The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
AerCap Holdings COM n00985106   82,843,289 874,612 SH   SOLE   874,612 0 0
Alphabet COM 38259p706   126,153,596 754,552 SH   SOLE   754,552 0 0
Alphabet Class A COM 38259p508   585,574 3,531 SH   SOLE   3,531 0 0
Amazon Com COM 023135106   540,946 2,903 SH   SOLE   2,903 0 0
Amgen COM 031162100   1,222,787 3,795 SH   SOLE   3,795 0 0
Apple COM 037833100   7,358,656 31,582 SH   SOLE   31,582 0 0
Bank of America COM 060505104   3,931,520 99,081 SH   SOLE   99,081 0 0
Berkshire Hathaway 'A' COM 084670108   20,735,400 30 SH   SOLE   30 0 0
Berkshire Hathaway COM 084670702   512,944,945 1,114,468 SH   SOLE   1,114,468 0 0
Berkshire Hathaway COM 084670702   782,442 1,700 SH Call SOLE   1,700 0 0
Berkshire Hathaway COM 084670702   4,188,366 9,100 SH Call SOLE   9,100 0 0
Berkshire Hathaway COM 084670702   4,372,470 9,500 SH Call SOLE   9,500 0 0
Berkshire Hathaway COM 084670702   154,325,178 335,300 SH Call SOLE   335,300 0 0
Berkshire Hathaway COM 084670702   435,405,960 946,000 SH Call SOLE   946,000 0 0
Berkshire Hathaway COM 084670702   107,056,476 232,600 SH Call SOLE   232,600 0 0
Berkshire Hathaway COM 084670702   90,210,960 196,000 SH Call SOLE   196,000 0 0
Berkshire Hathaway COM 084670702   552,312 1,200 SH Call SOLE   1,200 0 0
Berkshire Hathaway COM 084670702   828,468 1,800 SH Call SOLE   1,800 0 0
Berkshire Hathaway COM 084670702   3,682,080 8,000 SH Call SOLE   8,000 0 0
Berkshire Hathaway COM 084670702   2,715,534 5,900 SH Call SOLE   5,900 0 0
Berkshire Hathaway COM 084670702   476,599,230 1,035,500 SH Call SOLE   1,035,500 0 0
Berkshire Hathaway COM 084670702   55,001,070 119,500 SH Call SOLE   119,500 0 0
Berkshire Hathaway COM 084670702   1,196,676 2,600 SH Call SOLE   2,600 0 0
Berkshire Hathaway COM 084670702   10,585,980 23,000 SH Call SOLE   23,000 0 0
Berkshire Hathaway COM 084670702   183,873,870 399,500 SH Call SOLE   399,500 0 0
Berkshire Hathaway COM 084670702   51,733,224 112,400 SH Call SOLE   112,400 0 0
Berkshire Hathaway COM 084670702   209,142,144 454,400 SH Call SOLE   454,400 0 0
Berkshire Hathaway COM 084670702   24,669,936 53,600 SH Call SOLE   53,600 0 0
Berkshire Hathaway COM 084670702   11,552,526 25,100 SH Call SOLE   25,100 0 0
Berkshire Hathaway COM 084670702   4,602,600 10,000 SH Call SOLE   10,000 0 0
Berkshire Hathaway COM 084670702   11,046,240 24,000 SH Call SOLE   24,000 0 0
Biglari Cl A COM 08986r408   1,988,508 2,389 SH   SOLE   2,389 0 0
Biglari Holdings COM 08986r101   230,493 1,340 SH   SOLE   1,340 0 0
Brookfield Asset Management COM 113004105   2,484,427 52,536 SH   SOLE   52,536 0 0
Brookfield Corp. COM 11271J107   161,298,794 3,034,784 SH   SOLE   3,034,784 0 0
CarMax COM 143130102   47,556,927 614,589 SH   SOLE   614,589 0 0
Cardlytics COM 14161W105   162,080 50,650 SH   SOLE   50,650 0 0
Caterpillar Tractor COM 149123101   671,553 1,717 SH   SOLE   1,717 0 0
Chevron COM 166764100   222,378 1,510 SH   SOLE   1,510 0 0
Cimpress COM 045290255   28,211,447 344,378 SH   SOLE   344,378 0 0
Conocophillips COM 20825c104   351,004 3,334 SH   SOLE   3,334 0 0
Corning COM 219350105   228,007 5,050 SH   SOLE   5,050 0 0
Disney (Walt) COM 254687106   313,098 3,255 SH   SOLE   3,255 0 0
Fastenal COM 311900104   282,823 3,960 SH   SOLE   3,960 0 0
FedEx COM 31428x106   51,193,513 187,056 SH   SOLE   187,056 0 0
First Citizens COM 31946M103   51,535,030 27,994 SH   SOLE   27,994 0 0
GE Vernova COM 36828A101   251,920 988 SH   SOLE   988 0 0
General Electric COM 369604103   627,406 3,327 SH   SOLE   3,327 0 0
Goldman Sachs COM 38141g104   608,985 1,230 SH   SOLE   1,230 0 0
Hershey Foods COM 427866108   26,400,823 137,662 SH   SOLE   137,662 0 0
Illinois Tool Works COM 452308109   288,277 1,100 SH   SOLE   1,100 0 0
LKQ Corp COM 501889208   64,624,878 1,618,860 SH   SOLE   1,618,860 0 0
Markel COM 570535104   121,334,637 77,353 SH   SOLE   77,353 0 0
Metro Bank Holdings COM G60643106   9,121 10,000 SH   SOLE   10,000 0 0
Microsoft COM 594918104   2,580,167 5,996 SH   SOLE   5,996 0 0
Procter & Gamble COM 742718109   225,160 1,300 SH   SOLE   1,300 0 0
Quest Diagnostics COM 74834l100   222,785 1,435 SH   SOLE   1,435 0 0
Raytheon Technologies COM 75513E101   422,727 3,489 SH   SOLE   3,489 0 0
Schwab US Large Cap Growth COM 808524300   255,241 2,450 SH   SOLE   2,450 0 0
Sempra Energy COM 816851109   317,682 3,799 SH   SOLE   3,799 0 0
Sirius XM COM 829933100   3,883,661 164,214 SH   SOLE   164,214 0 0
Suncor COM 867224107   63,153,656 1,710,554 SH   SOLE   1,710,554 0 0
Taylor Morrison Home COM 87724p106   238,884 3,400 SH   SOLE   3,400 0 0
Tesla Motors COM 88160r101   648,319 2,478 SH   SOLE   2,478 0 0
Trupanion Inc. COM 898202106   1,740,491 41,460 SH   SOLE   41,460 0 0
Tyson Foods COM 902494103   253,130 4,250 SH   SOLE   4,250 0 0
Uber COM 90353T100   263,060 3,500 SH   SOLE   3,500 0 0
Verizon COM 92343v104   290,550 6,470 SH   SOLE   6,470 0 0
Wayfair COM 94419l101   11,204,128 199,433 SH   SOLE   199,433 0 0
Wells Fargo COM 949746101   277,535 4,913 SH   SOLE   4,913 0 0
IShares Exponential Technologi ETF 46434V381   757,956 12,450 SH   SOLE   12,450 0 0
SPDR S&P 500 ETF 78462f103   553,678 965 SH   SOLE   965 0 0