Institutions / Check Capital Management INC/CA
Check Capital Management INC/CA
CIK 1032814 · Institution · as of Mar 31, 2026
Portfolio value
$1.62B
Positions
49
As of
Mar 31, 2026
Portfolio trend
Portfolio value
$1.62B-3.0%Positions
49-2.0%Top holdings
Mar 31, 2026View all 49 →
| Company | Value | % of portfolio |
|---|---|---|
| Warren E. Buffett | $531.14M | 32.7% |
| Alphabet | $198.05M | 12.2% |
| Brookfield Corp. | $177.26M | 10.9% |
| Markel Group Inc | $147.17M | 9.1% |
| AerCap Holdings | $112.17M | 6.9% |
| First Citizens Bancshares Inc /De | $83.05M | 5.1% |
| Sirius XM Holdings Inc | $67.92M | 4.2% |
| LKQ Corp | $56.31M | 3.5% |
| Amazon.com Inc | $42.51M | 2.6% |
| Walt Disney Co | $42.27M | 2.6% |
| Hershey Co | $39.98M | 2.5% |
| Cimpress | $34.42M | 2.1% |
| Jefferies | $28.07M | 1.7% |
| Berkshire Hathaway 'A' | $20.83M | 1.3% |
| Wayfair | $12.63M | 0.8% |
| Apple Inc. | $5.86M | 0.4% |
| Biglari Cl A | $2.75M | 0.2% |
| Microsoft Corp | $2.25M | 0.1% |
| Amgen Inc | $1.37M | 0.1% |
| Caterpillar Inc | $1.22M | 0.1% |
| Alphabet Class A | $1.06M | 0.1% |
| Trupanion, Inc. | $1.04M | 0.1% |
| Goldman Sachs | $1.04M | 0.1% |
| Tesla Motors | $929.4K | 0.1% |
| General Electric | $848.5K | 0.1% |
Activity
Mar 31, 2026View full history →
InsidersInstitutions
This fund's 13F position changes — what it's buying and selling.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Q1 2026 as of | Add | Amazon.com Inc | $41.78M | +201K +5762.88% | 204,087 2.62% of portfolio | medium |
| Q1 2026 as of | Add | LKQ Corp | $10.53M | +359K +23.01% | 1,917,106 3.47% of portfolio | medium |
| Q1 2026 as of | Add | 47233w109 | $9.40M | +228K +50.32% | 680,171 1.73% of portfolio | medium |
| Q1 2026 as of | Add | 045290255 | $4.73M | +65K +15.95% | 471,466 2.12% of portfolio | low |
| Q1 2026 as of | Trim | 38259p706 | $-3.79M | -13K -1.88% | 690,399 12.21% of portfolio | low |
| Q1 2026 as of | Trim | Bank of America Corp /De | $-3.30M | -68K -84.91% | 12,032 0.04% of portfolio | low |
| Q1 2026 as of | Add | Warren E. Buffett | $2.82M | +6K +0.53% | 1,108,390 32.75% of portfolio | low |
| Q1 2026 as of | Add | First Citizens Bancshares Inc /De | $2.41M | +1K +2.99% | 44,068 5.12% of portfolio | low |
| Q1 2026 as of | Add | Sirius XM Holdings Inc | $1.36M | +59K +2.05% | 2,942,595 4.19% of portfolio | low |
| Q1 2026 as of | Trim | n00985106 | $-1.33M | -10K -1.17% | 817,655 6.92% of portfolio | low |