<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information extracted from the N-SAR
answer file for the twelve months ending September 30, 2000 and is qualified in
its entirety by reference to the N-SAR answer file for the twelve months ending
September 30, 2000 for the Bernstein Short Duration Plus Portfolio.
</LEGEND>
<SERIES>
<NUMBER> 02
<NAME> BERNSTEIN SHORT DURATION PLUS
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-END> SEP-30-2000
<INVESTMENTS-AT-COST> 456,630,589
<INVESTMENTS-AT-VALUE> 451,071,344
<RECEIVABLES> 15,850,725
<ASSETS-OTHER> 613<F1>
<OTHER-ITEMS-ASSETS> 93,784
<TOTAL-ASSETS> 467,016,466
<PAYABLE-FOR-SECURITIES> 57,699,815
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,801,133
<TOTAL-LIABILITIES> 59,500,948
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 422,945,033
<SHARES-COMMON-STOCK> 33,277,746
<SHARES-COMMON-PRIOR> 45,157,606
<ACCUMULATED-NII-CURRENT> (978,209)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (9,077,407)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (5,407,178)
<NET-ASSETS> 407,515,518
<DIVIDEND-INCOME> 983
<INTEREST-INCOME> 32,040,917
<OTHER-INCOME> 0
<EXPENSES-NET> 3,226,692
<NET-INVESTMENT-INCOME> 28,815,208
<REALIZED-GAINS-CURRENT> (4,696,223)
<APPREC-INCREASE-CURRENT> 299,063
<NET-CHANGE-FROM-OPS> 24,418,048
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 28,770,364
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 11,033,127
<NUMBER-OF-SHARES-REDEEMED> 23,683,927
<SHARES-REINVESTED> 770,940
<NET-CHANGE-IN-ASSETS> (149,500,135)
<ACCUMULATED-NII-PRIOR> (1,023,053)
<ACCUMULATED-GAINS-PRIOR> (4,381,184)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,453,225
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,226,692
<AVERAGE-NET-ASSETS> 490,224,794
<PER-SHARE-NAV-BEGIN> 12.33
<PER-SHARE-NII> 0.72
<PER-SHARE-GAIN-APPREC> (0.08)
<PER-SHARE-DIVIDEND> 0.72
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 12.25
<EXPENSE-RATIO> 0.66
<FN>
<F1>Includes Cash and Currency
</FN>
</TABLE>
