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020 A000001 CALAMOS FINANCIAL SERVICES, INC.
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020 A000002 INSTINET CORPORATION
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020 A000003 ALEX, BROWN & SONS, INC.
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020 A000004 STANDARD & POORS SECURITIES, INC.
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<PAGE> PAGE 2
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020 A000006 LAZARD FRERES & CO.
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<PAGE> PAGE 3
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<PAGE> PAGE 4
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<PAGE> PAGE 6
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<PAGE> PAGE 7
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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 NANCY B. LYNN
TITLE VP COMPLIANCE
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<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
9/30/97 SEMI-ANNUAL REPORT AND IS QULAIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<SERIES>
<NUMBER> 1
<NAME> CALAMOS GROWTH & INCOME FUND
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<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM 9/30/97 SEMI-ANNUAL REPORT AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<SERIES>
<NUMBER> 2
<NAME> CALAMOS STRATEGIC INCOME FUND
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1997
<PERIOD-START> APR-01-1997
<PERIOD-END> SEP-30-1997
<INVESTMENTS-AT-COST> 612,261
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<OTHER-ITEMS-LIABILITIES> 9,453
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<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 1,057,107
<SHARES-COMMON-STOCK> 99,410
<SHARES-COMMON-PRIOR> 121,865
<ACCUMULATED-NII-CURRENT> 9,811
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (18,611)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 121,011
<NET-ASSETS> 1,169,317
<DIVIDEND-INCOME> (8)
<INTEREST-INCOME> 38,538
<OTHER-INCOME> 0
<EXPENSES-NET> 12,691
<NET-INVESTMENT-INCOME> 25,839
<REALIZED-GAINS-CURRENT> (7,888)
<APPREC-INCREASE-CURRENT> 110,506
<NET-CHANGE-FROM-OPS> 128,458
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (20,197)
<DISTRIBUTIONS-OF-GAINS> 0
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<NUMBER-OF-SHARES-SOLD> 2,034
<NUMBER-OF-SHARES-REDEEMED> 25,991
<SHARES-REINVESTED> 1,503
<NET-CHANGE-IN-ASSETS> (147,663)
<ACCUMULATED-NII-PRIOR> 4,168
<ACCUMULATED-GAINS-PRIOR> (10,723)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 4,759
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 35,061
<AVERAGE-NET-ASSETS> 1,256,294
<PER-SHARE-NAV-BEGIN> 10.81
<PER-SHARE-NII> 0.26
<PER-SHARE-GAIN-APPREC> 0.89
<PER-SHARE-DIVIDEND> 0.20
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 11.76
<EXPENSE-RATIO> 1.01
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM 9/30/97 SEMI-ANNUAL REPORT AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<SERIES>
<NUMBER> 3
<NAME> CALAMOS GROWTH FUND
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1997
<PERIOD-START> APR-01-1997
<PERIOD-END> SEP-30-1997
<INVESTMENTS-AT-COST> 7,628,757
<INVESTMENTS-AT-VALUE> 10,365,966
<RECEIVABLES> 101,402
<ASSETS-OTHER> 205,542
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 10,672,910
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 25,953
<TOTAL-LIABILITIES> 25,953
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 6,969,739
<SHARES-COMMON-STOCK> 431,749
<SHARES-COMMON-PRIOR> 389,944
<ACCUMULATED-NII-CURRENT> (57,570)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 997,579
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 2,737,209
<NET-ASSETS> 10,646,957
<DIVIDEND-INCOME> 19,953
<INTEREST-INCOME> 7,068
<OTHER-INCOME> 0
<EXPENSES-NET> 84,591
<NET-INVESTMENT-INCOME> (57,570)
<REALIZED-GAINS-CURRENT> 1,001,211
<APPREC-INCREASE-CURRENT> 2,338,094
<NET-CHANGE-FROM-OPS> 3,281,735
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 0
<DISTRIBUTIONS-OF-GAINS> (142,009)
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 141,445
<NUMBER-OF-SHARES-REDEEMED> 106,059
