Check Capital Management Inc/Ca
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$3.44B
Q ending 2026-03-31
Prior quarter
$3.44B
Q ending 2025-12-31
Change
+0.0% QoQ · +0.2% YoY
Positions
50
reported holdings
Largest positions
All 50 reported positions, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Berkshire Hathaway | BRK/B | Call | $1.81B | 3.8M |
| Berkshire Hathaway | BRK/B | Shares | $531.1M | 1.1M |
| Alphabet | Shares | $198.0M | 690K | |
| Brookfield Corp. | BN | Shares | $177.3M | 4.4M |
| Markel | MKL | Shares | $147.2M | 77K |
| Aercap Holdings | Shares | $112.2M | 818K | |
| First Citizens | FCNCA | Shares | $83.1M | 44K |
| Sirius Xm | SIRI | Shares | $67.9M | 2.9M |
| Lkq Corp | LKQ | Shares | $56.3M | 1.9M |
| Amazon | AMZN | Shares | $42.5M | 204K |
| Disney (Walt) | DIS | Shares | $42.3M | 439K |
| Hershey Foods | HSY | Shares | $40.0M | 192K |
| Cimpress | Shares | $34.4M | 471K | |
| Jefferies | Shares | $28.1M | 680K | |
| Berkshire Hathaway 'A' | BRK/A | Shares | $20.8M | 29 |
| Wayfair | Shares | $12.6M | 168K | |
| Apple | AAPL | Shares | $5.9M | 23K |
| Biglari Cl A | Shares | $2.7M | 2K | |
| Microsoft | MSFT | Shares | $2.3M | 6K |
| Amgen | AMGN | Shares | $1.4M | 4K |
| Caterpillar Tractor | CAT | Shares | $1.2M | 2K |
| Alphabet Class A | Shares | $1.1M | 4K | |
| Trupanion Inc. | TRUP | Shares | $1.0M | 41K |
| Goldman Sachs | Shares | $1.0M | 1K | |
| Tesla Motors | Shares | $929K | 3K | |
| General Electric | Shares | $848K | 3K | |
| Ge Vernova | GEV | Shares | $786K | 901 |
| Corning | GLW | Shares | $687K | 5K |
| Raytheon Technologies | RTX | Shares | $673K | 3K |
| Spdr S&P 500 | Shares | $628K | 965 | |
| Ishares Exponential Technologi | XT | Shares | $600K | 9K |
| Bank Of America | BAC | Shares | $587K | 12K |
| Brookfield Asset Management | BAM | Shares | $576K | 13K |
| Fairfax Finl Hldgs | FRFHF | Shares | $372K | 219 |
| Nvidia | Shares | $369K | 2K | |
| Fastenal | FAST | Shares | $367K | 8K |
| Fedex | Shares | $354K | 993 | |
| Wells Fargo | WFC | Shares | $351K | 4K |
| Uber | UBER | Shares | $350K | 5K |
| Conocophillips | Shares | $334K | 3K | |
| Unitedhealth | Shares | $333K | 1K | |
| Biglari Holdings | Shares | $319K | 967 | |
| Boeing Co | BA | Shares | $288K | 1K |
| Illinois Tool Works | ITW | Shares | $286K | 1K |
| Schwab Us Large Cap Growth | SCHG | Shares | $285K | 10K |
| Jpmorgan Chase | Shares | $281K | 956 | |
| Chevron | CVX | Shares | $279K | 1K |
| Quest Diagnostics | Shares | $255K | 1K | |
| Verizon | Shares | $241K | 5K | |
| Citizens Financial Group | CFG | Shares | $228K | 4K |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.