SMITH BARNEY SHEARSON INVESTMENT FUNDS INC
NSAR-B, 1999-03-17
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<PAGE>      PAGE  1
000 B000000 12/31/1998
000 C000000 355747
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 SMITH BARNEY INVESTMENTS FUNDS INC.
001 B000000 811-3275
001 C000000 2128166556
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 Y
007 B000000  5
007 C010100  1
007 C020100 INVESTMENT GRADE BOND FUND
007 C030100 N
007 C010200  2
007 C020200 GOVERNMENT SECURITIES PORTFOLIO
007 C030200 N
007 C010300  3
007 C020300 CONCERT PEACHTREE GROWTH FUND
007 C030300 N
007 C010400  4
007 C020400 SMITH BARNEY CONTRARIAN FUND
007 C030400 N
007 C010500  5
007 C020500 SPECIAL EQUITIES PORTFOLIO
007 C030500 N
007 C010600  6
007 C010700  7
007 C010800  8
007 C010900  9
007 C011000 10
008 A00AA01 MUTUAL MANAGEMENT CORP.
008 B00AA01 A
008 C00AA01 801-14437
008 D01AA01 NEW YORK
008 D02AA01 NY
008 D03AA01 10013
010 A00AA01 MUTUAL MANAGEMENT CORP.
010 B00AA01 801-14437
010 C01AA01 NEW YORK
<PAGE>      PAGE  2
010 C02AA01 NY
010 C03AA01 10013
011 A00AA01 SMITH BARNEY INC.
011 B00AA01 8-81777
011 C01AA01 NEW YORK
011 C02AA01 NY
011 C03AA01 10013
012 A00AA01 FIRST DATA INVESTOR SERVICES GROUP, INC.
012 B00AA01 84-0000000
012 C01AA01 BOSTON
012 C02AA01 MA
012 C03AA01 02205
013 A00AA01 KPMG PEAT MARWICK LLP
013 B01AA01 NEW YORK
013 B02AA01 NY
013 B03AA01 10017
015 A00AA01 PNC BANK
015 B00AA01 C
015 C01AA01 PHILIDELPHIA
015 C02AA01 NY
015 C03AA01 19101
015 E01AA01 X
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019 C00AA00 BARNEY0000
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020 A000002 LEHMAN BROTHERS
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020 C000002    344
020 A000003 FURMAN SELZ
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020 A000004 MERRILL LYNCH
020 B000004 13-5674085
020 C000004    213
020 A000005 PRUDENTIAL
020 B000005 22-2347336
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020 A000006 DONALDSON
020 B000006 13-2741729
020 C000006    174
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<PAGE>      PAGE  3
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022 A000008 DONALDSON, LUFKIN & JENRETTE
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<PAGE>      PAGE  4
077 B000000 Y
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080 A00AA00 ICI MUTUAL INSURANCE COMPANY
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<PAGE>      PAGE  5
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<PAGE>      PAGE  6
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<PAGE>      PAGE  7
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<PAGE>      PAGE  8
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<PAGE>      PAGE  9
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<PAGE>      PAGE  10
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<PAGE>      PAGE  11
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<PAGE>      PAGE  13
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<PAGE>      PAGE  14
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<PAGE>      PAGE  15
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<PAGE>      PAGE  16
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<PAGE>      PAGE  17
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<PAGE>      PAGE  18
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050  000400 N
051  000400 N
052  000400 N
053 A000400 N
062 A000400 N
062 B000400   0.0
062 C000400   0.0
062 D000400   0.0
062 E000400   0.0
062 F000400   0.0
062 G000400   0.0
062 H000400   0.0
062 I000400   0.0
062 J000400   0.0
062 K000400   0.0
062 L000400   0.0
062 M000400   0.0
062 N000400   0.0
062 O000400   0.0
062 P000400   0.0
062 Q000400   0.0
062 R000400   0.0
063 A000400   0
063 B000400  0.0
066 A000400 Y
066 D000400 Y
067  000400 N
068 A000400 N
068 B000400 N
069  000400 N
070 A010400 Y
070 A020400 Y
070 B010400 Y
070 B020400 Y
070 C010400 Y
070 C020400 N
070 D010400 Y
070 D020400 N
070 E010400 N
070 E020400 N
070 F010400 N
070 F020400 N
070 G010400 Y
070 G020400 N
070 H010400 N
070 H020400 N
070 I010400 N
070 I020400 N
<PAGE>      PAGE  20
070 J010400 Y
070 J020400 N
070 K010400 Y
070 K020400 Y
070 L010400 Y
070 L020400 Y
070 M010400 Y
070 M020400 N
070 N010400 Y
070 N020400 Y
070 O010400 N
070 O020400 N
070 P010400 N
070 P020400 N
070 Q010400 N
070 Q020400 N
070 R010400 Y
070 R020400 N
071 A000400    548500
071 B000400    869370
071 C000400    710457
071 D000400   77
072 A000400 12
072 B000400     2999
072 C000400    10406
072 D000400        0
072 E000400        0
072 F000400     6552
072 G000400        0
072 H000400        0
072 I000400      837
072 J000400       43
072 K000400        0
072 L000400        0
072 M000400       59
072 N000400      180
072 O000400        0
072 P000400        0
072 Q000400        0
072 R000400       26
072 S000400        9
072 T000400     5402
072 U000400        0
072 V000400      249
072 W000400       16
072 X000400    13373
072 Y000400        0
072 Z000400       32
072AA000400    23711
072BB000400        0
072CC010400        0
<PAGE>      PAGE  21
072CC020400    40630
072DD010400        0
072DD020400        0
072EE000400    21580
073 A010400   0.0000
073 A020400   0.0000
073 B000400   0.4400
073 C000400   0.0000
074 A000400        1
074 B000400    24495
074 C000400        0
074 D000400        0
074 E000400        0
074 F000400   518675
074 G000400        0
074 H000400        0
074 I000400        0
074 J000400        0
074 K000400        0
074 L000400     2122
074 M000400    59216
074 N000400   604509
074 O000400     2779
074 P000400      523
074 Q000400        0
074 R010400        0
074 R020400        0
074 R030400        0
074 R040400    76578
074 S000400        0
074 T000400   524629
074 U010400     8478
074 U020400    30361
074 V010400     0.00
074 V020400    13.42
074 W000400   0.0000
074 X000400    39804
074 Y000400        0
075 A000400        0
075 B000400   769722
076  000400     0.00
028 A010500     40340
028 A020500         0
028 A030500         0
028 A040500     72926
028 B010500     62732
028 B020500         0
028 B030500         0
028 B040500     77859
028 C010500     81935
028 C020500         0
<PAGE>      PAGE  22
028 C030500         0
028 C040500    114350
028 D010500     94451
028 D020500         0
028 D030500         0
028 D040500     95149
028 E010500    102232
028 E020500         0
028 E030500         0
028 E040500    114707
028 F010500    118567
028 F020500         0
028 F030500         0
028 F040500    124160
028 G010500    500257
028 G020500         0
028 G030500         0
028 G040500    599151
028 H000500    478995
029  000500 Y
030 A000500     75
030 B000500  5.00
030 C000500  1.00
031 A000500      0
031 B000500      0
032  000500      0
033  000500     75
034  000500 Y
035  000500    941
036 A000500 Y
036 B000500      0
037  000500 N
038  000500      0
039  000500 Y
040  000500 Y
041  000500 Y
042 A000500   0
042 B000500   0
042 C000500   0
042 D000500   0
042 E000500   0
042 F000500   0
042 G000500   0
042 H000500   0
043  000500   2312
044  000500      0
045  000500 Y
046  000500 N
047  000500 Y
048  000500  0.550
048 A010500        0
<PAGE>      PAGE  23
048 A020500 0.000
048 B010500        0
048 B020500 0.000
048 C010500        0
048 C020500 0.000
048 D010500        0
048 D020500 0.000
048 E010500        0
048 E020500 0.000
048 F010500        0
048 F020500 0.000
048 G010500        0
048 G020500 0.000
048 H010500        0
048 H020500 0.000
048 I010500        0
048 I020500 0.000
048 J010500        0
048 J020500 0.000
048 K010500        0
048 K020500 0.000
049  000500 N
050  000500 N
051  000500 N
052  000500 N
053 A000500 N
062 A000500 N
062 B000500   0.0
062 C000500   0.0
062 D000500   0.0
062 E000500   0.0
062 F000500   0.0
062 G000500   0.0
062 H000500   0.0
062 I000500   0.0
062 J000500   0.0
062 K000500   0.0
062 L000500   0.0
062 M000500   0.0
062 N000500   0.0
062 O000500   0.0
062 P000500   0.0
062 Q000500   0.0
062 R000500   0.0
063 A000500   0
063 B000500  0.0
066 A000500 Y
066 C000500 Y
067  000500 N
068 A000500 N
068 B000500 N
<PAGE>      PAGE  24
069  000500 N
070 A010500 Y
070 A020500 Y
070 B010500 N
070 B020500 N
070 C010500 N
070 C020500 N
070 D010500 N
070 D020500 N
070 E010500 N
070 E020500 N
070 F010500 Y
070 F020500 Y
070 G010500 N
070 G020500 N
070 H010500 N
070 H020500 N
070 I010500 N
070 I020500 N
070 J010500 N
070 J020500 N
070 K010500 N
070 K020500 N
070 L010500 N
070 L020500 N
070 M010500 N
070 M020500 N
070 N010500 Y
070 N020500 Y
070 O010500 N
070 O020500 N
070 P010500 N
070 P020500 N
070 Q010500 N
070 Q020500 N
070 R010500 N
070 R020500 N
071 A000500    660410
071 B000500    929289
071 C000500    419666
071 D000500  157
072 A000500 12
072 B000500     2267
072 C000500      756
072 D000500        0
072 E000500        0
072 F000500     2510
