<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000819118
<NAME> Fidelity Concord Street Trust
<SERIES>
<NUMBER> 31
<NAME> Spartan Extended Market Index Fund
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
6-MOS
<FISCAL-YEAR-END>
FEB-28-2001
<PERIOD-END>
AUG-31-2000
<INVESTMENTS-AT-COST>
590,935
<INVESTMENTS-AT-VALUE>
630,766
<RECEIVABLES>
12,446
<ASSETS-OTHER>
0
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
643,212
<PAYABLE-FOR-SECURITIES>
15,551
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
74,675
<TOTAL-LIABILITIES>
90,226
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
499,044
<SHARES-COMMON-STOCK>
15,506
<SHARES-COMMON-PRIOR>
11,916
<ACCUMULATED-NII-CURRENT>
2,190
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
11,566
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
40,186
<NET-ASSETS>
552,986
<DIVIDEND-INCOME>
1,993
<INTEREST-INCOME>
341
<OTHER-INCOME>
314
<EXPENSES-NET>
622
<NET-INVESTMENT-INCOME>
2,026
<REALIZED-GAINS-CURRENT>
13,882
<APPREC-INCREASE-CURRENT>
(44,823)
<NET-CHANGE-FROM-OPS>
(28,915)
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
425
<DISTRIBUTIONS-OF-GAINS>
9,570
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
6,525
<NUMBER-OF-SHARES-REDEEMED>
3,204
<SHARES-REINVESTED>
269
<NET-CHANGE-IN-ASSETS>
94,204
<ACCUMULATED-NII-PRIOR>
616
<ACCUMULATED-GAINS-PRIOR>
7,768
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
590
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
1,114
<AVERAGE-NET-ASSETS>
492,535
<PER-SHARE-NAV-BEGIN>
38.500
<PER-SHARE-NII>
.140
<PER-SHARE-GAIN-APPREC>
(2.290)
<PER-SHARE-DIVIDEND>
.030
<PER-SHARE-DISTRIBUTIONS>
.680
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
35.660
<EXPENSE-RATIO>
25
</TABLE>
