<PAGE> PAGE 1
000 B000000 11/30/96
000 C000000 0000707823
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 A
001 A000000 FIDELITY MT. VERNON STREET TRUST
001 B000000 811-3583
001 C000000 6175639003
002 A000000 82 DEVONSHIRE STREET
002 B000000 BOSTON
002 C000000 MA
002 D010000 02109
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 3
007 C010100 1
007 C020100 FIDELITY GROWTH COMPANY FUND
007 C030100 N
007 C010200 2
007 C020200 FIDELITY EMERGING GROWTH FUND
007 C030200 N
007 C010300 3
007 C020300 FIDELITY NEW MILLENNIUM FUND
007 C030300 N
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A00AA01 FIDELITY MANAGEMENT & RESEARCH COMPANY
008 B00AA01 A
008 C00AA01 801-7884
008 D01AA01 BOSTON
008 D02AA01 MA
008 D03AA01 02109
008 A00AA02 FIDELITY MANAGEMENT & RESEARCH (U.K.) INC.
008 B00AA02 S
008 C00AA02 801-28773
008 D01AA02 LONDON
008 D05AA02 ENGLAND
008 A00AA03 FIDELITY MANAGEMENT & RESEARCH (FAR EAST)INC.
008 B00AA03 S
<PAGE> PAGE 2
008 C00AA03 801-28774
008 D01AA03 TOKYO
008 D05AA03 JAPAN
011 A00AA01 FIDELITY DISTRIBUTORS CORPORATION
011 B00AA01 8-8775
011 C01AA01 BOSTON
011 C02AA01 MA
011 C03AA01 02109
012 A00AA01 FIDELITY SERVICE COMPANY, INC.
012 B00AA01 84-00216
012 C01AA01 BOSTON
012 C02AA01 MA
012 C03AA01 02109
013 A00AA01 COOPERS & LYBRAND L.L.P.
013 B01AA01 BOSTON
013 B02AA01 MA
013 B03AA01 02109
014 A00AA01 FIDELITY BROKERAGE SERVICES, INC.
014 B00AA01 8-23292
014 A00AA02 FIDELITY DISTRIBUTORS CORP.
014 B00AA02 8-8775
014 A00AA03 FIDELITY BROKERAGE SERVICES
014 B00AA03 8-0000
014 A00AA04 DELETE
018 00AA00 Y
019 A00AA00 Y
019 B00AA00 240
019 C00AA00 FIDELITYZZ
020 A000001 MORGAN STANLEY & CO., INC.
020 B000001 13-2655998
020 C000001 816
020 A000002 PAINE WEBBER INC.
020 B000002 13-2638166
020 C000002 722
020 A000003 MONTGOMERY SECURITIES
020 B000003 94-1701676
020 C000003 588
020 A000004 ALEX BROWN & SONS
020 B000004 52-0256630
020 C000004 472
020 A000005 SALOMON BROTHERS INC.
020 B000005 13-3082694
020 C000005 461
020 A000006 SCHRODER WERTHEIM & CO., INC.
020 B000006 13-2697272
020 C000006 388
020 A000007 GOLDMAN SACHS & CO.
020 B000007 13-5108880
020 C000007 364
020 A000008 SMITH BARNEY SHEARSON INC.
020 B000008 13-1912900
<PAGE> PAGE 3
020 C000008 302
020 A000009 MERRILL LYNCH & CO., INC.
020 B000009 13-5674085
020 C000009 301
020 A000010 FIRST BOSTON CORP.
020 B000010 13-5659485
020 C000010 265
021 000000 10878
022 A000001 GOLDMAN SACHS & CO.
022 B000001 13-5108880
022 C000001 762836
022 D000001 752435
022 A000002 TAXABLE CENTRAL CASH FUND
022 B000002 04-3331103
022 C000002 1202112
022 D000002 213362
022 A000003 SMITH BARNEY, INC.
022 B000003 13-1912900
022 C000003 539297
022 D000003 395893
022 A000004 DAIWA SECURITIES CO. LTD.
022 B000004 13-5680329
022 C000004 692185
022 D000004 0
022 A000005 ALEX BROWN & SONS
022 B000005 52-0256630
022 C000005 289534
022 D000005 206284
022 A000006 MORGAN STANLEY & CO., INC.
022 B000006 13-2655998
022 C000006 253756
022 D000006 220390
022 A000007 BARCLAYS DE ZOETE WEDD GSI
022 B000007 05-0346412
022 C000007 0
022 D000007 415196
022 A000008 MERRILL LYNCH & CO.
022 B000008 13-5674085
022 C000008 202998
022 D000008 146692
022 A000009 LEHMAN GOV'T SECURITIES INC.
022 B000009 13-2518466
022 C000009 311886
