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<PAGE> PAGE 2
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<PAGE> PAGE 3
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<PAGE> PAGE 14
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<PAGE> PAGE 18
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<PAGE> PAGE 19
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<PAGE> PAGE 21
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<PAGE> PAGE 22
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<PAGE> PAGE 23
054 B000400 Y
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<PAGE> PAGE 24
069 000400 N
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070 E020400 N
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070 G020400 N
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070 H020400 N
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070 I020400 N
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<PAGE> PAGE 25
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<PAGE> PAGE 26
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<PAGE> PAGE 27
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<PAGE> PAGE 28
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<PAGE> PAGE 29
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<PAGE> PAGE 30
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<PAGE> PAGE 31
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SIGNATURE JOHN H. COSTELLO
TITLE ASSISTANT TREASURER
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97,420
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
24,794
<NUMBER-OF-SHARES-REDEEMED>
25,241
<SHARES-REINVESTED>
2,444
<NET-CHANGE-IN-ASSETS>
474,286
<ACCUMULATED-NII-PRIOR>
26,034
<ACCUMULATED-GAINS-PRIOR>
144,992
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
30,254
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
60,490
<AVERAGE-NET-ASSETS>
3,860,711
<PER-SHARE-NAV-BEGIN>
44.810
<PER-SHARE-NII>
(.040)
<PER-SHARE-GAIN-APPREC>
8.600
<PER-SHARE-DIVIDEND>
.170
<PER-SHARE-DISTRIBUTIONS>
1.230
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
51.970
<EXPENSE-RATIO>
130
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 11
<NAME> Fidelity Advisor Equity Growth Fund
- Institutional Class
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
4,103,013
<INVESTMENTS-AT-VALUE>
5,336,012
<RECEIVABLES>
51,313
<ASSETS-OTHER>
13
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
5,387,338
<PAYABLE-FOR-SECURITIES>
34,534
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
13,596
<TOTAL-LIABILITIES>
48,130
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
3,380,104
<SHARES-COMMON-STOCK>
19,533
<SHARES-COMMON-PRIOR>
29,078
<ACCUMULATED-NII-CURRENT>
1,198
<OVERDISTRIBUTION-NII>
0
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724,749
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
1,233,157
<NET-ASSETS>
5,339,208
<DIVIDEND-INCOME>
46,294
<INTEREST-INCOME>
14,829
<OTHER-INCOME>
0
<EXPENSES-NET>
59,292
<NET-INVESTMENT-INCOME>
1,831
<REALIZED-GAINS-CURRENT>
736,818
<APPREC-INCREASE-CURRENT>
175,459
<NET-CHANGE-FROM-OPS>
914,108
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
10,782
<DISTRIBUTIONS-OF-GAINS>
35,855
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
8
<NUMBER-OF-SHARES-REDEEMED>
18
<SHARES-REINVESTED>
1
<NET-CHANGE-IN-ASSETS>
474,286
<ACCUMULATED-NII-PRIOR>
26,034
<ACCUMULATED-GAINS-PRIOR>
144,992
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
30,254
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
60,490
<AVERAGE-NET-ASSETS>
1,154,713
<PER-SHARE-NAV-BEGIN>
45.520
<PER-SHARE-NII>
.220
<PER-SHARE-GAIN-APPREC>
8.720
<PER-SHARE-DIVIDEND>
.370
<PER-SHARE-DISTRIBUTIONS>
1.230
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
52.860
<EXPENSE-RATIO>
77
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 51
<NAME> Fidelity Advisor TechnoQuant Growth Fund Class
A
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
36,369
<INVESTMENTS-AT-VALUE>
38,466
<RECEIVABLES>
552
<ASSETS-OTHER>
20
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
39,038
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366
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
136
<TOTAL-LIABILITIES>
502
<SENIOR-EQUITY>
0
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35,523
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472
<SHARES-COMMON-PRIOR>
0
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
916
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
2,097
