ZWEIG SERIES TRUST
NSAR-A, 1998-08-31
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<PAGE>      PAGE  1
000 A000000 06/30/98
000 C000000 0000754363
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 ZWEIG SERIES TRUST
001 B000000 811-8114
001 C000000 2124511100
002 A000000 900 THIRD AVENUE
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10022
002 D020000 4728
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 Y
007 B000000  7
007 C010100  1
007 C020100 ZWEIG SERIES TRUST ZWEIG STRATEGY FUND
007 C030100 N
007 C010200  2
007 C020200 ZWEIG SERIES TRUST ZWEIG APPRECIATION FUND
007 C030200 N
007 C010300  3
007 C010400  4
007 C020400 ZWEIG SERIES TRUST ZWEIG GOVERNMENT FUND
007 C030400 N
007 C010500  5
007 C020500 ZWEIG SERIES TRUST ZWEIG GOVERNMENT CASH FUND
007 C030500 N
007 C010600  6
007 C020600 ZWEIG SERIES TRUST ZWEIG MANAGED ASSETS
007 C030600 N
007 C010700  7
007 C020700 ZWEIG SERIES TRUST ZWEIG GROWTH & INCOME FUND
007 C030700 N
007 C010800  8
007 C020800 ZWEIG SERIES TRUST ZWEIG FOREIGN EQUITY FUND
007 C030800 N
007 C010900  9
007 C011000 10
008 A00AA01 ZWEIG/GLASER ADVISERS
008 B00AA01 A
008 C00AA01 801-35094
008 D01AA01 NEW YORK
<PAGE>      PAGE  2
008 D02AA01 NY
008 D03AA01 10022
008 D04AA01 4728
008 A00AA04 ZWEIG/GLASER ADVISERS
008 B00AA04 A
008 C00AA04 801-35094
008 D01AA04 NEW YORK
008 D02AA04 NY
008 D03AA04 10004
011 A00AA01 ZWEIG SECURITIES CORP.
011 B00AA01 8-40035
011 C01AA01 NEW YORK
011 C02AA01 NY
011 C03AA01 10022
011 C04AA01 4728
012 A00AA01 STATE STREET BANK AND TRUST COMPANY
012 B00AA01 85-5003
012 C01AA01 BOSTON
012 C02AA01 MA
012 C03AA01 02110
013 A00AA01 COOPERS & LYBRAND L.L.P.
013 B01AA01 NEW YORK
013 B02AA01 NY
013 B03AA01 10019
014 A00AA01 ZWEIG SECURITIES CORP.
014 B00AA01 8-0059
015 A00AA01 THE BANK OF NEW YORK
015 B00AA01 C
015 C01AA01 NEW YORK
015 C02AA01 NY
015 C03AA01 10286
015 E01AA01 X
018  00AA00 Y
019 A00AA00 Y
019 B00AA00    7
019 C00AA00 ZWEIGTRUST
020 A000001 MORGAN STANLEY & CO., INC.
020 B000001 13-2655998
020 C000001    876
020 A000002 ZWEIG SECURITIES CORP.
020 B000002 13-3472421
020 C000002    412
020 A000003 INSTINET CORP.
020 B000003 13-3443395
020 C000003    274
020 A000004 ABN AMRO SECURITIES (USA) INC.
020 B000004 13-3227945
020 C000004    220
020 A000005 DEUTSCHE MORGAN GRENFELL
020 B000005 13-2730828
020 C000005    108
<PAGE>      PAGE  3
020 A000006 SMITH BARNEY, INC.
020 B000006 13-1912900
020 C000006     56
020 A000007 NATWEST SECURITIES CORP.
020 B000007 13-3312778
020 C000007     42
020 A000008 ROCHDALE SECURITIES CORP.
020 B000008 13-3360814
020 C000008     35
020 A000009 PRUDENTIAL SECURITIES, INC.
020 B000009 22-2347336
020 C000009     30
020 A000010 MERRILL LYNCH, PIERCE, FENNER & SMITH INC.
020 B000010 13-5674085
020 C000010     21
021  000000     2111
022 A000001 MORGAN STANLEY & CO., INC.
022 B000001 13-2655998
022 C000001  15960862
022 D000001         0
022 A000002 PRUDENTIAL SECURITIES, INC.
022 B000002 22-2347336
022 C000002  14649407
022 D000002     35963
022 A000003 MERRILL LYNCH, PIERCE, FENNER & SMITH, INC.
022 B000003 13-5674085
022 C000003    120404
022 D000003        34
022 A000004 C.S. FIRST BOSTON CORP.
022 B000004 13-5659485
022 C000004     53069
022 D000004     48645
022 A000005 PAINEWEBBER, INC.
022 B000005 13-2638116
022 C000005     83947
022 D000005      3998
022 A000006 J. P. MORGAN SECURITIES, INC.
022 B000006 13-3224016
022 C000006     22008
022 D000006     19948
022 A000007 DAIWA SECURITIES AMERICA, INC.
022 B000007 13-5680329
022 C000007     16636
022 D000007      8842
022 A000008 GREENWICH CAPITAL MARKETS, INC.
022 B000008 13-3172275
022 C000008      8405
022 D000008     15471
022 A000009 UBS SECURITIES, INC.
022 B000009 13-2932996
022 C000009      6231
<PAGE>      PAGE  4
022 D000009         0
022 A000010 BARCLAYS DE ZOETE WEDD SECURITIES INC.
022 B000010 13-3551367
022 C000010      4965
022 D000010         0
023 C000000   30931411
023 D000000     141207
024  00AA00 N
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054 F00AA00 N
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054 K00AA00 N
054 L00AA00 N
054 M00AA00 Y
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054 O00AA00 N
055 A00AA00 N
055 B00AA00 N
056  00AA00 N
057  00AA00 N
077 A000000 N
<PAGE>      PAGE  5
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<PAGE>      PAGE  6
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<PAGE>      PAGE  7
049  000100 N
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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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051  000200 N
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<PAGE>      PAGE  12
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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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<PAGE>      PAGE  19
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<PAGE>      PAGE  20
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<PAGE>      PAGE  21
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<PAGE>      PAGE  22
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<PAGE>      PAGE  23
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<PAGE>      PAGE  24
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<PAGE>      PAGE  26
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<PAGE>      PAGE  27
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<PAGE>      PAGE  28
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<PAGE>      PAGE  32
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<PAGE>      PAGE  35
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SIGNATURE   ALFRED J. RATCLIFFE                          
TITLE       FIRST VICE PRESIDENT
 


<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG STRATEGY FUND
<SERIES>
   <NUMBER> 011
   <NAME> ZSFA0698
<MULTIPLIER> 1,000
       
<S>                             <C>
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<ACCUM-APPREC-OR-DEPREC>                       206,900
<NET-ASSETS>                                 1,271,573
<DIVIDEND-INCOME>                                7,928
<INTEREST-INCOME>                                3,971
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  10,190
<NET-INVESTMENT-INCOME>                          1,709
<REALIZED-GAINS-CURRENT>                        89,142
<APPREC-INCREASE-CURRENT>                        7,744
<NET-CHANGE-FROM-OPS>                           98,595
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                        1,977
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          1,066
<NUMBER-OF-SHARES-REDEEMED>                      3,972
<SHARES-REINVESTED>                                 96
<NET-CHANGE-IN-ASSETS>                          36,450
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                       38,148
<OVERDISTRIB-NII-PRIOR>                            119
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            4,740
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 10,190
