Check Capital Management Inc. In its 13F for Q1 2024 (holdings as of March 31, 2024, filed April 19, 2024), Check Capital Management Inc. reported 49 stock positions worth $1.4 billion . Its top holding was Berkshire Hathaway Class B (BRK.B) at 37.1% of the portfolio, followed by Brookfield (BN, 9.3% ) and Markel (MKL, 8.6% ). Compared with Q4 2023, it opened 5 new positions, sold out of 1, added to 11 and reduced 15. The biggest buy was a new position in Hershey (HSY) and the biggest sale Berkshire Hathaway Class B (BRK.B, shares −14% ).
Location COSTA MESA, CA
CIK 0001032814
Portfolio Value $1.4B (Q1 2024) Holdings 49 stocks · $1.4B Holdings quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock % Of Portfolio ▼ Shares Held Total Value Change vs Q4 2023 BRK.B Berkshire Hathaway Inc. Class B 1,203,380 $506.0M Reduce -13.7% BN Brookfield Corp. 3,037,695 $127.2M Add +0.4% MKL Markel Group Inc. 77,207 $117.5M Add +1.5% GOOG Google LLC Class C filed as ALPHABET INC CL C 767,888 $116.9M Add +1.0% AER Aercap Holdings NV 871,891 $75.8M Reduce -0.9% LKQ LKQ Corp. 1,234,577 $65.9M Add +0.1% SU Suncor Energy Inc. 1,721,025 $63.5M Reduce -1.6% FDX FedEx Corp. 188,037 $54.5M Reduce -0.4% KMX Carmax Inc. 612,181 $53.3M Add +0.5% FCNCA First Citizens Bcshs Class A 27,801 $45.5M Add +2.0% Cimpress 337,552 $29.9M Add +0.3% HSY The Hershey Co. 128,588 $25.0M New BRK.A Berkshire Hathaway Inc. Class A 30 $19.0M Reduce -23.1% DGX Quest Diagnostics Inc. 135,445 $18.0M Reduce -9.2% W Wayfair Inc. Class A 162,721 $11.0M Add +9.7% LSXMK Liberty Media Corp.-Liber-New 200,832 $6.0M New AAPL Apple Inc. 32,384 $5.6M Reduce -4.2% BAC Bank of America Corp. filed as BANK AMERICA CORP 135,408 $5.1M Reduce -1.2% MSFT Microsoft Corp. 5,744 $2.4M Reduce -1.7% BAM Brookfield Asset Mgmt-A 53,783 $2.3M Reduce -0.3% BH.A Biglari Holdings Inc. Class A 2,394 $2.2M Add +1.9% AMGN Amgen Inc. 3,720 $1.1M No change TRUP Trupanion Inc. 32,355 $893K Add +34.8% XT Ishar Fture Exp Tech ETF-Usd 12,450 $742K No change CDLX Cardlytics Inc. 42,475 $615K Add +83.1% CAT Caterpillar Inc. 1,617 $593K Reduce -5.8% GE General Electric Company 3,327 $584K No change GS Goldman Sachs Group Inc. 1,230 $514K No change GOOGLE LLC-CL A filed as ALPHABET A 3,370 $509K No change SPY SS SPDR S&P 500 ETF Trust-US 965 $505K No change AMZN Amazon.com Inc. 2,520 $455K No change TSLA Tesla Inc. 2,478 $436K No change COP Conocophillips 3,404 $433K No change DIS The Walt Disney Co. filed as DISNEY WALT CO 3,360 $411K No change MATX Matson Inc. 3,396 $382K Reduce -8.7% UBER Uber Technologies Inc. 4,500 $346K Reduce -4.3% RTX RTX Corp. 3,489 $340K No change VZ Verizon Communications Inc. 7,400 $311K Reduce -18.2% FAST Fastenal Co. 3,960 $305K No change ITW Illinois Tool Works 1,100 $295K No change WFC Wells Fargo & Co. 5,063 $293K Reduce -26.2% SRE Sempra 3,799 $273K No change BIGLARI HLDGS INC 1,275 $242K New TSN Tyson Foods Inc. Class A 4,050 $238K No change CVX Chevron Corp. 1,500 $237K No change SCHG Schwab US Large-Cap Growth 2,450 $227K No change TMHC Taylor Morrison Home Corp. 3,400 $211K New PG The Procter & Gamble Co. 1,300 $211K New MTRBF Metro Bank Holdings PLC 32,500 $13K No change
Options reported separately and not counted above: BRK.B calls ($1.7B).
