13F HOLDINGS REPORT
Aquamarine Zurich AG
Quarter ended Q3 2025 · Filed October 20, 2025 · Accession 0001953324-25-000007
Total Value
$317,370
Positions
14
Other Managers
0
Confidential Omitted
No
Holdings (14)
| # | Issuer | Ticker / CUSIP | Shares | Value | % of Filing |
|---|---|---|---|---|---|
| 1 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 140,600 | $70,685 | 22.27% |
| 2 | AMERICAN EXPRESS CO | AXP | 210,000 | $69,754 | 21.98% |
| 3 | BANK AMERICA CORP | 060505104 | 767,845 | $39,613 | 12.48% |
| 4 | MASTERCARD INCORPORATED | MA | 65,750 | $37,399 | 11.78% |
| 5 | FERRARI N V | RACE | 60,000 | $28,978 | 9.13% |
| 6 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 30 | $22,626 | 7.13% |
| 7 | MICRON TECHNOLOGY INC | MU | 80,000 | $13,386 | 4.22% |
| 8 | MOODYS CORP | MCO | 27,000 | $12,865 | 4.05% |
| 9 | ALIBABA GROUP HLDG LTD | BBAAY | 47,500 | $8,490 | 2.68% |
| 10 | DAILY JOURNAL CORP | DJCO | 11,500 | $5,349 | 1.69% |
| 11 | ALPHABET INC | GOOG | 16,000 | $3,890 | 1.23% |
| 12 | SERITAGE GROWTH PPTYS | 81752R100 | 500,000 | $2,125 | 0.67% |
| 13 | ALPHA METALLURGICAL RESOUR I | 020764106 | 8,000 | $1,313 | 0.41% |
| 14 | CORE NATURAL RESOURCES INC | CNR | 10,740 | $897 | 0.28% |