<AVERAGE-NET-ASSETS>                           573,971
<PER-SHARE-NAV-BEGIN>                            15.77
<PER-SHARE-NII>                                    .06
<PER-SHARE-GAIN-APPREC>                           1.25
<PER-SHARE-DIVIDEND>                               .06
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              17.02
<EXPENSE-RATIO>                                   1.23
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG STRATEGY FUND
<SERIES>
   <NUMBER> 012
   <NAME> ZSFB0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                        1,067,302
<INVESTMENTS-AT-VALUE>                       1,273,016
<RECEIVABLES>                                    2,442
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                               1,275,458
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        3,885
<TOTAL-LIABILITIES>                              3,885
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       937,775
<SHARES-COMMON-STOCK>                            5,604
<SHARES-COMMON-PRIOR>                            4,845
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                             392
<ACCUMULATED-NET-GAINS>                        127,290
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       206,900
<NET-ASSETS>                                 1,271,573
<DIVIDEND-INCOME>                                7,928
<INTEREST-INCOME>                                3,971
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  10,190
<NET-INVESTMENT-INCOME>                          1,709
<REALIZED-GAINS-CURRENT>                        89,142
<APPREC-INCREASE-CURRENT>                        7,744
<NET-CHANGE-FROM-OPS>                           98,595
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          1,016
<NUMBER-OF-SHARES-REDEEMED>                        257
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                          36,450
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                       38,148
<OVERDISTRIB-NII-PRIOR>                            119
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            4,740
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 10,190
<AVERAGE-NET-ASSETS>                            88,074
<PER-SHARE-NAV-BEGIN>                            15.86
<PER-SHARE-NII>                                      0
<PER-SHARE-GAIN-APPREC>                           1.25
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              17.11
<EXPENSE-RATIO>                                   1.93
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG STRATEGY FUND
<SERIES>
   <NUMBER> 013
   <NAME> ZSFC0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                        1,067,302
<INVESTMENTS-AT-VALUE>                       1,273,016
<RECEIVABLES>                                    2,442
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                               1,275,458
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        3,885
<TOTAL-LIABILITIES>                              3,885
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       937,775
<SHARES-COMMON-STOCK>                           35,865
<SHARES-COMMON-PRIOR>                           37,424
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                             392
<ACCUMULATED-NET-GAINS>                        127,290
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       206,900
<NET-ASSETS>                                 1,271,573
<DIVIDEND-INCOME>                                7,928
<INTEREST-INCOME>                                3,971
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  10,190
<NET-INVESTMENT-INCOME>                          1,709
<REALIZED-GAINS-CURRENT>                        89,142
<APPREC-INCREASE-CURRENT>                        7,744
<NET-CHANGE-FROM-OPS>                           98,595
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          1,786
<NUMBER-OF-SHARES-REDEEMED>                      3,345
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                          36,450
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                       38,148
<OVERDISTRIB-NII-PRIOR>                            119
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            4,740
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 10,190
<AVERAGE-NET-ASSETS>                           611,305
<PER-SHARE-NAV-BEGIN>                            15.81
<PER-SHARE-NII>                                      0
<PER-SHARE-GAIN-APPREC>                           1.25
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              17.06
<EXPENSE-RATIO>                                   1.93
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG STRATEGY FUND
<SERIES>
   <NUMBER> 014
   <NAME> ZSFI0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                        1,067,302
<INVESTMENTS-AT-VALUE>                       1,273,016
<RECEIVABLES>                                    2,442
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                               1,275,458
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        3,885
<TOTAL-LIABILITIES>                              3,885
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       937,775
<SHARES-COMMON-STOCK>                               64
<SHARES-COMMON-PRIOR>                               67
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                             392
<ACCUMULATED-NET-GAINS>                        127,290
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       206,900
<NET-ASSETS>                                 1,271,573
<DIVIDEND-INCOME>                                7,928
<INTEREST-INCOME>                                3,971
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                  10,190
<NET-INVESTMENT-INCOME>                          1,709
<REALIZED-GAINS-CURRENT>                        89,142
<APPREC-INCREASE-CURRENT>                        7,744
<NET-CHANGE-FROM-OPS>                           98,595
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            5
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                              0
<NUMBER-OF-SHARES-REDEEMED>                          4
<SHARES-REINVESTED>                                  1
<NET-CHANGE-IN-ASSETS>                          36,450
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                       38,148
<OVERDISTRIB-NII-PRIOR>                            119
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            4,740
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                 10,190
<AVERAGE-NET-ASSETS>                             1,120
<PER-SHARE-NAV-BEGIN>                            15.87
<PER-SHARE-NII>                                    .09
<PER-SHARE-GAIN-APPREC>                           1.25
<PER-SHARE-DIVIDEND>                               .08
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              17.13