072 G000500      913
072 H000500        0
072 I000500      425
072 J000500       48
<PAGE>      PAGE  25
072 K000500        0
072 L000500      208
072 M000500       35
072 N000500       72
072 O000500        0
072 P000500        0
072 Q000500        0
072 R000500       21
072 S000500       23
072 T000500     2312
072 U000500        0
072 V000500        0
072 W000500       61
072 X000500     6628
072 Y000500        0
072 Z000500    -3605
072AA000500    61208
072BB000500        0
072CC010500        0
072CC020500    18091
072DD010500        0
072DD020500        0
072EE000500        0
073 A010500   0.0000
073 A020500   0.0000
073 B000500   0.0000
073 C000500   0.0000
074 A000500       90
074 B000500    10299
074 C000500        0
074 D000500        0
074 E000500        0
074 F000500   309253
074 G000500        0
074 H000500        0
074 I000500        0
074 J000500     3256
074 K000500        0
074 L000500    12048
074 M000500        0
074 N000500   334946
074 O000500     1380
074 P000500      268
074 Q000500        0
074 R010500        0
074 R020500        0
074 R030500        0
074 R040500    22667
074 S000500        0
074 T000500   310631
074 U010500     5208
<PAGE>      PAGE  26
074 U020500     5292
074 V010500    29.29
074 V020500    28.00
074 W000500   0.0000
074 X000500    40789
074 Y000500        0
075 A000500        0
075 B000500   455801
076  000500     0.00
SIGNATURE   PAUL BROOK                                   
TITLE       CONTROLLER          
 


[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 1
   [NAME] INVESTMENT GRADE BOND FUND. CLASS A
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      563,558,154
[INVESTMENTS-AT-VALUE]                     613,366,886
[RECEIVABLES]                               14,405,188
[ASSETS-OTHER]                                     409
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             627,772,483
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      916,294
[TOTAL-LIABILITIES]                            916,294
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   578,372,489
[SHARES-COMMON-STOCK]                       19,282,444
[SHARES-COMMON-PRIOR]                       16,800,093
[ACCUMULATED-NII-CURRENT]                        2,060
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      1,322,972
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    49,808,732
[NET-ASSETS]                               626,856,189
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                           39,790,644
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               7,136,147
[NET-INVESTMENT-INCOME]                     32,654,497
[REALIZED-GAINS-CURRENT]                    15,949,183
[APPREC-INCREASE-CURRENT]                    3,219,301
[NET-CHANGE-FROM-OPS]                       45,384,379
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                   13,813,443
[DISTRIBUTIONS-OF-GAINS]                     6,847,780
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                      5,233,650
[NUMBER-OF-SHARES-REDEEMED]                  3,943,897
[SHARES-REINVESTED]                          1,192,598
[NET-CHANGE-IN-ASSETS]                               0
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        2,618,948
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              7,136,147
[AVERAGE-NET-ASSETS]                       239,052,292
[PER-SHARE-NAV-BEGIN]                            13.19
[PER-SHARE-NII]                                  00.77
[PER-SHARE-GAIN-APPREC]                          00.29
[PER-SHARE-DIVIDEND]                             00.76
[PER-SHARE-DISTRIBUTIONS]                        00.37
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              13.12
[EXPENSE-RATIO]                                  01.04
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 1
   [NAME] INVESTMENT GRADE BOND FUND. CLASS B
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      563,558,154
[INVESTMENTS-AT-VALUE]                     613,366,886
[RECEIVABLES]                               14,405,188
[ASSETS-OTHER]                                     409
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             627,772,483
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      916,294
[TOTAL-LIABILITIES]                            916,294
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   578,372,489
[SHARES-COMMON-STOCK]                       19,826,536
[SHARES-COMMON-PRIOR]                       18,898,019
[ACCUMULATED-NII-CURRENT]                        2,060
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      1,322,972
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    49,808,732
[NET-ASSETS]                               626,856,189
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                           39,790,644
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               7,136,147
[NET-INVESTMENT-INCOME]                     32,654,497
[REALIZED-GAINS-CURRENT]                    15,949,183
[APPREC-INCREASE-CURRENT]                    3,219,301
[NET-CHANGE-FROM-OPS]                       45,384,379
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                   13,742,821
[DISTRIBUTIONS-OF-GAINS]                     7,004,239
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                      4,929,844
[NUMBER-OF-SHARES-REDEEMED]                  1,063,022
[SHARES-REINVESTED]                          5,064,349
[NET-CHANGE-IN-ASSETS]                               0
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        2,618,948
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              7,136,147
[AVERAGE-NET-ASSETS]                       251,522,073
[PER-SHARE-NAV-BEGIN]                            13.19
[PER-SHARE-NII]                                  00.70
[PER-SHARE-GAIN-APPREC]                          00.29
[PER-SHARE-DIVIDEND]                             00.72
[PER-SHARE-DISTRIBUTIONS]                        00.37
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              13.09
[EXPENSE-RATIO]                                  01.53
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 1
   [NAME] INVESTMENT GRADE BOND FUND. CLASS L
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      563,558,154
[INVESTMENTS-AT-VALUE]                     613,366,886
[RECEIVABLES]                               14,405,188
[ASSETS-OTHER]                                     409
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             627,772,483
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      916,294
[TOTAL-LIABILITIES]                            916,294
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   578,372,489
[SHARES-COMMON-STOCK]                        1,429,050
[SHARES-COMMON-PRIOR]                          772,323
[ACCUMULATED-NII-CURRENT]                        2,060
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      1,322,972
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    49,808,732
[NET-ASSETS]                               626,856,189
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                           39,790,644
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               7,136,147
[NET-INVESTMENT-INCOME]                     32,654,497
[REALIZED-GAINS-CURRENT]                    15,949,183
[APPREC-INCREASE-CURRENT]                    3,219,301
[NET-CHANGE-FROM-OPS]                       45,384,379
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                      744,805
[DISTRIBUTIONS-OF-GAINS]                       499,475
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                      1,130,469
[NUMBER-OF-SHARES-REDEEMED]                    547,650
[SHARES-REINVESTED]                             73,908
[NET-CHANGE-IN-ASSETS]                               0
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        2,618,948
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              7,136,147
[AVERAGE-NET-ASSETS]                        13,066,395
[PER-SHARE-NAV-BEGIN]                            13.18
[PER-SHARE-NII]                                  00.70
[PER-SHARE-GAIN-APPREC]                          00.30
[PER-SHARE-DIVIDEND]                             00.74
[PER-SHARE-DISTRIBUTIONS]                        00.37
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              13.07
[EXPENSE-RATIO]                                  01.54
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 1
   [NAME] INVESTMENT GRADE BOND FUND. CLASS Y
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      563,558,154
[INVESTMENTS-AT-VALUE]                     613,366,886
[RECEIVABLES]                               14,405,188
[ASSETS-OTHER]                                     409
