American Century Investment Management Inc - Jun 30, 2025 SCHEDULE 13G/A Report for Northwestern Energy Group, Inc. Common Stock (NWE)

Filing Manager
AMERICAN CENTURY INVESTMENT MANAGEMENT INC
Reporting Manager
American Century Investment Management, Inc.
Security
Northwestern Energy Group, Inc. Common Stock
Symbol
NWE
Shares outstanding
61.5M shares
Disclosed Ownership
2.95M shares
Ownership
4.8%
Form type
SCHEDULE 13G/A
Date filed
8/14/2025, 08:35 AM
Date of event
Jun 30, 2025
Previous filing
Feb 14, 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. 4.8% 2.95M 2.84M American Century Investment Management, Inc. /s/ John Pak / Senior Vice President
American Century Companies, Inc. 4.8% 2.95M 2.84M American Century Companies, Inc. /s/ John Pak / Senior Vice President
Stowers Institute for Medical Research 4.8% 2.95M 2.84M Stowers Institute for Medical Research /s/ Joselyn Verschelden / Authorized Signer