<EXPENSE-RATIO>                                    .93
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG APPRECIATION FUND
<SERIES>
   <NUMBER> 021
   <NAME> ZAFA0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                          507,036
<INVESTMENTS-AT-VALUE>                         608,521
<RECEIVABLES>                                    1,043
<ASSETS-OTHER>                                      99
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 609,663
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        1,384
<TOTAL-LIABILITIES>                              1,384
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       393,580
<SHARES-COMMON-STOCK>                           15,531
<SHARES-COMMON-PRIOR>                           16,081
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                             825
<ACCUMULATED-NET-GAINS>                        114,039
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       101,485
<NET-ASSETS>                                   608,279
<DIVIDEND-INCOME>                                3,383
<INTEREST-INCOME>                                1,560
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                   5,427
<NET-INVESTMENT-INCOME>                          (484)
<REALIZED-GAINS-CURRENT>                        94,391
<APPREC-INCREASE-CURRENT>                     (47,743)
<NET-CHANGE-FROM-OPS>                           46,164
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          1,638
<NUMBER-OF-SHARES-REDEEMED>                      2,188
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                          41,029
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                       19,648
<OVERDISTRIB-NII-PRIOR>                            341
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            2,963
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  5,427
<AVERAGE-NET-ASSETS>                           305,873
<PER-SHARE-NAV-BEGIN>                            18.27
<PER-SHARE-NII>                                    .02
<PER-SHARE-GAIN-APPREC>                           1.51
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              19.80
<EXPENSE-RATIO>                                   1.49
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG APPRECIATION FUND
<SERIES>
   <NUMBER> 022
   <NAME> ZAFB0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                          507,036
<INVESTMENTS-AT-VALUE>                         608,521
<RECEIVABLES>                                    1,043
<ASSETS-OTHER>                                      99
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 609,663
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        1,384
<TOTAL-LIABILITIES>                              1,384
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       393,580
<SHARES-COMMON-STOCK>                            1,682
<SHARES-COMMON-PRIOR>                            1,220
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                             825
<ACCUMULATED-NET-GAINS>                        114,039
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       101,485
<NET-ASSETS>                                   608,279
<DIVIDEND-INCOME>                                3,383
<INTEREST-INCOME>                                1,560
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                   5,427
<NET-INVESTMENT-INCOME>                          (484)
<REALIZED-GAINS-CURRENT>                        94,391
<APPREC-INCREASE-CURRENT>                     (47,743)
<NET-CHANGE-FROM-OPS>                           46,164
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            513
<NUMBER-OF-SHARES-REDEEMED>                         51
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                          41,029
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                       19,648
<OVERDISTRIB-NII-PRIOR>                            341
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            2,963
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  5,427
<AVERAGE-NET-ASSETS>                            27,839
<PER-SHARE-NAV-BEGIN>                            18.13
<PER-SHARE-NII>                                   (.05)
<PER-SHARE-GAIN-APPREC>                           1.49
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              19.57
<EXPENSE-RATIO>                                   2.19
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG APPRECIATION FUND
<SERIES>
   <NUMBER> 023
   <NAME> ZAFC0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                          507,036
<INVESTMENTS-AT-VALUE>                         608,521
<RECEIVABLES>                                    1,043
<ASSETS-OTHER>                                      99
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 609,663
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        1,384
<TOTAL-LIABILITIES>                              1,384
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       393,580
<SHARES-COMMON-STOCK>                           13,610
<SHARES-COMMON-PRIOR>                           13,735
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                             825
<ACCUMULATED-NET-GAINS>                        114,039
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       101,485
<NET-ASSETS>                                   608,279
<DIVIDEND-INCOME>                                3,383
<INTEREST-INCOME>                                1,560
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                   5,427
<NET-INVESTMENT-INCOME>                          (484)
<REALIZED-GAINS-CURRENT>                        94,391
<APPREC-INCREASE-CURRENT>                     (47,743)
<NET-CHANGE-FROM-OPS>                           46,164
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            780
<NUMBER-OF-SHARES-REDEEMED>                        905
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                          41,029
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                       19,648
<OVERDISTRIB-NII-PRIOR>                            341
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            2,963
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  5,427
<AVERAGE-NET-ASSETS>                           261,469
<PER-SHARE-NAV-BEGIN>                            18.10
<PER-SHARE-NII>                                  (.05)
<PER-SHARE-GAIN-APPREC>                           1.49
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              19.54
<EXPENSE-RATIO>                                   2.19
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG APPRECIATION FUND
<SERIES>
   <NUMBER> 024
   <NAME> ZAFI0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                          507,036
<INVESTMENTS-AT-VALUE>                         608,521
<RECEIVABLES>                                    1,043
<ASSETS-OTHER>                                      99