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             627,772,483
[PAYABLE-FOR-SECURITIES]                             0
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      916,294
[TOTAL-LIABILITIES]                            916,294
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   578,372,489
[SHARES-COMMON-STOCK]                        7,300,221
[SHARES-COMMON-PRIOR]                        5,255,919
[ACCUMULATED-NII-CURRENT]                        2,060
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      1,322,972
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    49,808,732
[NET-ASSETS]                               626,856,189
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                           39,790,644
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               7,136,147
[NET-INVESTMENT-INCOME]                     32,654,497
[REALIZED-GAINS-CURRENT]                    15,949,183
[APPREC-INCREASE-CURRENT]                    3,219,301
[NET-CHANGE-FROM-OPS]                       45,384,379
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                    5,238,873
[DISTRIBUTIONS-OF-GAINS]                     2,515,075
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                      2,044,302
[NUMBER-OF-SHARES-REDEEMED]                          0
[SHARES-REINVESTED]                                  0
[NET-CHANGE-IN-ASSETS]                               0
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        2,618,948
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              7,136,147
[AVERAGE-NET-ASSETS]                        84,413,566
[PER-SHARE-NAV-BEGIN]                            13.19
[PER-SHARE-NII]                                  00.82
[PER-SHARE-GAIN-APPREC]                          00.29
[PER-SHARE-DIVIDEND]                             00.82
[PER-SHARE-DISTRIBUTIONS]                        00.37
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              13.11
[EXPENSE-RATIO]                                  00.70
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 5
   [NAME] SPECIAL EQUITIES FUND. CLASS A
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      228,907,142
[INVESTMENTS-AT-VALUE]                     319,552,200
[RECEIVABLES]                               15,304,039
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                            89,873
[TOTAL-ASSETS]                             334,946,112
[PAYABLE-FOR-SECURITIES]                     1,379,938
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   22,934,693
[TOTAL-LIABILITIES]                         24,314,631
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   209,347,006
[SHARES-COMMON-STOCK]                        5,208,205
[SHARES-COMMON-PRIOR]                        6,670,017
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                           1,584
[ACCUMULATED-NET-GAINS]                     10,641,001
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    90,645,058
[NET-ASSETS]                               310,631,481
[DIVIDEND-INCOME]                              756,282
[INTEREST-INCOME]                            2,266,455
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               6,627,882
[NET-INVESTMENT-INCOME]                      3,605,145
[REALIZED-GAINS-CURRENT]                    61,207,747
[APPREC-INCREASE-CURRENT]                   18,090,774
[NET-CHANGE-FROM-OPS]                       39,511,828
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                     43,453,919
[NUMBER-OF-SHARES-REDEEMED]                 44,915,731
[SHARES-REINVESTED]                                  0
[NET-CHANGE-IN-ASSETS]                   (249,927,303)
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                         14,881
[OVERDIST-NET-GAINS-PRIOR]                  50,612,516
[GROSS-ADVISORY-FEES]                        2,510,436
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              6,627,882
[AVERAGE-NET-ASSETS]                        15,765,605
[PER-SHARE-NAV-BEGIN]                            26.52
[PER-SHARE-NII]                                  00.15
[PER-SHARE-GAIN-APPREC]                          02.92
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              29.29
[EXPENSE-RATIO]                                  01.24
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 5
   [NAME] SPECIAL EQUITIES FUND. CLASS B
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      228,907,142
[INVESTMENTS-AT-VALUE]                     319,552,200
[RECEIVABLES]                               15,304,039
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                            89,873
[TOTAL-ASSETS]                             334,946,112
[PAYABLE-FOR-SECURITIES]                     1,379,938
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   22,934,693
[TOTAL-LIABILITIES]                         24,314,631
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   209,347,006
[SHARES-COMMON-STOCK]                        5,291,647
[SHARES-COMMON-PRIOR]                        9,563,395
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                           1,584
[ACCUMULATED-NET-GAINS]                     10,641,001
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    90,645,058
[NET-ASSETS]                               310,631,481
[DIVIDEND-INCOME]                              756,282
[INTEREST-INCOME]                            2,266,455
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               6,627,882
[NET-INVESTMENT-INCOME]                      3,605,145
[REALIZED-GAINS-CURRENT]                    61,207,747
[APPREC-INCREASE-CURRENT]                   18,090,774
[NET-CHANGE-FROM-OPS]                       39,511,828
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        481,144
[NUMBER-OF-SHARES-REDEEMED]                  4,752,892
[SHARES-REINVESTED]                                  0
[NET-CHANGE-IN-ASSETS]                   (249,927,303)
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                         14,881
[OVERDIST-NET-GAINS-PRIOR]                  50,612,516
[GROSS-ADVISORY-FEES]                        2,510,436
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              6,627,882
[AVERAGE-NET-ASSETS]                       180,039,864
[PER-SHARE-NAV-BEGIN]                            25.54
[PER-SHARE-NII]                                  00.34
[PER-SHARE-GAIN-APPREC]                          02.80
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              28.00
[EXPENSE-RATIO]                                  01.99
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 5
   [NAME] SPECIAL EQUITIES FUND. CLASS L
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      228,907,142
[INVESTMENTS-AT-VALUE]                     319,552,200
[RECEIVABLES]                               15,304,039
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                            89,873
[TOTAL-ASSETS]                             334,946,112
[PAYABLE-FOR-SECURITIES]                     1,379,938
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   22,934,693
[TOTAL-LIABILITIES]                         24,314,631
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   209,347,006
[SHARES-COMMON-STOCK]                          354,967
[SHARES-COMMON-PRIOR]                          733,259
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                           1,584
[ACCUMULATED-NET-GAINS]                     10,641,001
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    90,645,058
[NET-ASSETS]                               310,631,481
[DIVIDEND-INCOME]                              756,282
[INTEREST-INCOME]                            2,266,455
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               6,627,882
[NET-INVESTMENT-INCOME]                      3,605,145
[REALIZED-GAINS-CURRENT]                    61,207,747
[APPREC-INCREASE-CURRENT]                   18,090,774
[NET-CHANGE-FROM-OPS]                       39,511,828
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                         69,754
[NUMBER-OF-SHARES-REDEEMED]                    448,046
[SHARES-REINVESTED]                                  0
[NET-CHANGE-IN-ASSETS]                    (249,927,303)
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                         14,881
[OVERDIST-NET-GAINS-PRIOR]                  50,612,516
[GROSS-ADVISORY-FEES]                        2,510,436
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              6,627,882
[AVERAGE-NET-ASSETS]                        12,882,101
[PER-SHARE-NAV-BEGIN]                            25.54
[PER-SHARE-NII]                                  00.34
