Check Capital Management Inc

13F filer · CIK 0001032814

Reported Aug 5, 2026

Net buyer this quarter

13F portfolio value$11.2BU.S. long equity reported on 13F

Positions454 new · 3 closed

Net flow last quarter+$2.81BBuys minus sells

Top 10 positions weight35.7%Concentration

Holdings

13F · last 4 quarters free

Scroll for earlier quarters

Company	Value	% of portfolio	% of company	POSITION CHANGE qoq %	First reported
Q2 2026Reported Aug 5, 202645 positions
BRK.BBerkshire Hathaway Inc	$1.54B	13.79%	Not reported	+177.4%	Q3 2012
BNBROOKFIELD Corp	$563M	5.05%	Not reported	+201.9%	Q4 2022
MKLMarkel Group Inc.	$464M	4.16%	1.90%	+209.1%	Q4 2012
AERAerCap Holdings N.V.	$353M	3.17%	1.45%	+196.4%	Q1 2021
FCNCAFirst Citizens Bancshares Inc	$277M	2.48%	Not reported	+202.0%	Q2 2023
SIRISirius XM Holdings Inc.	$259M	2.32%	2.61%	+198.5%	Q3 2024
LKQLKQ Corp	$149M	1.34%	2.23%	+195.2%	Q1 2017
AMZNAmazon Com Inc	$147M	1.32%	0.01%	+202.9%	Q2 2017
DISWalt Disney Co	$130M	1.16%	0.08%	+208.0%	Q1 2016
HSYHershey Co	$108M	0.97%	0.30%	+220.2%	Q1 2024
JEFJefferies Financial Group Inc.	$103M	0.92%	1.01%	+202.5%	Q2 2018
BRK.ABerkshire Hathaway Inc	$62.9M	0.56%	Not reported	+189.7%	Q3 2012
WWayfair Inc.	$46.9M	0.42%	Not reported	+201.9%	Q2 2020
AAPLApple Inc.	$13.6M	0.12%	0.00%	+103.2%	Q3 2012
FRFHFFairfax Financial Holdings Ltd/ Can	$9.76M	0.09%	0.02%	+2611.0%	Q4 2025
BH.ABiglari Holdings Inc.	$6.58M	0.06%	1.51%	+98.0%	Q2 2018
MSFTMicrosoft Corp	$4.65M	0.04%	0.00%	+104.9%	Q3 2012
CATCaterpillar Inc	$3.66M	0.03%	0.00%	+100.0%	Q3 2012
AMGNAmgen Inc	$2.81M	0.03%	0.00%	+100.0%	Q1 2013
GLWCorning Inc	$2.58M	0.02%	0.00%	+100.0%	Q3 2012
GSGoldman Sachs Group Inc	$2.49M	0.02%	0.00%	+100.0%	Q4 2016
GEVGE Vernova Inc.	$2.12M	0.02%	0.00%	+100.0%	Q3 2024
TRUPTrupanion, Inc.	$1.99M	0.02%	0.18%	+97.0%	Q1 2018
TSLATesla, Inc.	$1.98M	0.02%	0.00%	+88.0%	Q4 2020
SPYSPDR S&P 500 ETF Trust	$1.44M	0.01%	Not reported	+100.0%	Q2 2017
BACBank of America Corp	$1.37M	0.01%	0.00%	+100.1%	Q3 2014
RTXRTX Corp	$1.32M	0.01%	0.00%	+100.0%	Q3 2023
NVDANvidia Corp	$1.23M	0.01%	0.00%	+190.7%	Q1 2013
BAMBrookfield Asset Management Ltd.	$1.18M	0.01%	Not reported	+102.7%	Q4 2017
UNHUnitedhealth Group Inc	$933K	0.01%	0.00%	+82.1%	Q3 2012
BHBiglari Holdings Inc.	$824K	0.01%	Not reported	+100.0%	Q4 2016
FASTFastenal Co	$761K	0.01%	0.00%	+100.0%	Q3 2014
WFCWells Fargo & Company	$741K	0.01%	0.00%	+103.2%	Q3 2012
UBERUber Technologies, Inc	$702K	0.01%	0.00%	+100.2%	Q2 2023
JPMJPMorgan Chase & Co	$627K	0.01%	0.00%	+100.2%	Q4 2024
BABoeing Co	$626K	0.01%	0.00%	+100.0%	Q3 2012
FDXFedex Corp	$602K	0.01%	0.00%	+93.6%	Q3 2013
ITWIllinois Tool Works Inc	$595K	0.01%	0.00%	+100.0%	Q1 2013
DGXQuest Diagnostics Inc	$551K	0.00%	0.00%	+100.0%	Q4 2020
