Affiliated Managers (MGR) 10-K2023 FY Annual report

Filed: 16 Feb 24, 4:10pm

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Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-263148) and S-8 (No. 333-240091, No. 333-190412, No. 333-175912, No. 333-135416, No. 333-129748, No. 333-100628, No. 333-84485, and No. 333-72967) of Affiliated Managers Group, Inc. of our report dated February 16, 2024 relating to the financial statements, financial statement schedule, and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

Boston, MA

February 16, 2024

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Exhibit 23