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CHECK CAPITAL MANAGEMENT INC/CA
Period ended Sep 30, 2026 · Latest filing Nov 5, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Sep 30, 2026: $3,703,533,241
More quarters will appear as history becomes available.
Top holdings
Top 10 at Sep 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- Berkshire Hathaway · COM · 084670702 · shares · CALL: $2,104,087,725
- Berkshire Hathaway · COM · 084670702 · shares: $546,627,676
- Alphabet · COM · 38259p706 · shares: $218,919,292
- Brookfield Corp. · COM · 11271J107 · shares: $177,002,861
- Markel · COM · 570535104 · shares: $140,673,488
- AerCap Holdings · COM · n00985106 · shares: $113,666,953
- First Citizens · COM · 31946M103 · shares: $90,127,487
- Sirius XM · COM · 829933100 · shares: $74,773,149
- Amazon · COM · 023135106 · shares: $51,026,315
- LKQ Corp · COM · 501889208 · shares: $41,839,066
Reported holdings
34 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| Berkshire Hathaway | COM | 084670702 | CALL | 1,518,000 shares | $755,888,100 |
| Berkshire Hathaway | COM | 084670702 | — | 1,097,756 shares | $546,627,676 |
| Berkshire Hathaway | COM | 084670702 | CALL | 1,063,500 shares | $529,569,825 |
| Berkshire Hathaway | COM | 084670702 | CALL | 854,800 shares | $425,647,660 |
| Alphabet | COM | 38259p706 | — | 642,482 shares | $218,919,292 |
| Brookfield Corp. | COM | 11271J107 | — | 4,854,714 shares | $177,002,861 |
| Berkshire Hathaway | COM | 084670702 | CALL | 328,400 shares | $163,526,780 |
| Markel | COM | 570535104 | — | 82,148 shares | $140,673,488 |
| AerCap Holdings | COM | n00985106 | — | 791,994 shares | $113,666,953 |
| First Citizens | COM | 31946M103 | — | 43,747 shares | $90,127,487 |
| Sirius XM | COM | 829933100 | — | 2,889,225 shares | $74,773,149 |
| Berkshire Hathaway | COM | 084670702 | CALL | 144,600 shares | $72,003,570 |
| Amazon | COM | 023135106 | — | 204,802 shares | $51,026,315 |
| Berkshire Hathaway | COM | 084670702 | CALL | 95,900 shares | $47,753,405 |
| LKQ Corp | COM | 501889208 | — | 1,832,635 shares | $41,839,066 |
| Cimpress | COM | 045290255 | — | 478,625 shares | $36,911,586 |
| Berkshire Hathaway | COM | 084670702 | CALL | 72,300 shares | $36,001,785 |
| Hershey Foods | COM | 427866108 | — | 202,976 shares | $31,990,979 |
| Jefferies | COM | 47233w109 | — | 677,058 shares | $30,961,878 |
| Berkshire Hathaway | COM | 084670702 | CALL | 56,600 shares | $28,183,970 |
| Berkshire Hathaway 'A' | COM | 084670108 | — | 28 shares | $20,916,140 |
| Wayfair | COM | 94419l101 | — | 167,650 shares | $17,194,184 |
| Berkshire Hathaway | COM | 084670702 | CALL | 29,200 shares | $14,540,140 |
| Berkshire Hathaway | COM | 084670702 | CALL | 16,100 shares | $8,016,995 |
| Berkshire Hathaway | COM | 084670702 | CALL | 12,700 shares | $6,323,965 |
| Berkshire Hathaway | COM | 084670702 | CALL | 11,100 shares | $5,527,245 |
| Berkshire Hathaway | COM | 084670702 | CALL | 10,000 shares | $4,979,500 |
| Berkshire Hathaway | COM | 084670702 | CALL | 8,600 shares | $4,282,370 |
| Fairfax Finl Hldgs | COM | 303901102 | — | 2,325 shares | $3,633,960 |
| Zoetis | COM | 98978v103 | — | 39,219 shares | $2,738,663 |
| Berkshire Hathaway | COM | 084670702 | CALL | 2,300 shares | $1,145,285 |
| Berkshire Hathaway | COM | 084670702 | CALL | 900 shares | $448,155 |
| Disney (Walt) | COM | 254687106 | — | 4,212 shares | $441,839 |
| Berkshire Hathaway | COM | 084670702 | CALL | 500 shares | $248,975 |