CFGCitizens Financial Group Inc	$533K	0.00%	0.00%	+100.0%	Q3 2017
FCXFreeport-Mcmoran Inc	$488K	0.00%	0.00%	New	Q2 2026
HBMHudbay Minerals Inc.	$469K	0.00%	0.01%	New	Q2 2026
LRCXLam Research Corp	$433K	0.00%	0.00%	New	Q2 2026
TGBTrekor Metals Ltd	$431K	0.00%	0.02%	New	Q2 2026
CVXChevron Corp	$414K	0.00%	0.00%	+85.2%	Q4 2013
Q1 2026Reported May 4, 202643 positions
BRK.BBerkshire Hathaway Inc	$531M	15.46%	Not reported	+0.5%	Q3 2012
BNBROOKFIELD Corp	$177M	5.16%	Not reported	-0.2%	Q4 2022
MKLMarkel Group Inc.	$147M	4.28%	0.61%	-0.6%	Q4 2012
AERAerCap Holdings N.V.	$112M	3.26%	0.49%	-1.2%	Q1 2021
FCNCAFirst Citizens Bancshares Inc	$83.1M	2.42%	Not reported	+3.0%	Q2 2023
SIRISirius XM Holdings Inc.	$67.9M	1.98%	0.88%	+2.1%	Q3 2024
LKQLKQ Corp	$56.3M	1.64%	0.75%	+23.0%	Q1 2017
AMZNAmazon Com Inc	$42.5M	1.24%	0.00%	+5762.9%	Q2 2017
DISWalt Disney Co	$42.3M	1.23%	0.02%	+0.4%	Q1 2016
HSYHershey Co	$40M	1.16%	0.09%	+0.9%	Q1 2024
JEFJefferies Financial Group Inc.	$28.1M	0.82%	0.33%	+50.3%	Q2 2018
BRK.ABerkshire Hathaway Inc	$20.8M	0.61%	Not reported	Not reported	Q3 2012
WWayfair Inc.	$12.6M	0.37%	Not reported	+0.5%	Q2 2020
AAPLApple Inc.	$5.86M	0.17%	0.00%	-9.1%	Q3 2012
BH.ABiglari Holdings Inc.	$2.75M	0.08%	0.76%	-28.3%	Q2 2018
MSFTMicrosoft Corp	$2.25M	0.07%	0.00%	-0.8%	Q3 2012
AMGNAmgen Inc	$1.37M	0.04%	0.00%	Not reported	Q1 2013
CATCaterpillar Inc	$1.22M	0.04%	0.00%	Not reported	Q3 2012
TRUPTrupanion, Inc.	$1.04M	0.03%	0.09%	-0.2%	Q1 2018
GSGoldman Sachs Group Inc	$1.04M	0.03%	0.00%	Not reported	Q4 2016
TSLATesla, Inc.	$929K	0.03%	0.00%	Not reported	Q4 2020
GEVGE Vernova Inc.	$786K	0.02%	0.00%	-8.8%	Q3 2024
GLWCorning Inc	$687K	0.02%	0.00%	Not reported	Q3 2012
RTXRTX Corp	$673K	0.02%	0.00%	Not reported	Q3 2023
SPYSPDR S&P 500 ETF Trust	$628K	0.02%	Not reported	Not reported	Q2 2017
BACBank of America Corp	$587K	0.02%	0.00%	-84.9%	Q3 2014
BAMBrookfield Asset Management Ltd.	$576K	0.02%	Not reported	+1.3%	Q4 2017
FRFHFFairfax Financial Holdings Ltd/ Can	$372K	0.01%	0.00%	+64.7%	Q4 2025
NVDANvidia Corp	$369K	0.01%	0.00%	Not reported	Q1 2013
FASTFastenal Co	$367K	0.01%	0.00%	Not reported	Q3 2014
FDXFedex Corp	$354K	0.01%	0.00%	-55.6%	Q3 2013
WFCWells Fargo & Company	$351K	0.01%	0.00%	-12.4%	Q3 2012
UBERUber Technologies, Inc	$350K	0.01%	0.00%	Not reported	Q2 2023
COPConocophillips	$334K	0.01%	0.00%	Not reported	Q3 2012
UNHUnitedhealth Group Inc	$333K	0.01%	0.00%	+71.4%	Q3 2012
BHBiglari Holdings Inc.	$319K	0.01%	Not reported	-27.8%	Q4 2016
BABoeing Co	$288K	0.01%	0.00%	+16.1%	Q3 2012
ITWIllinois Tool Works Inc	$286K	0.01%	0.00%	Not reported	Q1 2013
JPMJPMorgan Chase & Co	$281K	0.01%	0.00%	+0.1%	Q4 2024
CVXChevron Corp	$279K	0.01%	0.00%	Not reported	Q4 2013
