Check Capital Management Inc. In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 5, 2026), Check Capital Management Inc. reported 52 stock positions worth $1.8 billion . Its top holding was Berkshire Hathaway Class B (BRK.B) at 31.7% of the portfolio, followed by Google Class C (GOOG, 13.3% ) and Brookfield (BN, 10.6% ). Compared with Q1 2026, it opened 5 new positions, sold out of 2, added to 19 and reduced 11. The biggest buy was Cimpress (shares +0% ) and the biggest sale LKQ (LKQ, shares −2% ).
Location COSTA MESA, CA
CIK 0001032814
Portfolio Value $1.8B (Q2 2026) Holdings 52 stocks · $1.8B 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 Q1 2026 BRK.B Berkshire Hathaway Inc. Class B 1,119,075 $560.0M Add +1.0% GOOG Google LLC Class C filed as ALPHABET INC CL C 667,772 $235.9M Reduce -3.3% BN Brookfield Corp. 4,409,171 $187.8M Add +0.7% MKL Markel Group Inc. 79,209 $154.7M Add +3.0% AER Aercap Holdings NV 807,867 $117.8M Reduce -1.2% FCNCA First Citizens Bcshs Class A 44,355 $92.3M Add +0.7% SIRI Sirius XM Holdings Inc. 2,927,799 $86.5M Reduce -0.5% LKQ LKQ Corp. 1,886,416 $49.7M Reduce -1.6% AMZN Amazon.com Inc. 206,057 $49.1M Add +1.0% Cimpress 472,485 $48.1M Add +0.2% DIS The Walt Disney Co. filed as DISNEY WALT CO 450,174 $43.3M Add +2.6% HSY The Hershey Co. 205,272 $36.0M Add +6.7% JEF Jefferies Financial Group Inc. 685,910 $34.3M Add +0.8% BRK.A Berkshire Hathaway Inc. Class A 28 $21.0M Reduce -3.5% W Wayfair Inc. Class A 169,025 $15.6M Add +0.6% AAPL Apple Inc. 23,439 $6.8M Add +1.6% BH.A Biglari Holdings Inc. Class A 1,562 $3.3M Reduce -1.0% FRFHF Fairfax Financial Hldgs Ltd. 1,979 $3.3M Add +803.6% MSFT Microsoft Corp. 6,229 $2.3M Add +2.5% CAT Caterpillar Inc. 1,717 $1.8M No change AMGN Amgen Inc. 3,885 $1.4M No change GOOGLE LLC-CL A 3,683 $1.3M No change GLW Corning Inc. 5,050 $1.3M No change GS Goldman Sachs Group Inc. 1,230 $1.2M No change GE General Electric Company filed as GE Aerospace 2,990 $1.1M No change GEV GE Vernova Inc. 901 $1.1M No change TRUP Trupanion Inc. 40,075 $993K Reduce -1.5% TSLA Tesla Inc. 2,350 $988K Reduce -6.0% XT Ishar Fture Exp Tech ETF-Usd 8,800 $727K No change SPY SS SPDR S&P 500 ETF Trust-US 965 $721K No change BAC Bank of America Corp. 12,038 $686K Add +0.1% RTX RTX Corp. 3,489 $662K No change NVDA Nvidia Corp. 3,077 $616K Add +45.4% BAM Brookfield Asset Mgmt-A 13,129 $589K Add +1.4% UNH Unitedhealth Group Inc. 1,122 $466K Reduce -8.9% BIGLARI HLDGS INC 967 $412K No change FAST Fastenal Co. 7,920 $380K No change WFC Wells Fargo & Co. 4,483 $370K Add +1.6% UBER Uber Technologies Inc. 4,865 $351K Add +0.1% SCHG Schwab US Large-Cap Growth 9,800 $332K No change JPM JPMorgan Chase & Co. 957 $313K Add +0.1% BA The Boeing Co. 1,445 $313K No change FDX FedEx Corp. 961 $301K Reduce -3.2% ITW Illinois Tool Works 1,100 $298K No change DGX Quest Diagnostics Inc. 1,300 $276K No change CFG Citizens Financial Group 3,800 $266K No change FCX Freeport-McMoran Inc. 3,881 $244K New HBM Hudbay Minerals Inc. 9,940 $235K New LRCX Lam Research Corp. 500 $217K New TGB Trekor Metals Ltd. 31,350 $216K New CVX Chevron Corp. 1,250 $207K Reduce -7.4% SCHA Schwab US Small-Cap ETF 5,600 $202K New
Options reported separately and not counted above: BRK.B calls ($2.0B).
