0000052388-12-000043.txt : 20121113
0000052388-12-000043.hdr.sgml : 20121112
20121113093335
ACCESSION NUMBER: 0000052388-12-000043
CONFORMED SUBMISSION TYPE: 13F-NT
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20120930
FILED AS OF DATE: 20121113
DATE AS OF CHANGE: 20121113
EFFECTIVENESS DATE: 20121113
FILER:
COMPANY DATA:
COMPANY CONFORMED NAME: AMERICAN CENTURY INVESTMENT MANAGEMENT INC
CENTRAL INDEX KEY: 0000052388
IRS NUMBER: 440640487
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 13F-NT
SEC ACT: 1934 Act
SEC FILE NUMBER: 028-01091
FILM NUMBER: 121196300
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: INVESTORS RESEARCH CORP
DATE OF NAME CHANGE: 19920929
13F-NT
1
aci0912.txt
ACIM FORM 13F-NT 09/30/2012
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Form 13F
Form 13F COVER PAGE
Report for the Calendar Year or Quarter Ended: 09/30/2012
Check here if Amendment [ ]; Amendment Number:
This Amendment (Check only one.): [ ] is a restatement.
[ ] adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name: American Century Investment Management, Inc.
Address: 4500 Main
Kansas City, MO 64111
13F File Number: 028-01091
The institutional investment manager filing this report and the person by whom
it is signed hereby represent that the person signing the report is authorized
to submit it, that all information contained herein is true, correct and
complete, and that it is understood that all required items, statements,
schedules, lists, and tables, are considered integral parts of this form.
Person Signing this Report on Behalf of Reporting Manager:
Name: Charles A. Etherington
Title: Senior Vice President
Phone: 816-531-5575
Signature, Place, and Date of Signing:
/s/Charles A. Etherington Kansas City, MO November 13, 2012
Report Type (Check only one.):
[ ] 13F HOLDINGS REPORT.
[ X] 13F NOTICE.
[ ] 13F COMBINATION REPORT.
List of Other Managers Reporting for this Manager:
Form 13F File Number Name
028-11918 American Century Companies, Inc.