| Daily Journal Corp. | 54.88% | 1,591,800 | $88,249 |
| Berkshire Hathaway | 12.81% | 452,013,758 | $25,059,643 |
| Raffles Associates | 5.12% | 106,300 | $5,893 |
| Gardner Russo & Gardner | 4.97% | 12,273,777 | $680,458 |
| Aquamarine Capital Management | 3.00% | 115,000 | $6,376 |
| Lafayette Investments | 2.69% | 132,587 | $7,351 |
| Giverny Capital | 2.46% | 341,577 | $18,937 |
| Weitz Investment Management | 1.28% | 541,196 | $30,004 |
| Soros Fund Management | 0.84% | 949,674 | $52,650 |
| Avenir Corp | 0.24% | 37,604 | $2,085 |
| Lincoln Capital | 0.19% | 6,205 | $352 |
| Markel Corporation | 0.01% | 12,000 | $665 |
| Horizon Kinetics, LLC | 0.01% | 8,268 | $458 |
| Punch Card Capital, L.P. | 0.00% | 38 | $2 |