Ticker	Issuer	Shares	Value	%	Share Price	Est. Cost/Share	Unrealized @ Report Date	Class	CUSIP
BRK/B	Berkshire Hathaway	2,893,900	$1.455B	48.0%	$502.74 *	$163.58	+196.1%	Call	084670702
BRK/B	Berkshire Hathaway	1,075,160	$541M	17.8%	$502.74 *	$163.58	+196.1%	COM	084670702
BN	Brookfield Corp.	2,929,168	$201M	6.6%	$68.58 *	$21.91	+101.8%	COM	11271J107
—	Alphabet	715,352	$174M	5.7%	$243.55	$140.00	—	COM	38259p706
MKL	Markel	77,545	$148M	4.9%	$1911.36 *	$1187.00	+65.2%	COM	570535104
—	AerCap Holdings	831,737	$101M	3.3%	$121.00	$56.03	—	COM	n00985106
FCNCA	First Citizens	35,364	$63.27M	2.1%	$1789.15 *	$1448.11	+35.9%	COM	31946M103
DIS	Disney (Walt)	434,268	$49.72M	1.6%	$114.50 *	$103.83	+12.7%	COM	254687106
LKQ	LKQ Corp	1,591,318	$48.6M	1.6%	$30.54 *	$31.66	+2.2%	COM	501889208
SIRI	Sirius XM	2,061,843	$47.99M	1.6%	$23.28	$24.89	-7.1%	COM	829933100
—	FedEx	200,188	$47.21M	1.6%	$235.81	$175.94	—	COM	31428x106
HSY	Hershey Foods	189,169	$35.38M	1.2%	$187.05 *	$179.44	+0.1%	COM	427866108
KMX	CarMax	600,043	$26.92M	0.9%	$44.87 *	$79.31	-24.7%	COM	143130102
—	Cimpress	384,287	$24.23M	0.8%	$63.04	$76.85	—	COM	045290255
BRK/A	Berkshire Hathaway 'A'	29	$21.87M	0.7%	$754200.00 *	$250196.95	+190.5%	COM	084670108
—	Wayfair	167,850	$14.99M	0.5%	$89.33	$206.81	—	COM	94419l101
AAPL	Apple	25,395	$6.466M	0.2%	$254.63 *	$99.85	+125.9%	COM	037833100
BAC	Bank of America	80,651	$4.161M	0.1%	$51.59 *	$27.95	+73.0%	COM	060505104
—	Biglari Cl A	2,212	$3.418M	0.1%	$1545.00	$713.14	—	COM	08986r408
MSFT	Microsoft	6,126	$3.173M	0.1%	$517.94	$86.67	+486.9%	COM	594918104
TRUP	Trupanion Inc.	40,980	$1.774M	0.1%	$43.28 *	$33.36	+42.4%	COM	898202106
AMGN	Amgen	3,885	$1.096M	0.0%	$282.20	$137.39	+108.6%	COM	031162100
—	Tesla Motors	2,450	$1.09M	0.0%	$444.72	$225.36	—	COM	88160r101
—	Goldman Sachs	1,230	$980K	0.0%	$796.35	$236.50	—	COM	38141g104
—	General Electric	3,240	$975K	0.0%	$300.82	$87.57	—	COM	369604103
—	Alphabet Class A	3,623	$881K	0.0%	$243.11	$156.06	—	COM	38259p508
CAT	Caterpillar Tractor	1,717	$819K	0.0%	$477.15 *	$142.84	+197.8%	COM	149123101
AMZN	Amazon Com	3,143	$690K	0.0%	$219.58 *	$137.22	+64.9%	COM	023135106
BAM	Brookfield Asset Management	11,586	$660K	0.0%	$56.94 *	$28.96	+102.7%	COM	113004105
—	SPDR S&P 500	965	$643K	0.0%	$666.18	$305.78	—	ETF	78462f103
XT	IShares Exponential Technologi	8,800	$633K	0.0%	$71.94	$44.93	—	ETF	46434V381
GEV	GE Vernova	988	$608K	0.0%	$614.90	$191.56	+216.1%	COM	36828A101
RTX	Raytheon Technologies	3,489	$584K	0.0%	$167.33 *	$81.24	+89.9%	COM	75513E101
UBER	Uber	4,890	$479K	0.0%	$97.97 *	$48.20	+94.0%	COM	90353T100
—	Biglari Holdings	1,340	$434K	0.0%	$323.65	$188.82	—	COM	08986r101
GLW	Corning	5,050	$414K	0.0%	$82.03 *	$40.86	+59.0%	COM	219350105
—	Nvidia	2,147	$401K	0.0%	$186.58	$128.80	—	COM	67066g104
FAST	Fastenal	7,920	$388K	0.0%	$49.04 *	$25.57	+83.6%	COM	311900104
—	Powershares QQQ Trust	641	$385K	0.0%	$600.37	$468.92	—	ETF	73935a104
WFC	Wells Fargo	4,413	$370K	0.0%	$83.82 *	$34.35	+134.3%	COM	949746101
—	Conocophillips	3,334	$315K	0.0%	$94.59	$60.81	—	COM	20825c104
SCHG	Schwab US Large Cap Growth	9,800	$313K	0.0%	$31.91	$41.64	—	COM	808524300
—	JPMorgan Chase	954	$301K	0.0%	$315.43	$239.74	—	COM	46625h100
ITW	Illinois Tool Works	1,100	$287K	0.0%	$260.76	$197.50	+30.3%	COM	452308109
BA	Boeing Co	1,245	$269K	0.0%	$215.83 *	$156.93	+43.7%	COM	097023105
—	Verizon	5,840	$257K	0.0%	$43.95	$50.03	—	COM	92343v104
—	Quest Diagnostics	1,300	$248K	0.0%	$190.58	$116.44	—	COM	74834l100
—	UnitedHealth	715	$247K	0.0%	$345.30	$345.30	—	COM	91324p102
—	Meta Platforms Inc.	336	$247K	0.0%	$734.38	$738.09	—	COM	30303m102
CVX	Chevron	1,350	$210K	0.0%	$155.29	$152.28	0.0%	COM	166764100
CFG	Citizens Financial Group	3,800	$202K	0.0%	$53.16 *	$49.19	0.0%	COM	174610105