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Institutional

Graham Holdings Co Master Retirement Trust

CIK 0001912699
$706,369
Reported AUM
2
Positions
Q1 2026
Period
2026-05-15
Filed

The Brief · Graham Holdings Co Master Retirement Trust · Q1 2026

AI · grounded in 13F

Graham Holdings Co Master Retirement Trust reported no changes to its 13F holdings for 2026-03-31 relative to 2025-12-31.

Portfolio · Q1 2026

BERKSHI$595,338MKL$111,031GT

Top holdings

QoQ vs Q4 2025

#StockIssuerPriceDay %1Y Gr.5Y Gr.Value% of bookΔ shares (QoQ)Status
1BRK/ABERKSHIRE HATHAWAY INC DEL————$595K84.28%—HELD
2MKLMARKEL GROUP INC$1818.672.27%-7.38%50.78%$111K15.72%—HELD

Source: SEC EDGAR · accession 0001628280-26-035588. 13F discloses long positions only — shorts, foreign equities, and options are excluded.