DGXQuest Diagnostics Inc	$255K	0.01%	0.00%	Not reported	Q4 2020
VZVerizon Communications Inc	$241K	0.01%	0.00%	-18.1%	Q1 2014
CFGCitizens Financial Group Inc	$228K	0.01%	0.00%	Not reported	Q3 2017
Q4 2025Reported Feb 6, 202644 positions
BRK.BBerkshire Hathaway Inc	$554M	16.12%	Not reported	+2.5%	Q3 2012
BNBROOKFIELD Corp	$201M	5.86%	Not reported	-0.1%	Q4 2022
MKLMarkel Group Inc.	$166M	4.84%	0.61%	-0.3%	Q4 2012
AERAerCap Holdings N.V.	$119M	3.46%	0.50%	-0.5%	Q1 2021
FCNCAFirst Citizens Bancshares Inc	$91.8M	2.67%	Not reported	+21.0%	Q2 2023
SIRISirius XM Holdings Inc.	$57.7M	1.68%	0.86%	+39.9%	Q3 2024
DISWalt Disney Co	$49.7M	1.45%	0.02%	+0.6%	Q1 2016
LKQLKQ Corp	$47.1M	1.37%	0.61%	-2.1%	Q1 2017
HSYHershey Co	$34.7M	1.01%	0.09%	+0.8%	Q1 2024
JEFJefferies Financial Group Inc.	$28M	0.82%	0.22%	Not reported	Q2 2018
BRK.ABerkshire Hathaway Inc	$21.9M	0.64%	Not reported	Not reported	Q3 2012
WWayfair Inc.	$16.8M	0.49%	Not reported	-0.4%	Q2 2020
AAPLApple Inc.	$6.9M	0.20%	0.00%	Not reported	Q3 2012
BACBank of America Corp	$4.39M	0.13%	0.00%	-1.1%	Q3 2014
BH.ABiglari Holdings Inc.	$3.83M	0.11%	1.06%	-0.5%	Q2 2018
MSFTMicrosoft Corp	$2.96M	0.09%	0.00%	Not reported	Q3 2012
TRUPTrupanion, Inc.	$1.52M	0.04%	0.09%	-0.5%	Q1 2018
AMGNAmgen Inc	$1.27M	0.04%	0.00%	Not reported	Q1 2013
TSLATesla, Inc.	$1.12M	0.03%	0.00%	+2.0%	Q4 2020
GSGoldman Sachs Group Inc	$1.08M	0.03%	0.00%	Not reported	Q4 2016
CATCaterpillar Inc	$984K	0.03%	0.00%	Not reported	Q3 2012
AMZNAmazon Com Inc	$804K	0.02%	0.00%	+10.8%	Q2 2017
BAMBrookfield Asset Management Ltd.	$670K	0.02%	Not reported	+10.4%	Q4 2017
SPYSPDR S&P 500 ETF Trust	$658K	0.02%	Not reported	Not reported	Q2 2017
FDXFedex Corp	$646K	0.02%	0.00%	-98.9%	Q3 2013
GEVGE Vernova Inc.	$646K	0.02%	0.00%	Not reported	Q3 2024
RTXRTX Corp	$640K	0.02%	0.00%	Not reported	Q3 2023
WFCWells Fargo & Company	$470K	0.01%	0.00%	+14.2%	Q3 2012
BHBiglari Holdings Inc.	$445K	0.01%	Not reported	Not reported	Q4 2016
GLWCorning Inc	$442K	0.01%	0.00%	Not reported	Q3 2012
UBERUber Technologies, Inc	$397K	0.01%	0.00%	-0.6%	Q2 2023
NVDANvidia Corp	$395K	0.01%	0.00%	-1.4%	Q1 2013
FASTFastenal Co	$318K	0.01%	0.00%	Not reported	Q3 2014
JPMJPMorgan Chase & Co	$308K	0.01%	0.00%	+0.1%	Q4 2024
ITWIllinois Tool Works Inc	$271K	0.01%	0.00%	Not reported	Q1 2013
BABoeing Co	$270K	0.01%	0.00%	Not reported	Q3 2012
FRFHFFairfax Financial Holdings Ltd/ Can	$254K	0.01%	0.00%	New	Q4 2025
VZVerizon Communications Inc	$239K	0.01%	0.00%	+0.3%	Q1 2014
UNHUnitedhealth Group Inc	$237K	0.01%	0.00%	+0.6%	Q3 2012
COPConocophillips	$237K	0.01%	0.00%	-24.0%	Q3 2012
DGXQuest Diagnostics Inc	$226K	0.01%	0.00%	Not reported	Q4 2020
CFGCitizens Financial Group Inc	$222K	0.01%	0.00%	Not reported	Q3 2017