<NET-ASSETS>
38,536
<DIVIDEND-INCOME>
152
<INTEREST-INCOME>
76
<OTHER-INCOME>
0
<EXPENSES-NET>
468
<NET-INVESTMENT-INCOME>
(240)
<REALIZED-GAINS-CURRENT>
1,156
<APPREC-INCREASE-CURRENT>
2,097
<NET-CHANGE-FROM-OPS>
3,013
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
0
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0
<NUMBER-OF-SHARES-SOLD>
572
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99
<SHARES-REINVESTED>
0
<NET-CHANGE-IN-ASSETS>
38,536
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
0
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
135
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
580
<AVERAGE-NET-ASSETS>
4,117
<PER-SHARE-NAV-BEGIN>
10.000
<PER-SHARE-NII>
(.070)
<PER-SHARE-GAIN-APPREC>
1.450
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
0
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
11.380
<EXPENSE-RATIO>
175
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 52
<NAME> Fidelity Advisor TechnoQuant Growth Fund Class
B
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
36,369
<INVESTMENTS-AT-VALUE>
38,466
<RECEIVABLES>
552
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20
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
39,038
<PAYABLE-FOR-SECURITIES>
366
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0
<OTHER-ITEMS-LIABILITIES>
136
<TOTAL-LIABILITIES>
502
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
35,523
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1,005
<SHARES-COMMON-PRIOR>
0
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0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
916
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
2,097
<NET-ASSETS>
38,536
<DIVIDEND-INCOME>
152
<INTEREST-INCOME>
76
<OTHER-INCOME>
0
<EXPENSES-NET>
468
<NET-INVESTMENT-INCOME>
(240)
<REALIZED-GAINS-CURRENT>
1,156
<APPREC-INCREASE-CURRENT>
2,097
<NET-CHANGE-FROM-OPS>
3,013
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
0
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
1,070
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64
<SHARES-REINVESTED>
0
<NET-CHANGE-IN-ASSETS>
38,536
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
0
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
135
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
580
<AVERAGE-NET-ASSETS>
6,430
<PER-SHARE-NAV-BEGIN>
10.000
<PER-SHARE-NII>
(.150)
<PER-SHARE-GAIN-APPREC>
1.460
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
0
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
11.310
<EXPENSE-RATIO>
250
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 53
<NAME> Fidelity Advisor TechnoQuant Growth Fund Class
C
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
36,369
<INVESTMENTS-AT-VALUE>
38,466
<RECEIVABLES>
552
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20
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0
<TOTAL-ASSETS>
39,038
<PAYABLE-FOR-SECURITIES>
366
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
136
<TOTAL-LIABILITIES>
502
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
35,523
<SHARES-COMMON-STOCK>
4
<SHARES-COMMON-PRIOR>
0
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
916
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
2,097
<NET-ASSETS>
38,536
<DIVIDEND-INCOME>
152
<INTEREST-INCOME>
76
<OTHER-INCOME>
0
<EXPENSES-NET>
468
<NET-INVESTMENT-INCOME>
(240)
<REALIZED-GAINS-CURRENT>
1,156
<APPREC-INCREASE-CURRENT>
2,097
<NET-CHANGE-FROM-OPS>
3,013
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
0
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
4
<NUMBER-OF-SHARES-REDEEMED>
0
<SHARES-REINVESTED>
0
<NET-CHANGE-IN-ASSETS>
38,536
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
0
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
135
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
580
<AVERAGE-NET-ASSETS>
14
<PER-SHARE-NAV-BEGIN>
11.850
<PER-SHARE-NII>
0
<PER-SHARE-GAIN-APPREC>
(.490)
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
0
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
11.360
<EXPENSE-RATIO>
250
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 54
<NAME> Fidelity Advisor TechnoQuant Growth Fund Institutional
Class
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
36,369
<INVESTMENTS-AT-VALUE>
38,466
<RECEIVABLES>
552
<ASSETS-OTHER>
20
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
39,038
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366
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0
<OTHER-ITEMS-LIABILITIES>
136