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                 609,663
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        1,384
<TOTAL-LIABILITIES>                              1,384
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       393,580
<SHARES-COMMON-STOCK>                               98
<SHARES-COMMON-PRIOR>                              148
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                             825
<ACCUMULATED-NET-GAINS>                        114,039
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                       101,485
<NET-ASSETS>                                   608,279
<DIVIDEND-INCOME>                                3,383
<INTEREST-INCOME>                                1,560
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                   5,427
<NET-INVESTMENT-INCOME>                          (484)
<REALIZED-GAINS-CURRENT>                        94,391
<APPREC-INCREASE-CURRENT>                     (47,743)
<NET-CHANGE-FROM-OPS>                           46,164
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            0
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                              2
<NUMBER-OF-SHARES-REDEEMED>                         52
<SHARES-REINVESTED>                                  0
<NET-CHANGE-IN-ASSETS>                          41,029
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                       19,648
<OVERDISTRIB-NII-PRIOR>                            341
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                            2,963
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  5,427
<AVERAGE-NET-ASSETS>                             2,600
<PER-SHARE-NAV-BEGIN>                            18.46
<PER-SHARE-NII>                                    .08
<PER-SHARE-GAIN-APPREC>                           1.49
<PER-SHARE-DIVIDEND>                                 0
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              20.03
<EXPENSE-RATIO>                                   1.19
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG GOVERNMENT FUND
<SERIES>
   <NUMBER> 041
   <NAME> ZGFA0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                           37,709
<INVESTMENTS-AT-VALUE>                          38,511
<RECEIVABLES>                                      687
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  39,198
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                          226
<TOTAL-LIABILITIES>                                226
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        45,394
<SHARES-COMMON-STOCK>                            2,654
<SHARES-COMMON-PRIOR>                            2,781
<ACCUMULATED-NII-CURRENT>                           55
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                        (7,279)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                           802
<NET-ASSETS>                                    38,972
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                1,299
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     298
<NET-INVESTMENT-INCOME>                          1,001
<REALIZED-GAINS-CURRENT>                           648
<APPREC-INCREASE-CURRENT>                        (369)
<NET-CHANGE-FROM-OPS>                            1,280
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                          686
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                             70
<NUMBER-OF-SHARES-REDEEMED>                        236
<SHARES-REINVESTED>                                 39
<NET-CHANGE-IN-ASSETS>                         (1,554)
<ACCUMULATED-NII-PRIOR>                             29
<ACCUMULATED-GAINS-PRIOR>                      (7,927)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              119
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    298
<AVERAGE-NET-ASSETS>                            27,694
<PER-SHARE-NAV-BEGIN>                            10.09
<PER-SHARE-NII>                                    .26
<PER-SHARE-GAIN-APPREC>                            .07
<PER-SHARE-DIVIDEND>                               .25
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.17
<EXPENSE-RATIO>                                   1.38
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG GOVERNMENT FUND
<SERIES>
   <NUMBER> 042
   <NAME> ZGFB0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                           37,709
<INVESTMENTS-AT-VALUE>                          38,511
<RECEIVABLES>                                      687
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  39,198
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                          226
<TOTAL-LIABILITIES>                                226
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        45,394
<SHARES-COMMON-STOCK>                              122
<SHARES-COMMON-PRIOR>                              120
<ACCUMULATED-NII-CURRENT>                           55
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                        (7,279)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                           802
<NET-ASSETS>                                    38,972
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                1,299
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     298
<NET-INVESTMENT-INCOME>                          1,001
<REALIZED-GAINS-CURRENT>                           648
<APPREC-INCREASE-CURRENT>                        (369)
<NET-CHANGE-FROM-OPS>                            1,280
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                           27
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                             21
<NUMBER-OF-SHARES-REDEEMED>                         20
<SHARES-REINVESTED>                                  1
<NET-CHANGE-IN-ASSETS>                         (1,554)
<ACCUMULATED-NII-PRIOR>                             29
<ACCUMULATED-GAINS-PRIOR>                      (7,927)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              119
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    298
<AVERAGE-NET-ASSETS>                             1,211
<PER-SHARE-NAV-BEGIN>                            10.15
<PER-SHARE-NII>                                    .23
<PER-SHARE-GAIN-APPREC>                            .08
<PER-SHARE-DIVIDEND>                               .23
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.23
<EXPENSE-RATIO>                                   2.08
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG GOVERNMENT FUND
<SERIES>
   <NUMBER> 043
   <NAME> ZGFC0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                           37,709
<INVESTMENTS-AT-VALUE>                          38,511
<RECEIVABLES>                                      687
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  39,198
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                          226
