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SIGNATURE DOUGLAS A. ROMICH
TITLE ASSISTANT TREASURER
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<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000727101
<NAME> STATE STREET RESEARCH CAPITAL TRUST
<SERIES>
<NUMBER> 034
<NAME> STATE STREET RESEARCH SMALL CAPITALIZATION VALUE FUND CL. D
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> SEP-30-1996
<PERIOD-END> MAR-31-1996
<INVESTMENTS-AT-COST> 5,987,656
<INVESTMENTS-AT-VALUE> 6,960,765
<RECEIVABLES> 645,092
<ASSETS-OTHER> 88,378
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 7,694,235
<PAYABLE-FOR-SECURITIES> 328,203
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 38,288
<TOTAL-LIABILITIES> 366,491
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 5,745,246
<SHARES-COMMON-STOCK> 10,991
<SHARES-COMMON-PRIOR> 10,493
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 609,389
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 973,109
<NET-ASSETS> 7,327,744
<DIVIDEND-INCOME> 23,996
<INTEREST-INCOME> 790
<OTHER-INCOME> 0
<EXPENSES-NET> 45,440
<NET-INVESTMENT-INCOME> (20,654)
<REALIZED-GAINS-CURRENT> 609,270
<APPREC-INCREASE-CURRENT> 436,704
<NET-CHANGE-FROM-OPS> 1,025,320
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (430)
<DISTRIBUTIONS-OF-GAINS> (5,268)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 498
<NET-CHANGE-IN-ASSETS> 1,196,471
<ACCUMULATED-NII-PRIOR> 36,497
<ACCUMULATED-GAINS-PRIOR> 275,486
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 26,562
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 105,789
<AVERAGE-NET-ASSETS> 6,143,131
<PER-SHARE-NAV-BEGIN> 11.08
<PER-SHARE-NII> (0.08)
<PER-SHARE-GAIN-APPREC> 1.82
<PER-SHARE-DIVIDEND> (0.04)
<PER-SHARE-DISTRIBUTIONS> (0.50)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 12.28
<EXPENSE-RATIO> 2.20
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
