MORGAN STANLEY - 30 Sep 2025 SCHEDULE 13G/A Report for AFFILIATED MANAGERS GROUP, INC. Common Stock (AMG)

Filing Manager
MORGAN STANLEY
Reporting Manager
Morgan Stanley
Symbol
AMG
Shares outstanding
28,334,100 shares
Disclosed Ownership
1,983,387 shares
Ownership
7%
Form type
SCHEDULE 13G/A
Filing time
07 Nov 2025, 12:16:29 UTC
Date of event
30 Sep 2025

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Morgan Stanley 7% 1,983,387 0 1,796,796 Christopher O'Hara Authorized Signatory, Morgan Stanley
Atlanta Capital Management Company, LLC 6.3% 1,778,903 0 1,608,717 Kelly Williams Authorized Signatory, Atlanta Capital Management Company, LLC
Eaton Vance Atlanta Capital SMID-Cap Fund 4.5% 1,276,051 0 1,276,051 Kelly Williams Authorized Signatory, Eaton Vance Atlanta Capital SMID-Cap Fund