0001609212-25-000001.txt : 20250110 0001609212-25-000001.hdr.sgml : 20250110 20250110091029 ACCESSION NUMBER: 0001609212-25-000001 CONFORMED SUBMISSION TYPE: D/A PUBLIC DOCUMENT COUNT: 1 ITEM INFORMATION: 06b FILED AS OF DATE: 20250110 DATE AS OF CHANGE: 20250110 EFFECTIVENESS DATE: 20250110 FILER: COMPANY DATA: COMPANY CONFORMED NAME: AMG Pantheon Master Fund, LLC CENTRAL INDEX KEY: 0001609212 ORGANIZATION NAME: IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 0331 FILING VALUES: FORM TYPE: D/A SEC ACT: 1933 Act SEC FILE NUMBER: 021-254625 FILM NUMBER: 25520733 BUSINESS ADDRESS: STREET 1: 680 WASHINGTON BOULEVARD, SUITE 500 CITY: STAMFORD STATE: CT ZIP: 06901 BUSINESS PHONE: 877-355-1566 MAIL ADDRESS: STREET 1: 680 WASHINGTON BOULEVARD, SUITE 500 CITY: STAMFORD STATE: CT ZIP: 06901 FORMER COMPANY: FORMER CONFORMED NAME: AMG Pantheon Private Equity Master Fund, LLC DATE OF NAME CHANGE: 20140527 D/A 1 primary_doc.xml X0708 D/A LIVE 0001609212 AMG Pantheon Master Fund, LLC 680 WASHINGTON BOULEVARD, SUITE 500 STAMFORD CT CONNECTICUT 06901 877-355-1566 DELAWARE AMG Pantheon Private Equity Master Fund, LLC Limited Liability Company true KEITHA L. KINNE C/O AMG FUNDS LLC 680 WASHINGTON BOULEVARD, SUITE 500 STAMFORD CT CONNECTICUT 06901 Executive Officer KURT KEILHACKER C/O AMG FUNDS LLC 680 WASHINGTON BOULEVARD, SUITE 500 STAMFORD CT CONNECTICUT 06901 Director ERIC RAKOWSKI C/O AMG FUNDS LLC 680 WASHINGTON BOULEVARD, SUITE 500 STAMFORD CT CONNECTICUT 06901 Director VICTORIA SASSINE C/O AMG FUNDS LLC 680 WASHINGTON BOULEVARD, SUITE 500 STAMFORD CT CONNECTICUT 06901 Director THOMAS DISBROW C/O AMG FUNDS LLC 680 WASHINGTON BOULEVARD, SUITE 500 STAMFORD CT CONNECTICUT 06901 Executive Officer MARK J. DUGGAN C/O AMG FUNDS LLC 680 WASHINGTON BOULEVARD, SUITE 500 STAMFORD CT CONNECTICUT 06901 Executive Officer PATRICK J. SPELLMAN C/O AMG FUNDS LLC 680 WASHINGTON BOULEVARD, SUITE 500 STAMFORD CT CONNECTICUT 06901 Executive Officer JOHN A. STARACE C/O AMG FUNDS LLC 680 WASHINGTON BOULEVARD, SUITE 500 STAMFORD CT CONNECTICUT 06901 Executive Officer GARRET W. WESTON C/O AMG FUNDS LLC 680 WASHINGTON BOULEVARD, SUITE 500 STAMFORD CT CONNECTICUT 06901 Director Pooled Investment Fund Other Investment Fund true Decline to Disclose 06b true 0001609212-24-000001 2016-01-01 true true false 0 AMG DISTRIBUTORS, INC. 27314 None None 680 WASHINGTON BOULEVARD, SUITE 500 STAMFORD CT CONNECTICUT 06901 All States false PANTHEON SECURITIES, LLC 285480 None None 11 TIMES SQUARE 35TH FLOOR NEW YORK NY NEW YORK 10036 All States false Indefinite 3727574707 Indefinite false 3 0 0 0 false AMG Pantheon Master Fund, LLC Thomas Disbrow THOMAS DISBROW TREASURER 2025-01-10