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CIK 0001120048 • 6 13F filings • May 15, 2025 – Jul 9, 2026
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Past 5 quarters
| % of Portfolio | |||||
|---|---|---|---|---|---|
| ALPHABET INC CAP STKCL C | COM | $196K | 32.4%Prev: 22.1% | 684,142 SH | Increased+52,867 SH |
| ALPHABET INC CL A | COM | $4K | 0.6%Prev: 0.5% | 13,091 SH | Increased+20 SH |
| BERKSHIRE HATHAWAY INC CL A | COM | $718 | 0.1% | 1 SH | New |
| BERKSHIRE HATHAWAY INC DEL CL B NEW | COM | $36K | 5.9%Prev: 7.4% | 74,602 SH | Increased+12,795 SH |
| COSTCO WHOLESALE CORP | COM | $135K | 22.3%Prev: 29.0% | 135,431 SH | Increased-1,667 SH |
| FASTENAL CO | COM | $76K | 12.6%Prev: 12.6% | 1,638,760 SH | Increased+912,254 SH |
| MARKEL CORP | COM | $82K | 13.6%Prev: 16.3% | 42,864 SH | Increased+3,766 SH |
| MARTIN MARIETTA MATLS INC | COM | $76K | 12.5%Prev: 12.2% | 128,350 SH | Increased+14,339 SH |
| 13F-HR |
| 0001120048-25-000005 |
| $545K |
| View |
| Jul 9, 2026 | Q2 2026 | 13F-HR | 0001120048-26-000003 | $666K | View |
| Aug 12, 2025 | Q2 2025 | 13F-HR | 0001120048-25-000003 | $489K | View |
| May 4, 2026 | Q1 2026 | 13F-HR | 0001120048-26-000002 | $605K | View |
| May 15, 2025 | Q1 2025 | 13F-HR | 0001120048-25-000002 | $447K | View |