<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 023
<NAME> LUTHERAN BROTHERHOOD FUND
</SERIES>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> OCT-31-2000
<PERIOD-START> NOV-01-1999
<PERIOD-END> APR-30-2000
<INVESTMENTS-AT-COST> 1,293,841
<INVESTMENTS-AT-VALUE> 1,626,622
<RECEIVABLES> 20,376
<ASSETS-OTHER> 92
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1,647,090
<PAYABLE-FOR-SECURITIES> 957
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 544
<TOTAL-LIABILITIES> 1,501
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1,221,419
<SHARES-COMMON-STOCK> 1,665
<SHARES-COMMON-PRIOR> 1,383
<ACCUMULATED-NII-CURRENT> 108
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 91,281
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 332,782
<NET-ASSETS> 1,645,589
<DIVIDEND-INCOME> 6,637
<INTEREST-INCOME> 1,336
<OTHER-INCOME> 0
<EXPENSES-NET> 6,806
<NET-INVESTMENT-INCOME> 1,167
<REALIZED-GAINS-CURRENT> 94,028
<APPREC-INCREASE-CURRENT> 26,145
<NET-CHANGE-FROM-OPS> 121,339
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 104
<DISTRIBUTIONS-OF-GAINS> 6,139
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 227
<NUMBER-OF-SHARES-REDEEMED> 130
<SHARES-REINVESTED> 184
<NET-CHANGE-IN-ASSETS> 114,613
<ACCUMULATED-NII-PRIOR> 450
<ACCUMULATED-GAINS-PRIOR> 215,036
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,778
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 7,208
<AVERAGE-NET-ASSETS> 45,628
<PER-SHARE-NAV-BEGIN> 31.24
<PER-SHARE-NII> 0.06
<PER-SHARE-GAIN-APPREC> 2.31
<PER-SHARE-DIVIDEND> 0.07
<PER-SHARE-DISTRIBUTIONS> 4.44
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 29.10
<EXPENSE-RATIO> 0.54
</TABLE>