<TOTAL-LIABILITIES>
502
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
35,523
<SHARES-COMMON-STOCK>
128
<SHARES-COMMON-PRIOR>
0
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
916
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
2,097
<NET-ASSETS>
38,536
<DIVIDEND-INCOME>
152
<INTEREST-INCOME>
76
<OTHER-INCOME>
0
<EXPENSES-NET>
468
<NET-INVESTMENT-INCOME>
(240)
<REALIZED-GAINS-CURRENT>
1,156
<APPREC-INCREASE-CURRENT>
2,097
<NET-CHANGE-FROM-OPS>
3,013
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
0
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
140
<NUMBER-OF-SHARES-REDEEMED>
12
<SHARES-REINVESTED>
0
<NET-CHANGE-IN-ASSETS>
38,536
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
0
<OVERDISTRIB-NII-PRIOR>
0
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0
<GROSS-ADVISORY-FEES>
135
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
580
<AVERAGE-NET-ASSETS>
1,252
<PER-SHARE-NAV-BEGIN>
10.000
<PER-SHARE-NII>
(.040)
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1.440
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0
<PER-SHARE-DISTRIBUTIONS>
0
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
11.400
<EXPENSE-RATIO>
150
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 55
<NAME> Fidelity Advisor TechnoQuant Growth Fund Class
T
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
36,369
<INVESTMENTS-AT-VALUE>
38,466
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552
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20
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0
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39,038
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366
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0
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136
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502
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
35,523
<SHARES-COMMON-STOCK>
1,785
<SHARES-COMMON-PRIOR>
0
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
916
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
2,097
<NET-ASSETS>
38,536
<DIVIDEND-INCOME>
152
<INTEREST-INCOME>
76
<OTHER-INCOME>
0
<EXPENSES-NET>
468
<NET-INVESTMENT-INCOME>
(240)
<REALIZED-GAINS-CURRENT>
1,156
<APPREC-INCREASE-CURRENT>
2,097
<NET-CHANGE-FROM-OPS>
3,013
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
0
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
2,073
<NUMBER-OF-SHARES-REDEEMED>
288
<SHARES-REINVESTED>
0
<NET-CHANGE-IN-ASSETS>
38,536
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
0
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
135
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
580
<AVERAGE-NET-ASSETS>
12,973
<PER-SHARE-NAV-BEGIN>
10.000
<PER-SHARE-NII>
(.100)
<PER-SHARE-GAIN-APPREC>
1.460
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
0
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
11.360
<EXPENSE-RATIO>
200
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 41
<NAME> Fidelity Advisor Growth & Income Fund
- -Class A
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
230,891
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241,750
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3,785
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25
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0
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245,560
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1,571
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0
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417
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1,988
<SENIOR-EQUITY>
0
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228,960
<SHARES-COMMON-STOCK>
559
<SHARES-COMMON-PRIOR>
0
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79
<OVERDISTRIBUTION-NII>
0
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3,673
<OVERDISTRIBUTION-GAINS>
0
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10,860
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243,572
<DIVIDEND-INCOME>
1,081
<INTEREST-INCOME>
345
<OTHER-INCOME>
0
<EXPENSES-NET>
1,263
<NET-INVESTMENT-INCOME>
163
<REALIZED-GAINS-CURRENT>
3,673
<APPREC-INCREASE-CURRENT>
10,860
<NET-CHANGE-FROM-OPS>
14,696
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
5
<DISTRIBUTIONS-OF-GAINS>
0
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
602
<NUMBER-OF-SHARES-REDEEMED>
43
<SHARES-REINVESTED>
0
<NET-CHANGE-IN-ASSETS>
243,572
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