[PER-SHARE-GAIN-APPREC]                          02.80
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              28.00
[EXPENSE-RATIO]                                  01.99
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 5
   [NAME] SPECIAL EQUITIES FUND. CLASS Y
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      228,907,142
[INVESTMENTS-AT-VALUE]                     319,552,200
[RECEIVABLES]                               15,304,039
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                            89,873
[TOTAL-ASSETS]                             334,946,112
[PAYABLE-FOR-SECURITIES]                     1,379,938
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   22,934,693
[TOTAL-LIABILITIES]                         24,314,631
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   209,347,006
[SHARES-COMMON-STOCK]                         	     0
[SHARES-COMMON-PRIOR]                        3,979,659
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                           1,584
[ACCUMULATED-NET-GAINS]                     10,641,001
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    90,645,058
[NET-ASSETS]                               310,631,481
[DIVIDEND-INCOME]                              756,282
[INTEREST-INCOME]                            2,266,455
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               6,627,882
[NET-INVESTMENT-INCOME]                      3,605,145
[REALIZED-GAINS-CURRENT]                    61,207,747
[APPREC-INCREASE-CURRENT]                   18,090,774
[NET-CHANGE-FROM-OPS]                       39,511,828
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                      1,159,135
[NUMBER-OF-SHARES-REDEEMED]                  5,138,794
[SHARES-REINVESTED]                                  0
[NET-CHANGE-IN-ASSETS]                    (249,927,303)
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                         14,881
[OVERDIST-NET-GAINS-PRIOR]                  50,612,516
[GROSS-ADVISORY-FEES]                        2,510,436
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              6,627,882
[AVERAGE-NET-ASSETS]                        99,329,047
[PER-SHARE-NAV-BEGIN]                                0
[PER-SHARE-NII]                                      0
[PER-SHARE-GAIN-APPREC]                              0
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                                  0
[EXPENSE-RATIO]                                      0
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 5
   [NAME] SPECIAL EQUITIES FUND. CLASS Z
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      228,907,142
[INVESTMENTS-AT-VALUE]                     319,552,200
[RECEIVABLES]                               15,304,039
[ASSETS-OTHER]                                       0
[OTHER-ITEMS-ASSETS]                            89,873
[TOTAL-ASSETS]                             334,946,112
[PAYABLE-FOR-SECURITIES]                     1,379,938
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   22,934,693
[TOTAL-LIABILITIES]                         24,314,631
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   209,347,006
[SHARES-COMMON-STOCK]                         	     0
[SHARES-COMMON-PRIOR]                          535,942
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                           1,584
[ACCUMULATED-NET-GAINS]                     10,641,001
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    90,645,058
[NET-ASSETS]                               310,631,481
[DIVIDEND-INCOME]                              756,282
[INTEREST-INCOME]                            2,266,455
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               6,627,882
[NET-INVESTMENT-INCOME]                      3,605,145
[REALIZED-GAINS-CURRENT]                    61,207,747
[APPREC-INCREASE-CURRENT]                   18,090,774
[NET-CHANGE-FROM-OPS]                       39,511,828
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                         76,384
[NUMBER-OF-SHARES-REDEEMED]                    612,326
[SHARES-REINVESTED]                                  0
[NET-CHANGE-IN-ASSETS]                    (249,927,303)
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                         14,881
[OVERDIST-NET-GAINS-PRIOR]                  50,612,516
[GROSS-ADVISORY-FEES]                        2,510,436
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              6,627,882
[AVERAGE-NET-ASSETS]                        11,784,082
[PER-SHARE-NAV-BEGIN]                                0
[PER-SHARE-NII]                                      0
[PER-SHARE-GAIN-APPREC]                              0
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                                  0
[EXPENSE-RATIO]                                      0
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 2
   [NAME] GOVERNMENT SECURITIES PORTFOLIO. CLASS A
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      627,085,764
[INVESTMENTS-AT-VALUE]                     630,061,836
[RECEIVABLES]                                5,915,474
[ASSETS-OTHER]                                     513
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             635,977,823
[PAYABLE-FOR-SECURITIES]                       142,707
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      467,095
[TOTAL-LIABILITIES]                            609,802
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   665,245,322
[SHARES-COMMON-STOCK]                       34,863,415
[SHARES-COMMON-PRIOR]                       35,708,666
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                           2,303
[ACCUMULATED-NET-GAINS]                     32,914,781
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                     2,976,072
[NET-ASSETS]                               635,368,021
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                                    0
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               5,508,101
[NET-INVESTMENT-INCOME]                     30,951,647
[REALIZED-GAINS-CURRENT]                    22,883,384
[APPREC-INCREASE-CURRENT]                    6,814,093
[NET-CHANGE-FROM-OPS]                       46,993,938
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                       19,680
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                      5,977,934
[NUMBER-OF-SHARES-REDEEMED]                  9,463,412
[SHARES-REINVESTED]                          1,327,067
[NET-CHANGE-IN-ASSETS]                      46,993,938
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                         15,649
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        2,107,128
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              5,508,101
[AVERAGE-NET-ASSETS]                       353,538,309
[PER-SHARE-NAV-BEGIN]                             9.75
[PER-SHARE-NII]                                   0.51
[PER-SHARE-GAIN-APPREC]                           0.26
[PER-SHARE-DIVIDEND]                              0.55
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                               9.97
[EXPENSE-RATIO]                                   0.92
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>


[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 2
   [NAME] GOVERNMENT SECURITIES PORTFOLIO. CLASS B
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      627,085,764
[INVESTMENTS-AT-VALUE]                     630,061,836
[RECEIVABLES]                                5,915,474
[ASSETS-OTHER]                                     513
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             635,977,823
[PAYABLE-FOR-SECURITIES]                       142,707
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      467,095
[TOTAL-LIABILITIES]                            609,802
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   665,245,322
[SHARES-COMMON-STOCK]                        9,231,706
[SHARES-COMMON-PRIOR]                        9,014,778
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                           2,303
[ACCUMULATED-NET-GAINS]                     32,914,781
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                     2,976,072
[NET-ASSETS]                               635,368,021
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                                    0
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               5,508,101
[NET-INVESTMENT-INCOME]                     30,951,647
[REALIZED-GAINS-CURRENT]                    22,883,384
[APPREC-INCREASE-CURRENT]                    6,814,093
[NET-CHANGE-FROM-OPS]                       46,993,938
