# EDGAR Filing Document

**Accession Number:** 0000720309
**File Stem:** 0001193125-26-208218
**Filing Date:** 2026-5
**Character Count:** 3315
**Document Hash:** be5befb4ec3223af37c9366bd7af095e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-208218.hdr.sgml**: 20260506

**ACCESSION NUMBER**: 0001193125-26-208218

**CONFORMED SUBMISSION TYPE**: 497J

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260506

**DATE AS OF CHANGE**: 20260506

**EFFECTIVENESS DATE**: 20260506

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AMG FUNDS III
- **CENTRAL INDEX KEY:** 0000720309

**ORGANIZATION NAME:**
- **EIN:** 222528211
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 497J
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-84012
- **FILM NUMBER:** 26947142

**BUSINESS ADDRESS:**
- **STREET 1:** 680 WASHINGTON BOULEVARD, SUITE 500
- **CITY:** STAMFORD
- **STATE:** CT
- **ZIP:** 06901
- **BUSINESS PHONE:** 2032993500

**MAIL ADDRESS:**
- **STREET 1:** 680 WASHINGTON BOULEVARD, SUITE 500
- **CITY:** STAMFORD
- **STATE:** CT
- **ZIP:** 06901

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MANAGERS FUNDS
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MANAGEMENT OF MANAGERS GROUP OF FUNDS
- **DATE OF NAME CHANGE:** 19910429

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MANAGEMENT OF MANAGERS CAPITAL APPRECIATION FUND
- **DATE OF NAME CHANGE:** 19881214

## Series and Classes Contracts Data

### AMG Veritas Asia Pacific Fund (Series ID: S000009865)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000027305 | Class N      | MGSEX           |
| C000027306 | Class I      | MSEIX           |

### AMG GW&K ESG Bond Fund (Series ID: S000009868)

| Class ID   | Class Name   | Ticker Symbol   |
|:---|:---|:---|
| C000027310 | Class N      | MGFIX           |
| C000125498 | Class I      | MGBIX           |

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|:---|:---|
| ![LOGO](g48194g0505092021614.jpg) | ROPES & GRAY LLP<br> PRUDENTIAL TOWER<br> 800 BOYLSTON STREET<br> BOSTON, MA 02199-3600<br> WWW.ROPESGRAY.COM |

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May 6, 2026

Lisa M. Henry T+1 617 951 7780 Lisa.Henry@ropesgray.com

**<u>VIA EDGAR</u>**

Securities and Exchange Commission

Division of Investment Management

100 F Street, N.E.

Washington, D.C. 20549

Re: <u>AMG Funds III</u>

File Nos. 002-84012; 811-03752

Ladies and Gentlemen:

Pursuant to Rule 497(j) under the Securities Act of 1933, as amended (the "1933 Act"), AMG Funds III (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. 146 to its Registration Statement on Form N-1A, which was filed by electronic transmission on April 30, 2026 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:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) Prospectus for AMG GW&K ESG Bond Fund and AMG Veritas Asia Pacific Fund, dated May 1, 2026; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) Statement of Additional Information for AMG GW&K ESG Bond Fund and AMG Veritas Asia Pacific Fund, dated
May 1, 2026.

If you have any questions concerning this filing, please call me at (617) 951-7780.

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| |
|:---|
| Sincerely, |
| /s/ Lisa M. Henry |
| Lisa M. Henry |

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