<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
This schedule contains Summary Financial Information extracted from the Form
N-SAR and the financial statements and is qualified in its entirety by
references to such documents.
</LEGEND>
<SERIES>
   <NUMBER> 012
   <NAME> NUVEEN RITTENHOUSE GROWTH FUND - CLASS B
<MULTIPLIER> 1000

<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          JUL-31-2000
<PERIOD-START>                             AUG-01-1999
<PERIOD-END>                               JUL-31-2000
<INVESTMENTS-AT-COST>                           525937
<INVESTMENTS-AT-VALUE>                          648952
<RECEIVABLES>                                     2047
<ASSETS-OTHER>                                    1645
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  652644
<PAYABLE-FOR-SECURITIES>                          1418
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                         1846
<TOTAL-LIABILITIES>                               3264
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        529842
<SHARES-COMMON-STOCK>                            10088
<SHARES-COMMON-PRIOR>                             8950
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                         (3477)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                        123015
<NET-ASSETS>                                    649380
<DIVIDEND-INCOME>                                 4327
<INTEREST-INCOME>                                 1045
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                   11231
<NET-INVESTMENT-INCOME>                         (5859)
<REALIZED-GAINS-CURRENT>                          1144
<APPREC-INCREASE-CURRENT>                        85946
<NET-CHANGE-FROM-OPS>                            81231
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                            72
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                           2392
<NUMBER-OF-SHARES-REDEEMED>                       1256
<SHARES-REINVESTED>                                  1
<NET-CHANGE-IN-ASSETS>                          134006
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                             4967
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  11381
<AVERAGE-NET-ASSETS>                            263623
<PER-SHARE-NAV-BEGIN>                            24.82
<PER-SHARE-NII>                                  (.33)
<PER-SHARE-GAIN-APPREC>                           4.07
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                        (.01)
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              28.55
<EXPENSE-RATIO>                                   2.10


</TABLE>