{"url_path":"/sec/amg/8-k/2026-02-12/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-02-12","source_url":"https://www.sec.gov/Archives/edgar/data/1004434/0001193125-26-047590-index.html","accession_number":"0001193125-26-047590","cik":"0001004434","ticker":"AMG","issuer_name":"AFFILIATED MANAGERS GROUP, INC.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1004434/0001193125-26-047590-index.html","primary_entity_key":"0001004434","primary_entity_name":"AFFILIATED MANAGERS GROUP, INC."},"word_count":375,"has_tables":true,"body_markdown":"8-K\n\nfalse 0001004434 0001004434 2026-02-10 2026-02-10 0001004434 us-gaap:CommonStockMember 2026-02-10 2026-02-10 0001004434 amg:FivePointEightSeventyFiveJuniorSubordinatedNotesDue2059Member 2026-02-10 2026-02-10 0001004434 amg:FourPointSeventyFiveJuniorSubordinatedNotesDue2060Member 2026-02-10 2026-02-10 0001004434 amg:FourPointTwoJuniorSubordinatedNotesDue2061Member 2026-02-10 2026-02-10 0001004434 amg:SixPointSeventyFiveJuniorSubordinatedNotesDue2064Member 2026-02-10 2026-02-10\n\n \n\n \n\nUNITED STATES\n\nSECURITIES AND EXCHANGE COMMISSION\n\nWASHINGTON, D.C. 20549\n\n \n\n \n\nFORM 8-K\n\n \n\n \n\nCURRENT REPORT\n\nPURSUANT TO SECTION 13 OR 15(D)\n\nOF THE SECURITIES EXCHANGE ACT OF 1934\n\nDate of report (Date of earliest event reported): February 10, 2026\n\n \n\n \n\nAFFILIATED MANAGERS GROUP, INC.\n\n(Exact Name of Registrant as Specified in Its Charter)\n\n \n\n \n\nDelaware\n\n(State or Other Jurisdiction\n\nof Incorporation)\n\n \n\n001-13459\n \n04-3218510\n\n(Commission\n\nFile Number)\n\n \n(IRS Employer\nIdentification No.)\n\n \n\n777 South Flagler Drive, West Palm Beach, Florida 33401\n\n(Address of Principal Executive Offices)\n\n(800) 345-1100\n\n(Registrant’s Telephone Number, Including Area Code)\n\nN/A\n\n(Former Name or Former Address, if Changed Since Last Report)\n\n \n\n \n\nCheck the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):\n\n \n\n \n☐\n\nWritten communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)\n\n \n\n \n☐\n\nSoliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\n \n\n \n☐\n\nPre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))\n\n \n\n \n☐\n\nPre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))\n\nSecurities registered pursuant to Section 12(b) of the Act:\n\n \n\nTitle of each class\n\n \n\nTrading\nSymbol(s)\n\n \n\nName of each exchange\n\non which registered\n\nCommon Stock ($0.01 par value)\n \nAMG\n \nNew York Stock Exchange\n\n5.875% Junior Subordinated Notes due 2059\n \nMGR\n \nNew York Stock Exchange\n\n4.750% Junior Subordinated Notes due 2060\n \nMGRB\n \nNew York Stock Exchange\n\n4.200% Junior Subordinated Notes due 2061\n \nMGRD\n \nNew York Stock Exchange\n\n6.750% Junior Subordinated Notes due 2064\n \nMGRE\n \nNew York Stock Exchange\n\nIndicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).\n\nEmerging growth company ☐\n\nIf an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐"}