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| Stock | Company | % Portfolio | Shares Held | Market Value | Change in Shares | % Change | Quarter End Price | Source |
|---|---|---|---|---|---|---|---|---|
| BRKB | BERKSHIRE HATHAWAY INC DEL | 22.55% | 140,600 | $38,387,000 | No Change | $273.02 | 13F | |
| AXP | AMERICAN EXPRESS CO | 17.1% | 210,000 | $29,110,000 | No Change | $138.62 | 13F | |
| BAC | BK OF AMERICA CORP | 14.04% | 767,845 | $23,903,000 | No Change | $31.13 | 13F | |
| MA | MASTERCARD INCORPORATED | 12.19% | 65,750 | $20,743,000 | No Change | $315.48 | 13F | |
| RACE | FERRARI N V | 8.63% | 80,000 | $14,694,000 | No Change | $183.68 | 13F | |
| BRKA | BERKSHIRE HATHAWAY INC DEL | 7.21% | 30 | $12,269,000 | No Change | $408967 | 13F | |
| MU | MICRON TECHNOLOGY INC | 6.49% | 200,000 | $11,056,000 | No Change | $55.28 | 13F | |
| MCO | MOODYS CORP | 4.31% | 27,000 | $7,343,000 | No Change | $271.96 | 13F | |
| BABA | ALIBABA GROUP HLDG LTD | 3.17% | 47,500 | $5,400,000 | No Change | $113.68 | 13F | |
| DJCO | DAILY JOURNAL CORP | 1.75% | 11,500 | $2,976,000 | No Change | $258.78 | 13F | |
| SRG | SERITAGE GROWTH PPTYS | 1.53% | 500,000 | $2,605,000 | No Change | $5.21 | 13F | |
| GOOGL | ALPHABET INC | 1.02% | 800 | $1,743,000 | No Change | $2178.75 | 13F | |
| TWTR | TWITTER INC | -30,000 | Exited | 13F |