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

Currently, CHECK CAPITAL MANAGEMENT INC/CA holds 52 types of securities in its portfolio with a total value $1.6B. In the most recent quarter, they have increased their positions in MKL (+2.3K shares, valued at $4.5M), FRFHF (+1.8K shares, valued at $2.9M), HSY (+13.0K shares, valued at $2.3M); decreased their positions in BRK.B (-272.0K shares, valued at $136.1M), N/A (-22.7K shares, valued at $8.0M), N/A (-9.8K shares, valued at $1.4M); initiated new positions in FCX (+3.9K shares, valued at $244.1K), HBM (+9.9K shares, valued at $234.7K), N/A (+500 shares, valued at $216.7K).

1M P&L

-22.7M-1.97%

3M P&L

-20.2M-1.76%

HY P&L

+30.7M+2.79%

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

1Insurance - Diversified418.5M

35.9%

2Asset Management188.1M

16.2%

3Insurance - Property & Casualty155.7M

13.4%

Top Industries by Stock Count

1N/A6 stocks

17.1%

2Banks - Diversified3 stocks

8.6%

3Asset Management2 stocks

5.7%

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Stock Holdings

TickerCompany NameSharesShares △%Event DateReport DateHistory

BRK.B Berkshire Hathaway836.4K shares-24.54%2026-06-302026-08-03

Alphabet Alphabet667.7K shares-3.28%2026-06-302026-08-03

BN Brookfield Corp.4.4M shares0.53%2026-06-302026-08-03

MKL Markel79.2K shares3.02%2026-06-302026-08-03

AerCap Holdings AerCap Holdings807.9K shares-1.20%2026-06-302026-08-03

FCNCA First Citizens44.4K shares0.65%2026-06-302026-08-03

SIRI Sirius XM2.9M shares-0.50%2026-06-302026-08-03

LKQ LKQ Corp1.9M shares-1.60%2026-06-302026-08-03

Sponsored

AMZN Amazon206.1K shares0.97%2026-06-302026-08-03

Cimpress Cimpress472.5K shares0.22%2026-06-302026-08-03

DIS Disney (Walt)450.2K shares2.65%2026-06-302026-08-03

HSY Hershey Foods205.3K shares6.74%2026-06-302026-08-03

Jefferies Jefferies685.9K shares0.84%2026-06-302026-08-03

BRK.A Berkshire Hathaway 'A'28 shares-3.45%2026-06-302026-08-03

Wayfair Wayfair169.0K shares0.64%2026-06-302026-08-03

AAPL Apple23.4K shares1.59%2026-06-302026-08-03

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Biglari Cl A Biglari Cl A1.6K shares-1.01%2026-06-302026-08-03

FRFHF Fairfax Finl Hldgs2.0K shares803.65%2026-06-302026-08-03

MSFT Microsoft6.2K shares2.47%2026-06-302026-08-03

CAT Caterpillar Tractor1.7K shares0.00%2026-06-302026-08-03

AMGN Amgen3.9K shares0.00%2026-06-302026-08-03

Alphabet Class A Alphabet Class A3.7K shares0.00%2026-06-302026-08-03

GLW Corning5.0K shares0.00%2026-06-302026-08-03

Goldman Sachs Goldman Sachs1.2K shares0.00%2026-06-302026-08-03

Sponsored

General Electric General Electric3.0K shares0.00%2026-06-302026-08-03

GEV GE Vernova901 shares0.00%2026-06-302026-08-03

TRUP Trupanion Inc.40.1K shares-1.52%2026-06-302026-08-03

Tesla Motors Tesla Motors2.4K shares-6.00%2026-06-302026-08-03

XT IShares Exponential Technologi8.8K shares0.00%2026-06-302026-08-03

SPY SPDR S&P 500965 shares0.00%2026-06-302026-08-03

BAC Bank of America12.0K shares0.05%2026-06-302026-08-03

Raytheon Technologies Raytheon Technologies3.5K shares0.00%2026-06-302026-08-03

Sponsored

Nvidia Nvidia3.1K shares45.35%2026-06-302026-08-03

BAM Brookfield Asset Management13.1K shares1.35%2026-06-302026-08-03

UNH UnitedHealth1.1K shares-8.93%2026-06-302026-08-03

Biglari Holdings Biglari Holdings967 shares0.00%2026-06-302026-08-03

FAST Fastenal7.9K shares0.00%2026-06-302026-08-03

WFC Wells Fargo4.5K shares1.59%2026-06-302026-08-03

UBER Uber4.9K shares0.10%2026-06-302026-08-03

SCHG Schwab US Large Cap Growth9.8K shares0.00%2026-06-302026-08-03

Sponsored

JPM JPMorgan Chase957 shares0.10%2026-06-302026-08-03

BA Boeing Co1.4K shares0.00%2026-06-302026-08-03

FedEx FedEx961 shares-3.22%2026-06-302026-08-03

ITW Illinois Tool Works1.1K shares0.00%2026-06-302026-08-03

Quest Diagnostics Quest Diagnostics1.3K shares0.00%2026-06-302026-08-03

CFG Citizens Financial Group3.8K shares0.00%2026-06-302026-08-03

FCX Freeport Mcmoran Copper3.9K sharesnew addition2026-06-302026-08-03

HBM Hudbay Minerals9.9K sharesnew addition2026-06-302026-08-03

Sponsored

Lam Research Lam Research500 sharesnew addition2026-06-302026-08-03

Taseko Mines Taseko Mines31.4K sharesnew addition2026-06-302026-08-03

CVX Chevron1.3K shares-7.41%2026-06-302026-08-03

SCHA Schwab US Small Cap ETF5.6K sharesnew addition2026-06-302026-08-03

BRK.B

Berkshire Hathaway

-24.54%

Shares836.4K

Event2026-06-30

Filed2026-08-03

Alphabet

-3.28%

Shares667.7K

Event2026-06-30

Filed2026-08-03

Brookfield Corp.

