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The Analysis of CHECK CAPITAL MANAGEMENT INC/CA's Holdings & P&L

Currently, CHECK CAPITAL MANAGEMENT INC/CA holds 49 types of securities in its portfolio with a total value $1.6B. In the most recent quarter, they have increased their positions in AMZN (+200.6K shares, valued at $41.8M), LKQ (+358.6K shares, valued at $10.5M), N/A (+227.7K shares, valued at $9.4M); decreased their positions in N/A (-13.2K shares, valued at $3.8M), BAC (-67.7K shares, valued at $3.3M), N/A (-9.7K shares, valued at $1.3M).

1M P&L

-9.7M-1.66%

3M P&L

-27.5M-4.58%

HY P&L

-6.1M-1.06%

P&L figures are estimated based on reported 13F stock holdings and market price changes. They are approximations and may not reflect actual fund performance. Stock split events may also affect the accuracy of these calculations, and we cannot guarantee that all splits have been fully accounted for.

Top Holding Treemap

Top Industries by Value

1Asset Management177.3M

32.5%

2Insurance - Property & Casualty148.2M

27.2%

3Auto Parts56.3M

10.3%

Top Industries by Stock Count

1N/A4 stocks

14.8%

2Aerospace & Defense3 stocks

11.1%

3Banks - Diversified2 stocks

7.4%

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Stock Holdings

TickerCompany NameSharesShares △%Event DateReport DateHistory

Berkshire Hathaway Berkshire Hathaway1.1M shares0.53%2026-03-312026-05-04

Alphabet Alphabet690.4K shares-1.88%2026-03-312026-05-04

BN Brookfield Corp.4.4M shares-0.21%2026-03-312026-05-04

MKL Markel76.9K shares-0.55%2026-03-312026-05-04

AerCap Holdings AerCap Holdings817.7K shares-1.17%2026-03-312026-05-04

First Citizens First Citizens44.1K shares2.99%2026-03-312026-05-04

Sirius XM Sirius XM2.9M shares2.05%2026-03-312026-05-04

LKQ LKQ Corp1.9M shares23.01%2026-03-312026-05-04

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AMZN Amazon204.1K shares5762.88%2026-03-312026-05-04

DIS Disney (Walt)438.5K shares0.43%2026-03-312026-05-04

HSY Hershey Foods192.3K shares0.85%2026-03-312026-05-04

Cimpress Cimpress471.5K shares15.95%2026-03-312026-05-04

Jefferies Jefferies680.2K shares50.32%2026-03-312026-05-04

BRK.A Berkshire Hathaway 'A'29 shares0.00%2026-03-312026-05-04

Wayfair Wayfair167.9K shares0.45%2026-03-312026-05-04

AAPL Apple23.1K shares-9.14%2026-03-312026-05-04

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Biglari Cl A Biglari Cl A1.6K shares-28.27%2026-03-312026-05-04

MSFT Microsoft6.1K shares-0.77%2026-03-312026-05-04

AMGN Amgen3.9K shares0.00%2026-03-312026-05-04

CAT Caterpillar Tractor1.7K shares0.00%2026-03-312026-05-04

Alphabet Class A Alphabet Class A3.7K shares1.66%2026-03-312026-05-04

TRUP Trupanion Inc.40.7K shares-0.21%2026-03-312026-05-04

Goldman Sachs Goldman Sachs1.2K shares0.00%2026-03-312026-05-04

Tesla Motors Tesla Motors2.5K shares0.00%2026-03-312026-05-04

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GE General Electric3.0K shares-7.72%2026-03-312026-05-04

GEV GE Vernova901 shares-8.81%2026-03-312026-05-04

GLW Corning5.0K shares0.00%2026-03-312026-05-04

RTX Raytheon Technologies3.5K shares0.00%2026-03-312026-05-04

SPDR S&P 500 SPDR S&P 500965 shares0.00%2026-03-312026-05-04

XT IShares Exponential Technologi8.8K shares0.00%2026-03-312026-05-04

BAC Bank of America12.0K shares-84.91%2026-03-312026-05-04

Brookfield Asset Management Brookfield Asset Management13.0K shares1.31%2026-03-312026-05-04

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FRFHF Fairfax Finl Hldgs219 shares64.66%2026-03-312026-05-04

Nvidia Nvidia2.1K shares0.00%2026-03-312026-05-04

FAST Fastenal7.9K shares0.00%2026-03-312026-05-04

FedEx FedEx993 shares-55.61%2026-03-312026-05-04

WFC Wells Fargo4.4K shares-12.41%2026-03-312026-05-04

UBER Uber4.9K shares0.00%2026-03-312026-05-04

Conocophillips Conocophillips2.5K shares0.00%2026-03-312026-05-04

UnitedHealth UnitedHealth1.2K shares71.35%2026-03-312026-05-04

Sponsored

Biglari Holdings Biglari Holdings967 shares-27.84%2026-03-312026-05-04

BA Boeing Co1.4K shares16.06%2026-03-312026-05-04

ITW Illinois Tool Works1.1K shares0.00%2026-03-312026-05-04

SCHG Schwab US Large Cap Growth9.8K shares0.00%2026-03-312026-05-04

JPMorgan Chase JPMorgan Chase956 shares0.10%2026-03-312026-05-04

CVX Chevron1.4K shares0.00%2026-03-312026-05-04

Quest Diagnostics Quest Diagnostics1.3K shares0.00%2026-03-312026-05-04

Verizon Verizon4.8K shares-18.09%2026-03-312026-05-04

Sponsored

CFG Citizens Financial Group3.8K shares0.00%2026-03-312026-05-04

Berkshire Hathaway

0.53%

Shares1.1M

Event2026-03-31

Filed2026-05-04

Alphabet

-1.88%

Shares690.4K

Event2026-03-31

Filed2026-05-04

Brookfield Corp.

