<PAGE> PAGE 1
000 A000000 06/30/96
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
020 A000001 MONTGOMERY SECURITIES
020 B000001 941701676
020 C000001 95
020 A000002 LEHMAN BROTHERS
020 B000002 132518466
020 C000002 79
020 A000003 MORGAN STANLEY & CO.
020 B000003 132655998
020 C000003 48
020 A000004 GOLDMAN SACHS & CO.
020 B000004 135108880
020 C000004 47
020 A000005 FIRST BOSTON CORP. (THE)
020 B000005 135659485
020 C000005 40
020 A000006 SMITH BARNEY, SHEARSON
020 B000006 131912900
020 C000006 38
020 A000007 PAINE WEBBER, INC.
020 B000007 132638166
020 C000007 35
020 A000008 MERRILL LYNCH, PIERCE
020 B000008 135674085
020 C000008 32
020 A000009 BEAR, STEARNS & CO.
020 B000009 133299429
020 C000009 26
020 A000010 DONALDSON, LUFKIN & JENRE
020 B000010 132741729
<PAGE> PAGE 2
020 C000010 21
021 000000 624
022 A000001 MORGAN STANLEY & CO., INC.
022 B000001 132655998
022 C000001 13163
022 D000001 7145
022 A000002 GOLDMAN, SACHS & CO.
022 B000002 135108880
022 C000002 9962
022 D000002 6078
022 A000003 SALOMON BROTHERS, INC.
022 B000003 133082694
022 C000003 5966
022 D000003 1033
022 A000004 FIRST BOSTON CORP. (THE)
022 B000004 135659485
022 C000004 3650
022 D000004 2934
022 A000005 CANTOR, FITZGERALD & CO.
022 B000005 951786286
022 C000005 0
022 D000005 5789
022 A000006 MERRILL LYNCH, PIERCE
022 B000006 135674085
022 C000006 4674
022 D000006 0
022 A000007 BEAR, STEARNS & CO.
022 B000007 133299429
022 C000007 3589
022 D000007 0
022 A000008 DEAN WITTER REYNOLDS, INC.
022 B000008 941671384
022 C000008 994
022 D000008 1007
022 A000009 HERZOG, HEINE, GEDULD, INC.
022 B000009 131955436
022 C000009 1595
022 D000009 0
022 A000010 MONTGOMERY SECURITIES
022 B000010 941701676
022 C000010 1063
022 D000010 0
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023 D000000 23985
024 000000 Y
025 A000001 MORGAN STANLEY & CO.
025 B000001 132655998
025 C000001 E
025 D000001 5861
025 A000002 MORGAN (JP) & CO.
025 B000002 133224016
<PAGE> PAGE 3
025 C000002 E
025 D000002 6288
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025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
028 A010000 19727
028 A020000 0
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028 A040000 7101
028 B010000 19043
028 B020000 0
028 B030000 0
028 B040000 13532
028 C010000 11267
028 C020000 805
028 C030000 0
028 C040000 5109
028 D010000 15761
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028 D040000 5764
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028 E040000 5339
028 F010000 8540
028 F020000 1275
028 F030000 0
028 F040000 7978
028 G010000 88510
028 G020000 2080
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028 G040000 44823
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062 A000000 N
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<PAGE> PAGE 4
062 O000000 0.0
062 P000000 0.0
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071 A000000 291294
071 B000000 243363
071 C000000 400215
071 D000000 61
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072 Z000000 2442
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072CC010000 0
072CC020000 8230
072DD010000 2121
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073 A010000 0.1000
073 A020000 0.0000
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<PAGE> PAGE 5
074 G000000 0
074 H000000 0
074 I000000 0
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074 M000000 0
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074 O000000 7944
074 P000000 217
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078 000000 N
SIGNATURE GEORGE HANSETH
TITLE SR VICE PRESIDENT
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
UNAUDITED SEMI-ANNUAL REPORT OF THE COLUMBIA FUNDS DATED 06/30/96, AND THE
AUDITED ANNUAL REPORT OF THE COLUMBIA FUNDS DATED 12/31/95, 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-31-1996
<PERIOD-START> JAN-01-1996
<PERIOD-END> JUN-30-1996
<INVESTMENTS-AT-COST> 393,182,133
<INVESTMENTS-AT-VALUE> 437,308,281
<RECEIVABLES> 4,903,109
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 9,669,190
<TOTAL-ASSETS> 451,880,580
<PAYABLE-FOR-SECURITIES> 7,943,547
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 3,554,968
<TOTAL-LIABILITIES> 11,498,515
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 351,580,317
<SHARES-COMMON-STOCK> 21,655,479
<SHARES-COMMON-PRIOR> 19,288,675
<ACCUMULATED-NII-CURRENT> 717,584
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 43,958,016
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 44,126,148
<NET-ASSETS> 440,382,065
<DIVIDEND-INCOME> 3,764,544
<INTEREST-INCOME> 140,095
<OTHER-INCOME> 0
<EXPENSES-NET> (1,462,214)
<NET-INVESTMENT-INCOME> 2,442,425
<REALIZED-GAINS-CURRENT> 44,000,912
<APPREC-INCREASE-CURRENT> (8,229,708)
<NET-CHANGE-FROM-OPS> 38,213,629
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (2,120,808)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 4,562,539
<NUMBER-OF-SHARES-REDEEMED> (2,299,550)
<SHARES-REINVESTED> 103,815
<NET-CHANGE-IN-ASSETS> 81,859,341
<ACCUMULATED-NII-PRIOR> 395,967
<ACCUMULATED-GAINS-PRIOR> (42,896)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,216,433
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,462,214
<AVERAGE-NET-ASSETS> 403,838,557
<PER-SHARE-NAV-BEGIN> 18.59
<PER-SHARE-NII> .11
<PER-SHARE-GAIN-APPREC> 1.74
<PER-SHARE-DIVIDEND> .10
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 20.34
<EXPENSE-RATIO> .72
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>
