AMG Funds IV

12/12/2025 | Press release | Distributed by Public on 12/12/2025 10:05

Prospectus Certification by Investment Company (Form 497J)

ROPES & GRAY LLP
PRUDENTIAL TOWER
800 BOYLSTON STREET
BOSTON, MA 02199-3600
WWW.ROPESGRAY.COM
December 12, 2025
Renee E. Laws

T +1 617 235 4975

[email protected]

VIA EDGAR

Securities and Exchange Commission

Division of Investment Management

100 F Street, N.E.

Washington, D.C. 20549

Re:

AMG Funds IV

File Nos. 033-68666; 811-08004

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended (the "1933 Act"), AMG Funds IV (the "Trust") hereby certifies that the following forms of prospectus and statement of additional information that would have been filed by the Trust pursuant to Rule 497(c) under the 1933 Act would not have differed from those contained in the Trust's Post-Effective Amendment No. 204 to its Registration Statement on Form N-1A, which was filed by electronic transmission on December 5, 2025 pursuant to Rule 485(b) under the 1933 Act and is the most recent amendment to the Trust's Registration Statement on Form N-1A:

(i)

Prospectus for AMG GW&K Small Cap Growth Fund (formerly AMG Montrusco Bolton Large Cap Growth Fund), dated December 8, 2025; and

(ii)

Statement of Additional Information for AMG GW&K Small Cap Growth Fund, dated December 8, 2025.

If you have any questions concerning this filing, please call me at (617) 235-4975.

Sincerely,

/s/ Renee E. Laws

Renee E. Laws
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