Check Capital Management Inc reported 11 positions worth $1.18B for the quarter ended Sep 30, 2026, up 1.4% on the prior quarter. It opened 0 new positions, added to 4, trimmed 6 and exited 20. Its largest holding is Berkshire Hathaway Inc at 46.4% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| DIS Walt Disney Co | -446.0K | -99.1% | $46.78M | 0.037% |
| AAPL Apple Inc. | -23.4K | -100.0% | $6.78M | Exited |
| MSFT Microsoft Corp | -6,229 | -100.0% | $2.32M | Exited |
| CAT Caterpillar Inc | -1,717 | -100.0% | $1.83M | Exited |
| AMGN Amgen Inc | -3,885 | -100.0% | $1.41M | Exited |
| GLW Corning Inc | -5,050 | -100.0% | $1.29M | Exited |
| FCNCA First Citizens Bancshares Inc | -606 | -1.4% | $1.25M | 7.64% |
| LKQ Lkq Corp | -53.8K | -2.9% | $1.23M | 3.55% |
| GE General Electric Co | -2,990 | -100.0% | $1.12M | Exited |
| GEV GE Vernova Inc. | -901 | -100.0% | $1.06M | Exited |
No new positions this quarter.
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| AAPL Apple Inc. | -23.4K | $6.78M | 0.583% |
| MSFT Microsoft Corp | -6,229 | $2.32M | 0.2% |
| CAT Caterpillar Inc | -1,717 | $1.83M | 0.157% |
| AMGN Amgen Inc | -3,885 | $1.41M | 0.121% |
| GLW Corning Inc | -5,050 | $1.29M | 0.111% |
| GE General Electric Co | -2,990 | $1.12M | 0.096% |
| GEV GE Vernova Inc. | -901 | $1.06M | 0.091% |
| TRUP Trupanion, Inc. | -40.1K | $992.66K | 0.085% |
| BAC Bank Of America Corp | -12.0K | $685.91K | 0.059% |
| RTX RTX Corp | -3,489 | $661.97K | 0.057% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | BRK-B Berkshire Hathaway Inc | Financial Services | 1.10M | $546.63M | 46.36% | +261.4K | +31.3% | Added | 0.08% |
| 2 | BN BROOKFIELD Corp | Financial Services | 4.85M | $177.00M | 15.01% | +451.7K | +10.3% | Added | 0.22% |
| 3 | MKL Markel Group Inc. | Financial Services | 82.1K | $140.67M | 11.93% | +2,939 | +3.7% | Added | 0.66% |
| 4 | FCNCA First Citizens Bancshares Inc | Financial Services | 43.7K | $90.13M | 7.64% | -606 | -1.4% | Reduced | 0.42% |
| 5 | SIRI Sirius Xm Holdings Inc. | Communication Services | 2.89M | $74.77M | 6.34% | -38.6K | -1.3% | Reduced | 0.86% |
| 6 | AMZN Amazon Com Inc | Consumer Discretionary | 204.8K | $51.03M | 4.33% | -1,255 | -0.6% | Reduced | 0% |
| 7 | LKQ Lkq Corp | Consumer Discretionary | 1.83M | $41.84M | 3.55% | -53.8K | -2.9% | Reduced | 0.72% |
| 8 | HSY Hershey Co | Consumer Staples | 203.0K | $31.99M | 2.71% | -2,296 | -1.1% | Reduced | 0.1% |
| 9 | BRK-A Berkshire Hathaway Inc | Financial Services | 28 | $20.92M | 1.77% | 0 | 0.0% | Unchanged | 0.01% |
| 10 | FRFHF Fairfax Financial Holdings Ltd/ Can | Financial Services | 2,325 | $3.63M | 0.308% | +346 | +17.5% | Added | 0.01% |
| 11 | DIS Walt Disney Co | Communication Services | 4,212 | $441.84K | 0.037% | -446.0K | -99.1% | Reduced | 0% |
Tip. Select a row to see that position’s full history at Check Capital Management.
As of its Q3 2026 13F filing, Check Capital Management Inc’s five largest positions were Berkshire Hathaway Inc (BRK-B) at 46.4%, BROOKFIELD Corp (BN) at 15.0%, Markel Group Inc. (MKL) at 11.9%, First Citizens Bancshares Inc (FCNCA) at 7.6%, Sirius Xm Holdings Inc. (SIRI) at 6.3% of the reported portfolio.
Check Capital Management Inc reported a 13F portfolio worth $1.18B across 11 positions for Q3 2026. That is up 1.4% from the previous quarter.
Its largest purchases by value were Berkshire Hathaway Inc ($130.16M), BROOKFIELD Corp ($16.47M), Markel Group Inc. ($5.03M). It opened 0 new positions.
Its largest sales by value were Walt Disney Co ($46.78M), Apple Inc. ($6.78M), Microsoft Corp ($2.32M). It exited 20 positions entirely.
From the Form 13F-HR reports Check Capital Management Inc files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.