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                        4,909
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                      2,353,261
[NUMBER-OF-SHARES-REDEEMED]                  3,804,979
[SHARES-REINVESTED]                            334,301
[NET-CHANGE-IN-ASSETS]                      46,993,938
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                         15,649
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        2,107,128
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              5,508,101
[AVERAGE-NET-ASSETS]                        91,999,908
[PER-SHARE-NAV-BEGIN]                             9.79
[PER-SHARE-NII]                                   0.46
[PER-SHARE-GAIN-APPREC]                           0.25
[PER-SHARE-DIVIDEND]                              0.71
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                               9.97
[EXPENSE-RATIO]                                   1.43
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>


[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 2
   [NAME] GOVERNMENT SECURITIES PORTFOLIO. CLASS L
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      627,085,764
[INVESTMENTS-AT-VALUE]                     630,061,836
[RECEIVABLES]                                5,915,474
[ASSETS-OTHER]                                     513
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             635,977,823
[PAYABLE-FOR-SECURITIES]                       142,707
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      467,095
[TOTAL-LIABILITIES]                            609,802
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   665,245,322
[SHARES-COMMON-STOCK]                          422,458
[SHARES-COMMON-PRIOR]                          257,566
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                           2,303
[ACCUMULATED-NET-GAINS]                     32,914,781
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                     2,976,072
[NET-ASSETS]                               635,368,021
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                                    0
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               5,508,101
[NET-INVESTMENT-INCOME]                     30,951,647
[REALIZED-GAINS-CURRENT]                    22,883,384
[APPREC-INCREASE-CURRENT]                    6,814,093
[NET-CHANGE-FROM-OPS]                       46,993,938
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                          151
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        337,917
[NUMBER-OF-SHARES-REDEEMED]                    141,467
[SHARES-REINVESTED]                              9,720
[NET-CHANGE-IN-ASSETS]                      46,993,938
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                         15,649
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        2,107,128
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              5,508,101
[AVERAGE-NET-ASSETS]                         2,814,854
[PER-SHARE-NAV-BEGIN]                             9.78
[PER-SHARE-NII]                                   0.45
[PER-SHARE-GAIN-APPREC]                           0.27
[PER-SHARE-DIVIDEND]                              0.53
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                               9.97
[EXPENSE-RATIO]                                   1.40
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>


[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 2
   [NAME] GOVERNMENT SECURITIES PORTFOLIO. CLASS Y
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      627,085,764
[INVESTMENTS-AT-VALUE]                     630,061,836
[RECEIVABLES]                                5,915,474
[ASSETS-OTHER]                                     513
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             635,977,823
[PAYABLE-FOR-SECURITIES]                       142,707
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                      467,095
[TOTAL-LIABILITIES]                            609,802
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   665,245,322
[SHARES-COMMON-STOCK]                       19,173,820
[SHARES-COMMON-PRIOR]                       16,365,654
[ACCUMULATED-NII-CURRENT]                            0
[OVERDISTRIBUTION-NII]                           2,303
[ACCUMULATED-NET-GAINS]                     32,914,781
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                     2,976,072
[NET-ASSETS]                               635,368,021
[DIVIDEND-INCOME]                                    0
[INTEREST-INCOME]                                    0
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               5,508,101
[NET-INVESTMENT-INCOME]                     30,951,647
[REALIZED-GAINS-CURRENT]                    22,883,384
[APPREC-INCREASE-CURRENT]                    6,814,093
[NET-CHANGE-FROM-OPS]                       46,993,938
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                        9,138
[DISTRIBUTIONS-OF-GAINS]                             0
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                      7,915,587
[NUMBER-OF-SHARES-REDEEMED]                          0
[SHARES-REINVESTED]                                  0
[NET-CHANGE-IN-ASSETS]                      46,993,938
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                         15,649
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        2,107,128
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              5,508,101
[AVERAGE-NET-ASSETS]                       153,850,586
[PER-SHARE-NAV-BEGIN]                             9.76
[PER-SHARE-NII]                                   0.54
[PER-SHARE-GAIN-APPREC]                           0.26
[PER-SHARE-DIVIDEND]                              0.59
[PER-SHARE-DISTRIBUTIONS]                            0
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                               9.97
[EXPENSE-RATIO]                                   0.59
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>


[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 4
   [NAME] CONTRARIAN PORTFOLIO.  CLASS A
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      472,712,294
[INVESTMENTS-AT-VALUE]                     543,170,332
[RECEIVABLES]                                2,121,966
[ASSETS-OTHER]                              59,216,806
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             604,509,104
[PAYABLE-FOR-SECURITIES]                     2,778,825
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   77,100,992
[TOTAL-LIABILITIES]                         79,879,817
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   439,238,533
[SHARES-COMMON-STOCK]                        8,477,978
[SHARES-COMMON-PRIOR]                       16,544,137
[ACCUMULATED-NII-CURRENT]                      105,339
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                     14,827,377
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    70,458,038
[NET-ASSETS]                               524,629,287
[DIVIDEND-INCOME]                           10,406,506
[INTEREST-INCOME]                            2,998,753
[OTHER-INCOME]                                       0
[EXPENSES-NET]                              13,373,710
[NET-INVESTMENT-INCOME]                         31,549
[REALIZED-GAINS-CURRENT]                    23,711,092
[APPREC-INCREASE-CURRENT]                   40,630,163
[NET-CHANGE-FROM-OPS]                     (16,887,522)
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                     4,722,458
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        841,540
[NUMBER-OF-SHARES-REDEEMED]                  9,232,541
[SHARES-REINVESTED]                            324,842
[NET-CHANGE-IN-ASSETS]                   (436,002,536)
[ACCUMULATED-NII-PRIOR]                         33,246
[ACCUMULATED-GAINS-PRIOR]                   12,803,757
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        6,552,382
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                             13,373,710
[AVERAGE-NET-ASSETS]                       177,781,152
[PER-SHARE-NAV-BEGIN]                            14.21
[PER-SHARE-NII]                                  00.06
[PER-SHARE-GAIN-APPREC]                          00.21
[PER-SHARE-DIVIDEND]                             00.00
[PER-SHARE-DISTRIBUTIONS]                        00.44
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              13.62
[EXPENSE-RATIO]                                  01.29
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 4
   [NAME] CONTRARIAN PORTFOLIO.  CLASS B
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      472,712,294
