0000748054-14-000006.txt : 20140505 0000748054-14-000006.hdr.sgml : 20140505 20140505150118 ACCESSION NUMBER: 0000748054-14-000006 CONFORMED SUBMISSION TYPE: 13F-NT PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20140331 FILED AS OF DATE: 20140505 DATE AS OF CHANGE: 20140505 EFFECTIVENESS DATE: 20140505 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: 14813025 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 primary_doc.xml 13F-NT LIVE false false false 0000052388 XXXXXXXX 03-31-2014 03-31-2014 AMERICAN CENTURY INVESTMENT MANAGEMENT INC

4500 MAIN STREET KANSAS CITY MO 64111

13F NOTICE 028-01091 0000748054 028-11918 AMERICAN CENTURY COMPANIES INC N Charles A. Etherington 816-531-5575 /s/Charles A. Etherington Kansas City MO 05-05-2014