0
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
386
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
1,298
<AVERAGE-NET-ASSETS>
2,805
<PER-SHARE-NAV-BEGIN>
10.000
<PER-SHARE-NII>
.040
<PER-SHARE-GAIN-APPREC>
2.460
<PER-SHARE-DIVIDEND>
.030
<PER-SHARE-DISTRIBUTIONS>
0
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
12.470
<EXPENSE-RATIO>
150
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 43
<NAME> Fidelity Advisor Growth & Income Fund
-Class B
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
230,891
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241,750
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3,785
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25
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0
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245,560
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1,571
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0
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417
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1,988
<SENIOR-EQUITY>
0
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228,960
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2,322
<SHARES-COMMON-PRIOR>
0
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79
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0
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3,673
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0
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10,860
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243,572
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1,081
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345
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0
<EXPENSES-NET>
1,263
<NET-INVESTMENT-INCOME>
163
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3,673
<APPREC-INCREASE-CURRENT>
10,860
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14,696
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0
<DISTRIBUTIONS-OF-INCOME>
6
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0
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
2,511
<NUMBER-OF-SHARES-REDEEMED>
190
<SHARES-REINVESTED>
0
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243,572
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
0
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
386
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
1,298
<AVERAGE-NET-ASSETS>
12,900
<PER-SHARE-NAV-BEGIN>
10.000
<PER-SHARE-NII>
(.040)
<PER-SHARE-GAIN-APPREC>
2.460
<PER-SHARE-DIVIDEND>
.010
<PER-SHARE-DISTRIBUTIONS>
0
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
12.41
<EXPENSE-RATIO>
225
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 45
<NAME> Fidelity Advisor Growth & Income Fund
- Class C
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
230,891
<INVESTMENTS-AT-VALUE>
241,750
<RECEIVABLES>
3,785
<ASSETS-OTHER>
25
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
245,560
<PAYABLE-FOR-SECURITIES>
1,571
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
417
<TOTAL-LIABILITIES>
1,988
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
228,960
<SHARES-COMMON-STOCK>
31
<SHARES-COMMON-PRIOR>
0
<ACCUMULATED-NII-CURRENT>
79
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
3,673
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
10,860
<NET-ASSETS>
243,572
<DIVIDEND-INCOME>
1,081
<INTEREST-INCOME>
345
<OTHER-INCOME>
0
<EXPENSES-NET>
1,263
<NET-INVESTMENT-INCOME>
163
<REALIZED-GAINS-CURRENT>
3,673
<APPREC-INCREASE-CURRENT>
10,860
<NET-CHANGE-FROM-OPS>
14,696
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
0
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
31
<NUMBER-OF-SHARES-REDEEMED>
0
<SHARES-REINVESTED>
0
<NET-CHANGE-IN-ASSETS>
243,572
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
0
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
386
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
1,298
<AVERAGE-NET-ASSETS>
190
<PER-SHARE-NAV-BEGIN>
12.220
<PER-SHARE-NII>
0
<PER-SHARE-GAIN-APPREC>
.230
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
0
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
12.450
<EXPENSE-RATIO>
224
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 44
<NAME> Fidelity Advisor Growth & Income Fund
- -Institutional Class
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
230,891
<INVESTMENTS-AT-VALUE>
241,750
<RECEIVABLES>
3,785
<ASSETS-OTHER>
25
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
245,560
