Definitive Materials Filed by Investment Companies. (497)

American Century Capital Portfolios, Inc. Prospectus Supplement Global Real Estate Fund
Supplement dated November 1, 2013 ¡ Prospectus dated July 26, 2013

The following replaces the callout under the seventh paragraph of the What are the principal risks of investing in the fund? section on page 7 of the prospectus.

The fund considers a security to be an emerging markets security if its issuer is located outside

the following developed countries list, which is subject to change: Australia, Austria, Belgium,

Bermuda, Canada, Denmark, Finland, France, Germany, Hong Kong, Ireland, Israel, Italy,

Japan, The Netherlands, New Zealand, Norway, Portugal, Singapore, Spain, Sweden,

Switzerland, the United Kingdom and the United States.