Graham Holdings Co Master Retirement Trust 13F filings and top holdings and stakes

Graham Holdings Co Master Retirement Trust as of June 30, 2026

Portfolio Holdings for Graham Holdings Co Master Retirement Trust

Graham Holdings Co Master Retirement Trust holds 2 positions in its portfolio as reported in the June 2026 quarterly 13F filing

Company (Ticker)	Portfolio Weight	Valued At	Change in Shares	Share Count	Share Price
Berkshire Hathaway Inc Del Cl A (BRK.A)	84.6	$621k		829.00	748.85
Markel Corporation (MKL)	15.4	$113k		58k	1.95

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