<TOTAL-LIABILITIES>                                226
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        45,394
<SHARES-COMMON-STOCK>                              950
<SHARES-COMMON-PRIOR>                            1,012
<ACCUMULATED-NII-CURRENT>                           55
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                        (7,279)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                           802
<NET-ASSETS>                                    38,972
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                1,299
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     298
<NET-INVESTMENT-INCOME>                          1,001
<REALIZED-GAINS-CURRENT>                           648
<APPREC-INCREASE-CURRENT>                        (369)
<NET-CHANGE-FROM-OPS>                            1,280
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                          234
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            148
<NUMBER-OF-SHARES-REDEEMED>                        223
<SHARES-REINVESTED>                                 13
<NET-CHANGE-IN-ASSETS>                         (1,554)
<ACCUMULATED-NII-PRIOR>                             29
<ACCUMULATED-GAINS-PRIOR>                      (7,927)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              119
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    298
<AVERAGE-NET-ASSETS>                             9,927
<PER-SHARE-NAV-BEGIN>                            10.08
<PER-SHARE-NII>                                    .24
<PER-SHARE-GAIN-APPREC>                            .07
<PER-SHARE-DIVIDEND>                               .24
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.15
<EXPENSE-RATIO>                                   1.83
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG GOVERNMENT FUND
<SERIES>
   <NUMBER> 044
   <NAME> ZGFI0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                           37,709
<INVESTMENTS-AT-VALUE>                          38,511
<RECEIVABLES>                                      687
<ASSETS-OTHER>                                       0
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  39,198
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                          226
<TOTAL-LIABILITIES>                                226
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        45,394
<SHARES-COMMON-STOCK>                              107
<SHARES-COMMON-PRIOR>                              104
<ACCUMULATED-NII-CURRENT>                           55
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                        (7,279)
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                           802
<NET-ASSETS>                                    38,972
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                1,299
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     298
<NET-INVESTMENT-INCOME>                          1,001
<REALIZED-GAINS-CURRENT>                           648
<APPREC-INCREASE-CURRENT>                        (369)
<NET-CHANGE-FROM-OPS>                            1,280
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                           28
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                              0
<NUMBER-OF-SHARES-REDEEMED>                          0
<SHARES-REINVESTED>                                  3
<NET-CHANGE-IN-ASSETS>                         (1,554)
<ACCUMULATED-NII-PRIOR>                             29
<ACCUMULATED-GAINS-PRIOR>                      (7,927)
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              119
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    298
<AVERAGE-NET-ASSETS>                             1,067
<PER-SHARE-NAV-BEGIN>                            10.11
<PER-SHARE-NII>                                    .28
<PER-SHARE-GAIN-APPREC>                            .07
<PER-SHARE-DIVIDEND>                               .27
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              10.19
<EXPENSE-RATIO>                                   1.08
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG GOVERNMENT CASH FUND
<SERIES>
   <NUMBER> 051
   <NAME> ZCFA0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                           76,542
<INVESTMENTS-AT-VALUE>                          76,542
<RECEIVABLES>                                      576
<ASSETS-OTHER>                                      14
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  77,132
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        1,555
<TOTAL-LIABILITIES>                              1,555
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        75,577
<SHARES-COMMON-STOCK>                            2,997
<SHARES-COMMON-PRIOR>                            2,472
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                             0
<NET-ASSETS>                                    75,577
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                2,107
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     168
<NET-INVESTMENT-INCOME>                          1,939
<REALIZED-GAINS-CURRENT>                             0
<APPREC-INCREASE-CURRENT>                            0
<NET-CHANGE-FROM-OPS>                            1,939
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                           87
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                         23,616
<NUMBER-OF-SHARES-REDEEMED>                     23,142
<SHARES-REINVESTED>                                 51
<NET-CHANGE-IN-ASSETS>                          13,409
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              189
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    304
<AVERAGE-NET-ASSETS>                             3,550
<PER-SHARE-NAV-BEGIN>                             1.00
<PER-SHARE-NII>                                    .02
<PER-SHARE-GAIN-APPREC>                              0
<PER-SHARE-DIVIDEND>                               .02
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               1.00
<EXPENSE-RATIO>                                    .65
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG GOVERNMENT CASH FUND
<SERIES>
   <NUMBER> 052
   <NAME> ZCFB0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                           76,542
<INVESTMENTS-AT-VALUE>                          76,542
<RECEIVABLES>                                      576
<ASSETS-OTHER>                                      14
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  77,132
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        1,555
<TOTAL-LIABILITIES>                              1,555
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        75,577
<SHARES-COMMON-STOCK>                              422
<SHARES-COMMON-PRIOR>                              336
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                             0
