<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 Diversified Municipal
Portfolio.
</LEGEND>
<SERIES>
<NUMBER> 09
<NAME> BERNSTEIN SHORT DURATION DIVERSIFIED MUNICIPAL
<MULTIPLIER> 1
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> SEP-30-2000
<PERIOD-END> SEP-30-2000
<INVESTMENTS-AT-COST> 153,384,189
<INVESTMENTS-AT-VALUE> 153,444,407
<RECEIVABLES> 6,031,432
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 1,728
<TOTAL-ASSETS> 159,477,567
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,162,563
<TOTAL-LIABILITIES> 1,162,563
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 158,969,910
<SHARES-COMMON-STOCK> 12,724,608
<SHARES-COMMON-PRIOR> 13,667,470
<ACCUMULATED-NII-CURRENT> (9,678)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (718,171)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 60,218
<NET-ASSETS> 158,315,004
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 7,539,503
<OTHER-INCOME> 0
<EXPENSES-NET> 1,203,588
<NET-INVESTMENT-INCOME> 6,335,915
<REALIZED-GAINS-CURRENT> (716,710)
<APPREC-INCREASE-CURRENT> 634,941
<NET-CHANGE-FROM-OPS> 6,254,146
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 6,335,915
<DISTRIBUTIONS-OF-GAINS> 545,789
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 9,148,852
<NUMBER-OF-SHARES-REDEEMED> 10,292,592
<SHARES-REINVESTED> 200,878
<NET-CHANGE-IN-ASSETS> (12,406,792)
<ACCUMULATED-NII-PRIOR> (9,678)
<ACCUMULATED-GAINS-PRIOR> 544,328
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 844,230
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,203,588
<AVERAGE-NET-ASSETS> 170,504,553
<PER-SHARE-NAV-BEGIN> 12.49
<PER-SHARE-NII> 0.47
<PER-SHARE-GAIN-APPREC> (0.01)
<PER-SHARE-DIVIDEND> 0.47
<PER-SHARE-DISTRIBUTIONS> 0.04
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 12.44
<EXPENSE-RATIO> 0.71
</TABLE>
