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000 A000000 06/30/98
000 C000000 0876606
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0.a
000 J000000 U
001 A000000 COLUMBIA COMMON STOCK FUND, INC.
001 B000000 811-6341
001 C000000 5032223600
002 A000000 1301 SW FIFTH AVENUE
002 B000000 PORTLAND
002 C000000 OR
002 D010000 97201
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
013 A000001 PRICE WATERHOUSE COOPERS
013 B010001 PORTLAND
013 B020001 OR
013 B030001 97201
020 A000001 MONTGOMERY SECURITES
020 B000001 941701676
020 C000001 197
020 A000002 MORGAN (JP) SECURITIES
020 B000002 133224016
020 C000002 143
020 A000003 LEHMAN BROTHERS
020 B000003 132518466
020 C000003 107
020 A000004 GOLDMAN SACHS & CO
020 B000004 135108880
020 C000004 106
020 A000005 FIRST BOSTON CORP
020 B000005 135659485
020 C000005 90
020 A000006 BROWN ALEX & SONS INC
020 B000006 521319768
020 C000006 60
020 A000007 MERRILL LYNCH PIERCE FENNER
020 B000007 135674085
020 C000007 56
020 A000008 DONALDSON LUFKIN & JENRETTE
020 B000008 132741729
020 C000008 56
020 A000009 MORGAN STANLEY & CO INC
<PAGE> PAGE 2
020 B000009 132655998
020 C000009 48
020 A000010 DEUTSCHE BANK SECURITIES
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020 C000010 40
021 000000 1491
022 A000001 GOLDMAN SACHS & CO
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022 C000001 21707
022 D000001 22255
022 A000002 MORGAN STANLEY & CO INC
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022 D000002 13369
022 A000003 MERRILL LYNCH PIERCE FENNER
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022 C000003 10465
022 D000003 17203
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022 D000004 0
022 A000005 DONALDSON LUFKIN & JENRETTE
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022 C000005 0
022 D000005 10088
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022 C000006 6236
022 D000006 4687
022 A000007 SMITH BARNEY SHEARSON
022 B000007 131912900
022 C000007 10074
022 D000007 0
022 A000008 ROBERTSON STEPHENS & CO
022 B000008 942524501
022 C000008 9642
022 D000008 0
022 A000009 ABN AMRO CHICAGO CORP
022 B000009 133227945
022 C000009 8830
022 D000009 0
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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 J. JERRY INSKEEP, JR.
TITLE PRESIDENT
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED SEMIANNUAL REPORT OF THE COLUMBIA FUNDS DATED 06/30/98, AND THE
AUDITED ANNUAL REPORT OF THE COLUMBIA FUNDS DATED 12/31/97, AND IS QUALIFIED IN
ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000876606
<NAME> COLUMBIA COMMON STOCK FUND INC
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1998
<PERIOD-START> JAN-01-1998
<PERIOD-END> JUN-30-1998
<INVESTMENTS-AT-COST> 703,693,351
<INVESTMENTS-AT-VALUE> 892,851,539
<RECEIVABLES> 6,735,319
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 36,203,710
<TOTAL-ASSETS> 935,790,568
<PAYABLE-FOR-SECURITIES> 13,421,332
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,109,811
<TOTAL-LIABILITIES> 14,531,143
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 656,174,184
<SHARES-COMMON-STOCK> 36,284,129
<SHARES-COMMON-PRIOR> 35,603,323
<ACCUMULATED-NII-CURRENT> 1,855,343
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 74,071,710
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 189,158,188
<NET-ASSETS> 921,259,425
<DIVIDEND-INCOME> 5,264,154
<INTEREST-INCOME> 1,269,993
<OTHER-INCOME> 0
<EXPENSES-NET> 3,296,177
<NET-INVESTMENT-INCOME> 3,237,970
<REALIZED-GAINS-CURRENT> 73,273,622
<APPREC-INCREASE-CURRENT> 51,289,077
<NET-CHANGE-FROM-OPS> 127,800,669
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 2,919,990
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 7,399,015
<NUMBER-OF-SHARES-REDEEMED> 6,834,619
<SHARES-REINVESTED> 116,410
<NET-CHANGE-IN-ASSETS> 137,353,606
<ACCUMULATED-NII-PRIOR> 1,537,363
<ACCUMULATED-GAINS-PRIOR> 798,088
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,612,332
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,296,177
<AVERAGE-NET-ASSETS> 871,853,847
<PER-SHARE-NAV-BEGIN> 22.02
<PER-SHARE-NII> .09
<PER-SHARE-GAIN-APPREC> 3.36
<PER-SHARE-DIVIDEND> .08
<PER-SHARE-DISTRIBUTIONS> 0
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<PER-SHARE-NAV-END> 25.39
<EXPENSE-RATIO> .76
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
