<PAGE> PAGE 1
000 A000000 06/30/1999
000 C000000 0876606
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
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
014 A000001 DELETE
014 A000002 DELETE
014 A000003 DELETE
018 000000 Y
019 A000000 Y
019 B000000 13
019 C000000 COLUMBIAFD
020 A000001 GOLDMAN SACHS & CO
020 B000001 135108880
020 C000001 84
020 A000002 MONTGOMERY SECURITIES
020 B000002 941701676
020 C000002 76
020 A000003 BEAR STEARNS & CO
020 B000003 133299429
020 C000003 70
020 A000004 LEHMAN BROTHERS, INC.
020 B000004 132518466
020 C000004 65
020 A000005 MORGAN (JP) SECURITIES
020 B000005 133224016
020 C000005 58
020 A000006 MERRILL LYNCH
020 B000006 135674085
020 C000006 56
020 A000007 MORGAN STANLEY & CO
020 B000007 132655998
020 C000007 38
020 A000008 FURMAN SELZ LLC
<PAGE> PAGE 2
020 B000008 132753731
020 C000008 37
020 A000009 DEUTSCHE MORGAN GRENFELL
020 B000009 132730828
020 C000009 35
020 A000010 ABN AMRO SECURITIES
020 B000010 133227945
020 C000010 21
021 000000 829
022 A000001 MERRILL LYNCH
022 B000001 135674085
022 C000001 25547
022 D000001 10357
022 A000002 GOLDMAN SACHS & CO
022 B000002 135108880
022 C000002 8942
022 D000002 12474
022 A000003 MORGAN STANLEY & CO.
022 B000003 132655998
022 C000003 11371
022 D000003 4813
022 A000004 FIRST BOSTON (CREDIT SUISSE) CORP
022 B000004 135659485
022 C000004 3758
022 D000004 9285
022 A000005 SMITH BARNEY, INC.
022 B000005 131912900
022 C000005 5514
022 D000005 3939
022 A000006 BEAR STEARNS SECURITIES
022 B000006 133299429
022 C000006 7331
022 D000006 231
022 A000007 LEHMAN BROTHERS, INC.
022 B000007 132518466
022 C000007 2913
022 D000007 0
022 A000008 PAINE WEBBER JACKSON & CURTIS
022 B000008 132638166
022 C000008 2728
022 D000008 0
022 A000009 MONTGOMERY SECURITIES
022 B000009 941701676
022 C000009 1923
022 D000009 0
022 A000010 SHERWOOD SECURITIES/BROADCORT
022 B000010 132616318
022 C000010 0
022 D000010 1855
023 C000000 72389
023 D000000 44414
<PAGE> PAGE 3
024 000000 Y
025 A000001 GOLDMAN SACHS & CO
025 B000001 135108880
025 C000001 E
025 D000001 405
025 A000002 MORGAN STANLEY
025 B000002 132655998
025 C000002 E
025 D000002 8713
025 D000003 0
025 D000004 0
025 D000005 0
025 D000006 0
025 D000007 0
025 D000008 0
028 A010000 49142
028 A020000 0
028 A030000 0
028 A040000 27620
028 B010000 40187
028 B020000 0
028 B030000 0
028 B040000 37450
028 C010000 25791
028 C020000 631
028 C030000 0
028 C040000 77368
028 D010000 26765
028 D020000 0
028 D030000 0
028 D040000 15074
028 E010000 16544
028 E020000 0
028 E030000 0
028 E040000 20281
028 F010000 20674
028 F020000 314
028 F030000 0
028 F040000 23401
028 G010000 179103
028 G020000 945
028 G030000 0
028 G040000 201194
028 H000000 0
055 A000000 N
055 B000000 N
056 000000 N
057 000000 N
062 A000000 N
062 B000000 0.0
062 C000000 0.0
<PAGE> PAGE 4
062 D000000 0.0
062 E000000 0.0
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
071 A000000 448434
071 B000000 477207
071 C000000 816859
071 D000000 55
072 A000000 6
072 B000000 734
072 C000000 3183
072 D000000 0
072 E000000 0
072 F000000 2522
072 G000000 0
072 H000000 95
072 I000000 384
072 J000000 27
072 K000000 48
072 L000000 54
072 M000000 4
072 N000000 8
072 O000000 0
072 P000000 0
072 Q000000 0
072 R000000 12
072 S000000 3
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 28
072 X000000 3185
072 Y000000 0
072 Z000000 732
072AA000000 87746
072BB000000 11375
072CC010000 33011
072CC020000 0
072DD010000 959
072DD020000 0
<PAGE> PAGE 5
072EE000000 0
073 A010000 0.0300
073 A020000 0.0000
073 B000000 0.0000
073 C000000 0.0000
074 A000000 0
074 B000000 26334
074 C000000 0
074 D000000 0
074 E000000 0
074 F000000 867257
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 0
074 K000000 0
074 L000000 1758
074 M000000 0
074 N000000 895349
074 O000000 8783
074 P000000 421
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 988
074 S000000 0
074 T000000 885157
074 U010000 31932
074 U020000 0
074 V010000 27.72
074 V020000 0.00
074 W000000 0.0000
074 X000000 27882
074 Y000000 0
075 A000000 0
075 B000000 841262
076 000000 0.00
077 A000000 N
078 000000 N
080 A000000 ICI MUTUAL INSURANCE CO.
080 C000000 15000
081 A000000 Y
081 B000000 16
082 A000000 Y
082 B000000 100
SIGNATURE J. JERRY INSKEEP, JR.
TITLE 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 JUNE 30, 1999, AND
THE AUDITED ANNUAL REPORT OF THE COLUMBIA FUNDS DATED DECEMBER 31, 1998,
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-31-1999
<PERIOD-START> JAN-01-1999
<PERIOD-END> JUN-30-1999
<INVESTMENTS-AT-COST> 606,412,151
<INVESTMENTS-AT-VALUE> 867,256,979
<RECEIVABLES> 1,758,000
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 26,333,731
<TOTAL-ASSETS> 895,348,710
<PAYABLE-FOR-SECURITIES> 8,782,657
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,409,515
<TOTAL-LIABILITIES> 10,192,172
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 550,901,426
<SHARES-COMMON-STOCK> 31,931,859
<SHARES-COMMON-PRIOR> 32,670,725
<ACCUMULATED-NII-CURRENT> (71,170)
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 73,481,454
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 260,844,828
<NET-ASSETS> 885,156,538
<DIVIDEND-INCOME> 3,183,589
<INTEREST-INCOME> 733,946
<OTHER-INCOME> 0
<EXPENSES-NET> 3,185,118
<NET-INVESTMENT-INCOME> 732,417
<REALIZED-GAINS-CURRENT> 76,370,539
<APPREC-INCREASE-CURRENT> 33,011,262
<NET-CHANGE-FROM-OPS> 110,114,218
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 958,992
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 7,000,951
<NUMBER-OF-SHARES-REDEEMED> 7,775,267
<SHARES-REINVESTED> 35,450
<NET-CHANGE-IN-ASSETS> 88,009,973
<ACCUMULATED-NII-PRIOR> 155,405
<ACCUMULATED-GAINS-PRIOR> (2,889,085)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 2,522,203
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 3,185,118
<AVERAGE-NET-ASSETS> 841,262,484
<PER-SHARE-NAV-BEGIN> 24.40
<PER-SHARE-NII> .03
<PER-SHARE-GAIN-APPREC> 3.32
<PER-SHARE-DIVIDEND> .03
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 27.72
<EXPENSE-RATIO> .76
</TABLE>
