Affiliated Managers (AMG) - 2023 Q4 - Annual Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ___________________________________________________________________________ FORM 10-K (Mark One) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE ☒ SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE ☐ SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-13459 ___________________________________________________ ...