<PAYABLE-FOR-SECURITIES>
1,571
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
417
<TOTAL-LIABILITIES>
1,988
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
228,960
<SHARES-COMMON-STOCK>
5,926
<SHARES-COMMON-PRIOR>
0
<ACCUMULATED-NII-CURRENT>
79
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
3,673
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
10,860
<NET-ASSETS>
243,572
<DIVIDEND-INCOME>
1,081
<INTEREST-INCOME>
345
<OTHER-INCOME>
0
<EXPENSES-NET>
1,263
<NET-INVESTMENT-INCOME>
163
<REALIZED-GAINS-CURRENT>
3,673
<APPREC-INCREASE-CURRENT>
10,860
<NET-CHANGE-FROM-OPS>
14,696
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
6
<DISTRIBUTIONS-OF-GAINS>
0
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
6,390
<NUMBER-OF-SHARES-REDEEMED>
465
<SHARES-REINVESTED>
0
<NET-CHANGE-IN-ASSETS>
243,572
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
0
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
386
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
1,298
<AVERAGE-NET-ASSETS>
013,522
<PER-SHARE-NAV-BEGIN>
10.000
<PER-SHARE-NII>
.070
<PER-SHARE-GAIN-APPREC>
2.450
<PER-SHARE-DIVIDEND>
.050
<PER-SHARE-DISTRIBUTIONS>
0
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
12.470
<EXPENSE-RATIO>
119
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 42
<NAME> Fidelity Advisor Growth & Income Fund
- -Class T
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
230,891
<INVESTMENTS-AT-VALUE>
241,750
<RECEIVABLES>
3,785
<ASSETS-OTHER>
25
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
245,560
<PAYABLE-FOR-SECURITIES>
1,571
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
417
<TOTAL-LIABILITIES>
1,988
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
228,960
<SHARES-COMMON-STOCK>
10,713
<SHARES-COMMON-PRIOR>
0
<ACCUMULATED-NII-CURRENT>
79
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
3,673
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
10,860
<NET-ASSETS>
243,572
<DIVIDEND-INCOME>
1,081
<INTEREST-INCOME>
345
<OTHER-INCOME>
0
<EXPENSES-NET>
1,263
<NET-INVESTMENT-INCOME>
163
<REALIZED-GAINS-CURRENT>
3,673
<APPREC-INCREASE-CURRENT>
10,860
<NET-CHANGE-FROM-OPS>
14,696
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
68
<DISTRIBUTIONS-OF-GAINS>
0
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
11,672
<NUMBER-OF-SHARES-REDEEMED>
965
<SHARES-REINVESTED>
6
<NET-CHANGE-IN-ASSETS>
243,572
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
0
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
386
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
1,298
<AVERAGE-NET-ASSETS>
55,577
<PER-SHARE-NAV-BEGIN>
10.000
<PER-SHARE-NII>
.030
<PER-SHARE-GAIN-APPREC>
2.450
<PER-SHARE-DIVIDEND>
.02
<PER-SHARE-DISTRIBUTIONS>
0
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
12.460
<EXPENSE-RATIO>
159
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 34
<NAME> Fidelity Advisor Mid Cap Fund
Class A
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
382,408
<INVESTMENTS-AT-VALUE>
420,235
<RECEIVABLES>
8,373
<ASSETS-OTHER>
246
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
428,854
<PAYABLE-FOR-SECURITIES>
6,961
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
935
<TOTAL-LIABILITIES>
7,896
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
331,044
<SHARES-COMMON-STOCK>
333
<SHARES-COMMON-PRIOR>
106
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
52,086
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
37,828
<NET-ASSETS>
420,958
<DIVIDEND-INCOME>
2,093
<INTEREST-INCOME>
1,218
<OTHER-INCOME>
0
<EXPENSES-NET>
5,179
<NET-INVESTMENT-INCOME>
(1,868)
<REALIZED-GAINS-CURRENT>
55,119
<APPREC-INCREASE-CURRENT>
22,620
<NET-CHANGE-FROM-OPS>
75,871
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
24
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
303
<NUMBER-OF-SHARES-REDEEMED>
79
<SHARES-REINVESTED>
2
<NET-CHANGE-IN-ASSETS>
196,353
<ACCUMULATED-NII-PRIOR>
(61)
<ACCUMULATED-GAINS-PRIOR>
2,717
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
2,182
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
5,368
<AVERAGE-NET-ASSETS>
2,630
<PER-SHARE-NAV-BEGIN>
11.700
<PER-SHARE-NII>
(.090)
<PER-SHARE-GAIN-APPREC>
2.640
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
.210
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
14.040
<EXPENSE-RATIO>
162
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 32
<NAME> Fidelity Advisor Mid Cap Fund
Class B
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
382,408
<INVESTMENTS-AT-VALUE>
420,235
<RECEIVABLES>
