Attached files

file filename
10-K - 10-K - AFFILIATED MANAGERS GROUP, INC.a2196669z10-k.htm
EX-32.1 - EXHIBIT 32.1 - AFFILIATED MANAGERS GROUP, INC.a2196669zex-32_1.htm
EX-21.1 - EXHIBIT 21.1 - AFFILIATED MANAGERS GROUP, INC.a2196669zex-21_1.htm
EX-31.1 - EXHIBIT 31.1 - AFFILIATED MANAGERS GROUP, INC.a2196669zex-31_1.htm
EX-31.2 - EXHIBIT 31.2 - AFFILIATED MANAGERS GROUP, INC.a2196669zex-31_2.htm
EX-32.2 - EXHIBIT 32.2 - AFFILIATED MANAGERS GROUP, INC.a2196669zex-32_2.htm

QuickLinks -- Click here to rapidly navigate through this document


Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

        We hereby consent to the incorporation by reference in the Registration Statements on Forms S-3 (File No. 333-148030 and File No. 333-148029), S-4 (File No. 333-164372) and S-8 (File No. 333-135416, File No. 333-129748, File No. 333-100628, File No. 333-84485, and File No. 333-72967) of Affiliated Managers Group, Inc. (the "Company") of our report dated March 1, 2010 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, Massachusetts
March 1, 2010




QuickLinks

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM