Q1 2025 · 13F-HR
Aquamarine Zurich AGholdings as filed
Filed 2025-04-11 · accession 0001953324-25-000003
$293,674
Reported value
14
Positions
2025-03-31
Period end
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 084670702 | BRK/B | BERKSHIRE HATHAWAY INC DEL | $74,881 | 25.5% | 140,600 | Common | SOLE |
| 025816109 | AXP | AMERICAN EXPRESS CO | $56,501 | 19.2% | 210,000 | Common | SOLE |
| 57636Q104 | MA | MASTERCARD INCORPORATED | $36,039 | 12.3% | 65,750 | Common | SOLE |
| 060505104 | BAC | BANK AMERICA CORP | $32,042 | 10.9% | 767,845 | Common | SOLE |
| 084670108 | BRK/A | BERKSHIRE HATHAWAY INC DEL | $23,953 | 8.16% | 30 | Common | SOLE |
| N3167Y103 | RACE | FERRARI N V | $23,532 | 8.01% | 60,000 | Common | SOLE |
| 595112103 | MU | MICRON TECHNOLOGY INC | $17,378 | 5.92% | 200,000 | Common | SOLE |
| 615369105 | MCO | MOODYS CORP | $12,574 | 4.28% | 27,000 | Common | SOLE |
| 01609W102 | BABA | ALIBABA GROUP HLDG LTD | $6,281 | 2.14% | 47,500 | Common | SOLE |
| 233912104 | DJCO | DAILY JOURNAL CORP | $4,574 | 1.56% | 11,500 | Common | SOLE |
| 02079K305 | GOOGL | ALPHABET INC | $2,474 | 0.84% | 16,000 | Common | SOLE |
| 81752R100 | SRG | SERITAGE GROWTH PPTYS | $1,615 | 0.55% | 500,000 | Common | SOLE |
| 020764106 | AMR | ALPHA METALLURGICAL RESOUR I | $1,002 | 0.34% | 8,000 | Common | SOLE |
| 218937100 | CNR | CORE NATURAL RESOURCES INC | $828 | 0.28% | 8,100 | Common | SOLE |
Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.