<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information extracted from the
Guardian Portfolio Semi-Annual Report and is qualified in its entirety
by reference to such document.
</LEGEND>
<CIK> 0000736913
<NAME> NEUBERGER BERMAN ADVISERS MANAGEMENT TRUST
<SERIES>
<NUMBER> 08
<NAME> GUARDIAN PORTFOLIO
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 108,990
<INVESTMENTS-AT-VALUE> 116,827
<RECEIVABLES> 2,723
<ASSETS-OTHER> 13
<OTHER-ITEMS-ASSETS> 1
<TOTAL-ASSETS> 119,564
<PAYABLE-FOR-SECURITIES> 686
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,023
<TOTAL-LIABILITIES> 1,709
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 104,674
<SHARES-COMMON-STOCK> 7,211
<SHARES-COMMON-PRIOR> 7,639
<ACCUMULATED-NII-CURRENT> 264
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 5,148
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 7,769
<NET-ASSETS> 117,855
<DIVIDEND-INCOME> 614
<INTEREST-INCOME> 228
<OTHER-INCOME> 0
<EXPENSES-NET> (574)
<NET-INVESTMENT-INCOME> 268
<REALIZED-GAINS-CURRENT> 6,181
<APPREC-INCREASE-CURRENT> (3,354)
<NET-CHANGE-FROM-OPS> 3,095
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (639)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,767
<NUMBER-OF-SHARES-REDEEMED> (3,239)
<SHARES-REINVESTED> 44
<NET-CHANGE-IN-ASSETS> (3,196)
<ACCUMULATED-NII-PRIOR> 635
<ACCUMULATED-GAINS-PRIOR> (1,033)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 316
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 574
<AVERAGE-NET-ASSETS> 115,469
<PER-SHARE-NAV-BEGIN> 15.85
<PER-SHARE-NII> .04
<PER-SHARE-GAIN-APPREC> .54
<PER-SHARE-DIVIDEND> (.09)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.34
<EXPENSE-RATIO> 1.00<F1>
<FN>
<F1> Annualized
</FN>
</TABLE>
