[ARTICLE] 6
[CIK] 0000874835
[NAME] GREENWICH STREET SERIES FUND
[SERIES]
   [NUMBER] 4
   [NAME] APPRECIATION PORTFOLIO
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   6-MOS
[FISCAL-YEAR-END]                          DEC-31-1999
[PERIOD-END]                               JUN-30-1999
[INVESTMENTS-AT-COST]                      300,803,974
[INVESTMENTS-AT-VALUE]                     384,909,575
[RECEIVABLES]                                2,653,488
[ASSETS-OTHER]                                       4
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             387,563,067
[PAYABLE-FOR-SECURITIES]                     5,077,709
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      255,499
[TOTAL-LIABILITIES]                          5,333,208
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   286,211,059
[SHARES-COMMON-STOCK]                       16,863,442
[SHARES-COMMON-PRIOR]                       11,611,924
[ACCUMULATED-NII-CURRENT]                    1,802,732
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                     10,110,467
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    84,105,601
[NET-ASSETS]                               382,229,859
[DIVIDEND-INCOME]                            1,551,782
[INTEREST-INCOME]                            1,450,479
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               1,151,715
[NET-INVESTMENT-INCOME]                      1,850,546
[REALIZED-GAINS-CURRENT]                    11,779,168
[APPREC-INCREASE-CURRENT]                   14,272,662
[NET-CHANGE-FROM-OPS]                       27,902,376
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                    2,559,066
[DISTRIBUTIONS-OF-GAINS]                     5,751,019
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                      5,790,455
[NUMBER-OF-SHARES-REDEEMED]                    917,184
[SHARES-REINVESTED]                            378,247
[NET-CHANGE-IN-ASSETS]                     136,549,604
[ACCUMULATED-NII-PRIOR]                      2,556,138
[ACCUMULATED-GAINS-PRIOR]                    4,082,318
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        1,113,727
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              1,151,715
[AVERAGE-NET-ASSETS]                       300,211,500
[PER-SHARE-NAV-BEGIN]                            21.16
[PER-SHARE-NII]                                  00.13
[PER-SHARE-GAIN-APPREC]                          01.90
[PER-SHARE-DIVIDEND]                             00.16
[PER-SHARE-DISTRIBUTIONS]                        00.36
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              22.67
[EXPENSE-RATIO]                                  00.77
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>