Affiliated Managers (AMG) - 2019 Q2 - Quarterly Report

QuickLinks -- Click here to rapidly navigate through this document UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM 10-Q For the quarterly period ended June 30, 2019 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 AFFILIATED MANAGERS GROUP, INC. (Exact name of registrant as specified in its charter) (Mark One) QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURIT ...