13F HOLDINGS REPORT
Aquamarine Zurich AG
Quarter ended Q4 2025 · Filed January 15, 2026 · Accession 0001953324-26-000001
Total Value
$147,543
Positions
7
Other Managers
0
Confidential Omitted
No
Holdings (7)
| # | Issuer | Ticker / CUSIP | Shares | Value | % of Filing |
|---|---|---|---|---|---|
| 1 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 97,600 | $49,059 | 33.25% |
| 2 | AMERICAN EXPRESS CO | AXP | 65,000 | $24,047 | 16.30% |
| 3 | MASTERCARD INCORPORATED | MA | 40,000 | $22,835 | 15.48% |
| 4 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 30 | $22,644 | 15.35% |
| 5 | MOODYS CORP | MCO | 27,000 | $13,793 | 9.35% |
| 6 | FERRARI N V | RACE | 30,000 | $9,561 | 6.48% |
| 7 | DAILY JOURNAL CORP | DJCO | 11,500 | $5,604 | 3.80% |