Vanguard Group Inc - Sep 30, 2025 SCHEDULE 13G/A Report for Affiliated Managers Group Inc Common Stock (AMG)

Filing Manager: VANGUARD GROUP INC
Reporting Manager: The Vanguard Group
Security: Affiliated Managers Group Inc Common Stock
Symbol: AMG
Shares outstanding: 28.4M shares
Disclosed Ownership: 2.77M shares
Ownership: 9.75%
Form type: SCHEDULE 13G/A
Date filed: 10/30/2025, 02:26 PM
Date of event: Sep 30, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
The Vanguard Group	9.75%	2.77M	0	175K	Ashley Grim	Head of Global Fund Administration