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Graham Holdings Co Master Retirement Trust · 13F Holdings
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Graham Holdings Co Master Retirement Trust

No.3380 Data as of 2026Q2
Latest AUM (Q2 2026)
$734.1M
QoQ Change Q1 2026
+$27.7M+3.9%
Holdings
2
New Buys
0
Adds
0
Reduces
0
Exits
0
Unchanged
2
Holdings Value Trend
Holdings by Sector
Stock Ownership TrendPortfolio %Prev Q %Q2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
BERKSHIRE HATHAWAY INC CL ABRK.A
84.57%84.28%$620.8M829$595.3M82900.00%Unchanged
Markel Group Inc.MKL
15.43%15.72%$113.3M58,008$111.0M58,00800.00%Unchanged

🧭 Institutional Sector Flow Heatmap

⏳
Net Outflow Net Inflow

Source: SEC EDGAR 13F filings (Q4 2021–Q2 2026 · 19 quarters) · USD · values estimated at quarter-end price

Built: 2026-09-12 10:28 · 13F Data · For reference only, not investment advice

Disclaimer: Data on this site is sourced from SEC EDGAR 13F filings and is for reference only. It does not constitute investment advice. Investing involves risk.

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