<PAGE> PAGE 1
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000 C000000 894192
000 D000000 N
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000 J000000 A
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007 C010300 3
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007 C010400 4
007 C010500 5
007 C010600 6
007 C010700 7
007 C010800 8
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008 D01AA01 BIRMINGHAM
008 D02AA01 MI
008 D03AA01 48009
008 D04AA01 3043
010 A00AA01 THE SHAREHOLDER SERVICES GROUP, INC.
010 B00AA01 84-999
010 C01AA01 BOSTON
010 C02AA01 MA
010 C03AA01 02109
010 A00AA02 FUNDS DISTRIBUTOR, INC.
<PAGE> PAGE 2
010 C01AA02 BOSTON
010 C02AA02 MA
010 C03AA02 02109
011 A00AA01 FUNDS DISTRIBUTOR, INC.
011 B00AA01 8-20518
011 C01AA01 BOSTON
011 C02AA01 MA
011 C03AA01 02109
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012 C03AA01 02109
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013 B01AA01 BOSTON
013 B02AA01 MA
013 B03AA01 02116
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014 B00AA01 8-999
015 A00AA01 DELETE
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020 A000004 LEHMAN BROS.
020 C000004 4
020 A000005 SMITH BARNEY
020 C000005 4
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<PAGE> PAGE 3
020 C000008 3
020 A000009 C.S. FIRST BOSTON
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020 C000009 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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<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 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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SIGNATURE LISA A. ROSEN
TITLE ASSISTANT SECRETARY
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
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<NAME> MUNDER MONEY MARKET CLASS B
<S> <C>
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<GROSS-ADVISORY-FEES> 513,942
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 856,016
<AVERAGE-NET-ASSETS> 483,710
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.02
<PER-SHARE-GAIN-APPREC> (0.00)
<PER-SHARE-DIVIDEND> (0.02)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 1.60
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 2
<NAME> MUNDER MONEY MARKET CLASS Y
<S> <C>
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<FISCAL-YEAR-END> JUN-30-1995
<PERIOD-END> JUN-30-1995
<INVESTMENTS-AT-COST> 263,912,102
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<OTHER-ITEMS-ASSETS> 114,138
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<TOTAL-LIABILITIES> 327,365
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 263,513,468
<SHARES-COMMON-STOCK> 263,513,468
<SHARES-COMMON-PRIOR> 145,684,941
<ACCUMULATED-NII-CURRENT> 0
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<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 263,513,468
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 7,788,644
<OTHER-INCOME> 0
<EXPENSES-NET> 773,287
<NET-INVESTMENT-INCOME> 7,015,357
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 7,015,357
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<DISTRIBUTIONS-OF-INCOME> (7,004,825)
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<NUMBER-OF-SHARES-SOLD> 301,836,119
<NUMBER-OF-SHARES-REDEEMED> (190,765,202)
<SHARES-REINVESTED> 6,757,610
<NET-CHANGE-IN-ASSETS> 117,698,815
<ACCUMULATED-NII-PRIOR> 0
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<GROSS-ADVISORY-FEES> 513,942
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 856,016
<AVERAGE-NET-ASSETS> 258,616,896
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.02
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.02)
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<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.60
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 1
<NAME> MUNDER MULTI-SEASON GROWTH CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-1995
