<SEC-DOCUMENT>0000100334-16-000206-index.html : 20160715
<SEC-HEADER>0000100334-16-000206.hdr.sgml : 20160715
<ACCEPTANCE-DATETIME>20160715105254
ACCESSION NUMBER:		0000100334-16-000206
CONFORMED SUBMISSION TYPE:	497
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20160715
DATE AS OF CHANGE:		20160715
EFFECTIVENESS DATE:		20160715

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERICAN CENTURY MUTUAL FUNDS, INC.
		CENTRAL INDEX KEY:			0000100334
		IRS NUMBER:				446006315
		STATE OF INCORPORATION:			MO
		FISCAL YEAR END:			1031

	FILING VALUES:
		FORM TYPE:		497
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-14213
		FILM NUMBER:		161768924

	BUSINESS ADDRESS:	
		STREET 1:		4500 MAIN STREET
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64111
		BUSINESS PHONE:		816-531-5575

	MAIL ADDRESS:	
		STREET 1:		4500 MAIN STREET
		CITY:			KANSAS CITY
		STATE:			MO
		ZIP:			64111

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMERICAN CENTURY MUTUAL FUNDS INC
		DATE OF NAME CHANGE:	19970107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	TWENTIETH CENTURY INVESTORS INC
		DATE OF NAME CHANGE:	19920703
<SERIES-AND-CLASSES-CONTRACTS-DATA>
<EXISTING-SERIES-AND-CLASSES-CONTRACTS>
<SERIES>
<OWNER-CIK>0000100334
<SERIES-ID>S000006202
<SERIES-NAME>FOCUSED GROWTH FUND
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000017093
<CLASS-CONTRACT-NAME>INVESTOR CLASS
<CLASS-CONTRACT-TICKER-SYMBOL>AFSIX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000055518
<CLASS-CONTRACT-NAME>INSTITUTIONAL CLASS
<CLASS-CONTRACT-TICKER-SYMBOL>AFGNX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000055519
<CLASS-CONTRACT-NAME>A CLASS
<CLASS-CONTRACT-TICKER-SYMBOL>AFGAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000055521
<CLASS-CONTRACT-NAME>C CLASS
<CLASS-CONTRACT-TICKER-SYMBOL>AFGCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000055522
<CLASS-CONTRACT-NAME>R CLASS
<CLASS-CONTRACT-TICKER-SYMBOL>AFGRX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
</SERIES-AND-CLASSES-CONTRACTS-DATA>
</SEC-HEADER>
<DOCUMENT>
<TYPE>497
<SEQUENCE>1
<FILENAME>acmf07152016focusedgrowth4.htm
<DESCRIPTION>497
<TEXT>
Document 1 - file: acmf07152016focusedgrowth4.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>acihorizblk84.jpg
<TEXT>
Document 2 - file: acihorizblk84.jpg

</DOCUMENT>
</SEC-DOCUMENT>