AMERICAN CENTURY INVESTMENT MANAGEMENT INC - 31 Dec 2025 SCHEDULE 13G Report for International Bancshares Corporation Common Stock (IBOC)

Filing Manager
AMERICAN CENTURY INVESTMENT MANAGEMENT INC
Reporting Manager
American Century Investment Management, Inc.
Security
International Bancshares Corporation Common Stock
Symbol
IBOC
Shares outstanding
61,507,788 shares
Disclosed Ownership
3,198,405 shares
Ownership
5.2%
Form type
SCHEDULE 13G
Filing time
13 Feb 2026, 10:20:04 UTC
Date of event
31 Dec 2025
SEC
View on sec.gov

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
American Century Investment Management, Inc. 5.2% 3,198,405 3,147,327 0 American Century Investment Management, Inc. /s/ John Pak / Senior Vice President
American Century Companies, Inc. 5.2% 3,198,405 3,147,327 0 American Century Companies, Inc. /s/ John Pak / Senior Vice President
Stowers Institute for Medical Research 5.2% 3,198,405 3,147,327 0 Stowers Institute for Medical Research /s/ Joselyn Verschelden / Authorized Signer