<PERIOD-END> JUN-30-1995
<INVESTMENTS-AT-COST> 223,082,230
<INVESTMENTS-AT-VALUE> 259,683,945
<RECEIVABLES> 1,803,495
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 168,169
<TOTAL-ASSETS> 261,655,609
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<OTHER-ITEMS-LIABILITIES> 741,558
<TOTAL-LIABILITIES> 2,319,708
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 8,087,234
<SHARES-COMMON-STOCK> 782,951
<SHARES-COMMON-PRIOR> 272,602
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (538,667)
<ACCUM-APPREC-OR-DEPREC> 36,601,715
<NET-ASSETS> 9,409,128
<DIVIDEND-INCOME> 481,051
<INTEREST-INCOME> 196,023
<OTHER-INCOME> 0
<EXPENSES-NET> 761,209
<NET-INVESTMENT-INCOME> (84,135)
<REALIZED-GAINS-CURRENT> (142,640)
<APPREC-INCREASE-CURRENT> 34,935,080
<NET-CHANGE-FROM-OPS> 34,708,305
<EQUALIZATION> 0
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<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER>
<NUMBER-OF-SHARES-SOLD> 521,193
<NUMBER-OF-SHARES-REDEEMED> (10,844)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 204,642,181
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (396,027)
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<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 873,873
<AVERAGE-NET-ASSETS> 3,323,100
<PER-SHARE-NAV-BEGIN> 10.38
<PER-SHARE-NII> 0.01
<PER-SHARE-GAIN-APPREC> 1.63
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 12.02
<EXPENSE-RATIO> 1.65
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 1
<NAME> MUNDER MULTI-SEASON GROWTH CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-1995
<PERIOD-END> JUN-30-1995
<INVESTMENTS-AT-COST> 223,082,230
<INVESTMENTS-AT-VALUE> 259,683,945
<RECEIVABLES> 1,803,495
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 168,169
<TOTAL-ASSETS> 261,655,609
<PAYABLE-FOR-SECURITIES> 1,578,150
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<OTHER-ITEMS-LIABILITIES> 741,558
<TOTAL-LIABILITIES> 2,319,708
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 45,855,454
<SHARES-COMMON-STOCK> 4,585,353
<SHARES-COMMON-PRIOR> 4,531,522
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (538,667)
<ACCUM-APPREC-OR-DEPREC> 36,601,715
<NET-ASSETS> 54,348,838
<DIVIDEND-INCOME> 481,051
<INTEREST-INCOME> 196,023
<OTHER-INCOME> 0
<EXPENSES-NET> 761,209
<NET-INVESTMENT-INCOME> (84,135)
<REALIZED-GAINS-CURRENT> (142,640)
<APPREC-INCREASE-CURRENT> 34,935,080
<NET-CHANGE-FROM-OPS> 34,708,305
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER>
<NUMBER-OF-SHARES-SOLD> 283,301
<NUMBER-OF-SHARES-REDEEMED> (229,470)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 204,642,181
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (396,027)
<GROSS-ADVISORY-FEES> 350,660
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 873,873
<AVERAGE-NET-ASSETS> 50,384,372
<PER-SHARE-NAV-BEGIN> 10.27
<PER-SHARE-NII> (0.03)
<PER-SHARE-GAIN-APPREC> 1.61
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 11.85
<EXPENSE-RATIO> 2.40
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 1
<NAME> MUNDER MULTI-SEASON GROWTH CLASS C
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-1995
<PERIOD-END> JUN-30-1995
<INVESTMENTS-AT-COST> 223,082,230
<INVESTMENTS-AT-VALUE> 259,683,945
<RECEIVABLES> 1,803,495
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 168,169
<TOTAL-ASSETS> 261,655,609
<PAYABLE-FOR-SECURITIES> 1,578,150
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 741,558
<TOTAL-LIABILITIES> 2,319,708
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 2,876,705
<SHARES-COMMON-STOCK> 270,303
<SHARES-COMMON-PRIOR> 201,403
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (538,667)
<ACCUM-APPREC-OR-DEPREC> 36,601,715
<NET-ASSETS> 3,207,076
<DIVIDEND-INCOME> 481,051
<INTEREST-INCOME> 196,023
<OTHER-INCOME> 0
<EXPENSES-NET> 761,209
<NET-INVESTMENT-INCOME> (84,135)
<REALIZED-GAINS-CURRENT> (142,640)
<APPREC-INCREASE-CURRENT> 34,935,080
<NET-CHANGE-FROM-OPS> 34,708,305
