<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000205323
<NAME> Fidelity Commonwealth Trust
<SERIES>
<NUMBER> 41
<NAME> Fidelity Large Cap Stock Fund
<MULTIPLIER> 1,000
<S>
<C>
<PERIOD-TYPE>
YEAR
<FISCAL-YEAR-END>
APR-30-2000
<PERIOD-END>
APR-30-2000
<INVESTMENTS-AT-COST>
933,414
<INVESTMENTS-AT-VALUE>
1,128,848
<RECEIVABLES>
10,614
<ASSETS-OTHER>
0
<OTHER-ITEMS-ASSETS>
0
<TOTAL-ASSETS>
1,139,462
<PAYABLE-FOR-SECURITIES>
17,402
<SENIOR-LONG-TERM-DEBT>
0
<OTHER-ITEMS-LIABILITIES>
7,123
<TOTAL-LIABILITIES>
24,525
<SENIOR-EQUITY>
0
<PAID-IN-CAPITAL-COMMON>
883,029
<SHARES-COMMON-STOCK>
52,302
<SHARES-COMMON-PRIOR>
34,424
<ACCUMULATED-NII-CURRENT>
0
<OVERDISTRIBUTION-NII>
0
<ACCUMULATED-NET-GAINS>
36,479
<OVERDISTRIBUTION-GAINS>
0
<ACCUM-APPREC-OR-DEPREC>
195,429
<NET-ASSETS>
1,114,937
<DIVIDEND-INCOME>
6,441
<INTEREST-INCOME>
2,125
<OTHER-INCOME>
41
<EXPENSES-NET>
8,060
<NET-INVESTMENT-INCOME>
547
<REALIZED-GAINS-CURRENT>
49,992
<APPREC-INCREASE-CURRENT>
108,941
<NET-CHANGE-FROM-OPS>
159,480
<EQUALIZATION>
0
<DISTRIBUTIONS-OF-INCOME>
957
<DISTRIBUTIONS-OF-GAINS>
19,130
<DISTRIBUTIONS-OTHER>
0
<NUMBER-OF-SHARES-SOLD>
43,007
<NUMBER-OF-SHARES-REDEEMED>
26,131
<SHARES-REINVESTED>
1,002
<NET-CHANGE-IN-ASSETS>
481,888
<ACCUMULATED-NII-PRIOR>
380
<ACCUMULATED-GAINS-PRIOR>
7,593
<OVERDISTRIB-NII-PRIOR>
0
<OVERDIST-NET-GAINS-PRIOR>
0
<GROSS-ADVISORY-FEES>
5,591
<INTEREST-EXPENSE>
0
<GROSS-EXPENSE>
8,215
<AVERAGE-NET-ASSETS>
907,314
<PER-SHARE-NAV-BEGIN>
18.390
<PER-SHARE-NII>
.010
<PER-SHARE-GAIN-APPREC>
3.390
<PER-SHARE-DIVIDEND>
.020
<PER-SHARE-DISTRIBUTIONS>
.450
<RETURNS-OF-CAPITAL>
0
<PER-SHARE-NAV-END>
21.320
<EXPENSE-RATIO>
91
</TABLE>
