<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000918572
<NAME> STATE STREET RESEARCH SECURITIES TRUST
<SERIES>
<NUMBER> 035
<NAME> STATE STREET RESEARCH GALILEO FUND CLASS B1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> APR-30-2000
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</TABLE>