<SHARES-REINVESTED> 6,420
<NET-CHANGE-IN-ASSETS> 4,003,126
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 138,376
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 42,434
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 92,030
<AVERAGE-NET-ASSETS> 8,500,504
<PER-SHARE-NAV-BEGIN> 17.04
<PER-SHARE-NII> .07
<PER-SHARE-GAIN-APPREC> 7.89
<PER-SHARE-DIVIDEND> 0
<PER-SHARE-DISTRIBUTIONS> 0.34
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 24.66
<EXPENSE-RATIO> .98
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM 9/30/97 SEMI-ANNUAL REPORT AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<SERIES>
<NUMBER> 4
<NAME> CALAMOS CONVERTIBLE FUND
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1997
<PERIOD-START> APR-01-1997
<PERIOD-END> SEP-30-1997
<INVESTMENTS-AT-COST> 72,748,202
<INVESTMENTS-AT-VALUE> 81,186,161
<RECEIVABLES> 2,743,473
<ASSETS-OTHER> 467,601
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 84,427,235
<PAYABLE-FOR-SECURITIES> 813,604
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 161,567
<TOTAL-LIABILITIES> 975,171
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 71,182,869
<SHARES-COMMON-STOCK> 4,987,757
<SHARES-COMMON-PRIOR> 2,660,365
<ACCUMULATED-NII-CURRENT> 362,308
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 3,438,928
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 8,467,959
<NET-ASSETS> 83,452,063
<DIVIDEND-INCOME> 224,173
<INTEREST-INCOME> 1,043,592
<OTHER-INCOME> 436
<EXPENSES-NET> 403,528
<NET-INVESTMENT-INCOME> 864,620
<REALIZED-GAINS-CURRENT> 3,396,557
<APPREC-INCREASE-CURRENT> 4,989,575
<NET-CHANGE-FROM-OPS> 9,250,752
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 869,520
<DISTRIBUTIONS-OF-GAINS> 942,162
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,584,924
<NUMBER-OF-SHARES-REDEEMED> 317,490
<SHARES-REINVESTED> 59,273
<NET-CHANGE-IN-ASSETS> 44,407,437
<ACCUMULATED-NII-PRIOR> 367,208
<ACCUMULATED-GAINS-PRIOR> 984,533
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 231,443
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 773,582
<AVERAGE-NET-ASSETS> 44,374,433
<PER-SHARE-NAV-BEGIN> 14.68
<PER-SHARE-NII> 0.19
<PER-SHARE-GAIN-APPREC> 2.40
<PER-SHARE-DIVIDEND> 0.22
<PER-SHARE-DISTRIBUTIONS> 0.32
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 16.73
<EXPENSE-RATIO> 0.68
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM 9/30/97 SEMI-ANNUAL REPORT AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<SERIES>
<NUMBER> 5
<NAME> CALAMOS GLOBAL GROWTH & INCOME FUND
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1997
<PERIOD-START> APR-01-1997
<PERIOD-END> SEP-30-1997
<INVESTMENTS-AT-COST> 4,115,869
<INVESTMENTS-AT-VALUE> 4,742,918
<RECEIVABLES> 213,333
<ASSETS-OTHER> 131,222
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 5,087,474
<PAYABLE-FOR-SECURITIES> 65,801
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 4,662
<TOTAL-LIABILITIES> 70,462
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 4,238,642
<SHARES-COMMON-STOCK> 1,596,189
<SHARES-COMMON-PRIOR> 615,559
<ACCUMULATED-NII-CURRENT> 31,429
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 119,892
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 627,049
<NET-ASSETS> 5,017,011
<DIVIDEND-INCOME> 26,787
<INTEREST-INCOME> 47,249
<OTHER-INCOME> 70
<EXPENSES-NET> 44,401
<NET-INVESTMENT-INCOME> 29,705
<REALIZED-GAINS-CURRENT> 119,490
<APPREC-INCREASE-CURRENT> 572,900
<NET-CHANGE-FROM-OPS> 722,096
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 91,139
<DISTRIBUTIONS-OF-GAINS> 21,219
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 245,860
<NUMBER-OF-SHARES-REDEEMED> 76,609
<SHARES-REINVESTED> 17,769
<NET-CHANGE-IN-ASSETS> 1,701,190
<ACCUMULATED-NII-PRIOR> 92,862
<ACCUMULATED-GAINS-PRIOR> 21,623
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 21,630
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 49,340
<AVERAGE-NET-ASSETS> 3,873,779
<PER-SHARE-NAV-BEGIN> 5.39
<PER-SHARE-NII> 0.14
<PER-SHARE-GAIN-APPREC> 0.88
<PER-SHARE-DIVIDEND> 0.13
<PER-SHARE-DISTRIBUTIONS> 0.03
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 6.25
<EXPENSE-RATIO> 0.98
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
