<PAGE> PAGE 1
000 B000000 12/31/97
000 C000000 706453
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 A
001 A000000 MANAGED ASSETS TRUST
001 B000000 811-3568
001 C000000 2128166550
002 A000000 388 GREENWICH STREET
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10013
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
007 C010100 1
007 C010200 2
007 C010300 3
007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
008 A000001 SMITH BARNEY
008 B000001 S
008 C000001 801-3389
008 D010001 NEW YORK
008 D020001 NY
008 D030001 10013
008 A000002 TRAVELERS ASSET MANAGEMENT INT'L CORP.
008 B000002 A
008 C000002 801-000000
008 D010002 HARTFORD
008 D020002 CT
008 D030002 06183
010 A000001 SMITH BARNEY
010 B000001 801-14437
010 C010001 NEW YORK
010 C020001 NY
010 C030001 10013
011 A000001 SMITH BARNEY
011 B000001 8-81777
<PAGE> PAGE 2
011 C010001 NEW YORK
011 C020001 NY
011 C030001 10013
012 A000001 FIRST DATA INVESTOR SERVICES GROUP
012 B000001 84-0000000
012 C010001 BOSTON
012 C020001 MA
012 C030001 02104
013 A000001 COOPERS AND LYBRAND LLP
013 B010001 HARTFORD
013 B020001 CT
013 B030001 06103
015 A000001 PNC BANK
015 B000001 C
015 C010001 PHILADELPHIA
015 C020001 PA
015 C030001 19103
015 E010001 X
018 000000 Y
019 A000000 Y
019 B000000 127
019 C000000 BARNEY0000
020 A000001 SMITH BARNEY
020 B000001 13-1912900
020 C000001 15
020 A000002 BEAR STEARNS
020 B000002 13-3299429
020 C000002 14
020 A000003 AUTRANET
020 B000003 13-3488904
020 C000003 12
020 A000004 PAINE WEBBER
020 B000004 13-2538166
020 C000004 11
020 A000005 GOLDMAN SACHS
020 B000005 13-5108880
020 C000005 9
020 A000006 CL GLAZIER
020 B000006 N/A
020 C000006 7
020 A000007 FIRST BOSTON
020 B000007 13-5659485
020 C000007 6
020 A000008 STANDARD AND POORS
020 B000008 N/A
020 C000008 5
020 A000009 INSTINET
020 B000009 13-3443395
020 C000009 5
020 A000010 CANTOR FITZGERALD
020 B000010 13-3680187
<PAGE> PAGE 3
020 C000010 5
021 000000 89
022 A000001 GOLDMAN SACHS
022 B000001 13-5108880
022 C000001 29125
022 D000001 25718
022 A000002 SMITH BARNEY
022 B000002 13-1912900
022 C000002 10445
022 D000002 4443
022 A000003 MORGAN STANLEY
022 B000003 13-2655998
022 C000003 24271
022 D000003 23942
022 A000004 JP MORGAN
022 B000004 13-3224016
022 C000004 3677
022 D000004 7519
022 A000005 MERRILL LYNCH
022 B000005 13-5674085
022 C000005 12858
022 D000005 9130
022 A000006 PAINE WEBBER
022 B000006 13-2638166
022 C000006 4427
022 D000006 4248
022 A000007 SALOMON BROTHERS
022 B000007 13-3082694
022 C000007 5932
022 D000007 8446
022 A000008 CS FIRST BOSTON
022 B000008 13-5659485
022 C000008 4006
022 D000008 14420
022 A000009 DONALDSON, LUFKIN & JENRETTE SECURITIES
022 B000009 13-2741729
022 C000009 6646
022 D000009 1534
