Check Capital Management Inc/Ca Portfolio Shifts in Q3 2026

As of June 30th, 2026, Check Capital Management Inc/Ca managed a substantial portfolio valued at approximately $1.16 billion.

The investment strategy appears focused on the Financial Services sector, which currently accounts for about 75.65% of the total portfolio value ($880 million). Within this allocation, significant changes were noted in holdings like Berkshire Hathaway (BRK-B), Brookfield Corp. (BN), and Markel (MKL).

Several major holdings saw reductions during this period:

• Berkshire Hathaway (BRK-B): The largest position, representing about 25.73% of the portfolio ($418 million), decreased by a significant 24.54%. This translates to selling approximately 272,000 shares.
• LKQ Corp (LKQ): A key Consumer Cyclical holding at $36 million (-1.6%) saw a reduction of about 30,700 shares.
• Brookfield Corp. (BN): Down by 0.53% ($2 million) or roughly 4,900 shares from its $187 million position (~11.53%).
• Sirius XM (SIRI): A Consumer Discretionary holding at $86 million (-0.5%) decreased by about 4,900 shares.
• Hershey Foods (HSY): Despite a small increase of just 6.74% ($3.6 million) or around 12,962 shares in its $360 million position (~2.21%), the overall allocation percentage decreased slightly.

Conversely, Check Capital Management Inc/Ca also initiated new positions and increased existing ones:

• Brookfield Corp. (BN): Increased by a substantial 0.53% ($2 million) or about 4,900 shares.
• Markel (MKL): A new holding at $154 million (~9.51%) increased by just over 3% ($4.6 million) or about 2,300 shares.
• Amazon (AMZN): A Consumer Cyclical holding at $49 million (~3.02%) increased by a modest 0.97% ($19,600) or about 500 shares.

Furthermore, the firm added several smaller holdings during this quarter:

• Hudbay Minerals (HBM): A Basic Materials holding at $0.23 million (~0.01%) increased by a staggering 100% ($135,683) or about 9,940 shares.
• Schwab US Small Cap ETF (SCHA): An Unknown sector holding at $202 thousand (~0.01%) increased by a massive 100% ($5,600) or about 5600 shares.

The portfolio also saw minor adjustments in other sectors:

• Trupanion Inc. (TRUP): A Financial Services holding at $0.99 million (~0.06%) decreased slightly by about 1.52% ($630) or around 4,000 shares.
• Lam Research (LRCX): A Technology holding at $217 thousand (~0.01%) increased by a huge 100% ($5,600) or about 500 shares.

Overall, Check Capital Management Inc/Ca's portfolio allocation and specific holdings changed significantly during this quarter, reflecting both strategic exits from large positions and the initiation of new investments across various sectors including Financial Services, Markel, and smaller additions like Hudbay Minerals.