<PAGE> PAGE 1
000 A000000 09/30/1999
000 C000000 0000908186
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 6.1
000 J000000 A
001 A000000 AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
001 B000000 811-7820
001 C000000 8165315575
002 A000000 4500 MAIN STREET
002 B000000 KANSAS CITY
002 C000000 MO
002 D010000 64111
002 D020000 7709
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 Y
007 B000000 6
007 C010100 1
007 C020100 VALUE FUND
007 C030100 N
007 C010200 2
007 C020200 EQUITY INCOME FUND
007 C030200 N
007 C010300 3
007 C020300 REAL ESTATE FUND
007 C030300 N
007 C010400 4
007 C020400 SMALL CAP VALUE FUND
007 C030400 N
007 C010500 5
007 C020500 EQUITY INDEX FUND
007 C030500 N
007 C010600 6
007 C020600 LARGE CAP VALUE FUND
007 C030600 N
007 C010700 7
007 C010800 8
007 C010900 9
007 C011000 10
010 A00AA01 AMERICAN CENTURY SERVICES CORPORATION
010 B00AA01 84-1406
010 C01AA01 KANSAS CITY
010 C02AA01 MO
010 C03AA01 64111
010 C04AA01 7709
<PAGE> PAGE 2
010 A00AA02 FUNDS DISTRIBUTOR, INC.
010 B00AA02 8-20518
010 C01AA02 BOSTON
010 C02AA02 MA
010 C03AA02 02109
011 A00AA01 FUND DISTRIBUTORS, INC.
011 B00AA01 8-20518
011 C01AA01 BOSTON
011 C02AA01 MA
011 C03AA01 02109
011 A00AA02 AMERICAN CENTURY INVESTMENT SERVICES, INC.
011 B00AA02 8-35220
011 C01AA02 KANSAS CITY
011 C02AA02 MO
011 C03AA02 64111
011 C04AA02 7709
012 A00AA01 AMERICAN CENTURY SERVICES CORPORATION
012 B00AA01 84-1406
012 C01AA01 KANSAS CITY
012 C02AA01 MO
012 C03AA01 64141
012 C04AA01 7709
013 A00AA01 DELOITTE & TOUCHE LLP
013 B01AA01 KANSAS CITY
013 B02AA01 MO
013 B03AA01 64106
013 B04AA01 2232
014 A00AA01 AMERICAN CENTURY INVESTMENT SERVICES, INC.
014 B00AA01 8-35220
014 A00AA02 AMERICAN CENTURY BROKERAGE, INC.
014 B00AA02 8-50034
015 A00AA01 CHASE MANHATTAN BANK, N.A.
015 B00AA01 C
015 C01AA01 BROOKLYN
015 C02AA01 NY
015 C03AA01 11245
015 E01AA01 X
018 00AA00 Y
019 A00AA00 Y
019 B00AA00 72
019 C00AA00 AMERICENIN
020 A000001 GOLDMAN SACHS & COMPANY
020 B000001 13-5108880
020 C000001 527
020 A000002 LEHMAN BROTHERS
020 B000002 13-2518466
020 C000002 397
020 A000003 SALOMON, SMITH BARNEY
020 B000003 13-3082694
020 C000003 327
020 A000004 SANFORD C. BERNSTEIN
<PAGE> PAGE 3
020 B000004 13-2625874
020 C000004 250
020 A000005 DONALDSON LUFKIN JENRETTE
020 B000005 13-2741799
020 C000005 235
020 A000006 PIPER JAFFREY
020 B000006 41-0953246
020 C000006 222
020 A000007 COWEN & COMPANY
020 B000007 13-5616116
020 C000007 208
020 A000008 MERRILL LYNCH & COMPANY
020 B000008 13-2973073
020 C000008 199
020 A000009 MORGAN STANLEY & COMPANY
020 B000009 13-2655998
020 C000009 175
020 A000010 GERARD KLAUER
020 C000010 135
021 000000 4163
022 A000001 FUJL SECURITES
022 B000001 36-2088072
022 C000001 216660
022 D000001 0
022 A000002 GOLDMAN SACHS & COMPANY
022 B000002 13-5108880
022 C000002 112998
022 D000002 1975
022 A000003 ROBERT W. BAIRD
022 C000003 16596
022 D000003 34105
022 A000004 MORGAN STANLEY & COMPANY
022 B000004 13-2655998
022 C000004 43456
022 D000004 2572
022 A000005 DEUTSCHE BANK SECURITIES, INC.
022 B000005 13-2730828
022 C000005 22376
022 D000005 0
022 A000006 MERRILL LYNCH & COMPANY
022 B000006 13-2973073
022 C000006 15335
022 D000006 5537
022 A000007 CREDIT SUISSE, FIRST BOSTON
022 B000007 13-5659485
022 C000007 3922
022 D000007 9566
022 A000008 SALOMON, SMITH BARNEY
022 B000008 13-3082694
022 C000008 4354
022 D000008 5219
<PAGE> PAGE 4
022 A000009 LEHMAN BROTHERS
022 B000009 13-2518466
022 C000009 7499
022 D000009 69
022 A000010 MC DONALD & COMPANY
022 C000010 6100
022 D000010 0
023 C000000 467979
023 D000000 66369
026 A000000 N
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 N
027 000000 Y
029 00AA00 N
030 A00AA00 0
030 B00AA00 0.00
030 C00AA00 0.00
031 A00AA00 0
031 B00AA00 0
032 00AA00 0
033 00AA00 0
034 00AA00 N
035 00AA00 0
036 B00AA00 0
037 00AA00 N
038 00AA00 0
039 00AA00 N
040 00AA00 Y
041 00AA00 Y
054 A00AA00 Y
054 B00AA00 Y
054 C00AA00 Y
054 D00AA00 Y
054 E00AA00 N
054 F00AA00 Y
054 G00AA00 Y
054 H00AA00 Y
054 I00AA00 N
054 J00AA00 Y
054 K00AA00 Y
054 L00AA00 Y
054 M00AA00 Y
054 N00AA00 Y
054 O00AA00 N
077 A000000 Y
<PAGE> PAGE 5
077 B000000 N
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 Y
077 P000000 N
077 Q010000 Y
077 Q020000 N
077 Q030000 N
078 000000 N
080 C00AA00 0
081 B00AA00 0
082 B00AA00 0
083 B00AA00 0
084 B00AA00 0
086 A010000 0
086 A020000 0
086 B010000 0
086 B020000 0
086 C010000 0
086 C020000 0
086 D010000 0
086 D020000 0
086 E010000 0
086 E020000 0
086 F010000 0
086 F020000 0
008 A000101 AMERICAN CENTURY INVESTMENT MANAGEMENT, INC.
008 B000101 A
008 C000101 801-08174
008 D010101 KANSAS CITY
008 D020101 MO
008 D030101 64111
008 D040101 7709
024 000100 N
025 D000101 0
025 D000102 0
025 D000103 0
025 D000104 0
025 D000105 0
025 D000106 0
025 D000107 0
<PAGE> PAGE 6
025 D000108 0
028 A010100 124601
028 A020100 0
028 A030100 0
028 A040100 160305
028 B010100 118076
028 B020100 0
028 B030100 0
028 B040100 98205
028 C010100 81431
028 C020100 7266
028 C030100 0
028 C040100 82024
028 D010100 67165
028 D020100 0
028 D030100 0
028 D040100 70901
028 E010100 59000
028 E020100 0
028 E030100 0
028 E040100 81057
028 F010100 114542
028 F020100 6312
028 F030100 0
028 F040100 100206
028 G010100 564815
028 G020100 13578
028 G030100 0
028 G040100 592698
028 H000100 0
042 A000100 0
042 B000100 0
042 C000100 0
042 D000100 0
042 E000100 0
042 F000100 0
042 G000100 0
042 H000100 0
043 000100 157
044 000100 0
045 000100 Y
046 000100 N
047 000100 Y
048 000100 1.000
048 A010100 0
048 A020100 0.000
048 B010100 0
048 B020100 0.000
048 C010100 0
048 C020100 0.000
048 D010100 0
<PAGE> PAGE 7
048 D020100 0.000
048 E010100 0
048 E020100 0.000
048 F010100 0
048 F020100 0.000
048 G010100 0
048 G020100 0.000
048 H010100 0
048 H020100 0.000
048 I010100 0
048 I020100 0.000
048 J010100 0
048 J020100 0.000
048 K010100 0
048 K020100 0.000
049 000100 N
050 000100 N
051 000100 N
052 000100 N
053 A000100 N
055 A000100 Y
055 B000100 N
056 000100 Y
057 000100 N
058 A000100 N
059 000100 Y
060 A000100 Y
060 B000100 Y
061 000100 2500
062 A000100 N
062 B000100 0.0
062 C000100 0.0
062 D000100 0.0
062 E000100 0.0
062 F000100 0.0
062 G000100 0.0
062 H000100 0.0
062 I000100 0.0
062 J000100 0.0
062 K000100 0.0
062 L000100 0.0
062 M000100 0.0
062 N000100 0.0
062 O000100 0.0
062 P000100 0.0
062 Q000100 0.0
062 R000100 0.0
066 A000100 Y
066 B000100 N
066 C000100 N
066 D000100 N
