT>
Document 14 - file: ang311860.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>ang311873.jpg
<TEXT>
Document 15 - file: ang311873.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>kco664303.gif
<TEXT>
Document 16 - file: kco664303.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>kiu408544.gif
<TEXT>
Document 17 - file: kiu408544.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>sun544769.gif
<TEXT>
Document 18 - file: sun544769.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>tru370567.gif
<TEXT>
Document 19 - file: tru370567.gif

</DOCUMENT>
</SEC-DOCUMENT>