{"url_path":"/sec/mgre/10-k/2026/item-9a","section_key":"item-9a","section_title":"Item 9A Controls and Procedures","topic":"sec","document":{"doc_type":"10-K","doc_date":"2026-02-17","source_url":"https://www.sec.gov/Archives/edgar/data/1004434/0001628280-26-008665-index.html","accession_number":"0001628280-26-008665","cik":"0001004434","ticker":"AMG","issuer_name":"AFFILIATED MANAGERS GROUP, INC.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1004434/0001628280-26-008665-index.html","primary_entity_key":"0001004434","primary_entity_name":"AFFILIATED MANAGERS GROUP, INC."},"word_count":385,"has_tables":true,"body_markdown":"Item 9A.Controls and Procedures\n\nAs required by Rule 13a-15 of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”), as of\n\nDecember 31, 2025, we carried out an evaluation under the supervision and with the participation of our management,\n\nincluding our Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of our\n\ndisclosure controls and procedures.  Based upon that evaluation, the Chief Executive Officer and Chief Financial Officer\n\nconcluded that, as of the end of the period covered by this report, our disclosure controls and procedures are effective in\n\nensuring that (i) information required to be disclosed by us in the reports we file or submit under the Exchange Act is recorded,\n\nprocessed, summarized, and reported within the time periods specified in the SEC’s rules and forms, and (ii) such information\n\nis accumulated and communicated to our management, including our principal executive officer and principal financial officer,\n\nas appropriate, to allow timely decisions regarding required disclosure.  In designing and evaluating our disclosure controls and\n\nprocedures, we recognize that any controls and procedures, no matter how well designed and operated, can provide only\n\nreasonable assurance of achieving the desired control objectives, and our management necessarily was required to apply its\n\njudgment in evaluating and implementing possible controls and procedures.  Our disclosure controls and procedures were\n\ndesigned to provide reasonable assurance of achieving their stated objectives, and our principal executive officer and principal\n\nfinancial officer concluded that our disclosure controls and procedures were effective at the reasonable assurance level.  We\n\nreview on an ongoing basis and document our disclosure controls and procedures, and our internal control over financial\n\nreporting, and we may from time to time make changes in an effort to enhance their effectiveness and ensure that our systems\n\nevolve with our business.  See “Management’s Report on Internal Control over Financial Reporting” in Item 8.\n\nOur independent registered public accounting firm, PricewaterhouseCoopers LLP, has issued an audit report on our internal\n\ncontrol over financial reporting, which is included in Item 8.\n\nNo change in our internal control over financial reporting (as defined in Rules 13a-15(f) and 15d-15(f) under the Exchange\n\nAct) occurred during the fiscal quarter ended December 31, 2025 that has materially affected, or is reasonably likely to\n\nmaterially affect, our internal control over financial reporting."}