<PAGE> PAGE 8
066 E000100 Y
066 F000100 N
066 G000100 N
067 000100 N
068 A000100 N
068 B000100 N
069 000100 N
070 A010100 Y
070 A020100 Y
070 B010100 N
070 B020100 N
070 C010100 N
070 C020100 N
070 D010100 N
070 D020100 N
070 E010100 N
070 E020100 N
070 F010100 Y
070 F020100 N
070 G010100 N
070 G020100 N
070 H010100 N
070 H020100 N
070 I010100 N
070 I020100 N
070 J010100 Y
070 J020100 Y
070 K010100 Y
070 K020100 N
070 L010100 Y
070 L020100 Y
070 M010100 Y
070 M020100 Y
070 N010100 Y
070 N020100 N
070 O010100 N
070 O020100 N
070 P010100 Y
070 P020100 Y
070 Q010100 N
070 Q020100 N
070 R010100 N
070 R020100 N
071 A000100 1281947
071 B000100 1331679
071 C000100 1898998
071 D000100 68
072 A000100 6
072 B000100 2415
072 C000100 21858
072 D000100 0
<PAGE> PAGE 9
072 E000100 0
072 F000100 10088
072 G000100 0
072 H000100 0
072 I000100 0
072 J000100 0
072 K000100 0
072 L000100 0
072 M000100 10
072 N000100 0
072 O000100 0
072 P000100 0
072 Q000100 0
072 R000100 0
072 S000100 0
072 T000100 157
072 U000100 0
072 V000100 0
072 W000100 0
072 X000100 10255
072 Y000100 0
072 Z000100 14018
072AA000100 109242
072BB000100 0
072CC010100 0
072CC020100 32015
072DD010100 0
072DD020100 0
072EE000100 0
073 A010100 0.0000
073 A020100 0.0000
073 B000100 0.0000
073 C000100 0.0000
074 A000100 0
074 B000100 81400
074 C000100 0
074 D000100 0
074 E000100 0
074 F000100 1804011
074 G000100 0
074 H000100 0
074 I000100 0
074 J000100 8446
074 K000100 0
074 L000100 4906
074 M000100 0
074 N000100 1898763
074 O000100 12257
074 P000100 1631
074 Q000100 0
074 R010100 0
<PAGE> PAGE 10
074 R020100 0
074 R030100 0
074 R040100 11809
074 S000100 0
074 T000100 1873066
074 U010100 0
074 U020100 0
074 V010100 0.00
074 V020100 0.00
074 W000100 0.0000
074 X000100 67682
074 Y000100 0
075 A000100 0
075 B000100 2035302
076 000100 0.00
008 A000201 AMERICAN CENTURY INVESTMENT MANAGEMENT, INC.
008 B000201 A
008 C000201 801-08174
008 D010201 KANSAS CITY
008 D020201 MO
008 D030201 64111
008 D040201 7709
024 000200 Y
025 A000201 MERRILL LYNCH & COMPANY, INC.
025 B000201 13-2973073
025 C000201 D
025 D000201 4569
025 D000202 0
025 D000203 0
025 D000204 0
025 D000205 0
025 D000206 0
025 D000207 0
025 D000208 0
028 A010200 15560
028 A020200 0
028 A030200 0
028 A040200 23421
028 B010200 24850
028 B020200 0
028 B030200 0
028 B040200 7983
028 C010200 22337
028 C020200 2360
028 C030200 0
028 C040200 11655
028 D010200 23736
028 D020200 0
028 D030200 0
028 D040200 12216
028 E010200 18807
<PAGE> PAGE 11
028 E020200 0
028 E030200 0
028 E040200 10262
028 F010200 13362
028 F020200 2619
028 F030200 0
028 F040200 10988
028 G010200 118652
028 G020200 4979
028 G030200 0
028 G040200 76525
028 H000200 0
042 A000200 0
042 B000200 0
042 C000200 0
042 D000200 0
042 E000200 0
042 F000200 0
042 G000200 0
042 H000200 0
043 000200 39
044 000200 0
045 000200 Y
046 000200 N
047 000200 Y
048 000200 1.000
048 A010200 0
048 A020200 0.000
048 B010200 0
048 B020200 0.000
048 C010200 0
048 C020200 0.000
048 D010200 0
048 D020200 0.000
048 E010200 0
048 E020200 0.000
048 F010200 0
048 F020200 0.000
048 G010200 0
048 G020200 0.000
048 H010200 0
048 H020200 0.000
048 I010200 0
048 I020200 0.000
048 J010200 0
048 J020200 0.000
048 K010200 0
048 K020200 0.000
049 000200 N
050 000200 N
051 000200 N
<PAGE> PAGE 12
052 000200 N
053 A000200 N
055 A000200 Y
055 B000200 N
056 000200 Y
057 000200 N
058 A000200 N
059 000200 Y
060 A000200 Y
060 B000200 Y
061 000200 2500
062 A000200 N
062 B000200 0.0
062 C000200 0.0
062 D000200 0.0
062 E000200 0.0
062 F000200 0.0
062 G000200 0.0
062 H000200 0.0
062 I000200 0.0
062 J000200 0.0
062 K000200 0.0
062 L000200 0.0
062 M000200 0.0
062 N000200 0.0
062 O000200 0.0
062 P000200 0.0
062 Q000200 0.0
062 R000200 0.0
066 A000200 Y
066 B000200 N
066 C000200 N
066 D000200 N
066 E000200 Y
066 F000200 N
066 G000200 N
067 000200 N
068 A000200 N
068 B000200 N
069 000200 N
070 A010200 Y
070 A020200 Y
070 B010200 N
070 B020200 N
070 C010200 N
070 C020200 N
070 D010200 N
070 D020200 N
070 E010200 N
070 E020200 N
070 F010200 Y
<PAGE> PAGE 13
070 F020200 N
070 G010200 N
070 G020200 N
070 H010200 N
070 H020200 N
070 I010200 N
070 I020200 N
070 J010200 Y
070 J020200 Y
070 K010200 Y
070 K020200 Y
070 L010200 Y
070 L020200 Y
070 M010200 Y
070 M020200 Y
070 N010200 Y
070 N020200 N
070 O010200 N
070 O020200 N
070 P010200 Y
070 P020200 Y
070 Q010200 N
070 Q020200 N
070 R010200 N
070 R020200 N
071 A000200 261611
071 B000200 241587
071 C000200 346056
071 D000200 70
072 A000200 6
072 B000200 1417
072 C000200 6012
072 D000200 0
072 E000200 0
072 F000200 1797
072 G000200 0
072 H000200 0
072 I000200 0
072 J000200 0
072 K000200 0
072 L000200 0
072 M000200 2
072 N000200 0
072 O000200 0
072 P000200 0
072 Q000200 0
072 R000200 0
072 S000200 0
072 T000200 39
072 U000200 0
072 V000200 0
<PAGE> PAGE 14
072 W000200 0
072 X000200 1839
072 Y000200 0
072 Z000200 5590
072AA000200 21541
072BB000200 0
072CC010200 0
072CC020200 9341
072DD010200 0
072DD020200 0
072EE000200 0
073 A010200 0.0000
073 A020200 0.0000
073 B000200 0.0000
073 C000200 0.0000
074 A000200 20160
074 B000200 5000
074 C000200 0
074 D000200 37442
074 E000200 42551
074 F000200 263420
074 G000200 0
074 H000200 0
074 I000200 0
074 J000200 8693
074 K000200 0
074 L000200 1230
074 M000200 0
074 N000200 378495
074 O000200 7165
074 P000200 315
074 Q000200 0
074 R010200 0
074 R020200 0
074 R030200 0
074 R040200 30
074 S000200 0
074 T000200 370985
074 U010200 0
074 U020200 0
074 V010200 0.00
074 V020200 0.00
074 W000200 0.0000
074 X000200 18483
074 Y000200 0
075 A000200 0
075 A000200 363759
075 B000200 0.00
075 B000200 0
076 000200 0.00
076 000200 0.00
<PAGE> PAGE 15
008 A000301 AMERICAN CENTURY INVESTMENT MANAGEMENT, INC.
008 B000301 S
008 C000301 801-55209
008 D010301 CHICAGO
008 D020301 IL
008 D030301 60611
008 A000302 RREEF AMERICA LLC
008 B000302 A
008 C000302 801-55209
008 D010302 CHICAGO
008 D020302 IL
008 D030302 60611
024 000300 N
025 D000301 0
025 D000302 0
025 D000303 0
025 D000304 0
025 D000305 0
025 D000306 0
025 D000307 0
025 D000308 0
028 A010300 23449
028 A020300 0
028 A030300 0
028 A040300 14218
028 B010300 12943
028 B020300 0
028 B030300 0
028 B040300 12865
028 C010300 9046
028 C020300 1400
028 C030300 0
028 C040300 10015
028 D010300 8299
028 D020300 0
028 D030300 0
028 D040300 15151
028 E010300 6017
028 E020300 0
028 E030300 0
028 E040300 7766
028 F010300 4873
