CHECK CAPITAL MANAGEMENT INC/CA Diversified Active

Location: Costa Mesa, CA

CIK: 0001032814 · Show all filings

Period: Q3 2025 (← Previous) (Next →)

Filing Date: Nov 6, 2025

Total Value: $3.034B (100.0% shares, 0.0% debt)

Holdings (51)

BRK/B Berkshire Hathaway 48.0%

Value $1.455B Shares 2,893,900 Est. Cost $163.58 Unrealized +196.1%

BRK/B Berkshire Hathaway 17.8%

Value $541M Shares 1,075,160 Est. Cost $163.58 Unrealized +196.1%

BN Brookfield Corp. 6.6%

Value $201M Shares 2,929,168 Est. Cost $21.91 Unrealized +101.8%

— Alphabet 5.7%

Value $174M Shares 715,352 Est. Cost $140.00 Unrealized —

MKL Markel 4.9%

Value $148M Shares 77,545 Est. Cost $1187.00 Unrealized +65.2%

— AerCap Holdings 3.3%

Value $101M Shares 831,737 Est. Cost $56.03 Unrealized —

FCNCA First Citizens 2.1%

Value $63.27M Shares 35,364 Est. Cost $1448.11 Unrealized +35.9%

DIS Disney (Walt) 1.6%

Value $49.72M Shares 434,268 Est. Cost $103.83 Unrealized +12.7%

LKQ LKQ Corp 1.6%

Value $48.6M Shares 1,591,318 Est. Cost $31.66 Unrealized +2.2%

SIRI Sirius XM 1.6%

Value $47.99M Shares 2,061,843 Est. Cost $24.89 Unrealized -7.1%

Value $47.21M Shares 200,188 Est. Cost $175.94 Unrealized —

HSY Hershey Foods 1.2%

Value $35.38M Shares 189,169 Est. Cost $179.44 Unrealized +0.1%

KMX CarMax 0.9%

Value $26.92M Shares 600,043 Est. Cost $79.31 Unrealized -24.7%

— Cimpress 0.8%

Value $24.23M Shares 384,287 Est. Cost $76.85 Unrealized —

BRK/A Berkshire Hathaway 'A' 0.7%

Value $21.87M Shares 29 Est. Cost $250196.95 Unrealized +190.5%

— Wayfair 0.5%

Value $14.99M Shares 167,850 Est. Cost $206.81 Unrealized —

AAPL Apple 0.2%

Value $6.466M Shares 25,395 Est. Cost $99.85 Unrealized +125.9%

BAC Bank of America 0.1%

Value $4.161M Shares 80,651 Est. Cost $27.95 Unrealized +73.0%

— Biglari Cl A 0.1%

Value $3.418M Shares 2,212 Est. Cost $713.14 Unrealized —

MSFT Microsoft 0.1%

Value $3.173M Shares 6,126 Est. Cost $86.67 Unrealized +486.9%

TRUP Trupanion Inc. 0.1%

Value $1.774M Shares 40,980 Est. Cost $33.36 Unrealized +42.4%

AMGN Amgen 0.0%

Value $1.096M Shares 3,885 Est. Cost $137.39 Unrealized +108.6%

— Tesla Motors 0.0%

Value $1.09M Shares 2,450 Est. Cost $225.36 Unrealized —

— Goldman Sachs 0.0%

Value $980K Shares 1,230 Est. Cost $236.50 Unrealized —

— General Electric 0.0%

Value $975K Shares 3,240 Est. Cost $87.57 Unrealized —

— Alphabet Class A 0.0%

Value $881K Shares 3,623 Est. Cost $156.06 Unrealized —

CAT Caterpillar Tractor 0.0%

Value $819K Shares 1,717 Est. Cost $142.84 Unrealized +197.8%

AMZN Amazon Com 0.0%

Value $690K Shares 3,143 Est. Cost $137.22 Unrealized +64.9%

BAM Brookfield Asset Management 0.0%

Value $660K Shares 11,586 Est. Cost $28.96 Unrealized +102.7%

— SPDR S&P 500 0.0%

Value $643K Shares 965 Est. Cost $305.78 Unrealized —

XT IShares Exponential Technologi 0.0%

Value $633K Shares 8,800 Est. Cost $44.93 Unrealized —

GEV GE Vernova 0.0%

Value $608K Shares 988 Est. Cost $191.56 Unrealized +216.1%

RTX Raytheon Technologies 0.0%

Value $584K Shares 3,489 Est. Cost $81.24 Unrealized +89.9%

Value $479K Shares 4,890 Est. Cost $48.20 Unrealized +94.0%

— Biglari Holdings 0.0%

Value $434K Shares 1,340 Est. Cost $188.82 Unrealized —

GLW Corning 0.0%

Value $414K Shares 5,050 Est. Cost $40.86 Unrealized +59.0%

— Nvidia 0.0%

Value $401K Shares 2,147 Est. Cost $128.80 Unrealized —

FAST Fastenal 0.0%

Value $388K Shares 7,920 Est. Cost $25.57 Unrealized +83.6%

— Powershares QQQ Trust 0.0%

Value $385K Shares 641 Est. Cost $468.92 Unrealized —

WFC Wells Fargo 0.0%

Value $370K Shares 4,413 Est. Cost $34.35 Unrealized +134.3%

— Conocophillips 0.0%

Value $315K Shares 3,334 Est. Cost $60.81 Unrealized —

SCHG Schwab US Large Cap Growth 0.0%

Value $313K Shares 9,800 Est. Cost $41.64 Unrealized —

— JPMorgan Chase 0.0%

Value $301K Shares 954 Est. Cost $239.74 Unrealized —

ITW Illinois Tool Works 0.0%

Value $287K Shares 1,100 Est. Cost $197.50 Unrealized +30.3%

BA Boeing Co 0.0%

Value $269K Shares 1,245 Est. Cost $156.93 Unrealized +43.7%

— Verizon 0.0%

Value $257K Shares 5,840 Est. Cost $50.03 Unrealized —

— Quest Diagnostics 0.0%

Value $248K Shares 1,300 Est. Cost $116.44 Unrealized —

— UnitedHealth 0.0%

Value $247K Shares 715 Est. Cost $345.30 Unrealized —

— Meta Platforms Inc. 0.0%

Value $247K Shares 336 Est. Cost $738.09 Unrealized —

CVX Chevron 0.0%

Value $210K Shares 1,350 Est. Cost $152.28 Unrealized 0.0%

CFG Citizens Financial Group 0.0%

Value $202K Shares 3,800 Est. Cost $49.19 Unrealized 0.0%

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