SEC EDGAR Filing Information

Form 485BPOS -- Post-effective amendment [Rule 485(b)]

Filing Date Changed: 2008-07-01
Effectiveness Date: 2008-07-01
Documents: 5
SEC Accession No.
0000100334-08-000042
Filing date: 2008-07-01
Accepted: 2008-07-01 15:40:09

Table of submitted documents:

Seq Type Document Size Description
1 485BPOS newoppsriskreturn.htm 5925 POST-EFFECTIVE AMENDMENT NO. 123 FOR NEW OPPS
3 EX-100.INS twnox-20080701.xml 32295 XBRL INSTANCE DOCUMENT
4 EX-100.SCH twnox-20080701.xsd 1610 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
5 EX-100.DEF twnox-20080701_def.xml 1872 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
6 EX-100.LAB twnox-20080701_lab.xml 1521 XBRL TAXONOMY EXTENSION LABELS LINKBASE DOCUMENT
0000100334-08-000042.txt 46624 Complete submission text file

Series and Classes/Contracts Information:

CIK
Series Ticker
Class/Contract Status Name Symbol
Existing
0000100334
S000006207NEW OPPORTUNITIES FUND
C000017110INVESTOR CLASSTWNOX

Filer Information:

AMERICAN CENTURY MUTUAL FUNDS, INC. (Filer) (0000100334)
IRS No.: 446006315 | State of Incorp.: MO | Fiscal Year End: 1031
Type: 485BPOS | Act: 33 | File No.: 002-14213 | Film No.: 08929521
Business Address
4500 MAIN STREET
KANSAS CITY MO 64111
816-531-5575
 Mailing Address
4500 MAIN STREET
KANSAS CITY MO 64111

AMERICAN CENTURY MUTUAL FUNDS, INC. (Filer) (0000100334)
IRS No.: 446006315 | State of Incorp.: MO | Fiscal Year End: 1031
Type: 485BPOS | Act: 40 | File No.: 811-00816 | Film No.: 08929522
Business Address
4500 MAIN STREET
KANSAS CITY MO 64111
816-531-5575
 Mailing Address
4500 MAIN STREET
KANSAS CITY MO 64111