Clarkston Capital Partners, LLC - 31 Dec 2025 SCHEDULE 13G/A Report for Affiliated Managers Group, Inc. Common Stock (AMG)

Quoteable Key Fact

"Clarkston Capital Partners, LLC disclosed 3.2% ownership in Affiliated Managers Group, Inc. Common Stock (AMG) on 31 Dec 2025."

Quick Takeaways

Clarkston Capital Partners, LLC filed SCHEDULE 13G/A for Affiliated Managers Group, Inc. Common Stock (AMG).
Disclosed ownership: 3.2%.
Date of event: 31 Dec 2025.

This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
You can verify ownership claims directly against the original SEC filing.

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title
Clarkston Capital Partners, LLC	3.2%	904,119	452,500	394,049	/s/ Jeffrey A. Hakala	Chief Executive Officer
Clarkston Companies, Inc.	3.2%	904,119	452,500	394,049	/s/ Jeffrey A. Hakala	Chief Executive Officer and President
Modell Capital LLC	3.2%	904,119	452,500	394,049	/s/ Jeremy J. Modell	Member
Jeffrey A. Hakala	3.2%	904,119	452,500	394,049	/s/ Jeffrey A. Hakala	Jeffrey A. Hakala
Gerald W. Hakala	3.2%	904,119	452,500	394,049	/s/ Gerald W. Hakala	Gerald W. Hakala
Jeremy J. Modell	3.2%	904,119	452,500	394,049	/s/ Jeremy J. Modell	Jeremy J. Modell