<NET-ASSETS>                                    75,577
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                2,107
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     168
<NET-INVESTMENT-INCOME>                          1,939
<REALIZED-GAINS-CURRENT>                             0
<APPREC-INCREASE-CURRENT>                            0
<NET-CHANGE-FROM-OPS>                            1,939
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            8
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            279
<NUMBER-OF-SHARES-REDEEMED>                        200
<SHARES-REINVESTED>                                  7
<NET-CHANGE-IN-ASSETS>                          13,409
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              189
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    304
<AVERAGE-NET-ASSETS>                               372
<PER-SHARE-NAV-BEGIN>                             1.00
<PER-SHARE-NII>                                    .02
<PER-SHARE-GAIN-APPREC>                              0
<PER-SHARE-DIVIDEND>                               .02
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               1.00
<EXPENSE-RATIO>                                   1.35
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG GOVERNMENT CASH FUND
<SERIES>
   <NUMBER> 053
   <NAME> ZCFC0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                           76,542
<INVESTMENTS-AT-VALUE>                          76,542
<RECEIVABLES>                                      576
<ASSETS-OTHER>                                      14
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  77,132
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        1,555
<TOTAL-LIABILITIES>                              1,555
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        75,577
<SHARES-COMMON-STOCK>                            3,102
<SHARES-COMMON-PRIOR>                            2,661
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                             0
<NET-ASSETS>                                    75,577
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                2,107
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     168
<NET-INVESTMENT-INCOME>                          1,939
<REALIZED-GAINS-CURRENT>                             0
<APPREC-INCREASE-CURRENT>                            0
<NET-CHANGE-FROM-OPS>                            1,939
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                           69
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          2,203
<NUMBER-OF-SHARES-REDEEMED>                      1,824
<SHARES-REINVESTED>                                 62
<NET-CHANGE-IN-ASSETS>                          13,409
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              189
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    304
<AVERAGE-NET-ASSETS>                             2,815
<PER-SHARE-NAV-BEGIN>                             1.00
<PER-SHARE-NII>                                    .02
<PER-SHARE-GAIN-APPREC>                              0
<PER-SHARE-DIVIDEND>                               .02
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               1.00
<EXPENSE-RATIO>                                    .65
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG GOVERNMENT CASH FUND
<SERIES>
   <NUMBER> 054
   <NAME> ZCFI0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                           76,542
<INVESTMENTS-AT-VALUE>                          76,542
<RECEIVABLES>                                      576
<ASSETS-OTHER>                                      14
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  77,132
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        1,555
<TOTAL-LIABILITIES>                              1,555
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        75,577
<SHARES-COMMON-STOCK>                                7
<SHARES-COMMON-PRIOR>                              100
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                             0
<NET-ASSETS>                                    75,577
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                2,107
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     168
<NET-INVESTMENT-INCOME>                          1,939
<REALIZED-GAINS-CURRENT>                             0
<APPREC-INCREASE-CURRENT>                            0
<NET-CHANGE-FROM-OPS>                            1,939
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                           11
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                          1,433
<NUMBER-OF-SHARES-REDEEMED>                      1,537
<SHARES-REINVESTED>                                 11
<NET-CHANGE-IN-ASSETS>                          13,409
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              189
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    304
<AVERAGE-NET-ASSETS>                               430
<PER-SHARE-NAV-BEGIN>                             1.00
<PER-SHARE-NII>                                    .03
<PER-SHARE-GAIN-APPREC>                              0
<PER-SHARE-DIVIDEND>                               .03
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               1.00
<EXPENSE-RATIO>                                    .35
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG GOVERNMENT CASH FUND
<SERIES>
   <NUMBER> 055
   <NAME> ZCFM0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                           76,542
<INVESTMENTS-AT-VALUE>                          76,542
<RECEIVABLES>                                      576
<ASSETS-OTHER>                                      14
<OTHER-ITEMS-ASSETS>                                 0
<TOTAL-ASSETS>                                  77,132
<PAYABLE-FOR-SECURITIES>                             0
<SENIOR-LONG-TERM-DEBT>                              0
<OTHER-ITEMS-LIABILITIES>                        1,555
<TOTAL-LIABILITIES>                              1,555
<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                        75,577
<SHARES-COMMON-STOCK>                           69,050
<SHARES-COMMON-PRIOR>                           56,599
<ACCUMULATED-NII-CURRENT>                            0
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                              0
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                             0
<NET-ASSETS>                                    75,577
<DIVIDEND-INCOME>                                    0
<INTEREST-INCOME>                                2,107
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                     168
<NET-INVESTMENT-INCOME>                          1,939
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<NET-CHANGE-FROM-OPS>                            1,939
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                        1,764