028 F020300 1763
028 F030300 0
028 F040300 7893
028 G010300 64629
028 G020300 3163
028 G030300 0
028 G040300 67908
028 H000300 0
042 A000300 0
<PAGE> PAGE 16
042 B000300 0
042 C000300 0
042 D000300 0
042 E000300 0
042 F000300 0
042 G000300 0
042 H000300 0
043 000300 4
044 000300 0
045 000300 Y
046 000300 N
047 000300 Y
048 000300 1.200
048 A010300 0
048 A020300 0.000
048 B010300 0
048 B020300 0.000
048 C010300 0
048 C020300 0.000
048 D010300 0
048 D020300 0.000
048 E010300 0
048 E020300 0.000
048 F010300 0
048 F020300 0.000
048 G010300 0
048 G020300 0.000
048 H010300 0
048 H020300 0.000
048 I010300 0
048 I020300 0.000
048 J010300 0
048 J020300 0.000
048 K010300 0
048 K020300 0.000
049 000300 N
050 000300 N
051 000300 N
052 000300 N
053 A000300 N
055 A000300 Y
055 B000300 N
056 000300 Y
057 000300 N
058 A000300 N
059 000300 Y
060 A000300 N
060 B000300 N
061 000300 2500
062 A000300 N
062 B000300 0.0
<PAGE> PAGE 17
062 C000300 0.0
062 D000300 0.0
062 E000300 0.0
062 F000300 0.0
062 G000300 0.0
062 H000300 0.0
062 I000300 0.0
062 J000300 0.0
062 K000300 0.0
062 L000300 0.0
062 M000300 0.0
062 N000300 0.0
062 O000300 0.0
062 P000300 0.0
062 Q000300 0.0
062 R000300 0.0
066 A000300 Y
066 B000300 N
066 C000300 N
066 D000300 N
066 E000300 Y
066 F000300 N
066 G000300 N
067 000300 N
068 A000300 N
068 B000300 N
069 000300 N
070 A010300 Y
070 A020300 Y
070 B010300 N
070 B020300 N
070 C010300 N
070 C020300 N
070 D010300 N
070 D020300 N
070 E010300 N
070 E020300 N
070 F010300 N
070 F020300 N
070 G010300 N
070 G020300 N
070 H010300 N
070 H020300 N
070 I010300 N
070 I020300 N
070 J010300 Y
070 J020300 Y
070 K010300 N
070 K020300 N
070 L010300 N
070 L020300 N
<PAGE> PAGE 18
070 M010300 N
070 M020300 N
070 N010300 Y
070 N020300 N
070 O010300 N
070 O020300 N
070 P010300 N
070 P020300 N
070 Q010300 N
070 Q020300 N
070 R010300 N
070 R020300 N
071 A000300 52640
071 B000300 51739
071 C000300 147317
071 D000300 35
072 A000300 6
072 B000300 85
072 C000300 5122
072 D000300 0
072 E000300 0
072 F000300 884
072 G000300 0
072 H000300 0
072 I000300 0
072 J000300 0
072 K000300 0
072 L000300 0
072 M000300 1
072 N000300 0
072 O000300 0
072 P000300 0
072 Q000300 0
072 R000300 0
072 S000300 0
072 T000300 3
072 U000300 0
072 V000300 0
072 W000300 0
072 X000300 889
072 Y000300 0
072 Z000300 4318
072AA000300 0
072BB000300 2948
072CC010300 755
072CC020300 0
072DD010300 0
072DD020300 0
072EE000300 0
073 A010300 0.0000
073 A020300 0.0000
<PAGE> PAGE 19
073 B000300 0.0000
073 C000300 0.0000
074 A000300 0
074 B000300 0
074 C000300 0
074 D000300 0
074 E000300 0
074 F000300 133361
074 G000300 0
074 H000300 0
074 I000300 0
074 J000300 2147
074 K000300 0
074 L000300 1058
074 M000300 0
074 N000300 136566
074 O000300 0
074 P000300 136
074 Q000300 0
074 R010300 0
074 R020300 0
074 R030300 0
074 R040300 920
074 S000300 0
074 T000300 135510
074 U010300 0
074 U020300 0
074 V010300 0.00
074 V020300 0.00
074 W000300 0.0000
074 X000300 6210
074 Y000300 0
075 A000300 0
075 B000300 151769
076 000300 0.00
008 A000401 AMERICAN CENTURY INVESTMENT MANAGEMENT, INC.
008 B000401 A
008 C000401 801-08174
008 D010401 KANSAS CITY
008 D020401 MO
008 D030401 64111
008 D040401 7709
024 000400 N
028 A010400 2376
028 A020400 0
028 A030400 0
028 A040400 1008
028 B010400 2949
028 B020400 0
028 B030400 0
028 B040400 735
<PAGE> PAGE 20
028 C010400 1699
028 C020400 52
028 C030400 0
028 C040400 1265
028 D010400 2230
028 D020400 0
028 D030400 0
028 D040400 871
028 E010400 1205
028 E020400 0
028 E030400 0
028 E040400 1247
028 F010400 1031
028 F020400 0
028 F030400 0
028 F040400 2186
028 G010400 11490
028 G020400 52
028 G030400 0
028 G040400 7312
028 H000400 0
042 A000400 0
042 B000400 0
042 C000400 0
042 D000400 0
042 E000400 0
042 F000400 0
042 G000400 0
042 H000400 0
043 000400 0
044 000400 0
045 000400 Y
046 000400 N
047 000400 Y
048 000400 1.250
048 A010400 0
048 A020400 0.000
048 B010400 0
048 B020400 0.000
048 C010400 0
048 C020400 0.000
048 D010400 0
048 D020400 0.000
048 E010400 0
048 E020400 0.000
048 F010400 0
048 F020400 0.000
048 G010400 0
048 G020400 0.000
048 H010400 0
048 H020400 0.000
<PAGE> PAGE 21
048 I010400 0
048 I020400 0.000
048 J010400 0
048 J020400 0.000
048 K010400 0
048 K020400 0.000
049 000400 N
050 000400 N
051 000400 N
052 000400 N
053 A000400 N
055 A000400 Y
055 B000400 N
056 000400 Y
057 000400 N
058 A000400 N
059 000400 Y
060 A000400 Y
060 B000400 Y
061 000400 2500
062 A000400 N
062 B000400 0.0
062 C000400 0.0
062 D000400 0.0
062 E000400 0.0
062 F000400 0.0
062 G000400 0.0
062 H000400 0.0
062 I000400 0.0
062 J000400 0.0
062 K000400 0.0
062 L000400 0.0
062 M000400 0.0
062 N000400 0.0
062 O000400 0.0
062 P000400 0.0
062 Q000400 0.0
062 R000400 0.0
066 A000400 Y
066 B000400 N
066 C000400 N
066 D000400 N
066 E000400 Y
066 F000400 N
066 G000400 N
067 000400 N
068 A000400 N
068 B000400 N
069 000400 N
070 A010400 Y
070 A020400 Y
<PAGE> PAGE 22
070 B010400 N
070 B020400 N
070 C010400 N
070 C020400 N
070 D010400 N
070 D020400 N
070 E010400 N
070 E020400 N
070 F010400 Y
070 F020400 N
070 G010400 N
070 G020400 N
070 H010400 N
070 H020400 N
070 I010400 N
070 I020400 N
070 J010400 Y
070 J020400 N
070 K010400 Y
070 K020400 N
070 L010400 Y
070 L020400 Y
070 M010400 Y
070 M020400 Y
070 N010400 Y
070 N020400 N
070 O010400 N
070 O020400 N
070 P010400 Y
070 P020400 Y
070 Q010400 N
070 Q020400 N
070 R010400 N
070 R020400 N
071 A000400 18326
071 B000400 14871
071 C000400 16611
071 D000400 90
072 A000400 6
072 B000400 12
072 C000400 160
072 D000400 0
072 E000400 0
072 F000400 109
072 G000400 0
072 H000400 0
072 I000400 0
072 J000400 0
072 K000400 0
072 L000400 0
072 M000400 0
<PAGE> PAGE 23
072 N000400 0
072 O000400 0
072 P000400 0
072 Q000400 0
072 R000400 0
072 S000400 0
072 T000400 0
072 U000400 0
072 V000400 0
072 W000400 0
072 X000400 109
072 Y000400 0
072 Z000400 62
072AA000400 429
072BB000400 0
072CC010400 110
072CC020400 0
072DD010400 53
072DD020400 5
072EE000400 0
073 A010400 0.0200
073 A020400 0.0200
073 B000400 0.0000
073 C000400 0.0000
074 A000400 141
074 B000400 0
074 C000400 0
074 D000400 0
074 E000400 355
074 F000400 15836
074 G000400 0
074 H000400 0
074 I000400 0
074 J000400 1270
074 K000400 0
074 L000400 19
074 M000400 0
074 N000400 17622
074 O000400 430
074 P000400 19
074 Q000400 0
074 R010400 0
074 R020400 0
074 R030400 0
074 R040400 2
074 S000400 0
074 T000400 17171
074 U010400 3206