[INVESTMENTS-AT-VALUE]                     543,170,332
[RECEIVABLES]                                2,121,966
[ASSETS-OTHER]                              59,216,806
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             604,509,104
[PAYABLE-FOR-SECURITIES]                     2,778,825
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   77,100,992
[TOTAL-LIABILITIES]                         79,879,817
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   439,238,533
[SHARES-COMMON-STOCK]                       21,693,149
[SHARES-COMMON-PRIOR]                        5,440,538
[ACCUMULATED-NII-CURRENT]                      105,339
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                     14,827,377
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    70,458,038
[NET-ASSETS]                               524,629,287
[DIVIDEND-INCOME]                           10,406,506
[INTEREST-INCOME]                            2,998,753
[OTHER-INCOME]                                       0
[EXPENSES-NET]                              13,373,710
[NET-INVESTMENT-INCOME]                         31,549
[REALIZED-GAINS-CURRENT]                    23,711,092
[APPREC-INCREASE-CURRENT]                   40,630,163
[NET-CHANGE-FROM-OPS]                     (16,887,522)
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                    12,263,015
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        859,389
[NUMBER-OF-SHARES-REDEEMED]                 18,802,208
[SHARES-REINVESTED]                            846,593
[NET-CHANGE-IN-ASSETS]                   (436,002,536)
[ACCUMULATED-NII-PRIOR]                         33,246
[ACCUMULATED-GAINS-PRIOR]                   12,803,757
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        6,552,382
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                             13,373,710
[AVERAGE-NET-ASSETS]                       438,018,343
[PER-SHARE-NAV-BEGIN]                            14.11
[PER-SHARE-NII]                                  00.05
[PER-SHARE-GAIN-APPREC]                          00.20
[PER-SHARE-DIVIDEND]                             00.00
[PER-SHARE-DISTRIBUTIONS]                        00.44
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              13.42
[EXPENSE-RATIO]                                  02.06
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 4
   [NAME] CONTRARIAN PORTFOLIO.  CLASS L
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      472,712,294
[INVESTMENTS-AT-VALUE]                     543,170,332
[RECEIVABLES]                                2,121,966
[ASSETS-OTHER]                              59,216,806
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             604,509,104
[PAYABLE-FOR-SECURITIES]                     2,778,825
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   77,100,992
[TOTAL-LIABILITIES]                         79,879,817
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   439,238,533
[SHARES-COMMON-STOCK]                        2,476,781
[SHARES-COMMON-PRIOR]                        5,440,538
[ACCUMULATED-NII-CURRENT]                      105,339
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                     14,827,377
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    70,458,038
[NET-ASSETS]                               524,629,287
[DIVIDEND-INCOME]                           10,406,506
[INTEREST-INCOME]                            2,998,753
[OTHER-INCOME]                                       0
[EXPENSES-NET]                              13,373,710
[NET-INVESTMENT-INCOME]                         31,549
[REALIZED-GAINS-CURRENT]                    23,711,092
[APPREC-INCREASE-CURRENT]                   40,630,163
[NET-CHANGE-FROM-OPS]                      (16,887,522)
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                     1,520,259
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        218,764
[NUMBER-OF-SHARES-REDEEMED]                  3,289,378
[SHARES-REINVESTED]                            106,857
[NET-CHANGE-IN-ASSETS]                    (436,002,536)
[ACCUMULATED-NII-PRIOR]                         33,246
[ACCUMULATED-GAINS-PRIOR]                   12,803,757
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        6,552,382
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                             13,373,710
[AVERAGE-NET-ASSETS]                        56,838,426
[PER-SHARE-NAV-BEGIN]                            14.12
[PER-SHARE-NII]                                  00.05
[PER-SHARE-GAIN-APPREC]                          00.21
[PER-SHARE-DIVIDEND]                             00.00
[PER-SHARE-DISTRIBUTIONS]                        00.44
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              13.42
[EXPENSE-RATIO]                                  02.04
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 4
   [NAME] CONTRARIAN PORTFOLIO.  CLASS Y
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      472,712,294
[INVESTMENTS-AT-VALUE]                     543,170,332
[RECEIVABLES]                                2,121,966
[ASSETS-OTHER]                              59,216,806
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             604,509,104
[PAYABLE-FOR-SECURITIES]                     2,778,825
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   77,100,992
[TOTAL-LIABILITIES]                         79,879,817
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   439,238,533
[SHARES-COMMON-STOCK]                        6,192,821
[SHARES-COMMON-PRIOR]                        5,028,358
[ACCUMULATED-NII-CURRENT]                      105,339
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                     14,827,377
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    70,458,038
[NET-ASSETS]                               524,629,287
[DIVIDEND-INCOME]                           10,406,506
[INTEREST-INCOME]                            2,998,753
[OTHER-INCOME]                                       0
[EXPENSES-NET]                              13,373,710
[NET-INVESTMENT-INCOME]                         31,549
[REALIZED-GAINS-CURRENT]                    23,711,092
[APPREC-INCREASE-CURRENT]                   40,630,163
[NET-CHANGE-FROM-OPS]                      (16,887,522)
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                     2,407,861
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                      1,790,595
[NUMBER-OF-SHARES-REDEEMED]                    626,132
[SHARES-REINVESTED]                                  0
[NET-CHANGE-IN-ASSETS]                    (436,002,536)
[ACCUMULATED-NII-PRIOR]                         33,246
[ACCUMULATED-GAINS-PRIOR]                   12,803,757
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        6,552,382
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                             13,373,710
[AVERAGE-NET-ASSETS]                        72,597,922
[PER-SHARE-NAV-BEGIN]                            14.24
[PER-SHARE-NII]                                  00.13
[PER-SHARE-GAIN-APPREC]                          00.23
[PER-SHARE-DIVIDEND]                             00.00
[PER-SHARE-DISTRIBUTIONS]                        00.44
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              13.70
[EXPENSE-RATIO]                                  00.90
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 4
   [NAME] CONTRARIAN PORTFOLIO.  CLASS Z
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      472,712,294
[INVESTMENTS-AT-VALUE]                     543,170,332
[RECEIVABLES]                                2,121,966
[ASSETS-OTHER]                              59,216,806
[OTHER-ITEMS-ASSETS]                                 0
[TOTAL-ASSETS]                             604,509,104
[PAYABLE-FOR-SECURITIES]                     2,778,825
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   77,100,992
[TOTAL-LIABILITIES]                         79,879,817
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   439,238,533
[SHARES-COMMON-STOCK]                                0
[SHARES-COMMON-PRIOR]                        2,076,500
[ACCUMULATED-NII-CURRENT]                      105,339
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                     14,827,377
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    70,458,038
[NET-ASSETS]                               524,629,287
[DIVIDEND-INCOME]                           10,406,506
[INTEREST-INCOME]                            2,998,753
[OTHER-INCOME]                                       0
[EXPENSES-NET]                              13,373,710
[NET-INVESTMENT-INCOME]                         31,549
[REALIZED-GAINS-CURRENT]                    23,711,092
[APPREC-INCREASE-CURRENT]                   40,630,163
