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<title>amg-20211101</title></head><body><div style="display:none"><ix:header><ix:hidden><ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" name="dei:EntityCentralIndexKey" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF80L2ZyYWc6YTVjZGNjM2Y5ZmI3NGRlYWE1ZWYyNDljZGFlMzA3NjgvdGFibGU6ZTg1NmRhMGIyODYxNGMxNDgzMWVhNDQ2NjdjNzA1OTYvdGFibGVyYW5nZTplODU2ZGEwYjI4NjE0YzE0ODMxZWE0NDY2N2M3MDU5Nl8xLTEtMS0xLTA_8d944592-c115-4e61-8e77-eac50e60ef9c">0001004434</ix:nonNumeric><ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" name="dei:AmendmentFlag" 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style="min-height:42.75pt;width:100%"><div><span><br/></span></div></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.853%"><tr><td style="width:1.0%"></td><td style="width:98.900%"></td><td style="width:0.1%"></td></tr><tr style="height:3pt"><td colspan="3" style="border-bottom:0.5pt solid #000000;border-top:3pt solid #000000;padding:0 1pt"></td></tr></table></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:18pt;font-weight:700;line-height:120%">UNITED STATES</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:18pt;font-weight:700;line-height:120%">SECURITIES AND EXCHANGE COMMISSION</span></div><div style="margin-top:3pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">WASHINGTON, D.C. 20549</span></div><div style="margin-top:9pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:18pt;font-weight:700;line-height:120%">FORM <ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" name="dei:DocumentType" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGV4dHJlZ2lvbjo4MmYyOTZhZTZmNWM0ZTI5OGY5YjVmMjEwMmI0M2IzZV8xNDEz_f002ab8b-01ae-4247-bf57-83face92dd97">8-K</ix:nonNumeric> </span></div><div style="margin-top:9pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:120%">CURRENT REPORT</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:120%">PURSUANT TO SECTION 13 OR 15(D) OF THE</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:12pt;font-weight:700;line-height:120%">SECURITIES EXCHANGE ACT OF 1934</span></div><div style="margin-top:6pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Date of report (Date of earliest event reported): </span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" format="ixt:date-monthname-day-year-en" name="dei:DocumentPeriodEndDate" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGV4dHJlZ2lvbjo4MmYyOTZhZTZmNWM0ZTI5OGY5YjVmMjEwMmI0M2IzZV8yMjU_a589ba7e-6329-4144-9baa-f29501ad5f13">November&#160;1, 2021</ix:nonNumeric> </span></div><div style="margin-top:6pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:18pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" name="dei:EntityRegistrantName" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGV4dHJlZ2lvbjo4MmYyOTZhZTZmNWM0ZTI5OGY5YjVmMjEwMmI0M2IzZV8xNDE4_81134104-06aa-4702-b4d0-aa6c2d96e2a8">AFFILIATED MANAGERS GROUP, INC.</ix:nonNumeric> </span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(Exact Name of Registrant as Specified in Its Charter)</span></div><div style="margin-top:9pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" format="ixt-sec:stateprovnameen" name="dei:EntityIncorporationStateCountryCode" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGV4dHJlZ2lvbjo4MmYyOTZhZTZmNWM0ZTI5OGY5YjVmMjEwMmI0M2IzZV8xNDE0_8ded8f76-8546-4865-8bad-01167633017d">Delaware</ix:nonNumeric> </span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(State or Other Jurisdiction of 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Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">(IRS Employer Identification No.)</span></td></tr></table></div><div style="margin-top:6pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%"><ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" name="dei:EntityAddressAddressLine1" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGV4dHJlZ2lvbjo4MmYyOTZhZTZmNWM0ZTI5OGY5YjVmMjEwMmI0M2IzZV8xNDE1_1ce18688-b991-4f48-963e-60e2db68d10a">777 South Flagler Drive</ix:nonNumeric>, <ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" name="dei:EntityAddressCityOrTown" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGV4dHJlZ2lvbjo4MmYyOTZhZTZmNWM0ZTI5OGY5YjVmMjEwMmI0M2IzZV8xNDE2_a1d07301-08e4-47b4-b20e-87f091204a43">West Palm Beach</ix:nonNumeric>, <ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" format="ixt-sec:stateprovnameen" name="dei:EntityAddressStateOrProvince" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGV4dHJlZ2lvbjo4MmYyOTZhZTZmNWM0ZTI5OGY5YjVmMjEwMmI0M2IzZV8xNDE5_bc45ee55-f994-45c0-b935-3668eb51e9e4">Florida</ix:nonNumeric> <ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" name="dei:EntityAddressPostalZipCode" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGV4dHJlZ2lvbjo4MmYyOTZhZTZmNWM0ZTI5OGY5YjVmMjEwMmI0M2IzZV8xNDEy_717931fe-82c2-4329-a072-0d9c9165b298">33401</ix:nonNumeric> </span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(Address