[ARTICLE] 6
[CIK] 0000706453
[NAME] MANAGED ASSETS TRUST
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   6-MOS
[FISCAL-YEAR-END]                          DEC-31-1999
[PERIOD-END]                               JUN-30-1999
[INVESTMENTS-AT-COST]                      250,218,179
[INVESTMENTS-AT-VALUE]                     310,751,937
[RECEIVABLES]                                3,169,925
[ASSETS-OTHER]                                  72,906
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             313,994,768
[PAYABLE-FOR-SECURITIES]                       419,938
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      249,273
[TOTAL-LIABILITIES]                            669,221
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   221,761,830
[SHARES-COMMON-STOCK]                       15,853,964
[SHARES-COMMON-PRIOR]                       13,812,401
[ACCUMULATED-NII-CURRENT]                    3,131,030
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                     28,010,651
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    60,422,046
[NET-ASSETS]                               313,325,557
[DIVIDEND-INCOME]                            1,316,415
[INTEREST-INCOME]                            2,708,330
[OTHER-INCOME]                                       0
[EXPENSES-NET]                                 893,775
[NET-INVESTMENT-INCOME]                      3,130,970
[REALIZED-GAINS-CURRENT]                    27,274,592
[APPREC-INCREASE-CURRENT]                 (10,850,194)
[NET-CHANGE-FROM-OPS]                       19,555,368
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                    5,732,184
[DISTRIBUTIONS-OF-GAINS]                    17,063,313
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        955,211
[NUMBER-OF-SHARES-REDEEMED]                    100,913
[SHARES-REINVESTED]                          1,187,265
[NET-CHANGE-IN-ASSETS]                      37,143,883
[ACCUMULATED-NII-PRIOR]                      5,732,244
[ACCUMULATED-GAINS-PRIOR]                   17,799,372
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                          813,272
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                                893,775
[AVERAGE-NET-ASSETS]                       293,066,258
[PER-SHARE-NAV-BEGIN]                            19.99
[PER-SHARE-NII]                                  00.22
[PER-SHARE-GAIN-APPREC]                          01.11
[PER-SHARE-DIVIDEND]                             00.39
[PER-SHARE-DISTRIBUTIONS]                        01.17
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              19.76
[EXPENSE-RATIO]                                  00.60
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>