Portfolio Sells Q1 2026 → Q2 2026 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 Q1 2026 % Of Portfolio Change To Portfolio ▲ LKQ LKQ Corp. Reduce -1.6% 2.81% −0.66 AER Aercap Holdings NV Reduce -1.2% 6.66% −0.26 BRK.A Berkshire Hathaway Inc. Class A Reduce -3.5% 1.19% −0.10 COP Conocophillips Sold out 0.00% −0.02 VZ Verizon Communications Inc. Sold out 0.00% −0.01 TRUP Trupanion Inc. Reduce -1.5% 0.06% −0.01 CVX Chevron Corp. Reduce -7.4% 0.01% −0.01 FDX FedEx Corp. Reduce -3.2% 0.02% −0.00 TSLA Tesla Inc. Reduce -6.0% 0.06% −0.00 UNH Unitedhealth Group Inc. Reduce -8.9% 0.03% +0.01 BH.A Biglari Holdings Inc. Class A Reduce -1.0% 0.19% +0.02 SIRI Sirius XM Holdings Inc. Reduce -0.5% 4.89% +0.70 GOOG Google LLC Class C Reduce -3.3% 13.34% +1.13
Portfolio Buys Q1 2026 → Q2 2026 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 Q1 2026 % Of Portfolio Change To Portfolio ▼ Cimpress Add +0.2% 2.72% +0.60 JEF Jefferies Financial Group Inc. Add +0.8% 1.94% +0.21 FRFHF Fairfax Financial Hldgs Ltd. Add +803.6% 0.18% +0.16 AMZN Amazon.com Inc. Add +1.0% 2.78% +0.16 W Wayfair Inc. Class A Add +0.6% 0.88% +0.10 FCNCA First Citizens Bcshs Class A Add +0.7% 5.22% +0.10 AAPL Apple Inc. Add +1.6% 0.38% +0.02 FCX Freeport-McMoran Inc. New 0.01% +0.01 HBM Hudbay Minerals Inc. New 0.01% +0.01 LRCX Lam Research Corp. New 0.01% +0.01 TGB Trekor Metals Ltd. New 0.01% +0.01 NVDA Nvidia Corp. Add +45.4% 0.03% +0.01 SCHA Schwab US Small-Cap ETF New 0.01% +0.01 BAC Bank of America Corp. Add +0.1% 0.04% +0.00 JPM JPMorgan Chase & Co. Add +0.1% 0.02% +0.00 WFC Wells Fargo & Co. Add +1.6% 0.02% −0.00 UBER Uber Technologies Inc. Add +0.1% 0.02% −0.00 BAM Brookfield Asset Mgmt-A Add +1.4% 0.03% −0.00 MSFT Microsoft Corp. Add +2.5% 0.13% −0.01 DIS The Walt Disney Co. Add +2.6% 2.45% −0.16 BN Brookfield Corp. Add +0.7% 10.62% −0.31 MKL Markel Group Inc. Add +3.0% 8.75% −0.33 HSY The Hershey Co. Add +6.7% 2.04% −0.43 BRK.B Berkshire Hathaway Inc. Class B Add +1.0% 31.67% −1.08
Options Activity Q1 2026 → Q2 2026 Security Type Change vs Q1 2026 Underlying Shares Value ▼ BRK.B Berkshire Hathaway Inc. Class B call Add +6.1% 4,017,400 $2.0B
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