8,373
<ASSETS-OTHER>
246
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
428,854
<PAYABLE-FOR-SECURITIES>
6,961
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
935
<TOTAL-LIABILITIES>
7,896
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
331,044
<SHARES-COMMON-STOCK>
4,214
<SHARES-COMMON-PRIOR>
2,818
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
52,086
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
37,828
<NET-ASSETS>
420,958
<DIVIDEND-INCOME>
2,093
<INTEREST-INCOME>
1,218
<OTHER-INCOME>
0
<EXPENSES-NET>
5,179
<NET-INVESTMENT-INCOME>
(1,868)
<REALIZED-GAINS-CURRENT>
55,119
<APPREC-INCREASE-CURRENT>
22,620
<NET-CHANGE-FROM-OPS>
75,871
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
442
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
1,908
<NUMBER-OF-SHARES-REDEEMED>
549
<SHARES-REINVESTED>
38
<NET-CHANGE-IN-ASSETS>
196,353
<ACCUMULATED-NII-PRIOR>
(61)
<ACCUMULATED-GAINS-PRIOR>
2,717
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
2,182
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
5,368
<AVERAGE-NET-ASSETS>
43,484
<PER-SHARE-NAV-BEGIN>
11.610
<PER-SHARE-NII>
(.140)
<PER-SHARE-GAIN-APPREC>
2.620
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
.150
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
13.940
<EXPENSE-RATIO>
203
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 35
<NAME> Fidelity Advisor Mid Cap Fund
Class C
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
382,408
<INVESTMENTS-AT-VALUE>
420,235
<RECEIVABLES>
8,373
<ASSETS-OTHER>
246
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
428,854
<PAYABLE-FOR-SECURITIES>
6,961
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
935
<TOTAL-LIABILITIES>
7,896
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
331,044
<SHARES-COMMON-STOCK>
25
<SHARES-COMMON-PRIOR>
0
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
52,086
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
37,828
<NET-ASSETS>
420,958
<DIVIDEND-INCOME>
2,093
<INTEREST-INCOME>
1,218
<OTHER-INCOME>
0
<EXPENSES-NET>
5,179
<NET-INVESTMENT-INCOME>
(1,868)
<REALIZED-GAINS-CURRENT>
55,119
<APPREC-INCREASE-CURRENT>
22,620
<NET-CHANGE-FROM-OPS>
75,871
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
0
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
25
<NUMBER-OF-SHARES-REDEEMED>
0
<SHARES-REINVESTED>
0
<NET-CHANGE-IN-ASSETS>
196,353
<ACCUMULATED-NII-PRIOR>
(61)
<ACCUMULATED-GAINS-PRIOR>
2,717
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
2,182
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
5,368
<AVERAGE-NET-ASSETS>
142
<PER-SHARE-NAV-BEGIN>
14.160
<PER-SHARE-NII>
(.010)
<PER-SHARE-GAIN-APPREC>
(.070)
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
0
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
14.080
<EXPENSE-RATIO>
250
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 33
<NAME> Fidelity Advisor Mid Cap Fund
Institutional Class
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
382,408
<INVESTMENTS-AT-VALUE>
420,235
<RECEIVABLES>
8,373
<ASSETS-OTHER>
246
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
428,854
<PAYABLE-FOR-SECURITIES>
6,961
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
935
<TOTAL-LIABILITIES>
7,896
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
331,044
<SHARES-COMMON-STOCK>
2,163
<SHARES-COMMON-PRIOR>
308
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
52,086
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
37,828
<NET-ASSETS>
420,958
<DIVIDEND-INCOME>
2,093
<INTEREST-INCOME>
1,218
<OTHER-INCOME>
0
<EXPENSES-NET>
5,179
<NET-INVESTMENT-INCOME>
(1,868)
<REALIZED-GAINS-CURRENT>
55,119
<APPREC-INCREASE-CURRENT>
22,620
<NET-CHANGE-FROM-OPS>
75,871
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
76
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
7,540
<NUMBER-OF-SHARES-REDEEMED>
5,690
<SHARES-REINVESTED>
6
<NET-CHANGE-IN-ASSETS>
196,353
<ACCUMULATED-NII-PRIOR>
(61)
<ACCUMULATED-GAINS-PRIOR>
2,717
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
2,182
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
5,368
<AVERAGE-NET-ASSETS>
52,021
<PER-SHARE-NAV-BEGIN>
11.700
<PER-SHARE-NII>
.010
<PER-SHARE-GAIN-APPREC>
2.630
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
.220
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
14.120
<EXPENSE-RATIO>
91
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 31
<NAME> Fidelity Advisor Mid Cap Fund
Class T
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
382,408
