| Ticker | Name | Current Value | vs Filing % | % of Portfolio | vs Last Filing |
|---|---|---|---|---|---|
| BRK-A | BERKSHIRE HATHAWAY INC DEL | $373M | +18.2% | 33% | — |
| GOOG | ALPHABET INC | $285M | -17.7% | 25.2% | — |
| BRK-B | BERKSHIRE HATHAWAY INC DEL | $283M | +17.6% | 25.1% | — |
| MKL | MARKEL GROUP INC | $126M | +1% | 11.1% | +15.1% |
| PUBM | PUBMATIC INC | $62.2M | +39.6% | 5.5% | — |
| CABO | CABLE ONE INC | $668k | -93.1% | 0.1% | — |
Portfolio reflects Graham Holdings's 13-F filed 2026-08-14 (2026-06-30 quarter-end), marked to most recent close.