Company: MGRE
Filing Date: 2025-02-28
Form Type: S-3ASR
Source: 0001193125-25-042543
Chunk: 17

Company: AFFILIATED MANAGERS GROUP, INC.
Filing Date: 2025-02-28
Form: S-3ASR
Chunk 17
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 offered (if the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the II-4

estimated maximum offering range may be reflected in the form of prospectus filed with the SEC pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than
a 20 percent change in the maximum aggregate offering price set forth in the “Calculation of Registration Fee” table in the effective registration statement;

(iii) To include any material information with respect to the plan of distribution not previously disclosed in this registration statement or
any material change to such information in this registration statement;

provided, however, that paragraphs (1)(i), (1)(ii), and (1)(iii) do
not apply if the information required to be included in a post-effective amendment by those paragraphs is contained in reports filed with or furnished to the SEC by a registrant pursuant to Section 13 or Section 15(d) of the Exchange Act
that are incorporated by reference in this registration statement, or is contained in a form of prospectus filed pursuant to Rule 424(b) that is part of this registration statement.

(2) That, for the purpose of determining any liability under the Securities Act, each such post-effective amendment shall be deemed to be a new registration
statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof.

(3) To remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the
offering.

(4) That, for the purpose of determining liability under the Securities Act to any purchaser:

(i) Each prospectus filed by the registrant pursuant to Rule 424(b)(3) shall be deemed to be part of the registration statement as of the date
the filed prospectus was deemed part of and included in the registration statement; and

(ii) Each prospectus required to be filed
pursuant to Rule 424(b)(2), (b)(5), or (b)(7) as part of a registration statement in reliance on Rule 430B relating to an offering made pursuant to Rule 415(a)(1)(i), (vii), or (x) for the purpose of providing the information required by
Section 10(a) of the Securities Act shall be deemed to be part of and included in the registration statement as of