0001912699-23-000008.txt : 20231114 0001912699-23-000008.hdr.sgml : 20231114 20231114154744 ACCESSION NUMBER: 0001912699-23-000008 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20230930 FILED AS OF DATE: 20231114 DATE AS OF CHANGE: 20231114 EFFECTIVENESS DATE: 20231114 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Graham Holdings Co Master Retirement Trust CENTRAL INDEX KEY: 0001912699 IRS NUMBER: 136666518 STATE OF INCORPORATION: NY FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-22321 FILM NUMBER: 231405344 BUSINESS ADDRESS: STREET 1: C/O GRAHAM HOLDINGS COMPANY STREET 2: 1300 NORTH 17TH STREET CITY: ARLINGTON STATE: VA ZIP: 22209 BUSINESS PHONE: 703-345-6300 MAIL ADDRESS: STREET 1: C/O GRAHAM HOLDINGS COMPANY STREET 2: 1300 NORTH 17TH STREET CITY: ARLINGTON STATE: VA ZIP: 22209 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE false false false 0001912699 XXXXXXXX 09-30-2023 09-30-2023 false Graham Holdings Co Master Retirement Trust

C/O GRAHAM HOLDINGS COMPANY 1300 NORTH 17TH STREET ARLINGTON VA 22209

13F HOLDINGS REPORT 028-22321 N Wallace R. Cooney 7033456470 Wallace R. Cooney ARLINGTON VA 11-14-2023 0 2 526010 false INFORMATION TABLE 2 information_table.xml INFORMATION TABLE BERKSHIRE HATHAWAY INC DELCL A084670108440594829SHSOLE82900MARKEL GROUP INCCOM5705351048541658008SHSOLE5800800