074 U020400 208
074 V010400 5.03
074 V020400 5.03
<PAGE> PAGE 24
074 W000400 0.0000
074 X000400 2109
074 Y000400 0
075 A000400 0
075 B000400 16426
076 000400 0.00
008 A000501 AMERICAN CENTURY INVESTMENT MANAGEMENT, INC.
008 B000501 A
008 C000501 801-08174
008 D010501 KANSAS CITY
008 D020501 MO
008 D030501 64111
008 D040501 7709
008 A000502 BARCLAYS GLOBAL INVESTMENTS
008 B000502 S
008 C000502 801-2269
008 D010502 SAN FRANCISCO
008 D020502 CA
008 D030502 94105
024 000500 Y
025 A000501 MORGAN STANLEY, DEAN WITTER & COMPANY
025 B000501 13-2655998
025 C000501 E
025 D000501 1870
025 A000502 LEHMAN BROTHERS HOLDINGS
025 B000502 13-2518466
025 C000502 E
025 D000502 252
025 A000503 MERRILL LYNCH & COMPANY
025 B000503 13-2973073
025 C000503 E
025 D000503 907
025 A000504 DELETE
025 D000504 0
025 A000505 DELETE
025 D000505 0
025 A000506 DELETE
025 D000506 0
025 D000507 0
025 D000508 0
028 A010500 20656
028 A020500 0
028 A030500 0
028 A040500 7468
028 B010500 50227
028 B020500 0
028 B030500 0
028 B040500 8118
028 C010500 14379
028 C020500 1399
028 C030500 0
<PAGE> PAGE 25
028 C040500 9144
028 D010500 67340
028 D020500 0
028 D030500 0
028 D040500 16371
028 E010500 17815
028 E020500 0
028 E030500 0
028 E040500 11662
028 F010500 12178
028 F020500 1143
028 F030500 0
028 F040500 20655
028 G010500 182595
028 G020500 2542
028 G030500 0
028 G040500 73418
028 H000500 0
042 A000500 0
042 B000500 0
042 C000500 0
042 D000500 0
042 E000500 0
042 F000500 0
042 G000500 0
042 H000500 0
043 000500 0
044 000500 0
045 000500 Y
046 000500 N
047 000500 Y
048 000500 0.490
048 A010500 0
048 A020500 0.000
048 B010500 0
048 B020500 0.000
048 C010500 0
048 C020500 0.000
048 D010500 0
048 D020500 0.000
048 E010500 0
048 E020500 0.000
048 F010500 0
048 F020500 0.000
048 G010500 0
048 G020500 0.000
048 H010500 0
048 H020500 0.000
048 I010500 0
048 I020500 0.000
048 J010500 0
<PAGE> PAGE 26
048 J020500 0.000
048 K010500 0
048 K020500 0.000
049 000500 N
050 000500 N
051 000500 N
052 000500 N
053 A000500 N
055 A000500 N
055 B000500 N
056 000500 Y
057 000500 N
058 A000500 N
059 000500 Y
060 A000500 N
060 B000500 N
061 000500 10000
062 A000500 N
062 B000500 0.0
062 C000500 0.0
062 D000500 0.0
062 E000500 0.0
062 F000500 0.0
062 G000500 0.0
062 H000500 0.0
062 I000500 0.0
062 J000500 0.0
062 K000500 0.0
062 L000500 0.0
062 M000500 0.0
062 N000500 0.0
062 O000500 0.0
062 P000500 0.0
062 Q000500 0.0
062 R000500 0.0
063 A000500 0
063 B000500 0.0
066 A000500 Y
066 B000500 N
066 C000500 N
066 D000500 Y
066 E000500 N
066 F000500 N
066 G000500 N
067 000500 N
068 A000500 N
068 B000500 N
069 000500 N
070 A010500 Y
070 A020500 Y
070 B010500 N
<PAGE> PAGE 27
070 B020500 N
070 C010500 N
070 C020500 N
070 D010500 N
070 D020500 N
070 E010500 N
070 E020500 N
070 F010500 N
070 F020500 N
070 G010500 N
070 G020500 N
070 H010500 N
070 H020500 N
070 I010500 N
070 I020500 N
070 J010500 Y
070 J020500 N
070 K010500 N
070 K020500 N
070 L010500 N
070 L020500 N
070 M010500 N
070 M020500 N
070 N010500 N
070 N020500 N
070 O010500 N
070 O020500 N
070 P010500 N
070 P020500 N
070 Q010500 N
070 Q020500 N
070 R010500 N
070 R020500 N
071 A000500 153449
071 B000500 6025
071 C000500 335485
071 D000500 2
072 A000500 6
072 B000500 574
072 C000500 2354
072 D000500 0
072 E000500 0
072 F000500 572
072 G000500 0
072 H000500 0
072 I000500 0
072 J000500 0
072 K000500 0
072 L000500 0
072 M000500 2
072 N000500 0
<PAGE> PAGE 28
072 O000500 0
072 P000500 0
072 Q000500 0
072 R000500 0
072 S000500 0
072 T000500 0
072 U000500 0
072 V000500 0
072 W000500 0
072 X000500 574
072 Y000500 0
072 Z000500 2354
072AA000500 1651
072BB000500 0
072CC010500 0
072CC020500 10003
072DD010500 232
072DD020500 2333
072EE000500 0
073 A010500 0.0300
073 A020500 0.0400
073 B000500 0.0000
073 C000500 0.0000
074 A000500 0
074 B000500 8700
074 C000500 593
074 D000500 0
074 E000500 0
074 F000500 386388
074 G000500 0
074 H000500 0
074 I000500 0
074 J000500 713
074 K000500 0
074 L000500 544
074 M000500 0
074 N000500 396939
074 O000500 0
074 P000500 105
074 Q000500 0
074 R010500 0
074 R020500 0
074 R030500 0
074 R040500 12088
074 S000500 0
074 T000500 384746
074 U010500 8506
074 U020500 65899
074 V010500 5.17
074 V020500 5.17
074 W000500 0.0000
<PAGE> PAGE 29
074 X000500 1608
074 Y000500 0
075 A000500 0
075 B000500 368813
076 000500 0.00
008 A000601 AMERICAN CENTURY INVESTMENT MANAGEMENT, INC.
008 B000601 A
008 C000601 801-08174
008 D010601 KANSAS CITY
008 D020601 MO
008 D030601 64111
008 D040601 7709
028 A010600 0
028 A020600 0
028 A030600 0
028 A040600 0
028 B010600 0
028 B020600 0
028 B030600 0
028 B040600 0
028 C010600 0
028 C020600 0
028 C030600 0
028 C040600 0
028 D010600 1826
028 D020600 0
028 D030600 0
028 D040600 0
028 E010600 11536
028 E020600 0
028 E030600 0
028 E040600 351
028 F010600 1585
028 F020600 32
028 F030600 0
028 F040600 740
028 G010600 14947
028 G020600 32
028 G030600 0
028 G040600 1091
028 H000600 0
042 A000600 0
042 B000600 0
042 C000600 0
042 D000600 0
042 E000600 0
042 F000600 0
042 G000600 0
042 H000600 0
043 000600 0
044 000600 0
<PAGE> PAGE 30
045 000600 Y
046 000600 N
047 000600 Y
048 000600 0.900
048 A010600 0
048 A020600 0.000
048 B010600 0
048 B020600 0.000
048 C010600 0
048 C020600 0.000
048 D010600 0
048 D020600 0.000
048 E010600 0
048 E020600 0.000
048 F010600 0
048 F020600 0.000
048 G010600 0
048 G020600 0.000
048 H010600 0
048 H020600 0.000
048 I010600 0
048 I020600 0.000
048 J010600 0
048 J020600 0.000
048 K010600 0
048 K020600 0.000
049 000600 N
050 000600 N
051 000600 N
052 000600 N
053 A000600 N
055 A000600 Y
055 B000600 N
056 000600 Y
057 000600 N
058 A000600 N
059 000600 Y
060 A000600 Y
060 B000600 Y
061 000600 2500
062 A000600 N
062 B000600 0.0
062 C000600 0.0
062 D000600 0.0
062 E000600 0.0
062 F000600 0.0
062 G000600 0.0
062 H000600 0.0
062 I000600 0.0
062 J000600 0.0
062 K000600 0.0
<PAGE> PAGE 31
062 L000600 0.0
062 M000600 0.0
062 N000600 0.0
062 O000600 0.0
062 P000600 0.0
062 Q000600 0.0
062 R000600 0.0
063 A000600 0
063 B000600 0.0
066 A000600 Y
066 B000600 N
066 C000600 N
066 D000600 N
066 E000600 Y
066 F000600 N
066 G000600 N
067 000600 N
068 A000600 N
068 B000600 N
069 000600 N
070 A010600 Y
070 A020600 Y
070 B010600 N
070 B020600 N
070 C010600 N
070 C020600 N
070 D010600 N
070 D020600 N
070 E010600 N
070 E020600 N
070 F010600 Y
070 F020600 N
070 G010600 N
070 G020600 N
070 H010600 N
070 H020600 N