022 D000009 0
022 A000010 SANWA SECURITIES USA CO.
022 B000010 13-2883935
022 C000010 296232
022 D000010 0
023 C000000 268709018
023 D000000 4257199
026 A000000 Y
<PAGE> PAGE 4
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 Y
026 G010000 N
026 G020000 N
026 H000000 Y
027 000000 Y
034 00AA00 N
035 00AA00 0
036 B00AA00 0
042 A00AA00 0
042 B00AA00 0
042 C00AA00 0
042 D00AA00 0
042 E00AA00 0
042 F00AA00 0
042 G00AA00 0
042 H00AA00 0
043 00AA00 0
044 00AA00 0
045 00AA00 Y
046 00AA00 N
047 00AA00 N
048 00AA00 0.000
048 A01AA00 0
048 A02AA00 0.000
048 B01AA00 0
048 B02AA00 0.000
048 C01AA00 0
048 C02AA00 0.000
048 D01AA00 0
048 D02AA00 0.000
048 E01AA00 0
048 E02AA00 0.000
048 F01AA00 0
048 F02AA00 0.000
048 G01AA00 0
048 G02AA00 0.000
048 H01AA00 0
048 H02AA00 0.000
048 I01AA00 0
048 I02AA00 0.000
048 J01AA00 0
048 J02AA00 0.000
048 K01AA00 0
048 K02AA00 0.000
054 A00AA00 Y
054 B00AA00 Y
054 C00AA00 N
<PAGE> PAGE 5
054 D00AA00 N
054 E00AA00 N
054 F00AA00 N
054 G00AA00 Y
054 H00AA00 Y
054 I00AA00 N
054 J00AA00 Y
054 K00AA00 N
054 L00AA00 N
054 M00AA00 Y
054 N00AA00 N
054 O00AA00 Y
058 A00AA00 N
059 00AA00 Y
060 A00AA00 Y
060 B00AA00 Y
061 00AA00 2500
062 A00AA00 N
062 B00AA00 0.0
062 C00AA00 0.0
062 D00AA00 0.0
062 E00AA00 0.0
062 F00AA00 0.0
062 G00AA00 0.0
062 H00AA00 0.0
062 I00AA00 0.0
062 J00AA00 0.0
062 K00AA00 0.0
062 L00AA00 0.0
062 M00AA00 0.0
062 N00AA00 0.0
062 O00AA00 0.0
062 P00AA00 0.0
062 Q00AA00 0.0
062 R00AA00 0.0
066 A00AA00 Y
066 B00AA00 Y
066 C00AA00 N
066 D00AA00 N
066 E00AA00 N
066 F00AA00 N
066 G00AA00 N
067 00AA00 N
068 A00AA00 N
068 B00AA00 N
069 00AA00 N
077 A000000 Y
077 B000000 Y
077 C000000 N
077 D000000 N
077 E000000 N
<PAGE> PAGE 6
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 N
077 P000000 N
077 Q010000 N
077 Q020000 N
077 Q030000 N
078 000000 N
080 A00AA00 AMERICAN INTERNATIONAL SPECIALTY LINES INS.CO
080 B00AA00 FEDERAL INSURANCE COMPANY
080 C00AA00 220000
081 A00AA00 Y
081 B00AA00 237
082 A00AA00 N
082 B00AA00 0
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
015 A000101 BROWN BROTHERS HARRIMAN & CO.
015 B000101 C
015 C010101 BOSTON
015 C020101 MA
015 C030101 02109
015 E010101 X
024 000100 N
025 A000101 DELETE
025 D000101 0
025 A000102 DELETE
025 D000102 0
025 A000103 DELETE
025 D000103 0
025 A000104 DELETE
025 D000104 0
025 A000105 DELETE
025 D000105 0
<PAGE> PAGE 7
025 D000106 0
025 D000107 0
025 D000108 0
028 A010100 379340
028 A020100 0
028 A030100 0
028 A040100 258836
028 B010100 386790
028 B020100 0
028 B030100 0
028 B040100 388073
028 C010100 278979
028 C020100 0
028 C030100 0
028 C040100 222755
028 D010100 363134
028 D020100 0
028 D030100 0
028 D040100 283988
028 E010100 414789
028 E020100 0
028 E030100 0
028 E040100 357452
028 F010100 324914
028 F020100 0
028 F030100 0
028 F040100 286811
028 G010100 2147946
028 G020100 0
028 G030100 0
028 G040100 1797913
028 H000100 0
029 000100 N
030 A000100 0
030 B000100 0.00
030 C000100 0.00
031 A000100 0
031 B000100 0
032 000100 0
033 000100 0
037 000100 N
038 000100 0
039 000100 N
040 000100 N
049 000100 N
050 000100 N
051 000100 Y
052 000100 Y
053 A000100 Y
053 B000100 Y
055 A000100 N
<PAGE> PAGE 8
055 B000100 N
056 000100 Y
057 000100 N
070 A010100 Y