METAMeta Platforms, Inc.	$222K	0.01%	Not reported	Not reported	Q2 2013
CVXChevron Corp	$206K	0.01%	0.00%	Not reported	Q4 2013
Q3 2025Reported Nov 6, 202543 positions
BRK.BBerkshire Hathaway Inc	$541M	17.82%	Not reported	+0.3%	Q3 2012
BNBROOKFIELD Corp	$201M	6.62%	Not reported	-0.5%	Q4 2022
MKLMarkel Group Inc.	$148M	4.89%	0.61%	-0.3%	Q4 2012
AERAerCap Holdings N.V.	$101M	3.32%	0.47%	-0.8%	Q1 2021
FCNCAFirst Citizens Bancshares Inc	$63.3M	2.09%	Not reported	+3.1%	Q2 2023
DISWalt Disney Co	$49.7M	1.64%	0.02%	+0.2%	Q1 2016
LKQLKQ Corp	$48.6M	1.60%	0.62%	+0.1%	Q1 2017
SIRISirius XM Holdings Inc.	$48M	1.58%	0.61%	+76.7%	Q3 2024
FDXFedex Corp	$47.2M	1.56%	0.08%	+0.6%	Q3 2013
HSYHershey Co	$35.4M	1.17%	0.09%	+1.4%	Q1 2024
KMXCarmax Inc	$26.9M	0.89%	0.41%	+0.2%	Q4 2016
BRK.ABerkshire Hathaway Inc	$21.9M	0.72%	Not reported	Not reported	Q3 2012
WWayfair Inc.	$15M	0.49%	Not reported	+0.5%	Q2 2020
AAPLApple Inc.	$6.47M	0.21%	0.00%	-4.8%	Q3 2012
BACBank of America Corp	$4.16M	0.14%	0.00%	-4.1%	Q3 2014
BH.ABiglari Holdings Inc.	$3.42M	0.11%	1.07%	-4.3%	Q2 2018
MSFTMicrosoft Corp	$3.17M	0.10%	0.00%	Not reported	Q3 2012
TRUPTrupanion, Inc.	$1.77M	0.06%	0.09%	-4.9%	Q1 2018
AMGNAmgen Inc	$1.1M	0.04%	0.00%	+2.4%	Q1 2013
TSLATesla, Inc.	$1.09M	0.04%	0.00%	-3.1%	Q4 2020
GSGoldman Sachs Group Inc	$980K	0.03%	0.00%	Not reported	Q4 2016
CATCaterpillar Inc	$819K	0.03%	0.00%	Not reported	Q3 2012
AMZNAmazon Com Inc	$690K	0.02%	0.00%	Not reported	Q2 2017
BAMBrookfield Asset Management Ltd.	$660K	0.02%	Not reported	Not reported	Q4 2017
SPYSPDR S&P 500 ETF Trust	$643K	0.02%	Not reported	Not reported	Q2 2017
GEVGE Vernova Inc.	$608K	0.02%	0.00%	Not reported	Q3 2024
RTXRTX Corp	$584K	0.02%	0.00%	Not reported	Q3 2023
UBERUber Technologies, Inc	$479K	0.02%	0.00%	-2.0%	Q2 2023
BHBiglari Holdings Inc.	$434K	0.01%	Not reported	Not reported	Q4 2016
GLWCorning Inc	$414K	0.01%	0.00%	Not reported	Q3 2012
NVDANvidia Corp	$401K	0.01%	0.00%	+1.4%	Q1 2013
FASTFastenal Co	$388K	0.01%	0.00%	Not reported	Q3 2014
WFCWells Fargo & Company	$370K	0.01%	0.00%	Not reported	Q3 2012
COPConocophillips	$315K	0.01%	0.00%	Not reported	Q3 2012
JPMJPMorgan Chase & Co	$301K	0.01%	0.00%	+0.1%	Q4 2024
ITWIllinois Tool Works Inc	$287K	0.01%	0.00%	Not reported	Q1 2013
BABoeing Co	$269K	0.01%	0.00%	Not reported	Q3 2012
VZVerizon Communications Inc	$257K	0.01%	0.00%	+0.3%	Q1 2014
DGXQuest Diagnostics Inc	$248K	0.01%	0.00%	Not reported	Q4 2020
UNHUnitedhealth Group Inc	$247K	0.01%	0.00%	Not reported	Q3 2012
METAMeta Platforms, Inc.	$247K	0.01%	Not reported	Not reported	Q2 2013
CVXChevron Corp	$210K	0.01%	0.00%	Not reported	Q4 2013
CFGCitizens Financial Group Inc	$202K	0.01%	0.00%	Not reported	Q3 2017

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