Check Capital Management Inc.

In its 13F for Q1 2025 (holdings as of March 31, 2025, filed May 2, 2025), Check Capital Management Inc. reported 50 stock positions worth $1.5 billion. Its top holding was Berkshire Hathaway Class B (BRK.B) at 36.8% of the portfolio, followed by Brookfield (BN, 10.2%) and Markel (MKL, 9.6%). Compared with Q4 2024, it opened 1 new position, sold out of 4, added to 19 and reduced 15. The biggest buy was Markel (MKL, shares +2%) and the biggest sale Google Class C (GOOG, shares −1%).

Most Recent 13F
Q2 2026
Location
COSTA MESA, CA
CIK
0001032814
Portfolio Value
$1.5B (Q1 2025)
SEC Filing
0001032814-25-000003 ↗ filed May 2, 2025

Holdings Value

0$500.0M$1.0B$1.5B$2.0B Q1 2024: $1.4B Q1 2024 Q2 2024: $1.4B Q2 2024 Q3 2024: $1.4B Q3 2024 Q4 2024: $1.5B Q4 2024 Q1 2025: $1.5B $1.5B Q1 2025 Q2 2025: $1.5B Q2 2025 Q3 2025: $1.6B Q3 2025 Q4 2025: $1.7B Q4 2025 Q1 2026: $1.6B Q1 2026 Q2 2026: $1.8B Q2 2026

Holdings 50 stocks · $1.5B
BRK.B Berkshire Hathaway Inc. Class B 36.77% 1,061,739 $565.5M Reduce -3.6%
BN Brookfield Corp. 10.20% 2,994,015 $156.9M Reduce -0.1%
MKL Markel Group Inc. 9.61% 79,086 $147.9M Add +2.5%
GOOG Google LLC Class C filed as ALPHABET INC CL C 7.44% 732,048 $114.4M Reduce -0.6%
AER Aercap Holdings NV 5.67% 853,261 $87.2M Reduce -1.1%
LKQ LKQ Corp. 4.43% 1,600,158 $68.1M Add +0.6%
SU Suncor Energy Inc. 4.26% 1,692,875 $65.5M Reduce -0.5%
FCNCA First Citizens Bcshs Class A 4.09% 33,958 $63.0M Add +1.1%
FDX FedEx Corp. 3.18% 200,622 $48.9M Add +7.3%
KMX Carmax Inc. 3.09% 609,687 $47.5M Reduce -0.5%
DIS The Walt Disney Co. filed as DISNEY WALT CO 2.81% 438,568 $43.3M Reduce -0.1%
HSY The Hershey Co. 2.09% 188,075 $32.2M Add +1.9%
SIRI Sirius XM Holdings Inc. 1.72% 1,172,344 $26.4M Add +2.3%
BRK.A Berkshire Hathaway Inc. Class A 1.42% 29 $21.9M Reduce -3.3%
Cimpress 1.06% 361,617 $16.4M Add +3.5%
AAPL Apple Inc. 0.39% 26,654 $5.9M Reduce -4.1%
W Wayfair Inc. Class A 0.35% 167,745 $5.4M Add +1.9%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.25% 90,913 $3.8M Reduce -2.3%
BH.A Biglari Holdings Inc. Class A 0.17% 2,314 $2.5M No change
MSFT Microsoft Corp. 0.15% 6,031 $2.3M Add +0.6%
TRUP Trupanion Inc. 0.10% 42,320 $1.6M Add +3.5%
AMGN Amgen Inc. 0.08% 3,795 $1.2M No change
GS Goldman Sachs Group Inc. 0.04% 1,230 $672K No change
TSLA Tesla Inc. 0.04% 2,528 $655K Add +2.0%
GE General Electric Company 0.04% 3,240 $648K Reduce -2.6%
CAT Caterpillar Inc. 0.04% 1,717 $566K No change
BAM Brookfield Asset Mgmt-A 0.04% 11,586 $561K Add +0.4%
AMZN Amazon.com Inc. 0.04% 2,943 $560K Add +1.4%
GOOGLE LLC-CL A 0.04% 3,521 $544K Add +3.2%
SPY SS SPDR S&P 500 ETF Trust-US 0.04% 965 $540K Reduce -1.3%
XT Ishar Fture Exp Tech ETF-Usd 0.03% 8,800 $507K Reduce -29.3%
RTX RTX Corp. 0.03% 3,489 $462K No change
UBER Uber Technologies Inc. 0.02% 4,990 $364K Add +42.6%
WFC Wells Fargo & Co. 0.02% 4,913 $353K No change
COP Conocophillips 0.02% 3,334 $350K No change
POWERSHARES 0.02% 717 $336K New
FAST Fastenal Co. 0.02% 3,960 $307K No change
GEV GE Vernova Inc. 0.02% 988 $302K No change
BIGLARI HLDGS INC 0.02% 1,340 $290K No change
ITW Illinois Tool Works 0.02% 1,100 $273K No change
VZ Verizon Communications Inc. 0.02% 5,805 $263K Add +0.3%
SCHG Schwab US Large-Cap Growth 0.02% 9,800 $245K No change
JPM JPMorgan Chase & Co. 0.02% 952 $233K Add +1.2%
GLW Corning Inc. 0.01% 5,050 $231K No change
NVDA Nvidia Corp. 0.01% 2,117 $229K Add +32.3%
CVX Chevron Corp. 0.01% 1,350 $226K Reduce -10.0%
DGX Quest Diagnostics Inc. 0.01% 1,300 $220K Reduce -9.4%
BA The Boeing Co. 0.01% 1,245 $212K No change
PG The Procter & Gamble Co. 0.01% 1,200 $205K No change
CDLX Cardlytics Inc. 0.01% 61,700 $112K Add +9.8%