070 A020100 Y
070 B010100 Y
070 B020100 N
070 C010100 Y
070 C020100 N
070 D010100 Y
070 D020100 N
070 E010100 Y
070 E020100 N
070 F010100 Y
070 F020100 N
070 G010100 Y
070 G020100 N
070 H010100 Y
070 H020100 N
070 I010100 Y
070 I020100 N
070 J010100 Y
070 J020100 Y
070 K010100 Y
070 K020100 Y
070 L010100 Y
070 L020100 Y
070 M010100 Y
070 M020100 Y
070 N010100 Y
070 N020100 N
070 O010100 Y
070 O020100 N
070 P010100 Y
070 P020100 Y
070 Q010100 N
070 Q020100 N
070 R010100 Y
070 R020100 N
071 A000100 7249113
071 B000100 5421657
071 C000100 6844187
071 D000100 79
072 A000100 12
072 B000100 65149
072 C000100 78777
072 D000100 0
072 E000100 0
072 F000100 48984
072 G000100 0
072 H000100 0
<PAGE> PAGE 9
072 I000100 18238
072 J000100 204
072 K000100 0
072 L000100 0
072 M000100 28
072 N000100 888
072 O000100 0
072 P000100 0
072 Q000100 814
072 R000100 84
072 S000100 64
072 T000100 0
072 U000100 0
072 V000100 0
072 W000100 47
072 X000100 69351
072 Y000100 1708
072 Z000100 76283
072AA000100 401080
072BB000100 0
072CC010100 993674
072CC020100 0
072DD010100 23344
072DD020100 0
072EE000100 294687
073 A010100 0.1400
073 A020100 0.0000
073 B000100 1.8000
073 C000100 0.0000
074 A000100 2733
074 B000100 0
074 C000100 0
074 D000100 0
074 E000100 0
074 F000100 8766015
074 G000100 0
074 H000100 0
074 I000100 864879
074 J000100 22053
074 K000100 0
074 L000100 28674
074 M000100 0
074 N000100 9684354
074 O000100 52700
074 P000100 4189
074 Q000100 0
074 R010100 0
074 R020100 0
074 R030100 0
074 R040100 20801
074 S000100 0
<PAGE> PAGE 10
074 T000100 9606664
074 U010100 220650
074 U020100 0
074 V010100 43.54
074 V020100 0.00
074 W000100 0.0000
074 X000100 970363
074 Y000100 0
075 A000100 0
075 B000100 7918831
076 000100 0.00
083 A000100 N
083 B000100 0
084 A000100 N
084 B000100 0
085 A000100 Y
085 B000100 N
015 A000201 BROWN BROTHERS HARRIMAN & CO.
015 B000201 C
015 C010201 BOSTON
015 C020201 MA
015 C030201 02109
015 E010201 X
024 000200 N
025 A000201 DELETE
025 D000201 0
025 A000202 DELETE
025 D000202 0
025 D000203 0
025 D000204 0
025 D000205 0
025 D000206 0
025 D000207 0
025 D000208 0
028 A010200 105454
028 A020200 0
028 A030200 0
028 A040200 33433
028 B010200 80343
028 B020200 0
028 B030200 0
028 B040200 72899
028 C010200 60453
028 C020200 0
028 C030200 0
028 C040200 35568
028 D010200 64782
028 D020200 0
028 D030200 0
028 D040200 44955
028 E010200 71404
<PAGE> PAGE 11
028 E020200 0
028 E030200 0
028 E040200 52485
028 F010200 49910
028 F020200 0
028 F030200 0
028 F040200 89821
028 G010200 432346
028 G020200 0
028 G030200 0
028 G040200 329161
028 H000200 37927
029 000200 Y
030 A000200 3172
030 B000200 3.00
030 C000200 0.00
031 A000200 3172
031 B000200 0
032 000200 0
033 000200 0
037 000200 Y
038 000200 751
039 000200 N
040 000200 N
049 000200 N
050 000200 N
051 000200 Y
052 000200 Y
053 A000200 Y
053 B000200 Y
055 A000200 N
055 B000200 N
056 000200 Y
057 000200 N
070 A010200 Y
070 A020200 Y
070 B010200 Y
070 B020200 N
070 C010200 Y
070 C020200 N
070 D010200 Y
070 D020200 N
070 E010200 Y
070 E020200 N
070 F010200 Y
070 F020200 N
070 G010200 Y
070 G020200 N
070 H010200 Y
070 H020200 N
070 I010200 Y
<PAGE> PAGE 12
070 I020200 N
070 J010200 Y
070 J020200 Y
070 K010200 Y
070 K020200 Y