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<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                        237,905
<NUMBER-OF-SHARES-REDEEMED>                    226,199
<SHARES-REINVESTED>                                745
<NET-CHANGE-IN-ASSETS>                          13,409
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<OVERDISTRIB-NII-PRIOR>                              0
<OVERDIST-NET-GAINS-PRIOR>                           0
<GROSS-ADVISORY-FEES>                              189
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    304
<AVERAGE-NET-ASSETS>                            69,116
<PER-SHARE-NAV-BEGIN>                             1.00
<PER-SHARE-NII>                                    .03
<PER-SHARE-GAIN-APPREC>                              0
<PER-SHARE-DIVIDEND>                               .03
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                               1.00
<EXPENSE-RATIO>                                    .42
<AVG-DEBT-OUTSTANDING>                               0
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG MANAGED ASSETS
<SERIES>
   <NUMBER> 061
   <NAME> ZMAA0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
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<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                          478,129
<INVESTMENTS-AT-VALUE>                         562,615
<RECEIVABLES>                                   18,474
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<PAID-IN-CAPITAL-COMMON>                       486,702
<SHARES-COMMON-STOCK>                            8,573
<SHARES-COMMON-PRIOR>                            8,719
<ACCUMULATED-NII-CURRENT>                          284
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<ACCUMULATED-NET-GAINS>                         10,829
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                        81,672
<NET-ASSETS>                                   579,487
<DIVIDEND-INCOME>                                3,564
<INTEREST-INCOME>                                7,719
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                   5,891
<NET-INVESTMENT-INCOME>                          5,392
<REALIZED-GAINS-CURRENT>                        16,111
<APPREC-INCREASE-CURRENT>                       33,653
<NET-CHANGE-FROM-OPS>                           55,156
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                        1,360
<DISTRIBUTIONS-OF-GAINS>                             0
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<NUMBER-OF-SHARES-SOLD>                            656
<NUMBER-OF-SHARES-REDEEMED>                        886
<SHARES-REINVESTED>                                 84
<NET-CHANGE-IN-ASSETS>                          40,191
<ACCUMULATED-NII-PRIOR>                              0
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<OVERDISTRIB-NII-PRIOR>                             94
<OVERDIST-NET-GAINS-PRIOR>                       5,282
<GROSS-ADVISORY-FEES>                            2,821
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  5,891
<AVERAGE-NET-ASSETS>                           117,027
<PER-SHARE-NAV-BEGIN>                            12.72
<PER-SHARE-NII>                                    .17
<PER-SHARE-GAIN-APPREC>                           1.18
<PER-SHARE-DIVIDEND>                               .16
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              13.91
<EXPENSE-RATIO>                                   1.54
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG MANAGED ASSETS
<SERIES>
   <NUMBER> 062
   <NAME> ZMAB0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                          478,129
<INVESTMENTS-AT-VALUE>                         562,615
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<SENIOR-EQUITY>                                      0
<PAID-IN-CAPITAL-COMMON>                       486,702
<SHARES-COMMON-STOCK>                            1,972
<SHARES-COMMON-PRIOR>                            1,417
<ACCUMULATED-NII-CURRENT>                          284
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                         10,829
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                        81,672
<NET-ASSETS>                                   579,487
<DIVIDEND-INCOME>                                3,564
<INTEREST-INCOME>                                7,719
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                   5,891
<NET-INVESTMENT-INCOME>                          5,392
<REALIZED-GAINS-CURRENT>                        16,111
<APPREC-INCREASE-CURRENT>                       33,653
<NET-CHANGE-FROM-OPS>                           55,156
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                          215
<DISTRIBUTIONS-OF-GAINS>                             0
<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                            619
<NUMBER-OF-SHARES-REDEEMED>                         75
<SHARES-REINVESTED>                                 11
<NET-CHANGE-IN-ASSETS>                          40,191
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                            0
<OVERDISTRIB-NII-PRIOR>                             94
<OVERDIST-NET-GAINS-PRIOR>                       5,282
<GROSS-ADVISORY-FEES>                            2,821
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  5,891
<AVERAGE-NET-ASSETS>                            23,316
<PER-SHARE-NAV-BEGIN>                            12.79
<PER-SHARE-NII>                                    .11
<PER-SHARE-GAIN-APPREC>                           1.20
<PER-SHARE-DIVIDEND>                               .11
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              13.99
<EXPENSE-RATIO>                                   2.24
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG MANAGED ASSETS
<SERIES>
   <NUMBER> 063
   <NAME> ZMAC0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                          478,129
<INVESTMENTS-AT-VALUE>                         562,615
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<PAID-IN-CAPITAL-COMMON>                       486,702
<SHARES-COMMON-STOCK>                           31,195
<SHARES-COMMON-PRIOR>                           32,281
<ACCUMULATED-NII-CURRENT>                          284
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                         10,829
<OVERDISTRIBUTION-GAINS>                             0
<ACCUM-APPREC-OR-DEPREC>                        81,672
<NET-ASSETS>                                   579,487
<DIVIDEND-INCOME>                                3,564
<INTEREST-INCOME>                                7,719
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                   5,891
<NET-INVESTMENT-INCOME>                          5,392
<REALIZED-GAINS-CURRENT>                        16,111
<APPREC-INCREASE-CURRENT>                       33,653
<NET-CHANGE-FROM-OPS>                           55,156
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                        3,406