0.53%

Shares4.4M

Event2026-06-30

Filed2026-08-03

MKL

Markel

3.02%

Shares79.2K

Event2026-06-30

Filed2026-08-03

AerCap Holdings

-1.20%

Shares807.9K

Event2026-06-30

Filed2026-08-03

FCNCA

First Citizens

0.65%

Shares44.4K

Event2026-06-30

Filed2026-08-03

SIRI

Sirius XM

-0.50%

Shares2.9M

Event2026-06-30

Filed2026-08-03

LKQ

LKQ Corp

-1.60%

Shares1.9M

Event2026-06-30

Filed2026-08-03

AMZN

Amazon

0.97%

Shares206.1K

Event2026-06-30

Filed2026-08-03

Cimpress

0.22%

Shares472.5K

Event2026-06-30

Filed2026-08-03

DIS

Disney (Walt)

2.65%

Shares450.2K

Event2026-06-30

Filed2026-08-03

HSY

Hershey Foods

6.74%

Shares205.3K

Event2026-06-30

Filed2026-08-03

Jefferies

0.84%

Shares685.9K

Event2026-06-30

Filed2026-08-03

BRK.A

Berkshire Hathaway 'A'

-3.45%

Shares28

Event2026-06-30

Filed2026-08-03

Wayfair

0.64%

Shares169.0K

Event2026-06-30

Filed2026-08-03

AAPL

Apple

1.59%

Shares23.4K

Event2026-06-30

Filed2026-08-03

Biglari Cl A

-1.01%

Shares1.6K

Event2026-06-30

Filed2026-08-03

FRFHF

Fairfax Finl Hldgs

803.65%

Shares2.0K

Event2026-06-30

Filed2026-08-03

MSFT

Microsoft

2.47%

Shares6.2K

Event2026-06-30

Filed2026-08-03

CAT

Caterpillar Tractor

0.00%

Shares1.7K

Event2026-06-30

Filed2026-08-03

AMGN

Amgen

0.00%

Shares3.9K

Event2026-06-30

Filed2026-08-03

Alphabet Class A

0.00%

Shares3.7K

Event2026-06-30

Filed2026-08-03

GLW

Corning

0.00%

Shares5.0K

Event2026-06-30

Filed2026-08-03

Goldman Sachs

0.00%

Shares1.2K

Event2026-06-30

Filed2026-08-03

General Electric

0.00%

Shares3.0K

Event2026-06-30

Filed2026-08-03

GEV

GE Vernova

0.00%

Shares901

Event2026-06-30

Filed2026-08-03

TRUP

Trupanion Inc.

-1.52%

Shares40.1K

Event2026-06-30

Filed2026-08-03

Tesla Motors

-6.00%

Shares2.4K

Event2026-06-30

Filed2026-08-03

IShares Exponential Technologi

0.00%

Shares8.8K

Event2026-06-30

Filed2026-08-03

SPY

SPDR S&P 500

0.00%

Shares965

Event2026-06-30

Filed2026-08-03

BAC

Bank of America

0.05%

Shares12.0K

Event2026-06-30

Filed2026-08-03

Raytheon Technologies

0.00%

Shares3.5K

Event2026-06-30

Filed2026-08-03

Nvidia

45.35%

Shares3.1K

Event2026-06-30

Filed2026-08-03

BAM

Brookfield Asset Management

1.35%

Shares13.1K

Event2026-06-30

Filed2026-08-03

UNH

UnitedHealth

-8.93%

Shares1.1K

Event2026-06-30

Filed2026-08-03

Biglari Holdings

0.00%

Shares967

Event2026-06-30

Filed2026-08-03

FAST

Fastenal

0.00%

Shares7.9K

Event2026-06-30

Filed2026-08-03

WFC

Wells Fargo

1.59%

Shares4.5K

Event2026-06-30

Filed2026-08-03

UBER

Uber

0.10%

Shares4.9K

Event2026-06-30

Filed2026-08-03

SCHG

Schwab US Large Cap Growth

0.00%

Shares9.8K

Event2026-06-30

Filed2026-08-03

JPM

JPMorgan Chase

0.10%

Shares957

Event2026-06-30

Filed2026-08-03

Boeing Co

0.00%

Shares1.4K

Event2026-06-30

Filed2026-08-03

FedEx

-3.22%

Shares961

Event2026-06-30

Filed2026-08-03

ITW

Illinois Tool Works

0.00%

Shares1.1K

Event2026-06-30

Filed2026-08-03

Quest Diagnostics

0.00%

Shares1.3K

Event2026-06-30

Filed2026-08-03

CFG

Citizens Financial Group

0.00%

Shares3.8K

Event2026-06-30

Filed2026-08-03

FCX

Freeport Mcmoran Copper

New

Shares3.9K

Event2026-06-30

Filed2026-08-03

HBM

Hudbay Minerals

New

Shares9.9K

Event2026-06-30

Filed2026-08-03

Lam Research

New

Shares500

Event2026-06-30

Filed2026-08-03

Taseko Mines

New

Shares31.4K

Event2026-06-30

Filed2026-08-03

CVX

Chevron

-7.41%

Shares1.3K

Event2026-06-30

Filed2026-08-03

SCHA

Schwab US Small Cap ETF

New

Shares5.6K

Event2026-06-30

Filed2026-08-03

Call Option Holdings

BRK.B Call CallBerkshire Hathaway4.0M shares6.09%2026-06-302026-08-03

BRK.B Call

Berkshire Hathaway

6.09%

Shares4.0M

Event2026-06-30

Filed2026-08-03

Put Option Holdings

No put option holdings data available