[NET-CHANGE-FROM-OPS]                      (16,887,522)
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                       666,843
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        265,807
[NUMBER-OF-SHARES-REDEEMED]                  2,389,658
[SHARES-REINVESTED]                             47,351
[NET-CHANGE-IN-ASSETS]                    (436,002,536)
[ACCUMULATED-NII-PRIOR]                         33,246
[ACCUMULATED-GAINS-PRIOR]                   12,803,757
[OVERDISTRIB-NII-PRIOR]                              0
[OVERDIST-NET-GAINS-PRIOR]                           0
[GROSS-ADVISORY-FEES]                        6,552,382
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                             13,373,710
[AVERAGE-NET-ASSETS]                                 0
[PER-SHARE-NAV-BEGIN]                            00.00
[PER-SHARE-NII]                                  00.00
[PER-SHARE-GAIN-APPREC]                          00.00
[PER-SHARE-DIVIDEND]                             00.00
[PER-SHARE-DISTRIBUTIONS]                        00.00
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              00.00
[EXPENSE-RATIO]                                  00.00
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 3
   [NAME] CONCERT PEACHTREE GROWTH FUND.  CLASS A
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      252,665,393
[INVESTMENTS-AT-VALUE]                     333,691,647
[RECEIVABLES]                                  654,211
[ASSETS-OTHER]                                     177
[OTHER-ITEMS-ASSETS]                        43,530,216
[TOTAL-ASSETS]                             377,876,251
[PAYABLE-FOR-SECURITIES]                       474,680
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   43,859,236
[TOTAL-LIABILITIES]                         44,333,916
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   249,475,362
[SHARES-COMMON-STOCK]                        4,895,280
[SHARES-COMMON-PRIOR]                        5,023,886
[ACCUMULATED-NII-CURRENT]                          920
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      3,021,639
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    81,026,254
[NET-ASSETS]                               333,542,335
[DIVIDEND-INCOME]                            2,253,239
[INTEREST-INCOME]                              221,377
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               3,635,206
[NET-INVESTMENT-INCOME]                      1,160,590
[REALIZED-GAINS-CURRENT]                     7,698,625
[APPREC-INCREASE-CURRENT]                  75,2385,882
[NET-CHANGE-FROM-OPS]                       81,823,917
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                       630,070
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                      1,041,557
[NUMBER-OF-SHARES-REDEEMED]                     38,891
[SHARES-REINVESTED]                          1,209,054
[NET-CHANGE-IN-ASSETS]                     108,474,823
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                           4734
[OVERDIST-NET-GAINS-PRIOR]                   1,078,563
[GROSS-ADVISORY-FEES]                        2,644,062
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              3,635,206
[AVERAGE-NET-ASSETS]                        71,953,043
[PER-SHARE-NAV-BEGIN]                            13.41
[PER-SHARE-NII]                                  00.07
[PER-SHARE-GAIN-APPREC]                          04.50
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                        00.13
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              17.71
[EXPENSE-RATIO]                                  01.40
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 3
   [NAME] CONCERT PEACHTREE GROWTH FUND.  CLASS B
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      252,665,393
[INVESTMENTS-AT-VALUE]                     333,691,647
[RECEIVABLES]                                  654,211
[ASSETS-OTHER]                                     177
[OTHER-ITEMS-ASSETS]                        43,530,216
[TOTAL-ASSETS]                             377,876,251
[PAYABLE-FOR-SECURITIES]                       474,680
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   43,859,236
[TOTAL-LIABILITIES]                         44,333,916
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   249,475,362
[SHARES-COMMON-STOCK]                        3,404,171
[SHARES-COMMON-PRIOR]                        3,185,557
[ACCUMULATED-NII-CURRENT]                          920
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      3,021,639
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    81,026,254
[NET-ASSETS]                               333,542,335
[DIVIDEND-INCOME]                            2,253,239
[INTEREST-INCOME]                              221,377
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               3,635,206
[NET-INVESTMENT-INCOME]                      1,160,590
[REALIZED-GAINS-CURRENT]                     7,698,625
[APPREC-INCREASE-CURRENT]                  75,2385,882
[NET-CHANGE-FROM-OPS]                       81,823,917
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                       436,789
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                        840,003
[NUMBER-OF-SHARES-REDEEMED]                     27,496
[SHARES-REINVESTED]                            648,885
[NET-CHANGE-IN-ASSETS]                     108,474,823
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                           4734
[OVERDIST-NET-GAINS-PRIOR]                   1,078,563
[GROSS-ADVISORY-FEES]                        2,644,062
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              3,635,206
[AVERAGE-NET-ASSETS]                        47,019,017
[PER-SHARE-NAV-BEGIN]                            13.24
[PER-SHARE-NII]                                  00.19
[PER-SHARE-GAIN-APPREC]                          04.43
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                        00.13
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              17.35
[EXPENSE-RATIO]                                  02.21
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 3
   [NAME] CONCERT PEACHTREE GROWTH FUND.  CLASS L
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      252,665,393
[INVESTMENTS-AT-VALUE]                     333,691,647
[RECEIVABLES]                                  654,211
[ASSETS-OTHER]                                     177
[OTHER-ITEMS-ASSETS]                        43,530,216
[TOTAL-ASSETS]                             377,876,251
[PAYABLE-FOR-SECURITIES]                       474,680
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   43,859,236
[TOTAL-LIABILITIES]                         44,333,916
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   249,475,362
[SHARES-COMMON-STOCK]                           12,759
[SHARES-COMMON-PRIOR]                           15,315
[ACCUMULATED-NII-CURRENT]                          920
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      3,021,639
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    81,026,254
[NET-ASSETS]                               333,542,335
[DIVIDEND-INCOME]                            2,253,239
[INTEREST-INCOME]                              221,377
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               3,635,206
[NET-INVESTMENT-INCOME]                      1,160,590
[REALIZED-GAINS-CURRENT]                     7,698,625
[APPREC-INCREASE-CURRENT]                  75,2385,882
[NET-CHANGE-FROM-OPS]                       81,823,917
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                         1,605
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                          3,297
[NUMBER-OF-SHARES-REDEEMED]                        101
[SHARES-REINVESTED]                              5,954
[NET-CHANGE-IN-ASSETS]                     108,474,823
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                           4734
[OVERDIST-NET-GAINS-PRIOR]                   1,078,563
[GROSS-ADVISORY-FEES]                        2,644,062
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              3,635,206
[AVERAGE-NET-ASSETS]                           188,371
[PER-SHARE-NAV-BEGIN]                            13.28
[PER-SHARE-NII]                                  00.18
[PER-SHARE-GAIN-APPREC]                          04.44
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                        00.13
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              17.41
[EXPENSE-RATIO]                                  02.16
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>

[ARTICLE] 6
[CIK] 0000355747
[NAME] SMITH BARNEY INVESTMENT FUNDS, INC.
