| Aquamarine Capital Management, LLC | 210,000 | $39,270 | 17.80% |
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| Global Frontier Investments LLC | 183,400 | $34,296 | 13.26% |
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| Rothschild & Co Wealth Management UK Ltd | 3,531,847 | $660,455 | 11.91% |
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| Long Corridor Asset Management Ltd | 37,000 | $6,919 | 8.43% |
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| Berkshire Hathaway | 151,610,700 | $28,351,201 | 7.80% |
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| BANYAN CAPITAL MANAGEMENT, INC. | 64,930 | $12,142 | 7.08% |
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| CACTI ASSET MANAGEMENT LLC | 474,651 | $89,970 | 6.98% |
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| Smead Capital Management, Inc. | 1,511,273 | $282,608 | 6.55% |
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| AMUSSEN HUNSAKER ASSOCIATES LLC | 149,974 | $28,053 | 6.41% |
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| TIMUCUAN ASSET MANAGEMENT INC/FL | 842,768 | $157,598 | 6.12% |
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| Nixon Capital, LLC | 56,182 | $10,506,034 | 6.00% |
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| SCHWERIN BOYLE CAPITAL MANAGEMENT INC | 376,779 | $70,458 | 5.87% |
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| CENTRAL SECURITIES CORP | 270,000 | $50,490 | 5.36% |
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| Financial Avengers, Inc. | 42,468 | $7,947 | 4.97% |
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| Longview Partners (Guernsey) LTD | 3,916,897 | $732,460 | 4.80% |
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| 140 Summer Partners LP | 320,700 | $59,971 | 4.74% |
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| NOESIS CAPITAL MANGEMENT CORP | 100,744 | $18,839,000 | 4.53% |
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| Unison Asset Management LLC | 27,194 | $5,085 | 4.36% |
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| SHAYNE & CO., LLC | 45,650 | $8,537 | 4.21% |
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| Waverton Investment Management Ltd | 630,950 | $117,988 | 3.98% |
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