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CIK 0001912699 • 6 13F filings • May 15, 2025 – Aug 14, 2026
Import this data to Google Sheets with:
=jivedata("graham-holdings-co-master-retirement-trust","13f")Uses this filer's slug. Install the Jive Data add-on first; the second argument is "13f".
Past 5 quarters
| % of Portfolio | |||||
|---|---|---|---|---|---|
| BERKSHIRE HATHAWAY INC DEL | CL A | $626K | 83.4%Prev: 84.9% | 829 SH | Increased |
| MARKEL GROUP INC | COM | $125K | 16.6%Prev: 15.1% | 58,008 SH | Increased |
| 13F-HR |
| 0001628280-26-057134 |
| $734K |
| View |
| Aug 14, 2025 | Q2 2025 | 13F-HR | 0001912699-25-000009 | $720K | View |
| May 15, 2026 | Q1 2026 | 13F-HR | 0001628280-26-035588 | $706K | View |
| May 15, 2025 | Q1 2025 | 13F-HR | 0001912699-25-000006 | $770K | View |