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<PAGE> PAGE 2
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<PAGE> PAGE 3
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SIGNATURE JAMES O. YOST
TITLE ASSISTANT TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM THE FINANCIAL STATEMENTS OF MFS GROWTH
OPPORTUNITIES FUND CLASS A AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<SERIES>
<NUMBER>001
<NAME> MFS GROWTH OPPORTUNITIES FUND CLASS A
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1995
<PERIOD-END> JUN-30-1995
<INVESTMENTS-AT-COST> 551,443,000
<INVESTMENTS-AT-VALUE> 681,435,753
<RECEIVABLES> 2,754,672
<ASSETS-OTHER> 6,625
<OTHER-ITEMS-ASSETS> 25,399
<TOTAL-ASSETS> 684,222,449
<PAYABLE-FOR-SECURITIES> 7,679,060
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2,067,612
<TOTAL-LIABILITIES> 9,746,672
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 512,006,172
<SHARES-COMMON-STOCK> 54,824,336
<SHARES-COMMON-PRIOR> 57,936,082
<ACCUMULATED-NII-CURRENT> 401,875
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 32,223,428
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 129,844,302
<NET-ASSETS> 674,475,777
<DIVIDEND-INCOME> 3,760,345
<INTEREST-INCOME> 302,548
<OTHER-INCOME> 0
<EXPENSES-NET> 2,675,481
<NET-INVESTMENT-INCOME> 1,387,412
<REALIZED-GAINS-CURRENT> 34,944,319
<APPREC-INCREASE-CURRENT> 79,603,357
<NET-CHANGE-FROM-OPS> 114,550,246
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
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<SHARES-REINVESTED> 0
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<ACCUMULATED-NII-PRIOR> 0
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</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM THE FINANCIAL STATEMENTS OF MFS GROWTH
OPPORTUNITIES FUND CLASS B AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<SERIES>
<NUMBER>002
<NAME> MFS GROWTH OPPORTUNITIES FUND CLASS B
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1995
<PERIOD-END> JUN-30-1995
<INVESTMENTS-AT-COST> 551,443,000
<INVESTMENTS-AT-VALUE> 681,435,753
<RECEIVABLES> 2,754,672
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<TOTAL-ASSETS> 684,222,449
<PAYABLE-FOR-SECURITIES> 7,679,060
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 2,067,612
<TOTAL-LIABILITIES> 9,746,672
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 512,006,172
<SHARES-COMMON-STOCK> 482,412
<SHARES-COMMON-PRIOR> 314,010
<ACCUMULATED-NII-CURRENT> 401,875
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 32,223,428
<OVERDISTRIBUTION-GAINS> 0
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<DIVIDEND-INCOME> 3,760,345
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<OTHER-INCOME> 0
<EXPENSES-NET> 2,675,481
<NET-INVESTMENT-INCOME> 1,387,412
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<APPREC-INCREASE-CURRENT> 79,603,357
<NET-CHANGE-FROM-OPS> 114,550,246
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 337,721
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<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 82,049,415
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
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<OVERDIST-NET-GAINS-PRIOR> 2,720,891
<GROSS-ADVISORY-FEES> 1,344,175
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 2,983,260
<AVERAGE-NET-ASSETS> 4,250,700
<PER-SHARE-NAV-BEGIN> 10.08
<PER-SHARE-NII> (0.03)
<PER-SHARE-GAIN-APPREC> 1.98
<PER-SHARE-DIVIDEND> 0.00
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<PER-SHARE-NAV-END> 12.03
<EXPENSE-RATIO> 1.79
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<AVG-DEBT-PER-SHARE> 0
</TABLE>