070 I010600 N
070 I020600 N
070 J010600 Y
070 J020600 N
070 K010600 Y
070 K020600 N
070 L010600 Y
070 L020600 N
070 M010600 Y
070 M020600 N
070 N010600 Y
070 N020600 N
070 O010600 N
070 O020600 N
070 P010600 Y
<PAGE> PAGE 32
070 P020600 N
070 Q010600 N
070 Q020600 N
070 R010600 N
070 R020600 N
071 A000600 145889
071 B000600 1278
071 C000600 10122
071 D000600 13
072 A000600 3
072 B000600 7
072 C000600 46
072 D000600 0
072 E000600 0
072 F000600 17
072 G000600 0
072 H000600 0
072 I000600 0
072 J000600 0
072 K000600 0
072 L000600 0
072 M000600 0
072 N000600 0
072 O000600 0
072 P000600 0
072 Q000600 0
072 R000600 0
072 S000600 0
072 T000600 0
072 U000600 0
072 V000600 0
072 W000600 0
072 X000600 17
072 Y000600 0
072 Z000600 36
072AA000600 0
072BB000600 57
072CC010600 0
072CC020600 1034
072DD010600 33
072DD020600 0
072EE000600 0
073 A010600 0.0100
073 A020600 0.0000
073 B000600 0.0000
073 C000600 0.0000
074 A000600 0
074 B000600 700
074 C000600 0
074 D000600 0
074 E000600 0
<PAGE> PAGE 33
074 F000600 12224
074 G000600 0
074 H000600 0
074 I000600 0
074 J000600 0
074 K000600 0
074 L000600 24
074 M000600 0
074 N000600 12948
074 O000600 63
074 P000600 10
074 Q000600 0
074 R010600 0
074 R020600 0
074 R030600 0
074 R040600 76
074 S000600 0
074 T000600 12799
074 U010600 2810
074 U020600 0
074 V010600 4.56
074 V020600 0.00
074 W000600 0.0000
074 X000600 965
074 Y000600 0
075 A000600 0
075 B000600 11178
076 000600 0.00
SIGNATURE MARYANNE ROEPKE
TITLE TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000908186
<NAME> AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
<SERIES>
<NUMBER> 11
<NAME> VALUE FUND INVESTOR CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 2,045,830,062
<INVESTMENTS-AT-VALUE> 1,885,410,947
<RECEIVABLES> 8,446,201
<ASSETS-OTHER> 4,906,107
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1,898,763,255
<PAYABLE-FOR-SECURITIES> 12,256,825
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 13,440,391
<TOTAL-LIABILITIES> 25,697,216
<SENIOR-EQUITY> 2,940,636
<PAID-IN-CAPITAL-COMMON> 1,920,426,621
<SHARES-COMMON-STOCK> 294,063,594
<SHARES-COMMON-PRIOR> 297,851,438
<ACCUMULATED-NII-CURRENT> 441,984
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 111,219,308
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (161,962,510)
<NET-ASSETS> 1,873,066,039
<DIVIDEND-INCOME> 21,858,025
<INTEREST-INCOME> 2,415,464
<OTHER-INCOME> 0
<EXPENSES-NET> 10,255,325
<NET-INVESTMENT-INCOME> 14,018,164
<REALIZED-GAINS-CURRENT> 109,241,997
<APPREC-INCREASE-CURRENT> (32,015,426)
<NET-CHANGE-FROM-OPS> 91,244,735
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 13,160,162
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 82,166,355
<NUMBER-OF-SHARES-REDEEMED> 87,997,040
<SHARES-REINVESTED> 2,042,841
<NET-CHANGE-IN-ASSETS> 4,774,298
<ACCUMULATED-NII-PRIOR> 259,057
<ACCUMULATED-GAINS-PRIOR> 1,977,311
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 10,087,857
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 10,255,325
<AVERAGE-NET-ASSETS> 1,931,231,243
<PER-SHARE-NAV-BEGIN> 5.77
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 0.26
<PER-SHARE-DIVIDEND> 0.04
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 6.04
<EXPENSE-RATIO> 1.00
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000908186
<NAME> AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
<SERIES>
<NUMBER> 12
<NAME> VALUE FUND - INSTITUTIONAL CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 2,045,830,062
<INVESTMENTS-AT-VALUE> 1,885,410,947
<RECEIVABLES> 13,352,308
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1,898,763,255
<PAYABLE-FOR-SECURITIES> 12,256,825
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 13,440,391
<TOTAL-LIABILITIES> 25,697,216
<SENIOR-EQUITY> 67,000
<PAID-IN-CAPITAL-COMMON> 1,923,300,257
<SHARES-COMMON-STOCK> 6,699,976
<SHARES-COMMON-PRIOR> 6,285,391
<ACCUMULATED-NII-CURRENT> 441,984
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 111,219,308
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (161,962,510)
<NET-ASSETS> 1,873,066,039
<DIVIDEND-INCOME> 21,858,025
<INTEREST-INCOME> 2,415,464
<OTHER-INCOME> 0
<EXPENSES-NET> 10,255,325
<NET-INVESTMENT-INCOME> 14,018,164
<REALIZED-GAINS-CURRENT> 109,241,997
<APPREC-INCREASE-CURRENT> (32,015,426)
<NET-CHANGE-FROM-OPS> 91,244,735
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 330,516
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,291,737
<NUMBER-OF-SHARES-REDEEMED> 911,124
<SHARES-REINVESTED> 33,972
<NET-CHANGE-IN-ASSETS> 4,774,298
<ACCUMULATED-NII-PRIOR> 259,057
<ACCUMULATED-GAINS-PRIOR> 1,977,311
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 10,087,857
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 10,255,325
<AVERAGE-NET-ASSETS> 62,748,074
<PER-SHARE-NAV-BEGIN> 5.78
<PER-SHARE-NII> 0.05
<PER-SHARE-GAIN-APPREC> 0.26
<PER-SHARE-DIVIDEND> 0.05
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 6.04
<EXPENSE-RATIO> 0.80
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000908186
<NAME> AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
<SERIES>
<NUMBER> 13
<NAME> VALUE FUND - ADVISOR CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 2,045,830,062
<INVESTMENTS-AT-VALUE> 1,885,410,947
<RECEIVABLES> 13,352,308
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 1,898,763,255
<PAYABLE-FOR-SECURITIES> 12,256,825
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 13,440,391
<TOTAL-LIABILITIES> 25,697,216
<SENIOR-EQUITY> 95,352
<PAID-IN-CAPITAL-COMMON> 1,923,271,905
<SHARES-COMMON-STOCK> 9,535,179
<SHARES-COMMON-PRIOR> 9,404,576
<ACCUMULATED-NII-CURRENT> 441,984
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 111,219,308
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (161,962,510)
<NET-ASSETS> 1,873,066,039
<DIVIDEND-INCOME> 21,858,025
<INTEREST-INCOME> 2,415,464
<OTHER-INCOME> 0
<EXPENSES-NET> 10,255,325
<NET-INVESTMENT-INCOME> 14,018,164
<REALIZED-GAINS-CURRENT> 109,241,997
<APPREC-INCREASE-CURRENT> (32,015,426)
<NET-CHANGE-FROM-OPS> 91,244,735
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 344,559
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,668,269
<NUMBER-OF-SHARES-REDEEMED> 2,592,221
<SHARES-REINVESTED> 54,555
<NET-CHANGE-IN-ASSETS> 4,774,298
<ACCUMULATED-NII-PRIOR> 259,057
<ACCUMULATED-GAINS-PRIOR> 1,977,311
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 10,087,857
