<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000898031
<NAME> LORD ABBETT SECURITIES TRUST
<SERIES>
<NUMBER> 011
<NAME> GROWTH & INCOME SERIES - CLASS A
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-END> OCT-31-2000
<INVESTMENTS-AT-COST> 179,961,924
<INVESTMENTS-AT-VALUE> 262,084,391
<RECEIVABLES> 10,378,405
<ASSETS-OTHER> 109,243
<OTHER-ITEMS-ASSETS> 373
<TOTAL-ASSETS> 272,572,412
<PAYABLE-FOR-SECURITIES> 5,043,475
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,262,035
<TOTAL-LIABILITIES> 6,305,510
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 163,449,701
<SHARES-COMMON-STOCK> 11,801,953
<SHARES-COMMON-PRIOR> 9,397,408
<ACCUMULATED-NII-CURRENT> 240,254
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 20,454,480
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 82,122,467
<NET-ASSETS> 136,038,315
<DIVIDEND-INCOME> 3,636,353
<INTEREST-INCOME> 819,061
<OTHER-INCOME> 0
<EXPENSES-NET> 4,072,987
<NET-INVESTMENT-INCOME> 382,427
<REALIZED-GAINS-CURRENT> 20,552,193
<APPREC-INCREASE-CURRENT> 5,032,015
<NET-CHANGE-FROM-OPS> 25,966,635
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (5,343,824)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 4,009,634
<NUMBER-OF-SHARES-REDEEMED> (2,060,366)
<SHARES-REINVESTED> 455,277
<NET-CHANGE-IN-ASSETS> 49,469,601
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 11,295,103
<OVERDISTRIB-NII-PRIOR> (224,981)
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,792,139
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 4,101,956
<AVERAGE-NET-ASSETS> 121,635,338
<PER-SHARE-NAV-BEGIN> 10.87
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 1.17
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (0.56)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.53
<EXPENSE-RATIO> 1.35
</TABLE>
