 BERKSHIRE HATHAWAY INC DELBRK.B |
| 22.55% | 22.49% | $38.4M | 140,600 | $49.6M | 140,600 | 00.00% | Unchanged |
 AMERICAN EXPRESS COAXP |
| 17.1% | 17.8% | $29.1M | 210,000 | $39.3M | 210,000 | 00.00% | Unchanged |
| BBANK OF AMER CORPBAC |
| 14.04% | 14.34% | $23.9M | 767,845 | $31.7M | 767,845 | 00.00% | Unchanged |
 MASTERCARD INCORPORATEDMA |
| 12.19% | 10.65% | $20.7M | 65,750 | $23.5M | 65,750 | 00.00% | Unchanged |
 FERRARI N V COMRACE |
| 8.63% | 7.97% | $14.7M | 80,000 | $17.6M | 80,000 | 00.00% | Unchanged |
 BERKSHIRE HATHAWAY INC CL ABRK.A |
| 7.21% | 7.19% | $12.3M | 30 | $15.9M | 30 | 00.00% | Unchanged |
 MICRON TECHNOLOGY INCMU |
| 6.49% | 7.06% | $11.1M | 200,000 | $15.6M | 200,000 | 00.00% | Unchanged |
 MOODYS CORPMCO |
| 4.31% | 4.13% | $7.3M | 27,000 | $9.1M | 27,000 | 00.00% | Unchanged |
 ALIBABA GROUP HLDG LTDBABA |
| 3.17% | 2.34% | $5.4M | 47,500 | $5.2M | 47,500 | 00.00% | Unchanged |
 DAILY JOURNAL CORPDJCO |
| 1.75% | 1.63% | $3.0M | 11,500 | $3.6M | 11,500 | 00.00% | Unchanged |
| SSeritage Growth PropertiesSRG |
| 1.53% | 2.87% | $2.6M | 500,000 | $6.3M | 500,000 | 00.00% | Unchanged |
 ALPHABET INCGOOGL |
| 1.02% | 1.01% | $1.7M | 800 | $2.2M | 800 | 00.00% | Unchanged |