022 A000010 UBS SECURITIES
022 B000010 13-2932996
022 C000010 7107
022 D000010 7722
023 C000000 108494
023 D000000 107122
024 000000 N
025 D000001 0
025 D000002 0
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
<PAGE> PAGE 4
025 D000007 0
025 D000008 0
027 000000 Y
028 A010000 534
028 A020000 0
028 A030000 0
028 A040000 1115
028 B010000 827
028 B020000 0
028 B030000 0
028 B040000 750
028 C010000 551
028 C020000 0
028 C030000 0
028 C040000 1564
028 D010000 416
028 D020000 0
028 D030000 0
028 D040000 1652
028 E010000 856
028 E020000 0
028 E030000 0
028 E040000 523
028 F010000 766
028 F020000 6284
028 F030000 0
028 F040000 1107
028 G010000 3950
028 G020000 6284
028 G030000 0
028 G040000 6711
028 H000000 0
029 000000 N
030 A000000 0
030 B000000 0.00
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
033 000000 0
034 000000 N
035 000000 0
036 B000000 0
037 000000 N
038 000000 0
042 A000000 0
042 B000000 0
042 C000000 0
042 D000000 0
042 E000000 0
042 F000000 0
<PAGE> PAGE 5
042 G000000 0
042 H000000 0
043 000000 0
044 000000 0
045 000000 Y
046 000000 Y
047 000000 Y
048 000000 0.560
048 A010000 0
048 A020000 0.000
048 B010000 0
048 B020000 0.000
048 C010000 0
048 C020000 0.000
048 D010000 0
048 D020000 0.000
048 E010000 0
048 E020000 0.000
048 F010000 0
048 F020000 0.000
048 G010000 0
048 G020000 0.000
048 H010000 0
048 H020000 0.000
048 I010000 0
048 I020000 0.000
048 J010000 0
048 J020000 0.000
048 K010000 0
048 K020000 0.000
061 000000 0
062 A000000 N
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
062 E000000 0.0
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 0
063 B000000 0.0
<PAGE> PAGE 6
066 A000000 Y
066 C000000 N
066 D000000 N
066 E000000 N
066 F000000 N
066 G000000 Y
067 000000 Y
068 A000000 N
068 B000000 N
069 000000 N
070 A010000 Y
070 A020000 Y
070 B010000 Y
070 B020000 N
070 C010000 Y
070 C020000 N
070 D010000 Y
070 D020000 N
070 E010000 Y
070 E020000 N
070 F010000 Y
070 F020000 Y
070 G010000 Y
070 G020000 N
070 H010000 Y
070 H020000 N
070 I010000 N
070 I020000 N
070 J010000 Y
070 J020000 Y
070 K010000 Y
070 K020000 N
070 L010000 Y
070 L020000 Y
070 M010000 Y
070 M020000 N
070 N010000 N
070 N020000 N
070 O010000 Y
070 O020000 N
070 P010000 N
070 P020000 N
070 Q010000 N
070 Q020000 N
070 R010000 N
070 R020000 N
071 A000000 186544
071 B000000 176750
071 C000000 197401
071 D000000 90
072 A000000 12
<PAGE> PAGE 7
072 B000000 5079
072 C000000 2263
072 D000000 0
072 E000000 0
072 F000000 1035
072 G000000 121
072 H000000 0
072 I000000 8
072 J000000 23
072 K000000 0
072 L000000 64
072 M000000 6
072 N000000 0
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 34
072 S000000 8
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 6
072 X000000 1307