Portfolio Sells Q4 2023 → Q1 2024 Portfolio Sells quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q4 2023 % Of Portfolio Change To Portfolio ▲ BRK.B Berkshire Hathaway Inc. Class B Reduce -13.7% 37.09% −2.61 DGX Quest Diagnostics Inc. Reduce -9.2% 1.32% −0.32 BRK.A Berkshire Hathaway Inc. Class A Reduce -23.1% 1.40% −0.29 AAPL Apple Inc. Reduce -4.2% 0.41% −0.11 BA The Boeing Co. Sold out 0.00% −0.02 BAM Brookfield Asset Mgmt-A Reduce -0.3% 0.17% −0.01 WFC Wells Fargo & Co. Reduce -26.2% 0.02% −0.01 MATX Matson Inc. Reduce -8.7% 0.03% −0.00 VZ Verizon Communications Inc. Reduce -18.2% 0.02% −0.00 MSFT Microsoft Corp. Reduce -1.7% 0.18% +0.00 UBER Uber Technologies Inc. Reduce -4.3% 0.03% +0.00 CAT Caterpillar Inc. Reduce -5.8% 0.04% +0.00 BAC Bank of America Corp. Reduce -1.2% 0.38% +0.01 FDX FedEx Corp. Reduce -0.4% 3.99% +0.18 SU Suncor Energy Inc. Reduce -1.6% 4.66% +0.18 AER Aercap Holdings NV Reduce -0.9% 5.55% +0.34
Portfolio Buys Q4 2023 → Q1 2024 Portfolio Buys quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q4 2023 % Of Portfolio Change To Portfolio ▼ HSY The Hershey Co. New 1.83% +1.83 LSXMK Liberty Media Corp.-Liber-New New 0.44% +0.44 FCNCA First Citizens Bcshs Class A Add +2.0% 3.33% +0.24 KMX Carmax Inc. Add +0.5% 3.91% +0.18 LKQ LKQ Corp. Add +0.1% 4.83% +0.13 W Wayfair Inc. Class A Add +9.7% 0.81% +0.08 Cimpress Add +0.3% 2.19% +0.04 CDLX Cardlytics Inc. Add +83.1% 0.05% +0.03 BIGLARI HLDGS INC New 0.02% +0.02 GOOG Google LLC Class C Add +1.0% 8.57% +0.02 PG The Procter & Gamble Co. New 0.02% +0.02 TMHC Taylor Morrison Home Corp. New 0.02% +0.02 BH.A Biglari Holdings Inc. Class A Add +1.9% 0.16% +0.01 TRUP Trupanion Inc. Add +34.8% 0.07% +0.01 MKL Markel Group Inc. Add +1.5% 8.61% −0.01 BN Brookfield Corp. Add +0.4% 9.32% −0.37
Options Activity Q4 2023 → Q1 2024 Security Type Change vs Q4 2023 Underlying Shares Value ▼ BRK.B Berkshire Hathaway Inc. Class B call Reduce -3.3% 3,991,500 $1.7B
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings Quarter Positions 13F Reported Value Top Holdings Q2 2026 Amended 52 $1.8B BRK.B, GOOG, BN, MKL, AER Q1 2026 49 $1.6B BRK.B, GOOG, BN, MKL, AER Q4 2025 50 $1.7B BRK.B, GOOG, BN, MKL, AER Q3 2025 50 $1.6B BRK.B, BN, GOOG, MKL, AER Q2 2025 49 $1.5B BRK.B, BN, MKL, GOOG, AER Q1 2025 50 $1.5B BRK.B, BN, MKL, GOOG, AER Q4 2024 53 $1.5B BRK.B, BN, GOOG, MKL, AER Q3 2024 50 $1.4B BRK.B, BN, GOOG, MKL, AER Q2 2024 49 $1.4B BRK.B, GOOG, BN, MKL, AER Q1 2024 49 $1.4B BRK.B, BN, MKL, GOOG, AER