Historical shareholding details of NorthStar Asset Management, Inc. holdings in Affiliated Managers Group Inc. (AMG)

Monthly changes of NorthStar Asset Management, Inc. shareholding in Affiliated Managers Group Inc. over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Jun 30, 2025	Northstar Asset Management, Inc.	102,081	0.34%

Mar 31, 2025	Northstar Asset Management, Inc.	102,144	0.35%

Dec 31, 2024	Northstar Asset Management, Inc.	101,921	0.35%

Sep 30, 2024	Northstar Asset Management, Inc.	101,338	0.34%

Jun 30, 2024	Northstar Asset Management, Inc.	100,015	0.33%

Mar 31, 2024	Northstar Asset Management, Inc.	99,817	0.33%

Dec 31, 2023	Northstar Asset Management, Inc.	97,474	0.30%

Sep 30, 2023	Northstar Asset Management, Inc.	97,254	0.30%

Jun 30, 2023	North Star Asset Management Inc	96,393	0.28%

Mar 31, 2023	North Star Asset Management Inc	95,339	0.27%

Dec 31, 2022	North Star Asset Management Inc	95,611	0.26%