070 L010200 Y
070 L020200 Y
070 M010200 Y
070 M020200 Y
070 N010200 Y
070 N020200 N
070 O010200 Y
070 O020200 N
070 P010200 Y
070 P020200 Y
070 Q010200 N
070 Q020200 N
070 R010200 Y
070 R020200 N
071 A000200 2039164
071 B000200 1551306
071 C000200 1475458
071 D000200 105
072 A000200 12
072 B000200 8370
072 C000200 4103
072 D000200 0
072 E000200 0
072 F000200 12452
072 G000200 0
072 H000200 0
072 I000200 4218
072 J000200 91
072 K000200 0
072 L000200 0
072 M000200 6
072 N000200 251
072 O000200 0
072 P000200 0
072 Q000200 636
072 R000200 52
072 S000200 15
072 T000200 0
072 U000200 0
072 V000200 0
072 W000200 11
072 X000200 17732
072 Y000200 261
072 Z000200 -4998
072AA000200 27528
072BB000200 0
<PAGE> PAGE 13
072CC010200 172134
072CC020200 0
072DD010200 0
072DD020200 0
072EE000200 59173
073 A010200 0.0000
073 A020200 0.0000
073 B000200 1.0800
073 C000200 0.0000
074 A000200 1478
074 B000200 0
074 C000200 0
074 D000200 0
074 E000200 0
074 F000200 1895701
074 G000200 0
074 H000200 0
074 I000200 55372
074 J000200 5374
074 K000200 0
074 L000200 3752
074 M000200 0
074 N000200 1961677
074 O000200 13133
074 P000200 1218
074 Q000200 0
074 R010200 0
074 R020200 0
074 R030200 0
074 R040200 8115
074 S000200 0
074 T000200 1939211
074 U010200 73552
074 U020200 0
074 V010200 26.37
074 V020200 0.00
074 W000200 0.0000
074 X000200 189381
074 Y000200 0
075 A000200 0
075 B000200 1608147
076 000200 0.00
083 A000200 N
083 B000200 0
084 A000200 N
084 B000200 0
085 A000200 Y
085 B000200 N
015 A000301 CHASE MANHATTAN BANK, N.A.
015 B000301 C
015 C010301 NEW YORK
<PAGE> PAGE 14
015 C020301 NY
015 C030301 10081
015 E010301 X
024 000300 N
025 A000301 DELETE
025 D000301 0
025 D000302 0
025 D000303 0
025 D000304 0
025 D000305 0
025 D000306 0
025 D000307 0
025 D000308 0
028 A010300 53347
028 A020300 3
028 A030300 0
028 A040300 88954
028 B010300 75404
028 B020300 0
028 B030300 0
028 B040300 118509
028 C010300 54030
028 C020300 0
028 C030300 0
028 C040300 56011
028 D010300 93828
028 D020300 0
028 D030300 0
028 D040300 55966
028 E010300 112648
028 E020300 0
028 E030300 0
028 E040300 80852
028 F010300 37308
028 F020300 0
028 F030300 0
028 F040300 51438
028 G010300 426565
028 G020300 3
028 G030300 0
028 G040300 451728
028 H000300 26513
029 000300 Y
030 A000300 6189
030 B000300 3.00
030 C000300 0.00
031 A000300 6189
031 B000300 0
032 000300 0
033 000300 0
037 000300 N
<PAGE> PAGE 15
038 000300 0
039 000300 N
040 000300 N
041 000300 N
049 000300 N
050 000300 N
051 000300 Y
052 000300 Y
053 A000300 Y
053 B000300 Y
055 A000300 N
055 B000300 N
056 000300 Y
057 000300 N
070 A010300 Y
070 A020300 Y
070 B010300 Y
070 B020300 N
070 C010300 Y
070 C020300 N
070 D010300 Y
070 D020300 N
070 E010300 Y
070 E020300 N
070 F010300 Y
070 F020300 N
070 G010300 Y
070 G020300 N
070 H010300 Y
070 H020300 N
070 I010300 Y
070 I020300 N
070 J010300 Y
070 J020300 N
070 K010300 Y
070 K020300 Y
070 L010300 Y
070 L020300 Y
070 M010300 Y
070 M020300 Y
070 N010300 Y
070 N020300 N
070 O010300 Y
070 O020300 N
070 P010300 Y
070 P020300 Y
070 Q010300 N
070 Q020300 N
070 R010300 Y
070 R020300 N
071 A000300 1918329
<PAGE> PAGE 16
071 B000300 1404005
071 C000300 888718
071 D000300 158
072 A000300 12
072 B000300 3643
072 C000300 4562
