<SEC-DOCUMENT>0001379491-22-000230-index.html : 20220120
<SEC-HEADER>0001379491-22-000230.hdr.sgml : 20220120
<ACCEPTANCE-DATETIME>20220120113557
ACCESSION NUMBER:		0001379491-22-000230
CONFORMED SUBMISSION TYPE:	N-CSR
PUBLIC DOCUMENT COUNT:		21
CONFORMED PERIOD OF REPORT:	20211130
FILED AS OF DATE:		20220120
DATE AS OF CHANGE:		20220120
EFFECTIVENESS DATE:		20220120

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:		N-CSR
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-03583
		FILM NUMBER:		22541398

	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>FCGSX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000707823
<SERIES-ID>S000056370
<SERIES-NAME>Fidelity Flex Mid Cap Growth Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000177597
<CLASS-CONTRACT-NAME>Fidelity Flex Mid Cap Growth Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FFMGX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000707823
<SERIES-ID>S000057290
<SERIES-NAME>Fidelity Growth Strategies K6 Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000182866
<CLASS-CONTRACT-NAME>Fidelity Growth Strategies K6 Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FSKGX
</CLASS-CONTRACT>
</SERIES>
<SERIES>
<OWNER-CIK>0000707823
<SERIES-ID>S000065696
<SERIES-NAME>Fidelity Growth Company K6 Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000212499
<CLASS-CONTRACT-NAME>Fidelity Growth Company K6 Fund
<CLASS-CONTRACT-TICKER-SYMBOL>FGKFX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CSR
<SEQUENCE>1
<FILENAME>filing936.htm
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: filing936.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.CERT
<SEQUENCE>2
<FILENAME>ex99cert.htm
<DESCRIPTION>EX99CERT.HTM
<TEXT>
Document 2 - file: ex99cert.htm

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<DOCUMENT>
<TYPE>EX-99.906 CERT
<SEQUENCE>3
<FILENAME>ex99906cert.htm
<DESCRIPTION>EX99906CERT.HTM
<TEXT>
Document 3 - file: ex99906cert.htm

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<DOCUMENT>
<TYPE>EX-99.CODE ETH
<SEQUENCE>4
<FILENAME>code.htm
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<TEXT>
Document 4 - file: code.htm

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>fid_sun.jpg
<TEXT>
Document 5 - file: fid_sun.jpg

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<FILENAME>fipro_logo.jpg
<TEXT>
Document 6 - file: fipro_logo.jpg

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Document 7 - file: img766208572_740.jpg

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Document 8 - file: img767656395.jpg

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<TEXT>
Document 9 - file: fi_logo.jpg

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<FILENAME>img766081714_740.jpg
<TEXT>
Document 10 - file: img766081714_740.jpg

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<SEQUENCE>11
<FILENAME>img769158348.jpg
<TEXT>
Document 11 - file: img769158348.jpg

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Document 12 - file: img762226552_740.jpg

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Document 13 - file: img768402228.jpg

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<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>img767076013_740.jpg
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Document 14 - file: img767076013_740.jpg

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<SEQUENCE>15
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<TEXT>
Document 15 - file: img768570387.jpg

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<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>img762230293_740.jpg
<TEXT>
Document 16 - file: img762230293_740.jpg

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<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>img766696679.jpg
<TEXT>
Document 17 - file: img766696679.jpg

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<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>img762230380_740.jpg
<TEXT>
Document 18 - file: img762230380_740.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>img768919518.jpg
<TEXT>
Document 19 - file: img768919518.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>img766419660_740.jpg
<TEXT>
Document 20 - file: img766419660_740.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>img769094304.jpg
<TEXT>
Document 21 - file: img769094304.jpg

</DOCUMENT>
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