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 10,255,325
<AVERAGE-NET-ASSETS> 62,748,074
<PER-SHARE-NAV-BEGIN> 5.77
<PER-SHARE-NII> 0.04
<PER-SHARE-GAIN-APPREC> 0.27
<PER-SHARE-DIVIDEND> 0.04
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 6.04
<EXPENSE-RATIO> 1.25
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY CAPITAL PORTFOLIOS, INC. AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000908186
<NAME> AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
<SERIES>
<NUMBER> 21
<NAME> EQUITY INCOME - INVESTOR CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 374,865,684
<INVESTMENTS-AT-VALUE> 348,412,558
<RECEIVABLES> 9,923,196
<ASSETS-OTHER> 20,159,637
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 378,495,391
<PAYABLE-FOR-SECURITIES> 7,165,411
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 345,091
<TOTAL-LIABILITIES> 7,510,502
<SENIOR-EQUITY> 551,169
<PAID-IN-CAPITAL-COMMON> 368,684,094
<SHARES-COMMON-STOCK> 55,116,913
<SHARES-COMMON-PRIOR> 49,851,485
<ACCUMULATED-NII-CURRENT> 265,532
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 27,943,184
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (26,453,090)
<NET-ASSETS> 370,990,889
<DIVIDEND-INCOME> 6,011,877
<INTEREST-INCOME> 1,416,903
<OTHER-INCOME> 0
<EXPENSES-NET> 1,838,539
<NET-INVESTMENT-INCOME> 5,590,241
<REALIZED-GAINS-CURRENT> 21,541,179
<APPREC-INCREASE-CURRENT> (9,340,611)
<NET-CHANGE-FROM-OPS> 17,790,809
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 5,049,292
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 15,819,569
<NUMBER-OF-SHARES-REDEEMED> 11,285,909
<SHARES-REINVESTED> 731,768
<NET-CHANGE-IN-ASSETS> 59,500,703
<ACCUMULATED-NII-PRIOR> 71,907
<ACCUMULATED-GAINS-PRIOR> 6,402,005
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,797,256
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,838,539
<AVERAGE-NET-ASSETS> 340,860,530
<PER-SHARE-NAV-BEGIN> 5.95
<PER-SHARE-NII> 0.10
<PER-SHARE-GAIN-APPREC> 0.29
<PER-SHARE-DIVIDEND> 0.09
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 6.25
<EXPENSE-RATIO> 1.00
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000908186
<NAME> AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
<SERIES>
<NUMBER> 22
<NAME> EQUITY INCOME FUND - INSTITUTIONAL CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 374,865,648
<INVESTMENTS-AT-VALUE> 348,412,558
<RECEIVABLES> 8,693,400
<ASSETS-OTHER> 21,389,433
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 378,495,391
<PAYABLE-FOR-SECURITIES> 7,165,411
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 345,091
<TOTAL-LIABILITIES> 7,510,502
<SENIOR-EQUITY> 15,059
<PAID-IN-CAPITAL-COMMON> 369,220,204
<SHARES-COMMON-STOCK> 1,505,917
<SHARES-COMMON-PRIOR> 445,883
<ACCUMULATED-NII-CURRENT> 265,532
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 27,943,184
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (26,453,090)
<NET-ASSETS> 370,984,889
<DIVIDEND-INCOME> 6,011,877
<INTEREST-INCOME> 1,416,903
<OTHER-INCOME> 0
<EXPENSES-NET> 1,838,539
<NET-INVESTMENT-INCOME> 5,590,241
<REALIZED-GAINS-CURRENT> 21,541,179
<APPREC-INCREASE-CURRENT> (9,340,611)
<NET-CHANGE-FROM-OPS> 17,790,809
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 128,262
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 1,142,510
<NUMBER-OF-SHARES-REDEEMED> 97,005
<SHARES-REINVESTED> 14,529
<NET-CHANGE-IN-ASSETS> 59,500,703
<ACCUMULATED-NII-PRIOR> 71,907
<ACCUMULATED-GAINS-PRIOR> 6,402,005
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 1,797,256
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1,838,539
<AVERAGE-NET-ASSETS> 7,164,429
<PER-SHARE-NAV-BEGIN> 5.95
<PER-SHARE-NII> 0.11
<PER-SHARE-GAIN-APPREC> 0.29
<PER-SHARE-DIVIDEND> 0.10
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 6.25
<EXPENSE-RATIO> 0.80
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000908186
<NAME> AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
<SERIES>
<NUMBER> 31
<NAME> REAL ESTATE FUND - INVESTOR CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 150,747,699
<INVESTMENTS-AT-VALUE> 133,361,486
<RECEIVABLES> 3,204,521
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 136,566,007
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,056,405
<TOTAL-LIABILITIES> 1,056,405
<SENIOR-EQUITY> 89,726
<PAID-IN-CAPITAL-COMMON> 170,771,515
<SHARES-COMMON-STOCK> 8,972,578
<SHARES-COMMON-PRIOR> 9,110,962
<ACCUMULATED-NII-CURRENT> 1,518,908
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (19,484,334)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (17,386,213)
<NET-ASSETS> 135,509,602
<DIVIDEND-INCOME> 5,122,429
<INTEREST-INCOME> 84,833
<OTHER-INCOME> 0
<EXPENSES-NET> 889,076
<NET-INVESTMENT-INCOME> 4,318,186
<REALIZED-GAINS-CURRENT> (2,948,264)
<APPREC-INCREASE-CURRENT> 755,092
<NET-CHANGE-FROM-OPS> 2,125,014
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 2,836,518
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 4,342,946
<NUMBER-OF-SHARES-REDEEMED> 4,691,458
<SHARES-REINVESTED> 210,128
<NET-CHANGE-IN-ASSETS> (1,538,941)
<ACCUMULATED-NII-PRIOR> 746,412
<ACCUMULATED-GAINS-PRIOR> (16,536,070)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 884,013
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 889,076
<AVERAGE-NET-ASSETS> 122,918,749
<PER-SHARE-NAV-BEGIN> 12.10
<PER-SHARE-NII> 0.37
<PER-SHARE-GAIN-APPREC> (0.17)
<PER-SHARE-DIVIDEND> 0.31
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 11.99
<EXPENSE-RATIO> 1.20
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000908186
<NAME> AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
<SERIES>
<NUMBER> 32
<NAME> REAL ESTATE FUND - INSTITUTIONAL CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 150,747,699
<INVESTMENTS-AT-VALUE> 133,361,486
<RECEIVABLES> 3,204,521
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 136,566,007
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,056,405
<TOTAL-LIABILITIES> 1,056,405
<SENIOR-EQUITY> 20,246
<PAID-IN-CAPITAL-COMMON> 170,840,995
<SHARES-COMMON-STOCK> 2,024,557
<SHARES-COMMON-PRIOR> 2,173,167
<ACCUMULATED-NII-CURRENT> 1,518,908
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (19,484,334)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (17,386,213)
<NET-ASSETS> 135,509,602
<DIVIDEND-INCOME> 5,122,429
<INTEREST-INCOME> 84,833
<OTHER-INCOME> 0
<EXPENSES-NET> 889,076
<NET-INVESTMENT-INCOME> 4,318,186