<DISTRIBUTIONS-OF-GAINS>                             0
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<NUMBER-OF-SHARES-SOLD>                          1,412
<NUMBER-OF-SHARES-REDEEMED>                      2,683
<SHARES-REINVESTED>                                185
<NET-CHANGE-IN-ASSETS>                          40,191
<ACCUMULATED-NII-PRIOR>                              0
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<OVERDISTRIB-NII-PRIOR>                             94
<OVERDIST-NET-GAINS-PRIOR>                       5,282
<GROSS-ADVISORY-FEES>                            2,821
<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                  5,891
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<PER-SHARE-NAV-BEGIN>                            12.63
<PER-SHARE-NII>                                    .12
<PER-SHARE-GAIN-APPREC>                           1.17
<PER-SHARE-DIVIDEND>                               .11
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              13.81
<EXPENSE-RATIO>                                   2.24
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<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG MANAGED ASSETS
<SERIES>
   <NUMBER> 064
   <NAME> ZMAI0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
<INVESTMENTS-AT-COST>                          478,129
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<PAID-IN-CAPITAL-COMMON>                       486,702
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<ACCUMULATED-NII-CURRENT>                          284
<OVERDISTRIBUTION-NII>                               0
<ACCUMULATED-NET-GAINS>                         10,829
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<NET-ASSETS>                                   579,487
<DIVIDEND-INCOME>                                3,564
<INTEREST-INCOME>                                7,719
<OTHER-INCOME>                                       0
<EXPENSES-NET>                                   5,891
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<REALIZED-GAINS-CURRENT>                        16,111
<APPREC-INCREASE-CURRENT>                       33,653
<NET-CHANGE-FROM-OPS>                           55,156
<EQUALIZATION>                                       0
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<PER-SHARE-NAV-BEGIN>                            13.05
<PER-SHARE-NII>                                    .31
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<PER-SHARE-DIVIDEND>                               .25
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<EXPENSE-RATIO>                                   1.24
<AVG-DEBT-OUTSTANDING>                               0
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG GROWTH & INCOME FUND
<SERIES>
   <NUMBER> 071
   <NAME> ZGIA0698
<MULTIPLIER> 1,000
       
<S>                             <C>
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<SHARES-COMMON-STOCK>                              608
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<DIVIDEND-INCOME>                                  327
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<EXPENSE-RATIO>                                   1.32
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG GROWTH & INCOME FUND
<SERIES>
   <NUMBER> 072
   <NAME> ZGIB0698
<MULTIPLIER> 1,000
       
<S>                             <C>
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG GROWTH & INCOME FUND
<SERIES>
   <NUMBER> 073
   <NAME> ZGIC0698
<MULTIPLIER> 1,000
       
<S>                             <C>
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<EXPENSE-RATIO>                                   2.02
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG GROWTH & INCOME FUND
<SERIES>
   <NUMBER> 074
   <NAME> ZGII0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
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<NET-CHANGE-FROM-OPS>                            2,188
<EQUALIZATION>                                       0
<DISTRIBUTIONS-OF-INCOME>                            9
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<DISTRIBUTIONS-OTHER>                                0
<NUMBER-OF-SHARES-SOLD>                              0
<NUMBER-OF-SHARES-REDEEMED>                          0
<SHARES-REINVESTED>                                  1
<NET-CHANGE-IN-ASSETS>                          12,039
<ACCUMULATED-NII-PRIOR>                              0
<ACCUMULATED-GAINS-PRIOR>                          532
<OVERDISTRIB-NII-PRIOR>                              3
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<INTEREST-EXPENSE>                                   0
<GROSS-EXPENSE>                                    388
<AVERAGE-NET-ASSETS>                             1,775
<PER-SHARE-NAV-BEGIN>                            13.77
<PER-SHARE-NII>                                    .08
<PER-SHARE-GAIN-APPREC>                            .84
<PER-SHARE-DIVIDEND>                               .08
<PER-SHARE-DISTRIBUTIONS>                            0
<RETURNS-OF-CAPITAL>                                 0
<PER-SHARE-NAV-END>                              14.61
<EXPENSE-RATIO>                                   1.02
<AVG-DEBT-OUTSTANDING>                               0
<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG FOREIGN EQUITY FUND
<SERIES>
   <NUMBER> 081
   <NAME> ZFEA0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-END>                               JUN-30-1998
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<SHARES-COMMON-STOCK>                               86
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<NET-ASSETS>                                     7,506
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<NET-INVESTMENT-INCOME>                             43
<REALIZED-GAINS-CURRENT>                            34
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<NET-CHANGE-FROM-OPS>                              506
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<EXPENSE-RATIO>                                   1.80
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG FOREIGN EQUITY FUND
<SERIES>
   <NUMBER> 082
   <NAME> ZFEB0698
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG FOREIGN EQUITY FUND
<SERIES>
   <NUMBER> 083
   <NAME> ZFEC0698
<MULTIPLIER> 1,000
       
<S>                             <C>
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<EXPENSE-RATIO>                                   2.50
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</TABLE>

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000754363
<NAME> ZWEIG FOREIGN EQUITY FUND
<SERIES>
   <NUMBER> 084
   <NAME> ZFEI0698
<MULTIPLIER> 1,000
       
<S>                             <C>
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<EXPENSE-RATIO>                                   1.50
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<AVG-DEBT-PER-SHARE>                                 0
        

</TABLE>


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