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER>
<NUMBER-OF-SHARES-SOLD> 83,482
<NUMBER-OF-SHARES-REDEEMED> (14,582)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 204,642,181
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (396,027)
<GROSS-ADVISORY-FEES> 350,660
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 873,873
<AVERAGE-NET-ASSETS> 2,545,012
<PER-SHARE-NAV-BEGIN> 10.28
<PER-SHARE-NII> (0.02)
<PER-SHARE-GAIN-APPREC> 1.60
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 11.86
<EXPENSE-RATIO> 2.40
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 1
<NAME> MUNDER MULTI-SEASON GROWTH CLASS K
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-1995
<PERIOD-END> JUN-30-1995
<INVESTMENTS-AT-COST> 223,082,230
<INVESTMENTS-AT-VALUE> 259,683,945
<RECEIVABLES> 1,803,495
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 168,169
<TOTAL-ASSETS> 261,655,609
<PAYABLE-FOR-SECURITIES> 1,578,150
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 741,558
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<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 90,381,688
<SHARES-COMMON-STOCK> 8,718,586
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (538,667)
<ACCUM-APPREC-OR-DEPREC> 36,601,715
<NET-ASSETS> 104,767,401
<DIVIDEND-INCOME> 481,051
<INTEREST-INCOME> 196,023
<OTHER-INCOME> 0
<EXPENSES-NET> 761,209
<NET-INVESTMENT-INCOME> (84,135)
<REALIZED-GAINS-CURRENT> (142,640)
<APPREC-INCREASE-CURRENT> 34,935,080
<NET-CHANGE-FROM-OPS> 34,708,305
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<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER>
<NUMBER-OF-SHARES-SOLD> 8,765,658
<NUMBER-OF-SHARES-REDEEMED> (47,072)
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<NET-CHANGE-IN-ASSETS> 204,642,181
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (396,027)
<GROSS-ADVISORY-FEES> 350,660
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 873,873
<AVERAGE-NET-ASSETS> 4,062,332
<PER-SHARE-NAV-BEGIN> 12.20
<PER-SHARE-NII> 0.00
<PER-SHARE-GAIN-APPREC> (0.18)
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 12.02
<EXPENSE-RATIO> 1.20
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 1
<NAME> MUNDER MULTI-SEASON GROWTH CLASS Y
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-1995
<PERIOD-END> JUN-30-1995
<INVESTMENTS-AT-COST> 223,082,230
<INVESTMENTS-AT-VALUE> 259,683,945
<RECEIVABLES> 1,803,495
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<OTHER-ITEMS-ASSETS> 168,169
<TOTAL-ASSETS> 261,655,609
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<PAID-IN-CAPITAL-COMMON> 76,071,772
<SHARES-COMMON-STOCK> 7,240,314
<SHARES-COMMON-PRIOR> 311,058
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (538,667)
<ACCUM-APPREC-OR-DEPREC> 36,601,715
<NET-ASSETS> 87,603,458
<DIVIDEND-INCOME> 481,051
<INTEREST-INCOME> 196,023
<OTHER-INCOME> 0
<EXPENSES-NET> 761,209
<NET-INVESTMENT-INCOME> (84,135)
<REALIZED-GAINS-CURRENT> (142,640)
<APPREC-INCREASE-CURRENT> 34,935,080
<NET-CHANGE-FROM-OPS> 34,708,305
<EQUALIZATION> 0
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<DISTRIBUTIONS-OTHER>
<NUMBER-OF-SHARES-SOLD> 6,939,008
<NUMBER-OF-SHARES-REDEEMED> (9,752)
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 204,642,181
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> (396,027)
<GROSS-ADVISORY-FEES> 350,660
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 873,873
<AVERAGE-NET-ASSETS> 10,402,038
<PER-SHARE-NAV-BEGIN> 10.43
<PER-SHARE-NII> 0.00
<PER-SHARE-GAIN-APPREC> 1.67
<PER-SHARE-DIVIDEND> 0.00
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 12.10
<EXPENSE-RATIO> 1.40
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 3
<NAME> MUNDER REAL ESTATE EQUITY CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-1995
<PERIOD-END> JUN-30-1995
<INVESTMENTS-AT-COST> 6,468,168
<INVESTMENTS-AT-VALUE> 6,629,403
<RECEIVABLES> 52,025
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 80,055