072 Y000000 0
072 Z000000 6035
072AA000000 12929
072BB000000 0
072CC010000 20882
072CC020000 0
072DD010000 1479
072DD020000 0
072EE000000 4805
073 A010000 0.1200
073 A020000 0.0000
073 B000000 0.3900
073 C000000 0.0000
074 A000000 1
074 B000000 2527
074 C000000 3448
074 D000000 70107
074 E000000 5101
074 F000000 142217
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 4388
074 K000000 0
074 L000000 1157
074 M000000 0
074 N000000 228947
074 O000000 4907
<PAGE> PAGE 8
074 P000000 0
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 169
074 S000000 0
074 T000000 223871
074 U010000 12682
074 U020000 0
074 V010000 17.65
074 V020000 0.00
074 W000000 0.0000
074 X000000 0
074 Y000000 0
075 A000000 0
075 B000000 207235
076 000000 0.00
077 A000000 N
078 000000 N
080 A000000 ICI MUTUAL INSURANCE CO.
080 C000000 78275
081 A000000 Y
081 B000000 127
082 A000000 N
082 B000000 0
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 Y
085 B000000 N
SIGNATURE THOMAS M. REYNOLDS
TITLE CONTROLLER
[ARTICLE] 6
[CIK] 0000706453
[NAME] MANAGED ASSETS TRUST
<TABLE>
<S> <C>
[PERIOD-TYPE] YEAR
[FISCAL-YEAR-END] DEC-31-1997
[PERIOD-END] DEC-31-1997
[INVESTMENTS-AT-COST] 176,744,268
[INVESTMENTS-AT-VALUE] 223,400,621
[RECEIVABLES] 5,545,862
[ASSETS-OTHER] 0
[OTHER-ITEMS-ASSETS] 751
[TOTAL-ASSETS] 228,947,234
[PAYABLE-FOR-SECURITIES] 4,907,054
[SENIOR-LONG-TERM-DEBT] 0
[OTHER-ITEMS-LIABILITIES] 169,900
[TOTAL-LIABILITIES] 5,076,954
[SENIOR-EQUITY] 0
[PAID-IN-CAPITAL-COMMON] 160,370,796
[SHARES-COMMON-STOCK] 12,682,454
[SHARES-COMMON-PRIOR] 11,662,350
[ACCUMULATED-NII-CURRENT] 5,245,737
[OVERDISTRIBUTION-NII] 0
[ACCUMULATED-NET-GAINS] 11,694,344
[OVERDISTRIBUTION-GAINS] 0
[ACCUM-APPREC-OR-DEPREC] 46,559,403
[NET-ASSETS] 223,870,280
[DIVIDEND-INCOME] 2,263,576
[INTEREST-INCOME] 5,078,799
[OTHER-INCOME] 0
[EXPENSES-NET] 1,307,330
[NET-INVESTMENT-INCOME] 6,035,045
[REALIZED-GAINS-CURRENT] 12,928,663
[APPREC-INCREASE-CURRENT] 20,882,409
[NET-CHANGE-FROM-OPS] 39,846,117
[EQUALIZATION] 0
[DISTRIBUTIONS-OF-INCOME] 1,478,557
[DISTRIBUTIONS-OF-GAINS] 4,805,311
[DISTRIBUTIONS-OTHER] 0
[NUMBER-OF-SHARES-SOLD] 430,658
[NUMBER-OF-SHARES-REDEEMED] 707,705
[SHARES-REINVESTED] 364,705
[NET-CHANGE-IN-ASSETS] 35,259,799
[ACCUMULATED-NII-PRIOR] 689,249
[ACCUMULATED-GAINS-PRIOR] 3,570,992
[OVERDISTRIB-NII-PRIOR] 0
[OVERDIST-NET-GAINS-PRIOR] 0
[GROSS-ADVISORY-FEES] 1,156,594
[INTEREST-EXPENSE] 0
[GROSS-EXPENSE] 1,307,330
[AVERAGE-NET-ASSETS] 207,235,204
[PER-SHARE-NAV-BEGIN] 14.98
[PER-SHARE-NII] 00.48
[PER-SHARE-GAIN-APPREC] 02.70
[PER-SHARE-DIVIDEND] 00.12
[PER-SHARE-DISTRIBUTIONS] 00.39
[RETURNS-OF-CAPITAL] 0
[PER-SHARE-NAV-END] 17.65
[EXPENSE-RATIO] 00.63
[AVG-DEBT-OUTSTANDING] 0
[AVG-DEBT-PER-SHARE] 0
</TABLE>