[SERIES]
   [NUMBER] 3
   [NAME] CONCERT PEACHTREE GROWTH FUND.  CLASS Y
<TABLE>
<S>                             <C>
[PERIOD-TYPE]                   YEAR
[FISCAL-YEAR-END]                          DEC-31-1998
[PERIOD-END]                               DEC-31-1998
[INVESTMENTS-AT-COST]                      252,665,393
[INVESTMENTS-AT-VALUE]                     333,691,647
[RECEIVABLES]                                  654,211
[ASSETS-OTHER]                                     177
[OTHER-ITEMS-ASSETS]                        43,530,216
[TOTAL-ASSETS]                             377,876,251
[PAYABLE-FOR-SECURITIES]                       474,680
[SENIOR-LONG-TERM-DEBT]                              0
[OTHER-ITEMS-LIABILITIES]                   43,859,236
[TOTAL-LIABILITIES]                         44,333,916
[SENIOR-EQUITY]                                      0
[PAID-IN-CAPITAL-COMMON]                   249,475,362
[SHARES-COMMON-STOCK]                       10,541,684
[SHARES-COMMON-PRIOR]                        8,597,965
[ACCUMULATED-NII-CURRENT]                          920
[OVERDISTRIBUTION-NII]                               0
[ACCUMULATED-NET-GAINS]                      3,021,639
[OVERDISTRIBUTION-GAINS]                             0
[ACCUM-APPREC-OR-DEPREC]                    81,026,254
[NET-ASSETS]                               333,542,335
[DIVIDEND-INCOME]                            2,253,239
[INTEREST-INCOME]                              221,377
[OTHER-INCOME]                                       0
[EXPENSES-NET]                               3,635,206
[NET-INVESTMENT-INCOME]                      1,160,590
[REALIZED-GAINS-CURRENT]                     7,698,625
[APPREC-INCREASE-CURRENT]                  75,2385,882
[NET-CHANGE-FROM-OPS]                       81,823,917
[EQUALIZATION]                                       0
[DISTRIBUTIONS-OF-INCOME]                            0
[DISTRIBUTIONS-OF-GAINS]                     1,365,555
[DISTRIBUTIONS-OTHER]                                0
[NUMBER-OF-SHARES-SOLD]                      1,943,719
[NUMBER-OF-SHARES-REDEEMED]                        101
[SHARES-REINVESTED]                              5,954
[NET-CHANGE-IN-ASSETS]                     108,474,823
[ACCUMULATED-NII-PRIOR]                              0
[ACCUMULATED-GAINS-PRIOR]                            0
[OVERDISTRIB-NII-PRIOR]                           4734
[OVERDIST-NET-GAINS-PRIOR]                   1,078,563
[GROSS-ADVISORY-FEES]                        2,644,062
[INTEREST-EXPENSE]                                   0
[GROSS-EXPENSE]                              3,635,206
[AVERAGE-NET-ASSETS]                       148,178,961
[PER-SHARE-NAV-BEGIN]                            13.42
[PER-SHARE-NII]                                  00.02
[PER-SHARE-GAIN-APPREC]                          04.52
[PER-SHARE-DIVIDEND]                                 0
[PER-SHARE-DISTRIBUTIONS]                        00.13
[RETURNS-OF-CAPITAL]                                 0
[PER-SHARE-NAV-END]                              17.79
[EXPENSE-RATIO]                                  01.07
[AVG-DEBT-OUTSTANDING]                               0
[AVG-DEBT-PER-SHARE]                                 0
</TABLE>


To the Shareholders and Board of Directors of
Smith Barney Investment Funds Inc.:

In planning and performing our audit of the financial statements
of the Smith Barney Investment Funds Inc., consisting of the
Smith Barney Investment Grade Bond Fund, Smith Barney Special
Equities Fund, Smith Barney Contrarian Fund, Concert Peachtree
Growth Fund, and Smith Barney Government Securities Fund (the
"Funds") for the year ended December 31, 1998, we considered its
internal control, including control activities for safeguarding
securities, in order to determine our auditing procedures for the
purpose of expressing our opinion on the financial statements and
to comply with the requirements of Form N-SAR, not to provide
assurance on the internal control.

The management of the Funds is responsible for establishing and
maintaining internal control.  In fulfilling this responsibility,
estimates and judgments by management are required to assess the
expected benefits and related costs of controls.  Generally,
controls that are relevant to an audit pertain to the entity's
objective of preparing financial statements for external purposes
that are fairly presented in conformity with generally accepted
accounting principles. Those controls include the safeguarding of
assets against unauthorized acquisition, use, or disposition.

Because of inherent limitations in internal control, errors or
fraud may occur and not be detected.  Also, projection of any
evaluation of internal control to future periods is subject to
the risk that it may become inadequate because of changes in
conditions or that the effectiveness of the design and operation
may deteriorate.

Our consideration of the internal control would not necessarily
disclose all matters in the internal control that might be
material weaknesses under standards established by the American
Institute of Certified Public Accountants.  A material weakness
is a condition in which the design or operation of one or more of
the internal control components does not reduce to a relatively
low level the risk that misstatements caused by error or fraud in
amounts that would be material in relation to the financial
statements being audited may occur and not be detected within a
timely period by employees in the normal course of performing
their assigned functions.  However, we noted no matters involving
the internal control and its operation, including controls for
safeguarding securities that we consider to be material
weaknesses as defined above.

This report is intended solely for the information and use of
management, the Board of Directors of the Funds, and the
Securities and Exchange Commission.




February 8, 1999



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