Options reported separately and not counted above: BRK.B calls ($1.9B).

Portfolio Sells Q4 2024 → Q1 2025
GOOG Google LLC Class C Reduce -0.6% 7.44% −1.84
BN Brookfield Corp. Reduce -0.1% 10.20% −1.19
DIS The Walt Disney Co. Reduce -0.1% 2.81% −0.42
KMX Carmax Inc. Reduce -0.5% 3.09% −0.23
AAPL Apple Inc. Reduce -4.1% 0.39% −0.08
BAC Bank of America Corp. Reduce -2.3% 0.25% −0.02
XT Ishar Fture Exp Tech ETF-Usd Reduce -29.3% 0.03% −0.02
TMHC Taylor Morrison Home Corp. Sold out 0.00% −0.01
CFG Citizens Financial Group Sold out 0.00% −0.01
OKE Oneok Inc. Sold out 0.00% −0.01
SRE Sempra Sold out 0.00% −0.01
SPY SS SPDR S&P 500 ETF Trust-US Reduce -1.3% 0.04% −0.00
DGX Quest Diagnostics Inc. Reduce -9.4% 0.01% 0.00
CVX Chevron Corp. Reduce -10.0% 0.01% +0.00
GE General Electric Company Reduce -2.6% 0.04% +0.01
BRK.A Berkshire Hathaway Inc. Class A Reduce -3.3% 1.42% +0.07
AER Aercap Holdings NV Reduce -1.1% 5.67% +0.20
SU Suncor Energy Inc. Reduce -0.5% 4.26% +0.24
BRK.B Berkshire Hathaway Inc. Class B Reduce -3.6% 36.77% +3.70

Portfolio Buys Q4 2024 → Q1 2025
MKL Markel Group Inc. Add +2.5% 9.61% +0.80
LKQ LKQ Corp. Add +0.6% 4.43% +0.56
HSY The Hershey Co. Add +1.9% 2.09% +0.02
POWERSHARES New 0.02% +0.02
UBER Uber Technologies Inc. Add +42.6% 0.02% +0.01
VZ Verizon Communications Inc. Add +0.3% 0.02% +0.00
NVDA Nvidia Corp. Add +32.3% 0.01% +0.00
JPM JPMorgan Chase & Co. Add +1.2% 0.02% +0.00
BAM Brookfield Asset Mgmt-A Add +0.4% 0.04% −0.00
AMZN Amazon.com Inc. Add +1.4% 0.04% −0.01
CDLX Cardlytics Inc. Add +9.8% 0.01% −0.01
GOOGLE LLC-CL A Add +3.2% 0.04% −0.01
SIRI Sirius XM Holdings Inc. Add +2.3% 1.72% −0.01
MSFT Microsoft Corp. Add +0.6% 0.15% −0.02
TSLA Tesla Inc. Add +2.0% 0.04% −0.02
TRUP Trupanion Inc. Add +3.5% 0.10% −0.03
W Wayfair Inc. Class A Add +1.9% 0.35% −0.13
FDX FedEx Corp. Add +7.3% 3.18% −0.30
Cimpress Add +3.5% 1.06% −0.59
FCNCA First Citizens Bcshs Class A Add +1.1% 4.09% −0.61

Options Activity Q4 2024 → Q1 2025
BRK.B Berkshire Hathaway Inc. Class B call Reduce -12.9% 3,548,500 $1.9B

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026Amended 52$1.8BBRK.B, GOOG, BN, MKL, AER
Q1 2026 49$1.6BBRK.B, GOOG, BN, MKL, AER
Q4 2025 50$1.7BBRK.B, GOOG, BN, MKL, AER
Q3 2025 50$1.6BBRK.B, BN, GOOG, MKL, AER
Q2 2025 49$1.5BBRK.B, BN, MKL, GOOG, AER
Q1 2025 50$1.5BBRK.B, BN, MKL, GOOG, AER
Q4 2024 53$1.5BBRK.B, BN, GOOG, MKL, AER
Q3 2024 50$1.4BBRK.B, BN, GOOG, MKL, AER
Q2 2024 49$1.4BBRK.B, GOOG, BN, MKL, AER
Q1 2024 49$1.4BBRK.B, BN, MKL, GOOG, AER