<REALIZED-GAINS-CURRENT> (2,948,264)
<APPREC-INCREASE-CURRENT> 755,092
<NET-CHANGE-FROM-OPS> 2,125,014
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 648,361
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 325,738
<NUMBER-OF-SHARES-REDEEMED> 513,719
<SHARES-REINVESTED> 39,371
<NET-CHANGE-IN-ASSETS> (1,538,941)
<ACCUMULATED-NII-PRIOR> 746,412
<ACCUMULATED-GAINS-PRIOR> (16,536,070)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 884,013
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 889,076
<AVERAGE-NET-ASSETS> 27,123,745
<PER-SHARE-NAV-BEGIN> 12.11
<PER-SHARE-NII> 0.38
<PER-SHARE-GAIN-APPREC> (0.17)
<PER-SHARE-DIVIDEND> 0.32
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 12.00
<EXPENSE-RATIO> 1.00
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000908186
<NAME> AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
<SERIES>
<NUMBER> 33
<NAME> REAL ESTATE FUND - ADVISOR CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 150,747,699
<INVESTMENTS-AT-VALUE> 133,361,486
<RECEIVABLES> 3,204,521
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 136,566,007
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,056,405
<TOTAL-LIABILITIES> 1,056,405
<SENIOR-EQUITY> 3,042
<PAID-IN-CAPITAL-COMMON> 170,858,199
<SHARES-COMMON-STOCK> 304,194
<SHARES-COMMON-PRIOR> 37,063
<ACCUMULATED-NII-CURRENT> 1,518,908
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (19,484,334)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (17,386,213)
<NET-ASSETS> 135,509,602
<DIVIDEND-INCOME> 5,122,429
<INTEREST-INCOME> 84,833
<OTHER-INCOME> 0
<EXPENSES-NET> 889,076
<NET-INVESTMENT-INCOME> 4,318,186
<REALIZED-GAINS-CURRENT> (2,948,264)
<APPREC-INCREASE-CURRENT> 755,092
<NET-CHANGE-FROM-OPS> 2,125,014
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 60,811
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 268,254
<NUMBER-OF-SHARES-REDEEMED> 5,718
<SHARES-REINVESTED> 4,595
<NET-CHANGE-IN-ASSETS> (1,538,941)
<ACCUMULATED-NII-PRIOR> 746,412
<ACCUMULATED-GAINS-PRIOR> (16,536,070)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 884,013
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 889,076
<AVERAGE-NET-ASSETS> 1,726,693
<PER-SHARE-NAV-BEGIN> 12.10
<PER-SHARE-NII> 0.41
<PER-SHARE-GAIN-APPREC> (0.23)
<PER-SHARE-DIVIDEND> 0.29
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 11.99
<EXPENSE-RATIO> 1.45
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000908186
<NAME> AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
<SERIES>
<NUMBER> 41
<NAME> SMALL CAP VALUE - INVESTOR CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 16,481,658
<INVESTMENTS-AT-VALUE> 16,191,525
<RECEIVABLES> 1,289,576
<ASSETS-OTHER> 141,119
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 17,622,220
<PAYABLE-FOR-SECURITIES> 429,936
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 21,717
<TOTAL-LIABILITIES> 451,653
<SENIOR-EQUITY> 32,064
<PAID-IN-CAPITAL-COMMON> 17,011,704
<SHARES-COMMON-STOCK> 3,206,383
<SHARES-COMMON-PRIOR> 2,412,196
<ACCUMULATED-NII-CURRENT> 27,562
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 389,370
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (290,133)
<NET-ASSETS> 17,170,567
<DIVIDEND-INCOME> 159,542
<INTEREST-INCOME> 11,774
<OTHER-INCOME> 0
<EXPENSES-NET> 108,819
<NET-INVESTMENT-INCOME> 62,497
<REALIZED-GAINS-CURRENT> 429,262
<APPREC-INCREASE-CURRENT> 109,879
<NET-CHANGE-FROM-OPS> 601,638
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 52,866
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 2,186,772
<NUMBER-OF-SHARES-REDEEMED> 1,402,401
<SHARES-REINVESTED> 9,816
<NET-CHANGE-IN-ASSETS> 4,774,298
<ACCUMULATED-NII-PRIOR> 22,512
<ACCUMULATED-GAINS-PRIOR> (39,892)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 108,738
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 108,819
<AVERAGE-NET-ASSETS> 16,426,292
<PER-SHARE-NAV-BEGIN> 4.73
<PER-SHARE-NII> 0.02
<PER-SHARE-GAIN-APPREC> 0.30
<PER-SHARE-DIVIDEND> 0.02
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 5.03
<EXPENSE-RATIO> 1.25
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000908186
<NAME> AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
<SERIES>
<NUMBER> 42
<NAME> SMALL CAP VALUE - INSTITUTIONAL CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 16,481,658
<INVESTMENTS-AT-VALUE> 16,191,525
<RECEIVABLES> 1,289,576
<ASSETS-OTHER> 141,119
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 17,622,220
<PAYABLE-FOR-SECURITIES> 429,936
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 21,717
<TOTAL-LIABILITIES> 451,653
<SENIOR-EQUITY> 2,082
<PAID-IN-CAPITAL-COMMON> 17,041,686
<SHARES-COMMON-STOCK> 208,198
<SHARES-COMMON-PRIOR> 208,198
<ACCUMULATED-NII-CURRENT> 27,562
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 389,370
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (290,133)
<NET-ASSETS> 17,170,567
<DIVIDEND-INCOME> 159,542
<INTEREST-INCOME> 11,774
<OTHER-INCOME> 0
<EXPENSES-NET> 108,819
<NET-INVESTMENT-INCOME> 62,497
<REALIZED-GAINS-CURRENT> 429,262
<APPREC-INCREASE-CURRENT> 109,879
<NET-CHANGE-FROM-OPS> 601,638
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 4,581
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 0
<NUMBER-OF-SHARES-REDEEMED> 0
<SHARES-REINVESTED> 0
<NET-CHANGE-IN-ASSETS> 4,774,298
<ACCUMULATED-NII-PRIOR> 22,512
<ACCUMULATED-GAINS-PRIOR> (39,892)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 108,738
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 108,819
<AVERAGE-NET-ASSETS> 1,094,523
<PER-SHARE-NAV-BEGIN> 4.74
<PER-SHARE-NII> 0.02
<PER-SHARE-GAIN-APPREC> 0.29
<PER-SHARE-DIVIDEND> 0.02
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 5.03
<EXPENSE-RATIO> 1.05
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM
THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY CAPITAL PORTFOLIOS, INC. AND
IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000908186
<NAME> AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
<SERIES>
<NUMBER> 51
<NAME> EQUITY INDEX FUND -INVESTOR CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 396,122,579
<INVESTMENTS-AT-VALUE> 395,681,241
<RECEIVABLES> 1,257,266
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 396,938,507
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 12,192,907
<TOTAL-LIABILITIES> 12,192,907
<SENIOR-EQUITY> 85,057
<PAID-IN-CAPITAL-COMMON> 383,080,814