072 D000300 0
072 E000300 0
072 F000300 7054
072 G000300 0
072 H000300 0
072 I000300 2281
072 J000300 87
072 K000300 0
072 L000300 0
072 M000300 3
072 N000300 348
072 O000300 0
072 P000300 0
072 Q000300 439
072 R000300 41
072 S000300 18
072 T000300 0
072 U000300 0
072 V000300 0
072 W000300 6
072 X000300 10277
072 Y000300 435
072 Z000300 -1637
072AA000300 50136
072BB000300 0
072CC010300 149757
072CC020300 0
072DD010300 0
072DD020300 0
072EE000300 45174
073 A010300 0.0000
073 A020300 0.0000
073 B000300 1.4400
073 C000300 0.0000
074 A000300 0
074 B000300 0
074 C000300 0
074 D000300 0
074 E000300 3606
074 F000300 1196217
074 G000300 0
074 H000300 0
074 I000300 68499
074 J000300 10435
074 K000300 0
<PAGE> PAGE 17
074 L000300 2018
074 M000300 0
074 N000300 1280775
074 O000300 10333
074 P000300 768
074 Q000300 0
074 R010300 0
074 R020300 0
074 R030300 0
074 R040300 3130
074 S000300 0
074 T000300 1266544
074 U010300 60920
074 U020300 0
074 V010300 20.79
074 V020300 0.00
074 W000300 0.0000
074 X000300 83585
074 Y000300 0
075 A000300 0
075 B000300 960028
076 000300 0.00
083 A000300 N
083 B000300 0
084 A000300 N
084 B000300 0
085 A000300 Y
085 B000300 N
SIGNATURE JOHN H. COSTELLO
TITLE ASST. TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000707823
<NAME> Fidelity Mt. Vernon Street Trust
<SERIES>
<NUMBER> 1
<NAME> Fidelity Growth Company Fund
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
year
<FISCAL-YEAR-END>
nov-30-1996
<PERIOD-END>
nov-30-1996
<INVESTMENTS-AT-COST>
7,375,521
<INVESTMENTS-AT-VALUE>
9,630,894
<RECEIVABLES>
50,727
<ASSETS-OTHER>
2,733
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
9,684,354
<PAYABLE-FOR-SECURITIES>
52,700
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
24,990
<TOTAL-LIABILITIES>
77,690
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
6,898,271
<SHARES-COMMON-STOCK>
220,650
<SHARES-COMMON-PRIOR>
160,990
<ACCUMULATED-NII-CURRENT>
76,173
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
376,848
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
2,255,372
<NET-ASSETS>
9,606,664
<DIVIDEND-INCOME>
78,777
<INTEREST-INCOME>
65,149
<OTHER-INCOME>
0
<EXPENSES-NET>
67,643
<NET-INVESTMENT-INCOME>
76,283
<REALIZED-GAINS-CURRENT>
401,080
<APPREC-INCREASE-CURRENT>
993,674
<NET-CHANGE-FROM-OPS>
1,471,037
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
23,344
<DISTRIBUTIONS-OF-GAINS>
294,687
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
134,851
<NUMBER-OF-SHARES-REDEEMED>
84,075
<SHARES-REINVESTED>
8,884
<NET-CHANGE-IN-ASSETS>
3,420,699
<ACCUMULATED-NII-PRIOR>
23,240
<ACCUMULATED-GAINS-PRIOR>
298,761
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
48,984
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
69,351
<AVERAGE-NET-ASSETS>
7,918,831
<PER-SHARE-NAV-BEGIN>
38.420
<PER-SHARE-NII>
.340
<PER-SHARE-GAIN-APPREC>
6.720
<PER-SHARE-DIVIDEND>
.140
<PER-SHARE-DISTRIBUTIONS>
1.800
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
43.540
<EXPENSE-RATIO>
88
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000707823
<NAME> Fidelity Mt. Vernon Street Trust
<SERIES>
<NUMBER> 3
<NAME> Fidelity New Millenium Fund
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
year
<FISCAL-YEAR-END>
