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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 | $244K | 36.6%Prev: 24.4% | 689,320 SH | Increased+15,255 SH |
| ALPHABET INC CL A | COM | $5K | 0.7%Prev: 0.5% | 13,327 SH | Increased+256 SH |
| BERKSHIRE HATHAWAY INC CL A | COM | $3K | 0.4%Prev: 0.4% | 4 SH | Increased+1 SH |
| BERKSHIRE HATHAWAY INC DEL CL B NEW | COM | $37K | 5.6%Prev: 6.3% | 74,430 SH | Increased+10,732 SH |
| COSTCO WHOLESALE CORP | COM | $127K | 19.0%Prev: 26.3% | 135,271 SH | Decreased+5,216 SH |
| FASTENAL CO | COM | $83K | 12.4%Prev: 12.5% | 1,719,217 SH | Increased+264,174 SH |
| MARKEL CORP | COM | $89K | 13.3%Prev: 16.2% | 45,406 SH | Increased+5,845 SH |
| MARTIN MARIETTA MATLS INC | COM | $80K | 12.0%Prev: 13.3% | 138,549 SH | Increased+19,787 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 |