[ARTICLE] 6
[CIK] 0000880583
[NAME] THE TRAVELERS SERIES TRUST
[SERIES]
   [NUMBER] 20
   [NAME] NWQ LARGE CAP PORTFOLIO
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   6-MOS
[FISCAL-YEAR-END]                          DEC-31-1999
[PERIOD-END]                               JUN-30-1999
[INVESTMENTS-AT-COST]                       13,893,901
[INVESTMENTS-AT-VALUE]                      15,269,446
[RECEIVABLES]                                   46,978
[ASSETS-OTHER]                                   2,665
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                              15,319,089
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                       28,038
[TOTAL-LIABILITIES]                             28,038
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                    13,760,945
[SHARES-COMMON-STOCK]                                0
[SHARES-COMMON-PRIOR]                                0
[ACCUMULATED-NII-CURRENT]                       68,678
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                         85,883
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                     1,375,545
[NET-ASSETS]                                15,291,051
[DIVIDEND-INCOME]                               95,533
[INTEREST-INCOME]                               32,727
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                  59,582
[NET-INVESTMENT-INCOME]                         68,678
[REALIZED-GAINS-CURRENT]                        94,458
[APPREC-INCREASE-CURRENT]                    1,490,295
[NET-CHANGE-FROM-OPS]                        1,653,431
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        524,841
[NUMBER-OF-SHARES-REDEEMED]                     12,883
[SHARES-REINVESTED]                                  0
[NET-CHANGE-IN-ASSETS]                       6,828,195
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                      (8,575)
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                           45,410
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                 70,532
[AVERAGE-NET-ASSETS]                        11,343,377
[PER-SHARE-NAV-BEGIN]                            09.46
[PER-SHARE-NII]                                  00.06
[PER-SHARE-GAIN-APPREC]                          01.35
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              10.87
[EXPENSE-RATIO]                                  01.00
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>