nov-30-1996
<PERIOD-END>
nov-30-1996
<INVESTMENTS-AT-COST>
1,018,653
<INVESTMENTS-AT-VALUE>
1,268,322
<RECEIVABLES>
12,453
<ASSETS-OTHER>
0
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
1,280,775
<PAYABLE-FOR-SECURITIES>
10,333
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
3,898
<TOTAL-LIABILITIES>
14,231
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
967,796
<SHARES-COMMON-STOCK>
60,920
<SHARES-COMMON-PRIOR>
30,022
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
49,080
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
249,668
<NET-ASSETS>
1,266,544
<DIVIDEND-INCOME>
4,562
<INTEREST-INCOME>
3,643
<OTHER-INCOME>
0
<EXPENSES-NET>
9,842
<NET-INVESTMENT-INCOME>
(1,637)
<REALIZED-GAINS-CURRENT>
50,136
<APPREC-INCREASE-CURRENT>
149,757
<NET-CHANGE-FROM-OPS>
198,256
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
45,174
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
89,123
<NUMBER-OF-SHARES-REDEEMED>
60,913
<SHARES-REINVESTED>
2,688
<NET-CHANGE-IN-ASSETS>
722,891
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
66,623
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
7,054
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
10,277
<AVERAGE-NET-ASSETS>
960,027
<PER-SHARE-NAV-BEGIN>
18.110
<PER-SHARE-NII>
(.030)
<PER-SHARE-GAIN-APPREC>
4.150
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
1.440
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
20.790
<EXPENSE-RATIO>
107
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000707823
<NAME> Fidelity Mt. Vernon Street Trust
<SERIES>
<NUMBER> 2
<NAME> Fidelity Emerging Growth Fund
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
year
<FISCAL-YEAR-END>
nov-30-1996
<PERIOD-END>
nov-30-1996
<INVESTMENTS-AT-COST>
1,477,747
<INVESTMENTS-AT-VALUE>
1,951,073
<RECEIVABLES>
9,126
<ASSETS-OTHER>
1,478
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
1,961,677
<PAYABLE-FOR-SECURITIES>
13,133
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
9,333
<TOTAL-LIABILITIES>
22,466
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
1,442,820
<SHARES-COMMON-STOCK>
73,552
<SHARES-COMMON-PRIOR>
54,554
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
23,065
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
473,326
<NET-ASSETS>
1,939,211
<DIVIDEND-INCOME>
4,103
<INTEREST-INCOME>
8,370
<OTHER-INCOME>
0
<EXPENSES-NET>
17,471
<NET-INVESTMENT-INCOME>
(4,998)
<REALIZED-GAINS-CURRENT>
27,528
<APPREC-INCREASE-CURRENT>
172,134
<NET-CHANGE-FROM-OPS>
194,664
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
59,173
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
40,103
<NUMBER-OF-SHARES-REDEEMED>
23,706
<SHARES-REINVESTED>
2,601
<NET-CHANGE-IN-ASSETS>
607,449
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
57,763
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
12,452
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
17,732
<AVERAGE-NET-ASSETS>
1,608,147
<PER-SHARE-NAV-BEGIN>
24.410
<PER-SHARE-NII>
(.070)
<PER-SHARE-GAIN-APPREC>
3.100
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
1.080
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
26.370
<EXPENSE-RATIO>
110
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>