<INVESTMENTS-AT-VALUE>
420,235
<RECEIVABLES>
8,373
<ASSETS-OTHER>
246
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
428,854
<PAYABLE-FOR-SECURITIES>
6,961
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
935
<TOTAL-LIABILITIES>
7,896
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
331,044
<SHARES-COMMON-STOCK>
23,190
<SHARES-COMMON-PRIOR>
15,988
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
52,086
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
37,828
<NET-ASSETS>
420,958
<DIVIDEND-INCOME>
2,093
<INTEREST-INCOME>
1,218
<OTHER-INCOME>
0
<EXPENSES-NET>
5,179
<NET-INVESTMENT-INCOME>
(1,868)
<REALIZED-GAINS-CURRENT>
55,119
<APPREC-INCREASE-CURRENT>
22,620
<NET-CHANGE-FROM-OPS>
75,871
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
2,940
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
18,242
<NUMBER-OF-SHARES-REDEEMED>
11,288
<SHARES-REINVESTED>
247
<NET-CHANGE-IN-ASSETS>
196,353
<ACCUMULATED-NII-PRIOR>
(61)
<ACCUMULATED-GAINS-PRIOR>
2,717
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
2,182
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
5,368
<AVERAGE-NET-ASSETS>
266,880
<PER-SHARE-NAV-BEGIN>
11.700
<PER-SHARE-NII>
(.070)
<PER-SHARE-GAIN-APPREC>
2.640
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
.180
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
14.090
<EXPENSE-RATIO>
148
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 21
<NAME> Fidelity Advisor Large Cap Fund
- -Class A
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
62,838
<INVESTMENTS-AT-VALUE>
73,334
<RECEIVABLES>
579
<ASSETS-OTHER>
13
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
73,926
<PAYABLE-FOR-SECURITIES>
1,090
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
227
<TOTAL-LIABILITIES>
1,317
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
57,264
<SHARES-COMMON-STOCK>
167
<SHARES-COMMON-PRIOR>
42
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
4,850
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
10,495
<NET-ASSETS>
72,609
<DIVIDEND-INCOME>
671
<INTEREST-INCOME>
190
<OTHER-INCOME>
0
<EXPENSES-NET>
1,025
<NET-INVESTMENT-INCOME>
(164)
<REALIZED-GAINS-CURRENT>
5,078
<APPREC-INCREASE-CURRENT>
5,509
<NET-CHANGE-FROM-OPS>
10,423
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
4
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
144
<NUMBER-OF-SHARES-REDEEMED>
(20)
<SHARES-REINVESTED>
0
<NET-CHANGE-IN-ASSETS>
27,108
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
200
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
365
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
1,067
<AVERAGE-NET-ASSETS>
1,450
<PER-SHARE-NAV-BEGIN>
11.830
<PER-SHARE-NII>
(.04)
<PER-SHARE-GAIN-APPREC>
2.250
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
.080
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
13.960
<EXPENSE-RATIO>
175
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 22
<NAME> Fidelity Advisor Large Cap Fund
- -Class B
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
62,838
<INVESTMENTS-AT-VALUE>
73,334
<RECEIVABLES>
579
<ASSETS-OTHER>
13
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
73,926
<PAYABLE-FOR-SECURITIES>
1,090
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
227
<TOTAL-LIABILITIES>
1,317
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
57,264
<SHARES-COMMON-STOCK>
1,511
<SHARES-COMMON-PRIOR>
826
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
4,850
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
10,495
<NET-ASSETS>
72,609
<DIVIDEND-INCOME>
671
<INTEREST-INCOME>
190
<OTHER-INCOME>
0
<EXPENSES-NET>
1,025
<NET-INVESTMENT-INCOME>
(164)
<REALIZED-GAINS-CURRENT>
5,078
<APPREC-INCREASE-CURRENT>
5,509
<NET-CHANGE-FROM-OPS>
10,423
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
45
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
867
<NUMBER-OF-SHARES-REDEEMED>
(186)
<SHARES-REINVESTED>
4
<NET-CHANGE-IN-ASSETS>
27,108
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
200
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
365
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
1,067
<AVERAGE-NET-ASSETS>
16,078
<PER-SHARE-NAV-BEGIN>
11.770
<PER-SHARE-NII>
(.090)
<PER-SHARE-GAIN-APPREC>
2.220
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
(.050)
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
13.850
<EXPENSE-RATIO>
216
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 25
<NAME> Fidelity Advisor Large Cap Fund
- -Class C
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
62,838
