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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: C000017110 INVESTOR CLASS 
Ticker Symbol:   TWNOX
(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
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0001410368-18-000022 (33 Act)  Size: 16 KB
2018-01-19 002-14213
18535537
NSAR-B  Documents Annual report for management companies
Acc-no: 0001410368-17-001930 (40 Act)  Size: 133 KB
2017-12-28 811-00816
171278777
497  Documents Definitive materials
Acc-no: 0000908186-17-000255 (33 Act)  Size: 157 KB
2017-10-18 002-14213
171142404
497  Documents Definitive materials
Acc-no: 0000908186-17-000251 (33 Act)  Size: 147 KB
2017-09-29 002-14213
171109936
N-Q  Documents Quarterly Schedule of portfolio holdings of management investment companies
Acc-no: 0000100334-17-000210 (40 Act)  Size: 5 MB
2017-09-27 811-00816
171103217
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001293210-17-000337 (34 Act)  Size: 449 KB
2017-08-22 811-00816
171045144
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0000100334-17-000207 (40 Act)  Size: 3 MB
2017-08-21 811-00816
171042913
497  Documents   Interactive Data Definitive materials
Acc-no: 0000100334-17-000198 (33 Act)  Size: 492 KB
2017-08-18 002-14213
171040675
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001293210-17-000330 (34 Act)  Size: 4 MB
2017-08-16 811-00816
171036961
497  Documents Definitive materials
Acc-no: 0000872825-17-000130 (33 Act)  Size: 152 KB
2017-07-28 002-14213
17988352
497  Documents Definitive materials
Acc-no: 0000100334-17-000176 (33 Act)  Size: 119 KB
2017-07-28 002-14213
17988855
497  Documents Definitive materials
Acc-no: 0000100334-17-000168 (33 Act)  Size: 100 KB
2017-07-28 002-14213
17988672
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0000100334-17-000170 (33 Act)  Size: 100 KB
2017-07-28 002-14213
17988685
NSAR-A  Documents Semi-annual report for management companies
Acc-no: 0001410368-17-000931 (40 Act)  Size: 116 KB
2017-06-27 811-00816
17931975
N-CSRS  Documents Certified Shareholder Report, Semi-Annual
Acc-no: 0000100334-17-000132 (40 Act)  Size: 11 MB
2017-06-27 811-00816
17931212
NSAR-B/A  Documents [Amend] Annual report for management companies
Acc-no: 0001410368-17-000876 (40 Act)  Size: 121 KB
2017-06-05 811-00816
17891026
497  Documents   Interactive Data Definitive materials
Acc-no: 0000100334-17-000128 (33 Act)  Size: 363 KB
2017-04-26 002-14213
17783953
497  Documents Definitive materials
Acc-no: 0000100334-17-000105 (33 Act)  Size: 1 MB
2017-04-07 002-14213
17748222
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0000100334-17-000096 (33 Act)  Size: 108 KB
2017-04-07 002-14213
17747170
497  Documents Definitive materials
Acc-no: 0000100334-17-000088 (33 Act)  Size: 143 KB
2017-04-07 002-14213
17747103
N-Q  Documents Quarterly Schedule of portfolio holdings of management investment companies
Acc-no: 0000100334-17-000065 (40 Act)  Size: 5 MB
2017-03-29 811-00816
17721745
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0000100334-17-000063 (33 Act)  Size: 4 MB
2017-03-16 002-14213
17693335
485BPOS  Documents   Interactive Data Post-effective amendment [Rule 485(b)]
Acc-no: 0000100334-17-000063 (40 Act)  Size: 4 MB
2017-03-16 811-00816
17693334
497J  Documents Certification of no change in definitive materials
Acc-no: 0000100334-17-000060 (33 Act)  Size: 117 KB
2017-03-06 002-14213
17666822
497K  Documents Summary Prospectus for certain open-end management investment companies filed pursuant to Securities Act Rule 497(K)
Acc-no: 0000100334-17-000043 (33 Act)  Size: 250 KB
2017-02-27 002-14213
17641333
485BPOS  Documents Post-effective amendment [Rule 485(b)]
Acc-no: 0000100334-17-000037 (40 Act)  Size: 7 MB
2017-02-27 811-00816
17641242
485BPOS  Documents Post-effective amendment [Rule 485(b)]
Acc-no: 0000100334-17-000037 (33 Act)  Size: 7 MB
2017-02-27 002-14213
17641241
24F-2NT  Documents Rule 24F-2 notice
Acc-no: 0001410368-17-000013 (33 Act)  Size: 14 KB
2017-01-13 002-14213
17527491
497  Documents Definitive materials
Acc-no: 0001293210-17-000005 (33 Act)  Size: 166 KB
2017-01-06 002-14213
17513439
497  Documents Definitive materials
Acc-no: 0000100334-17-000008 (33 Act)  Size: 234 KB
2017-01-05 002-14213
17511436
N-CSR  Documents Certified Shareholder Report
Acc-no: 0000100334-16-000278 (40 Act)  Size: 12 MB
2016-12-29 811-00816
162074394
NSAR-B  Documents Annual report for management companies
Acc-no: 0001410368-16-003435 (40 Act)  Size: 119 KB
2016-12-23 811-00816
162068316
497  Documents Definitive materials
Acc-no: 0000100334-16-000269 (33 Act)  Size: 1 MB
2016-11-28 002-14213
162019007
497  Documents Definitive materials
Acc-no: 0000100334-16-000252 (33 Act)  Size: 125 KB
2016-11-04 002-14213
161975178
N-Q  Documents Quarterly Schedule of portfolio holdings of management investment companies
Acc-no: 0000100334-16-000244 (40 Act)  Size: 5 MB
2016-09-27 811-00816
161904043
N-PX  Documents Annual Report of proxy voting record of management investment companies
Acc-no: 0000100334-16-000235 (40 Act)  Size: 5 MB
2016-08-26 811-00816
161853513
497  Documents Definitive materials
Acc-no: 0001293210-16-000264 (33 Act)  Size: 150 KB
2016-07-29 002-14213
161792601
497  Documents Definitive materials
Acc-no: 0000100334-16-000195 (33 Act)  Size: 108 KB
2016-07-06 002-14213
161752870
N-CSRS  Documents Certified Shareholder Report, Semi-Annual
Acc-no: 0000100334-16-000185 (40 Act)  Size: 11 MB
2016-06-28 811-00816
161734779
NSAR-A  Documents Semi-annual report for management companies
Acc-no: 0001410368-16-002555 (40 Act)  Size: 112 KB
2016-06-27 811-00816
161733154