-0.21%

Shares4.4M

Event2026-03-31

Filed2026-05-04

MKL

Markel

-0.55%

Shares76.9K

Event2026-03-31

Filed2026-05-04

AerCap Holdings

-1.17%

Shares817.7K

Event2026-03-31

Filed2026-05-04

First Citizens

2.99%

Shares44.1K

Event2026-03-31

Filed2026-05-04

Sirius XM

2.05%

Shares2.9M

Event2026-03-31

Filed2026-05-04

LKQ

LKQ Corp

23.01%

Shares1.9M

Event2026-03-31

Filed2026-05-04

AMZN

Amazon

5762.88%

Shares204.1K

Event2026-03-31

Filed2026-05-04

DIS

Disney (Walt)

0.43%

Shares438.5K

Event2026-03-31

Filed2026-05-04

HSY

Hershey Foods

0.85%

Shares192.3K

Event2026-03-31

Filed2026-05-04

Cimpress

15.95%

Shares471.5K

Event2026-03-31

Filed2026-05-04

Jefferies

50.32%

Shares680.2K

Event2026-03-31

Filed2026-05-04

BRK.A

Berkshire Hathaway 'A'

0.00%

Shares29

Event2026-03-31

Filed2026-05-04

Wayfair

0.45%

Shares167.9K

Event2026-03-31

Filed2026-05-04

AAPL

Apple

-9.14%

Shares23.1K

Event2026-03-31

Filed2026-05-04

Biglari Cl A

-28.27%

Shares1.6K

Event2026-03-31

Filed2026-05-04

MSFT

Microsoft

-0.77%

Shares6.1K

Event2026-03-31

Filed2026-05-04

AMGN

Amgen

0.00%

Shares3.9K

Event2026-03-31

Filed2026-05-04

CAT

Caterpillar Tractor

0.00%

Shares1.7K

Event2026-03-31

Filed2026-05-04

Alphabet Class A

1.66%

Shares3.7K

Event2026-03-31

Filed2026-05-04

TRUP

Trupanion Inc.

-0.21%

Shares40.7K

Event2026-03-31

Filed2026-05-04

Goldman Sachs

0.00%

Shares1.2K

Event2026-03-31

Filed2026-05-04

Tesla Motors

0.00%

Shares2.5K

Event2026-03-31

Filed2026-05-04

General Electric

-7.72%

Shares3.0K

Event2026-03-31

Filed2026-05-04

GEV

GE Vernova

-8.81%

Shares901

Event2026-03-31

Filed2026-05-04

GLW

Corning

0.00%

Shares5.0K

Event2026-03-31

Filed2026-05-04

RTX

Raytheon Technologies

0.00%

Shares3.5K

Event2026-03-31

Filed2026-05-04

SPDR S&P 500

0.00%

Shares965

Event2026-03-31

Filed2026-05-04

IShares Exponential Technologi

0.00%

Shares8.8K

Event2026-03-31

Filed2026-05-04

BAC

Bank of America

-84.91%

Shares12.0K

Event2026-03-31

Filed2026-05-04

Brookfield Asset Management

1.31%

Shares13.0K

Event2026-03-31

Filed2026-05-04

FRFHF

Fairfax Finl Hldgs

64.66%

Shares219

Event2026-03-31

Filed2026-05-04

Nvidia

0.00%

Shares2.1K

Event2026-03-31

Filed2026-05-04

FAST

Fastenal

0.00%

Shares7.9K

Event2026-03-31

Filed2026-05-04

FedEx

-55.61%

Shares993

Event2026-03-31

Filed2026-05-04

WFC

Wells Fargo

-12.41%

Shares4.4K

Event2026-03-31

Filed2026-05-04

UBER

Uber

0.00%

Shares4.9K

Event2026-03-31

Filed2026-05-04

Conocophillips

0.00%

Shares2.5K

Event2026-03-31

Filed2026-05-04

UnitedHealth

71.35%

Shares1.2K

Event2026-03-31

Filed2026-05-04

Biglari Holdings

-27.84%

Shares967

Event2026-03-31

Filed2026-05-04

Boeing Co

16.06%

Shares1.4K

Event2026-03-31

Filed2026-05-04

ITW

Illinois Tool Works

0.00%

Shares1.1K

Event2026-03-31

Filed2026-05-04

SCHG

Schwab US Large Cap Growth

0.00%

Shares9.8K

Event2026-03-31

Filed2026-05-04

JPMorgan Chase

0.10%

Shares956

Event2026-03-31

Filed2026-05-04

CVX

Chevron

0.00%

Shares1.4K

Event2026-03-31

Filed2026-05-04

Quest Diagnostics

0.00%

Shares1.3K

Event2026-03-31

Filed2026-05-04

Verizon

-18.09%

Shares4.8K

Event2026-03-31

Filed2026-05-04

CFG

Citizens Financial Group

0.00%

Shares3.8K

Event2026-03-31

Filed2026-05-04

Call Option Holdings

Berkshire Hathaway Call CallBerkshire Hathaway3.8M shares7.85%2026-03-312026-05-04

Berkshire Hathaway Call

Berkshire Hathaway

7.85%

Shares3.8M

Event2026-03-31

Filed2026-05-04

Put Option Holdings

No put option holdings data available