<TOTAL-ASSETS> 6,761,483
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 53,472
<TOTAL-LIABILITIES> 53,472
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 215,041
<SHARES-COMMON-STOCK> 22,157
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 24,083
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (11,477)
<ACCUM-APPREC-OR-DEPREC> 161,235
<NET-ASSETS> 223,483
<DIVIDEND-INCOME> 147,044
<INTEREST-INCOME> 37,632
<OTHER-INCOME> 0
<EXPENSES-NET> 43,406
<NET-INVESTMENT-INCOME> 141,270
<REALIZED-GAINS-CURRENT> (11,477)
<APPREC-INCREASE-CURRENT> 161,235
<NET-CHANGE-FROM-OPS> 291,028
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (5,335)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER>
<NUMBER-OF-SHARES-SOLD> 23,716
<NUMBER-OF-SHARES-REDEEMED> (1,660)
<SHARES-REINVESTED> 101
<NET-CHANGE-IN-ASSETS> 6,708,011
<ACCUMULATED-NII-PRIOR> 0
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<OVERDISTRIB-NII-PRIOR> 0
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<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 205,492
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<PER-SHARE-NAV-BEGIN> 10.00
<PER-SHARE-NII> 0.36
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<PER-SHARE-DIVIDEND> (0.34)
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<PER-SHARE-NAV-END> 10.09
<EXPENSE-RATIO> 1.50
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 3
<NAME> MUNDER REAL ESTATE EQUITY CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-1995
<PERIOD-END> JUN-30-1995
<INVESTMENTS-AT-COST> 6,468,168
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<TOTAL-ASSETS> 6,761,483
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<OTHER-ITEMS-LIABILITIES> 53,472
<TOTAL-LIABILITIES> 53,472
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1,454,795
<SHARES-COMMON-STOCK> 148,305
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 24,083
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 0
<OVERDISTRIBUTION-GAINS> (11,477)
<ACCUM-APPREC-OR-DEPREC> 161,235
<NET-ASSETS> 1,495,868
<DIVIDEND-INCOME> 147,044
<INTEREST-INCOME> 37,632
<OTHER-INCOME> 0
<EXPENSES-NET> 43,406
<NET-INVESTMENT-INCOME> 141,270
<REALIZED-GAINS-CURRENT> (11,477)
<APPREC-INCREASE-CURRENT> 161,235
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<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (30,454)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER>
<NUMBER-OF-SHARES-SOLD> 149,848
<NUMBER-OF-SHARES-REDEEMED> (1,547)
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<NET-CHANGE-IN-ASSETS> 6,708,011
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<GROSS-EXPENSE> 205,492
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<PER-SHARE-NAV-BEGIN> 10.00
<PER-SHARE-NII> 0.30
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<PER-SHARE-DIVIDEND> (0.28)
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<PER-SHARE-NAV-END> 10.09
<EXPENSE-RATIO> 2.25
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.
<TABLE> <S> <C>
<ARTICLE> 6
<SERIES>
<NUMBER> 3
<NAME> MUNDER REAL ESTATE EQUITY CLASS Y
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> JUN-30-1995
<PERIOD-END> JUN-30-1995
<INVESTMENTS-AT-COST> 6,468,168
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<OVERDISTRIBUTION-GAINS> (11,477)
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<REALIZED-GAINS-CURRENT> (11,477)
<APPREC-INCREASE-CURRENT> 161,235
<NET-CHANGE-FROM-OPS> 291,028
<EQUALIZATION> 0
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<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER>
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<NUMBER-OF-SHARES-REDEEMED> (31,121)
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<NET-CHANGE-IN-ASSETS> 6,708,011
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
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<PER-SHARE-NAV-END> 10.09
<EXPENSE-RATIO> 1.25
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
