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<PAGE> PAGE 2
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<PAGE> PAGE 3
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<PAGE> PAGE 4
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<PAGE> PAGE 5
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<PAGE> PAGE 6
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SIGNATURE BARRY FINK
TITLE VICE PRESIDENT
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
MSDW GROWTH FUND
CLASS A
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 611,793,890
<INVESTMENTS-AT-VALUE> 940,594,738
<RECEIVABLES> 9,089,874
<ASSETS-OTHER> 78,841
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 949,763,453
<PAYABLE-FOR-SECURITIES> (3,696,408)
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> (1,592,940)
<TOTAL-LIABILITIES> (5,289,348)
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 559,834,380
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<ACCUMULATED-NII-CURRENT> (4,288,691)
<OVERDISTRIBUTION-NII> 0
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<OVERDISTRIBUTION-GAINS> 0
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<NET-ASSETS> 944,474,105
<DIVIDEND-INCOME> 2,642,624
<INTEREST-INCOME> 187,309
<OTHER-INCOME> 0
<EXPENSES-NET> (7,118,624)
<NET-INVESTMENT-INCOME> (4,288,691)
<REALIZED-GAINS-CURRENT> 66,956,237
<APPREC-INCREASE-CURRENT> (9,283,373)
<NET-CHANGE-FROM-OPS> 53,384,173
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (401,644)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 311,258
<NUMBER-OF-SHARES-REDEEMED> (155,783)
<SHARES-REINVESTED> 23,150
<NET-CHANGE-IN-ASSETS> 21,823,630
<ACCUMULATED-NII-PRIOR> (5,921,762)
<ACCUMULATED-GAINS-PRIOR> 48,385,089
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (3,722,071)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (7,118,624)
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<PER-SHARE-NAV-BEGIN> 17.34
<PER-SHARE-NII> (0.09)
<PER-SHARE-GAIN-APPREC> 1.10
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (1.04)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 17.31
<EXPENSE-RATIO> 1.15
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
MSDW GROWTH FUND
CLASS B
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 611,793,890
<INVESTMENTS-AT-VALUE> 940,594,738
<RECEIVABLES> 9,089,874
<ASSETS-OTHER> 78,841
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 949,763,453
<PAYABLE-FOR-SECURITIES> (3,696,408)
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> (1,592,940)
<TOTAL-LIABILITIES> (5,289,348)
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 559,834,380
<SHARES-COMMON-STOCK> 54,290,402
<SHARES-COMMON-PRIOR> 53,087,158
<ACCUMULATED-NII-CURRENT> (4,288,691)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 60,127,568
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 328,800,848
<NET-ASSETS> 944,474,105
<DIVIDEND-INCOME> 2,642,624
<INTEREST-INCOME> 187,309
<OTHER-INCOME> 0
<EXPENSES-NET> (7,118,624)
<NET-INVESTMENT-INCOME> (4,288,691)
<REALIZED-GAINS-CURRENT> 66,956,237
<APPREC-INCREASE-CURRENT> (9,283,373)
<NET-CHANGE-FROM-OPS> 53,384,173
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<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (54,560,938)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,683,879
<NUMBER-OF-SHARES-REDEEMED> (4,546,175)
<SHARES-REINVESTED> 3,065,540
<NET-CHANGE-IN-ASSETS> 21,823,630
<ACCUMULATED-NII-PRIOR> (5,921,762)
<ACCUMULATED-GAINS-PRIOR> 48,385,089
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (3,722,071)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (7,118,624)
<AVERAGE-NET-ASSETS> 930,554,699
<PER-SHARE-NAV-BEGIN> 17.20
<PER-SHARE-NII> (0.16)
