AFFILIATED MANAGERS GROUP (AMG) Institutional Ownership and Insiders Activity

AFFILIATED MANAGERS GROUP (AMG) is widely held by institutional investors, with 4 tracked firms reporting positions valued at approximately $327.58M based on SEC Form 13F filings for the quarter ended March 31, 2026.

Ariel Appreciation Fund is the largest disclosed holder, reporting approximately $294.42M in AMG holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Ariel Appreciation Fund representing the majority of disclosed value.