# EDGAR Filing Document

**Accession Number:** 0002046200
**File Stem:** 0001193125-26-214377
**Filing Date:** 2026-5
**Character Count:** 2087
**Document Hash:** a9f45d123b335cd6c67030707241af76
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-214377.hdr.sgml**: 20260508

**ACCESSION NUMBER**: 0001193125-26-214377

**CONFORMED SUBMISSION TYPE**: 424B3

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260508

**DATE AS OF CHANGE**: 20260508

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AMG Pantheon Infrastructure Fund, LLC
- **CENTRAL INDEX KEY:** 0002046200

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE

**FILING VALUES:**
- **FORM TYPE:** 424B3
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-283670
- **FILM NUMBER:** 26957822

**BUSINESS ADDRESS:**
- **STREET 1:** C/O AMG FUNDS LLC
- **STREET 2:** 680 WASHINGTON BOULEVARD, SUITE 500
- **CITY:** STAMFORD
- **STATE:** CT
- **ZIP:** 06901
- **BUSINESS PHONE:** 203-299-3500

**MAIL ADDRESS:**
- **STREET 1:** C/O AMG FUNDS LLC
- **STREET 2:** 680 WASHINGTON BOULEVARD, SUITE 500
- **CITY:** STAMFORD
- **STATE:** CT
- **ZIP:** 06901

Filed pursuant to Rule 424(b)(3)<br>File Nos. 333-283670 and 811-24032

**AMG PANTHEON INFRASTRUCTURE FUND, LLC** 

Supplement dated May 8, 2026, to the Prospectus and Statement of Additional Information, each dated June 9, 2025, as revised April 1, 2026

The following information supplements and supersedes any information to the contrary relating to AMG Pantheon Infrastructure Fund, LLC (the "Fund") contained in the Fund's current Prospectus (the "Prospectus") and Statement of Additional Information (the "SAI"), dated and revised as noted above.

Janice Ince no longer serves as a portfolio manager of the Fund. Andrea Echberg, Paul Barr, Evan Corley, Jérôme Duthu-Bengtzon, Kathryn Leaf, Dinesh Ramasamy, Richard Sem, and Jeff Miller (the "Portfolio Managers") serve as the portfolio managers jointly and primarily responsible for the day-to-day management of the Fund. All references to and information relating to Ms. Ince as a portfolio manager of the Fund in the Prospectus and SAI are deleted, and all references to the portfolio managers of the Fund refer to the Portfolio Managers.

PLEASE KEEP THIS SUPPLEMENT FOR FUTURE REFERENCE