<PER-SHARE-GAIN-APPREC> 1.13
<PER-SHARE-DIVIDEND> 0
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<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 17.13
<EXPENSE-RATIO> 1.51
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
MSDW GROWTH FUND
CLASS C
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 611,793,890
<INVESTMENTS-AT-VALUE> 940,594,738
<RECEIVABLES> 9,089,874
<ASSETS-OTHER> 78,841
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 949,763,453
<PAYABLE-FOR-SECURITIES> (3,696,408)
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<OTHER-ITEMS-LIABILITIES> (1,592,940)
<TOTAL-LIABILITIES> (5,289,348)
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 559,834,380
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<SHARES-COMMON-PRIOR> 177,942
<ACCUMULATED-NII-CURRENT> (4,288,691)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 60,127,568
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 328,800,848
<NET-ASSETS> 944,474,105
<DIVIDEND-INCOME> 2,642,624
<INTEREST-INCOME> 187,309
<OTHER-INCOME> 0
<EXPENSES-NET> (7,118,624)
<NET-INVESTMENT-INCOME> (4,288,691)
<REALIZED-GAINS-CURRENT> 66,956,237
<APPREC-INCREASE-CURRENT> (9,283,373)
<NET-CHANGE-FROM-OPS> 53,384,173
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<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (209,051)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 83,494
<NUMBER-OF-SHARES-REDEEMED> (41,689)
<SHARES-REINVESTED> 12,244
<NET-CHANGE-IN-ASSETS> 21,823,630
<ACCUMULATED-NII-PRIOR> (5,921,762)
<ACCUMULATED-GAINS-PRIOR> 48,385,089
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (3,722,071)
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> (7,118,624)
<AVERAGE-NET-ASSETS> 3,548,589
<PER-SHARE-NAV-BEGIN> 17.09
<PER-SHARE-NII> (0.20)
<PER-SHARE-GAIN-APPREC> 1.14
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> (1.04)
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.99
<EXPENSE-RATIO> 1.79
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
MSDW GROWTH FUND
CLASS D
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 611,793,890
<INVESTMENTS-AT-VALUE> 940,594,738
<RECEIVABLES> 9,089,874
<ASSETS-OTHER> 78,841
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 949,763,453
<PAYABLE-FOR-SECURITIES> (3,696,408)
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> (1,592,940)
<TOTAL-LIABILITIES> (5,289,348)
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 559,834,380
<SHARES-COMMON-STOCK> 128,899
<SHARES-COMMON-PRIOR> 89,760
<ACCUMULATED-NII-CURRENT> (4,288,691)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 60,127,568
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 328,800,848
<NET-ASSETS> 944,474,105
<DIVIDEND-INCOME> 2,642,624
<INTEREST-INCOME> 187,309
<OTHER-INCOME> 0
<EXPENSES-NET> (7,118,624)
<NET-INVESTMENT-INCOME> (4,288,691)
<REALIZED-GAINS-CURRENT> 66,956,237
<APPREC-INCREASE-CURRENT> (9,283,373)
<NET-CHANGE-FROM-OPS> 53,384,173
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<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (42,125)
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<NUMBER-OF-SHARES-SOLD> 249,829
<NUMBER-OF-SHARES-REDEEMED> (211,138)
<SHARES-REINVESTED> 448
<NET-CHANGE-IN-ASSETS> 21,823,630
<ACCUMULATED-NII-PRIOR> (5,921,762)
<ACCUMULATED-GAINS-PRIOR> 48,385,089
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> (3,722,071)
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<GROSS-EXPENSE> (7,118,624)
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<PER-SHARE-NAV-BEGIN> 17.41
<PER-SHARE-NII> (0.05)
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<RETURNS-OF-CAPITAL> 0
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<EXPENSE-RATIO> 0.90
.
