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Mailing Address 4500 MAIN STREET KANSAS CITY MO 64111
Business Address 4500 MAIN STREET KANSAS CITY MO 64111 816-531-5575
AMERICAN CENTURY MUTUAL FUNDS, INC. CIK#: 0000100334 (see all company filings)

State location: MO | State of Inc.: MD | Fiscal Year End: 1031
formerly: AMERICAN CENTURY MUTUAL FUNDS INC (filings through 2006-01-05)
formerly: TWENTIETH CENTURY INVESTORS INC (filings through 1996-12-23)
Class/Contract: C000017061 A CLASS 
Ticker Symbol:   TWUAX
(List all Funds and Classes/Contracts for AMERICAN CENTURY MUTUAL FUNDS, INC.)

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Items 1 - 40  0000100334 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-24-017646 (40 Act)  Size: 204 KB
2024-03-27 811-00816
24785347
497J  Documents Certification of no change in definitive materials
Acc-no: 0000100334-24-000035 (33 Act)  Size: 112 KB
2024-03-06 002-14213
24724635
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0000100334-24-000012 (40 Act)  Size: 11 MB
2024-02-28 811-00816
24691892
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0000100334-24-000031 (33 Act)  Size: 318 KB
2024-02-28 002-14213
24692596
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0000100334-24-000012 (33 Act)  Size: 11 MB
2024-02-28 002-14213
24691891
N-CEN  Documents Annual Report for Registered Investment Companies
Acc-no: 0001145549-24-001681 (40 Act)  Size: 393 KB
2024-01-11 811-00816
24528255
497  Documents Definitive materials
Acc-no: 0000872825-23-000076 (33 Act)  Size: 109 KB
2023-12-29 002-14213
231524998
N-CSR  Documents Certified Shareholder Report
Acc-no: 0000100334-23-000073 (40 Act)  Size: 7 MB
2023-12-28 811-00816
231520816
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0001752724-23-289006 (33 Act)  Size: 12 KB
2023-12-22 002-14213
231508175
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-23-076981 (40 Act)  Size: 77 KB
2023-12-22 811-00816
231508110
497  Documents Definitive materials
Acc-no: 0001293210-23-000094 (33 Act)  Size: 181 KB
2023-10-26 002-14213
231350218
497  Documents Definitive materials
Acc-no: 0000100334-23-000060 (33 Act)  Size: 1 MB
2023-10-23 002-14213
231338785
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-23-056468 (40 Act)  Size: 220 KB
2023-09-21 811-00816
231268880
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0000100334-23-000052 (40 Act)  Size: 2 MB
2023-08-28 811-00816
231210899
497  Documents   Interactive Data Definitive materials
Acc-no: 0000100334-23-000045 (33 Act)  Size: 1 MB
2023-07-31 002-14213
231125791
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0000100334-23-000047 (33 Act)  Size: 320 KB
2023-07-31 002-14213
231125805
N-CSRS  Documents Certified Shareholder Report, Semi-Annual
Acc-no: 0000100334-23-000029 (40 Act)  Size: 6 MB
2023-06-28 811-00816
231051198
497  Documents Definitive materials
Acc-no: 0001293210-23-000079 (33 Act)  Size: 154 KB
2023-06-28 002-14213
231050519
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-23-037806 (40 Act)  Size: 83 KB
2023-06-23 811-00816
231038465
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-23-018812 (40 Act)  Size: 228 KB
2023-03-28 811-00816
23768363
497J  Documents Certification of no change in definitive materials
Acc-no: 0000100334-23-000027 (33 Act)  Size: 113 KB
2023-03-06 002-14213
23708036
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0000100334-23-000011 (40 Act)  Size: 12 MB
2023-02-28 811-00816
23680195
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0000100334-23-000011 (33 Act)  Size: 12 MB
2023-02-28 002-14213
23680194
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0000100334-23-000021 (33 Act)  Size: 320 KB
2023-02-28 002-14213
23683812
N-CEN  Documents Annual Report for Registered Investment Companies
Acc-no: 0001145549-23-001122 (40 Act)  Size: 404 KB
2023-01-11 811-00816
23522304
N-CSR  Documents Certified Shareholder Report
Acc-no: 0000100334-22-000089 (40 Act)  Size: 7 MB
2022-12-29 811-00816
221497011
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0001752724-22-297354 (33 Act)  Size: 12 KB
2022-12-29 002-14213
221498351
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-22-077390 (40 Act)  Size: 85 KB
2022-12-21 811-00816
221479212
497  Documents Definitive materials
Acc-no: 0001293210-22-000114 (33 Act)  Size: 95 KB
2022-12-14 002-14213
221461311
497  Documents Definitive materials
Acc-no: 0000872825-22-000133 (33 Act)  Size: 81 KB
2022-11-30 002-14213
221434672
497  Documents Definitive materials
Acc-no: 0001293210-22-000039 (33 Act)  Size: 142 KB
2022-10-31 002-14213
221344805
497  Documents Definitive materials
Acc-no: 0001293210-22-000034 (33 Act)  Size: 154 KB
2022-10-13 002-14213
221308633
NPORT-P  Documents Monthly Portfolio Investments Report on Form N-PORT (Public)
Acc-no: 0001145549-22-056655 (40 Act)  Size: 232 KB
2022-09-23 811-00816
221261466
497  Documents Definitive materials
Acc-no: 0000100334-22-000085 (33 Act)  Size: 50 KB
2022-09-08 002-14213
221233515
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001293210-22-000027 (34 Act)  Size: 831 KB
2022-08-19 811-00816
221178286
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0000100334-22-000080 (40 Act)  Size: 2 MB
2022-08-19 811-00816
221179270
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001293210-22-000024 (34 Act)  Size: 5 MB
2022-08-12 811-00816
221159079
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0000100334-22-000068 (33 Act)  Size: 313 KB
2022-07-29 002-14213
221118576
497  Documents   Interactive Data Definitive materials
Acc-no: 0000100334-22-000062 (33 Act)  Size: 2 MB
2022-07-29 002-14213
221118493
497  Documents Definitive materials
Acc-no: 0000100334-22-000060 (33 Act)  Size: 109 KB
2022-07-27 002-14213
221109387