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Disclosery

Graham Holdings Co Master Retirement Trust

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13F filer, CIK 1912699, ARLINGTON, VA

Graham Holdings Co Master Retirement Trust reported $770,360,000 across 2 holdings for the quarter ended 2025-03-31, in a 13F-HR filed 2025-05-15.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001912699-25-000006

Period
2025-03-31
Reported value
$770M
Holdings
2
Top 10 weight
100%
New
0
Sold out
0

Holdings, Q1 2025

Share positions as resolved from 13F-HR 0001912699-25-000006, largest first. % of portfolio is the value over $770,360,000, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
BRK-ABERKSHIRE HATHAWAY INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 829 shares; 2024Q4: 829 shares; 2025Q1: 829 shares 829$662M85.92%0Timeline
MKLMARKEL GROUP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 58,008 shares; 2024Q4: 58,008 shares; 2025Q1: 58,008 shares 58,008$108M14.08%0Timeline

How Q1 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001912699-25-000006 base2025-05-15acceptance time not in the bulk data set