</TABLE>
<TABLE>
<CAPTION>
EXHIBIT 77(O) MORGAN STANLEY DEAN WITTER GROWTH FUND
10f-3 transactions for the period April 1, 1999 - October 20, 1999
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TOTAL
ISSUED/
DATE PRICE SHARES % of PRINCIPAL PURCHASED
SECURITY PURCHASED SHARE PURCHASED Assets AMOUNT BY FUND BROKER(S)
Ask Jeeves 06/30/99 $ 14.00 6,300 0.010% $ 42,000,000.00 0.210% BancBoston Robertson Stephens
Brocade Communications Systems
05/24/99 $ 19.00 3,200 0.010% $ 61,750,000.00 0.098% BT Alex Brown
Clear Channel Communication
05/19/99 $ 70.625 30,300 0.290% $1,412,500,000.00 0.218% BT ALex Brown
Copper Mountain 05/12/99 $ 21.00 4,200 0.000% $ 84,000,000.00 0.106% BancBoston Robertson Stephens
Destia Communications05/05/99 $ 10.00 1,400 0.000% $ 65,000,000.00 0.022$ Lehman Brothers
DLJ Direct 06/26/99 $ 20.00 11,200 0.030% $320,000,000.00 0.070% Donaldson,Lufkin & Jenrette
iXL Enterprises Inc. 06/02/99 $ 12.00 16,500 0.020% $ 72,000,000.00 0.268% Donaldson,Lufkin & Jenrette
Marimba 04/29/99 $ 20.00 5,000 0.010% $ 80,000,000.00 0.126% Hambrecht & Quist
Media Metrix Inc. 05/07/99 $ 17.00 4,800 0.010% $ 61,000,000.00 0.160% Thomas Weisel Partners
Mpath Interactive 04/29/99 $ 18.00 8,300 0.010% $ 70,200,000.00 0.213% BancBoston Rbertson Stephens
NETObjects 05/07/99 $ 12.00 23,400 0.030% $ 72,000,000.00 0.390% BancBoston Robertson Stephens
Wesco International 05/11/99 $ 18.00 85,900 0.170% $175,050,000.00 0.883% ING Baring Furman Selz
Acme Communications 09/30/99 $ 23.00 25,500 0.060% $115,000,000.00 0.510% Deutsche Banc Alex Brown
Agile Software 08/19/99 $ 21.00 1,400 0.000% $ 63,000,000.00 0.047% Deutsche Banc Alex Brown
Aironet Wireless 07/30/99 $ 11.00 2,900 0.000% $ 66,000,000.00 0.048% CIBC Oppenheimer
Audible 07/15/99 $ 9.00 200 0.002% $ 36,000,000.00 0.005% Credit Suisse First Boston
Digital Insight 09/30/99 $ 15.00 1,600 0.000% $ 52,500,000.00 0.046% Deutsche Banc Alex Brown
Focal Communications 07/28/99 $ 13.00 17,100 0.020% $129,350,000.00 0.190% Salomon Smith Barney
Genentech Inc. 07/20/99 $ 97.00 23,400 0.170% $1,940,000,000.00 0.117% J.P. Morgan
Homestore.com 08/05/99 $ 20.00 1,500 0.000% $140,000,000.00 0.021% Merrill Lynch
Inktomi Corporation 08/05/99 $ 92.19 19,900 0.200% $304,218,750.00 0.600% Goldman Sachs
Insight Communications
07/21/99 $ 24.50 21,300 0.050% $563,500,000.00 0.104% Donaldson,Lufkin & Jenrette
Internet Initiative Japan
08/04/99 $ 23.00 5,800 0.001% $164,680,000.00 0.088% Goldman Sachs
IXNET Inc. 08/12/99 $ 15.00 150,300 0.250% $ 97,500,000.00 2.312% Salomon Smith Barney
Net2Phone 07/29/99 $ 15.00 1,500 0.000% $ 81,000,000.00 0.031% Deutsche Banc Alex Brown
Ravisent Technologies07/15/99 $ 12.00 14,800 0.020% $ 60,000,000.00 0.296% Volpe, Brown, Whelon & Co.
Red Hot 08/11/99 $ 14.00 24,800 0.060% $ 84,000,000.00 0.413% Thomas Weisel Partners LLC
Salem Communications Corporation
07/01/99 $ 22.50 25,000 0.060% $189,000,000.00 0.333% Salomon Smith Barney
Telechom Elreann 07/07/99 $ 15.99 7,100 0.010% $799,500,000.00 0.014% Merrill Lynch & Co.
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