<SHARES-COMMON-STOCK> 8,505,676
<SHARES-COMMON-PRIOR> 3,273,692
<ACCUMULATED-NII-CURRENT> 113,608
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 2,302,009
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (835,888)
<NET-ASSETS> 384,745,600
<DIVIDEND-INCOME> 2,354,316
<INTEREST-INCOME> 573,993
<OTHER-INCOME> 0
<EXPENSES-NET> 574,040
<NET-INVESTMENT-INCOME> 2,354,269
<REALIZED-GAINS-CURRENT> 1,650,901
<APPREC-INCREASE-CURRENT> (10,002,977)
<NET-CHANGE-FROM-OPS> (5,997,807)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 231,664
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 7,119,243
<NUMBER-OF-SHARES-REDEEMED> 1,930,053
<SHARES-REINVESTED> 42,794
<NET-CHANGE-IN-ASSETS> 103,156,236
<ACCUMULATED-NII-PRIOR> 323,966
<ACCUMULATED-GAINS-PRIOR> 651,108
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 572,074
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 574,040
<AVERAGE-NET-ASSETS> 35,379,176
<PER-SHARE-NAV-BEGIN> 5.20
<PER-SHARE-NII> 0.03
<PER-SHARE-GAIN-APPREC> (0.03)
<PER-SHARE-DIVIDEND> 0.03
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 5.17
<EXPENSE-RATIO> 0.49
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000908186
<NAME> AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
<SERIES>
<NUMBER> 52
<NAME> EQUITY INDEX FUND - INSTITUTIONAL CLASS
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 396,122,579
<INVESTMENTS-AT-VALUE> 395,681,241
<RECEIVABLES> 1,257,266
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 396,938,507
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 12,192,907
<TOTAL-LIABILITIES> 12,192,907
<SENIOR-EQUITY> 658,993
<PAID-IN-CAPITAL-COMMON> 382,506,878
<SHARES-COMMON-STOCK> 65,899,297
<SHARES-COMMON-PRIOR> 50,914,827
<ACCUMULATED-NII-CURRENT> 113,608
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> 2,302,009
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (835,888)
<NET-ASSETS> 384,745,600
<DIVIDEND-INCOME> 2,354,316
<INTEREST-INCOME> 573,993
<OTHER-INCOME> 0
<EXPENSES-NET> 574,040
<NET-INVESTMENT-INCOME> 2,354,269
<REALIZED-GAINS-CURRENT> 1,650,901
<APPREC-INCREASE-CURRENT> (10,002,977)
<NET-CHANGE-FROM-OPS> (5,997,807)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 2,332,963
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 26,246,251
<NUMBER-OF-SHARES-REDEEMED> 11,704,845
<SHARES-REINVESTED> 443,064
<NET-CHANGE-IN-ASSETS> 103,156,236
<ACCUMULATED-NII-PRIOR> 323,966
<ACCUMULATED-GAINS-PRIOR> 651,108
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 572,074
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 574,040
<AVERAGE-NET-ASSETS> 333,433,841
<PER-SHARE-NAV-BEGIN> 5.20
<PER-SHARE-NII> 0.04
<PER-SHARE-GAIN-APPREC> (0.03)
<PER-SHARE-DIVIDEND> 0.04
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 5.17
<EXPENSE-RATIO> 0.29
</TABLE>
<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED
FROM THE SEMI-ANNUAL REPORT OF AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH REPORT.
</LEGEND>
<CIK> 0000908186
<NAME> AMERICAN CENTURY CAPITAL PORTFOLIOS, INC.
<SERIES>
<NUMBER> 61
<NAME> LARGE CAP VALUE - INVESTOR CLASS
<S> <C>
<PERIOD-TYPE> 2-MOS
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> SEP-30-1999
<INVESTMENTS-AT-COST> 13,957,977
<INVESTMENTS-AT-VALUE> 12,924,248
<RECEIVABLES> 24,148
<ASSETS-OTHER> 0
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 12,948,396
<PAYABLE-FOR-SECURITIES> 63,152
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 85,942
<TOTAL-LIABILITIES> 149,094
<SENIOR-EQUITY> 28,097
<PAID-IN-CAPITAL-COMMON> 13,859,452
<SHARES-COMMON-STOCK> 2,809,738
<SHARES-COMMON-PRIOR> 0
<ACCUMULATED-NII-CURRENT> 2,452
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (56,970)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> (1,033,729)
<NET-ASSETS> 12,799,302
<DIVIDEND-INCOME> 45,892
<INTEREST-INCOME> 7,022
<OTHER-INCOME> 0
<EXPENSES-NET> 17,101
<NET-INVESTMENT-INCOME> 35,813
<REALIZED-GAINS-CURRENT> (56,970)
<APPREC-INCREASE-CURRENT> (1,033,729)
<NET-CHANGE-FROM-OPS> (1,054,886)
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 33,361
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 3,032,626
<NUMBER-OF-SHARES-REDEEMED> 229,983
<SHARES-REINVESTED> 7,095
<NET-CHANGE-IN-ASSETS> 12,799,302
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> 0
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 17,089
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 17,101
<AVERAGE-NET-ASSETS> 11,178,094
<PER-SHARE-NAV-BEGIN> 5.00
<PER-SHARE-NII> 0.02
<PER-SHARE-GAIN-APPREC> (0.45)
<PER-SHARE-DIVIDEND> 0.01
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 4.56
<EXPENSE-RATIO> 0.90
</TABLE>
ADDENDUM TO MANAGEMENT AGREEMENT
This Addendum, dated as of July 30, 1999, supplements the Management
Agreement (the "Agreement") dated as of August 1, 1997, by and between American
Century Capital Portfolios, Inc., ("ACCP") and American Century Investment
Management, Inc. ("ACIM").
IN CONSIDERATION of the mutual promises and conditions herein
contained, the parties agree as follows (all capitalized terms used herein and
not otherwise defined having the meaning given them in the Agreement):
1. ACIM shall manage the following series (the "New Series") of shares
to be issued by ACCP, and for such management shall receive the Applicable Fee
set forth below:
Average Applicable
Name of Series Name of Class Net Assets Fee Rate
- -------------- ------------- ---------- --------
Large Cap Value Fund Investor Class first $ 1 billion 0.90%
next $4 billion 0.80%
over $5 billion 0.70%
Institutional Class first $1 billion 0.70%
next $4 billion 0.60%
over $5 billion 0.50%
Advisor Class first $1 billion 0.65%
next $4 billion 0.55%
over $5 billion 0.45%
2. ACIM shall manage the New Series in accordance with the terms and
conditions specified in the Agreement for its existing management
responsibilities.
IN WITNESS WHEREOF, the parties have caused this Addendum to the
Agreement to be executed by their respective duly authorized officers as of the
day and year first above written.
Attest: AMERICAN CENTURY
CAPITAL PORTFOLIOS, INC.
/s/ David H. Reinmiller /s/ David C. Tucker
David H. Reinmiller David C. Tucker
Assistant Secretary Vice President
Attest: AMERICAN CENTURY INVESTMENT
MANAGEMENT, INC.
/s/ David H. Reinmiller /s/ William M. Lyons
David H. Reinmiller Willliam M. Lyons
Assistant Secretary Executive Vice President