<INVESTMENTS-AT-VALUE>
73,334
<RECEIVABLES>
579
<ASSETS-OTHER>
13
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
73,926
<PAYABLE-FOR-SECURITIES>
1,090
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
227
<TOTAL-LIABILITIES>
1,317
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
57,264
<SHARES-COMMON-STOCK>
3
<SHARES-COMMON-PRIOR>
0
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
4,850
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
10,495
<NET-ASSETS>
72,609
<DIVIDEND-INCOME>
671
<INTEREST-INCOME>
190
<OTHER-INCOME>
0
<EXPENSES-NET>
1,025
<NET-INVESTMENT-INCOME>
(164)
<REALIZED-GAINS-CURRENT>
5,078
<APPREC-INCREASE-CURRENT>
5,509
<NET-CHANGE-FROM-OPS>
10,423
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
0
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
3
<NUMBER-OF-SHARES-REDEEMED>
0
<SHARES-REINVESTED>
0
<NET-CHANGE-IN-ASSETS>
27,108
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
200
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
365
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
1,067
<AVERAGE-NET-ASSETS>
20
<PER-SHARE-NAV-BEGIN>
13.970
<PER-SHARE-NII>
(.01)
<PER-SHARE-GAIN-APPREC>
.020
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
0
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
13.980
<EXPENSE-RATIO>
250
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 23
<NAME> Fidelity Advisor Large Cap Fund
- -Institutional
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
62,838
<INVESTMENTS-AT-VALUE>
73,334
<RECEIVABLES>
579
<ASSETS-OTHER>
13
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
73,926
<PAYABLE-FOR-SECURITIES>
1,090
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
227
<TOTAL-LIABILITIES>
1,317
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
57,264
<SHARES-COMMON-STOCK>
467
<SHARES-COMMON-PRIOR>
771
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
4,850
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
10,495
<NET-ASSETS>
72,609
<DIVIDEND-INCOME>
671
<INTEREST-INCOME>
190
<OTHER-INCOME>
0
<EXPENSES-NET>
1,025
<NET-INVESTMENT-INCOME>
(164)
<REALIZED-GAINS-CURRENT>
5,078
<APPREC-INCREASE-CURRENT>
5,509
<NET-CHANGE-FROM-OPS>
10,423
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
71
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
333
<NUMBER-OF-SHARES-REDEEMED>
(643)
<SHARES-REINVESTED>
6
<NET-CHANGE-IN-ASSETS>
27,108
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
200
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
365
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
1,067
<AVERAGE-NET-ASSETS>
7,676
<PER-SHARE-NAV-BEGIN>
11.860
<PER-SHARE-NII>
.040
<PER-SHARE-GAIN-APPREC>
2.240
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
(.090)
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
14.050
<EXPENSE-RATIO>
115
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000722574
<NAME> Fidelity Advisor Series I
<SERIES>
<NUMBER> 24
<NAME> Fidelity Advisor Large Cap Fund
- -Class T
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
NOV-30-1997
<PERIOD-END>
NOV-30-1997
<INVESTMENTS-AT-COST>
62,838
<INVESTMENTS-AT-VALUE>
73,334
<RECEIVABLES>
579
<ASSETS-OTHER>
13
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
73,926
<PAYABLE-FOR-SECURITIES>
1,090
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
227
<TOTAL-LIABILITIES>
1,317
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
57,264
<SHARES-COMMON-STOCK>
3,057
<SHARES-COMMON-PRIOR>
2,210
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
4,850
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
10,495
<NET-ASSETS>
72,609
<DIVIDEND-INCOME>
671
<INTEREST-INCOME>
190
<OTHER-INCOME>
0
<EXPENSES-NET>
1,025
<NET-INVESTMENT-INCOME>
(164)
<REALIZED-GAINS-CURRENT>
5,078
<APPREC-INCREASE-CURRENT>
5,509
<NET-CHANGE-FROM-OPS>
10,423
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
0
<DISTRIBUTIONS-OF-GAINS>
137
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
2,250
<NUMBER-OF-SHARES-REDEEMED>
(1,414)
<SHARES-REINVESTED>
11
<NET-CHANGE-IN-ASSETS>
27,108
<ACCUMULATED-NII-PRIOR>
0
<ACCUMULATED-GAINS-PRIOR>
200
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
365
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
1,067
<AVERAGE-NET-ASSETS>
35,811
<PER-SHARE-NAV-BEGIN>
11.820
<PER-SHARE-NII>
(.020)
<PER-SHARE-GAIN-APPREC>
2.240
<PER-SHARE-DIVIDEND>
0
<PER-SHARE-DISTRIBUTIONS>
(.060)
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
13.980
<EXPENSE-RATIO>
162
<AVG-DEBT-OUTSTANDING>
0
<AVG-DEBT-PER-SHARE>
0
</TABLE>