of principal executive offices)</span></div><div style="margin-top:6pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">(<ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" name="dei:CityAreaCode" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGV4dHJlZ2lvbjo4MmYyOTZhZTZmNWM0ZTI5OGY5YjVmMjEwMmI0M2IzZV8xNDIw_e06303b3-ed05-4378-b81e-aa557bca65a9">800</ix:nonNumeric>) <ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" name="dei:LocalPhoneNumber" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGV4dHJlZ2lvbjo4MmYyOTZhZTZmNWM0ZTI5OGY5YjVmMjEwMmI0M2IzZV8xNDIx_ebc70f5f-fec9-4a84-a562-019f89faff69">345-1100</ix:nonNumeric> </span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(Registrant&#8217;s Telephone Number, Including Area Code)</span></div><div style="margin-top:6pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">N/A</span></div><div style="text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">(Former Name or Former Address, if Changed Since Last Report)</span></div><div style="margin-top:6pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Check 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 (</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%">see</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%"> General Instruction A.2. below):</span></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:3.738%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:94.062%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" format="ixt-sec:boolballotbox" name="dei:WrittenCommunications" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGFibGU6Yjg1ZjY1ZTIxYzI0NGE4ZWEwNDE5ZGY2ZWZmNjI2NTAvdGFibGVyYW5nZTpiODVmNjVlMjFjMjQ0YThlYTA0MTlkZjZlZmY2MjY1MF8wLTAtMS0xLTA_fe5a18d6-7a8a-43b7-b93c-09420986f714">&#9744;</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</span></td></tr></table></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:3.738%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:94.062%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" format="ixt-sec:boolballotbox" name="dei:SolicitingMaterial" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGFibGU6OWYwNTQxODhlZmQ1NGFmODgzY2ZjYTBkNzQ0ZmNjMzQvdGFibGVyYW5nZTo5ZjA1NDE4OGVmZDU0YWY4ODNjZmNhMGQ3NDRmY2MzNF8wLTAtMS0xLTA_d6c6bf81-a162-4fe4-b0a6-5fe9edcbceb4">&#9744;</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</span></td></tr></table></div><div style="margin-top:5pt"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:3.738%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:94.062%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" format="ixt-sec:boolballotbox" name="dei:PreCommencementTenderOffer" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGFibGU6NjNmNTEzYTBlOTNkNGMzZWEzNmUyNzMwZTllZmU2NDEvdGFibGVyYW5nZTo2M2Y1MTNhMGU5M2Q0YzNlYTM2ZTI3MzBlOWVmZTY0MV8wLTAtMS0xLTA_227d2235-15de-4be7-8c8c-d26fa23ea7bd">&#9744;</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</span></td></tr></table></div><div><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.707%"><tr><td style="width:1.0%"></td><td style="width:3.738%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:94.062%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Arial Unicode MS',sans-serif;font-size:10pt;font-weight:400;line-height:100%"><ix:nonNumeric contextRef="i9b9e8e1eb38f404ab0611add9d6aa5d1_D20211101-20211101" format="ixt-sec:boolballotbox" name="dei:PreCommencementIssuerTenderOffer" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGFibGU6YWJjYTQ5MzlmMmI0NDE5ZTg5MjQxMThkMWMwZGM4ZmUvdGFibGVyYW5nZTphYmNhNDkzOWYyYjQ0MTllODkyNDExOGQxYzBkYzhmZV8wLTAtMS0xLTA_266d8320-a4ac-476b-8745-8321907c7131">&#9744;</ix:nonNumeric></span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</span></td></tr></table></div><div style="margin-top:10pt;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Securities registered pursuant to Section 12(b) of the Act:</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:93.128%"><tr><td style="width:1.0%"></td><td style="width:40.815%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.584%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:13.499%"></td><td style="width:0.1%"></td><td style="width:0.1%"></td><td style="width:0.584%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:40.818%"></td><td style="width:0.1%"></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Title of each class</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Trading Symbol(s)</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:8pt;font-weight:700;line-height:100%">Name of each exchange on which registered</span></td></tr><tr><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="idfe0779dfe3b4880b62dc477986d44f9_D20211101-20211101" name="dei:Security12bTitle" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGFibGU6MDg1MTFhMzhiNzE3NDRiYWIxOGU5OTdlZDkzNTI2NmQvdGFibGVyYW5nZTowODUxMWEzOGI3MTc0NGJhYjE4ZTk5N2VkOTM1MjY2ZF8xLTAtMS0xLTA_163051cf-704a-4ba1-8854-93638d40b73f">Common Stock ($0.01 par value)</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="idfe0779dfe3b4880b62dc477986d44f9_D20211101-20211101" name="dei:TradingSymbol" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGFibGU6MDg1MTFhMzhiNzE3NDRiYWIxOGU5OTdlZDkzNTI2NmQvdGFibGVyYW5nZTowODUxMWEzOGI3MTc0NGJhYjE4ZTk5N2VkOTM1MjY2ZF8xLTItMS0xLTA_7aa61d08-1288-4a2f-b825-3f98e5eedc8c">AMG</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="border-top:1pt solid #000000;padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="idfe0779dfe3b4880b62dc477986d44f9_D20211101-20211101" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGFibGU6MDg1MTFhMzhiNzE3NDRiYWIxOGU5OTdlZDkzNTI2NmQvdGFibGVyYW5nZTowODUxMWEzOGI3MTc0NGJhYjE4ZTk5N2VkOTM1MjY2ZF8xLTQtMS0xLTA_cd7c2b6a-d509-4271-8036-4edd1b5721bd">New York Stock Exchange</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="i860249c2233040968287ce8974ceadad_D20211101-20211101" name="dei:Security12bTitle" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGFibGU6MDg1MTFhMzhiNzE3NDRiYWIxOGU5OTdlZDkzNTI2NmQvdGFibGVyYW5nZTowODUxMWEzOGI3MTc0NGJhYjE4ZTk5N2VkOTM1MjY2ZF8yLTAtMS0xLTA_a7678aac-af39-481e-b4a3-327508643c2c">5.875% Junior Subordinated Notes due 2059</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="i860249c2233040968287ce8974ceadad_D20211101-20211101" name="dei:TradingSymbol" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGFibGU6MDg1MTFhMzhiNzE3NDRiYWIxOGU5OTdlZDkzNTI2NmQvdGFibGVyYW5nZTowODUxMWEzOGI3MTc0NGJhYjE4ZTk5N2VkOTM1MjY2ZF8yLTItMS0xLTA_92f9fdb7-42bc-44b7-bbf1-fec29d6dcad0">MGR</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="i860249c2233040968287ce8974ceadad_D20211101-20211101" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGFibGU6MDg1MTFhMzhiNzE3NDRiYWIxOGU5OTdlZDkzNTI2NmQvdGFibGVyYW5nZTowODUxMWEzOGI3MTc0NGJhYjE4ZTk5N2VkOTM1MjY2ZF8yLTQtMS0xLTA_e40d74cf-5bc4-4aa5-aa51-40a3f9a5c0a6">New York Stock Exchange</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="i472444e1ba254092bff1a701d4f6d1b8_D20211101-20211101" name="dei:Security12bTitle" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGFibGU6MDg1MTFhMzhiNzE3NDRiYWIxOGU5OTdlZDkzNTI2NmQvdGFibGVyYW5nZTowODUxMWEzOGI3MTc0NGJhYjE4ZTk5N2VkOTM1MjY2ZF8zLTAtMS0xLTA_1f853393-2660-4372-8853-f39cc1f4b736">4.750% Junior Subordinated Notes due 2060</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="i472444e1ba254092bff1a701d4f6d1b8_D20211101-20211101" name="dei:TradingSymbol" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGFibGU6MDg1MTFhMzhiNzE3NDRiYWIxOGU5OTdlZDkzNTI2NmQvdGFibGVyYW5nZTowODUxMWEzOGI3MTc0NGJhYjE4ZTk5N2VkOTM1MjY2ZF8zLTItMS0xLTA_f1b1cddc-7322-4c28-9a25-109c1eefd8b7">MGRB</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="i472444e1ba254092bff1a701d4f6d1b8_D20211101-20211101" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGFibGU6MDg1MTFhMzhiNzE3NDRiYWIxOGU5OTdlZDkzNTI2NmQvdGFibGVyYW5nZTowODUxMWEzOGI3MTc0NGJhYjE4ZTk5N2VkOTM1MjY2ZF8zLTQtMS0xLTA_4a991535-bbd7-4cd9-9d56-ba893f099deb">New York Stock Exchange</ix:nonNumeric></span></td></tr><tr><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="i984d0a7b439a4aa38f52f084c8f7573b_D20211101-20211101" name="dei:Security12bTitle" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGFibGU6MDg1MTFhMzhiNzE3NDRiYWIxOGU5OTdlZDkzNTI2NmQvdGFibGVyYW5nZTowODUxMWEzOGI3MTc0NGJhYjE4ZTk5N2VkOTM1MjY2ZF80LTAtMS0xLTA_04ddd9bf-9972-44d5-833d-52053e9b0826">4.200% Junior Subordinated Notes due 2061</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="i984d0a7b439a4aa38f52f084c8f7573b_D20211101-20211101" name="dei:TradingSymbol" id="id3VybDovL2RvY3MudjEvZG9jOjIxNDJkNjkxOTVmMzRjM2JhZDJhNTMyNzQzMDhhYzgwL3NlYzoyMTQyZDY5MTk1ZjM0YzNiYWQyYTUzMjc0MzA4YWM4MF8xL2ZyYWc6ODJmMjk2YWU2ZjVjNGUyOThmOWI1ZjIxMDJiNDNiM2UvdGFibGU6MDg1MTFhMzhiNzE3NDRiYWIxOGU5OTdlZDkzNTI2NmQvdGFibGVyYW5nZTowODUxMWEzOGI3MTc0NGJhYjE4ZTk5N2VkOTM1MjY2ZF80LTItMS0xLTA_e0484aa2-6b22-4921-872e-f4c35d528225">MGRD</ix:nonNumeric></span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:center;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:100%"><ix:nonNumeric contextRef="i984d0a7b439a4aa38f52f084c8f7573b_D20211101-20211101" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName" 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Billings</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Name:&#160;&#160;&#160;</span></td><td colspan="3" style="border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="border-top:0.5pt solid #000000;padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">David M. Billings</span></td></tr><tr><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:0 1pt"></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">Title:</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:bottom"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">&#160;</span></td><td colspan="3" style="padding:2px 1pt;text-align:left;vertical-align:top"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:100%">General Counsel and Secretary</span></td></tr></table></div><div style="margin-bottom:2pt"><span><br/></span></div><div style="margin-bottom:2pt"><span><br/></span></div><div style="height:42.75pt;position:relative;width:100%"><div style="bottom:0;position:absolute;width:100%"><div style="-sec-extract:summary;text-align:center"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">3</span></div><div style="margin-top:5pt;text-align:center"><table style="border-collapse:collapse;display:inline-table;margin-bottom:5pt;vertical-align:text-bottom;width:99.561%"><tr><td style="width:1.0%"></td><td style="width:32.233%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:32.233%"></td><td style="width:0.1%"></td><td style="width:1.0%"></td><td style="width:32.234%"></td><td style="width:0.1%"></td></tr><tr style="height:3pt"><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td><td colspan="3" style="border-top:2pt solid #000000;padding:0 1pt"></td></tr></table></div></div></div></body></html>
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amg-20211101
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM
8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(D) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of report (Date of earliest event reported):
November 1, 2021
AFFILIATED MANAGERS GROUP, INC.
(Exact Name of Registrant as Specified in Its Charter)
Delaware
(State or Other Jurisdiction of Incorporation)
001-13459
04-3218510
(Commission File Number)
(IRS Employer Identification No.)
777 South Flagler Drive
,
West Palm Beach
,
Florida
33401
(Address of principal executive offices)
(
800
)
345-1100
(Registrant's Telephone Number, Including Area Code)
N/A
(Former Name or Former Address, if Changed Since Last Report)
Check 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):
☐
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading Symbol(s)
Name of each exchange on which registered
Common Stock ($0.01 par value)
AMG
New York Stock Exchange
5.875% Junior Subordinated Notes due 2059
MGR
New York Stock Exchange
4.750% Junior Subordinated Notes due 2060
MGRB
New York Stock Exchange
4.200% Junior Subordinated Notes due 2061
MGRD
New York Stock Exchange
Indicate 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).
Emerging growth company
☐
If 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.  ☐
ITEM 2.02
Results of Operations and Financial Condition.
On November 1, 2021, Affiliated Managers Group, Inc. (the "Company") issued a press release setting forth its financial and operating results for the quarter ended September 30, 2021.
ITEM 8.01
Other Events.
The press release announced that the Company's Board of Directors authorized and declared a quarterly dividend of $0.01 per share of common stock, payable November 24, 2021 to stockholders of record as of the close of business on November 10, 2021.
A copy of the press release is furnished as Exhibit 99.1 hereto, except for such portions which are filed, as noted below under Item 9.01.
ITEM 9.01
Financial Statements and Exhibits.
(d)
Exhibits.
The financial highlights table set forth on page 1 and the financial tables set forth on pages 3 through 8 in Exhibit 99.1 hereto are "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and shall be deemed incorporated by reference into the filings of the Company under the Securities Act of 1933, as amended. The remaining information in Exhibit 99.1 is being "furnished" to the Securities and Exchange Commission as provided pursuant to General Instruction B.2 of Form 8-K.
Exhibit No.
Description
99.1
Earnings Press Release issued by the Company on
N
ovember 1
, 2021
104
Cover Page Interactive Data File (the cover page tags are embedded within the Inline XBRL document).
2
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
AFFILIATED MANAGERS GROUP, INC.
Date:  November 1, 2021
By:
/s/ David M. Billings
Name:
David M. Billings
Title:
General Counsel and Secretary
3