Q4 2025 · 13F-HR
Aquamarine Zurich AGholdings as filed
Filed 2026-01-15 · accession 0001953324-26-000001
$147,543
Reported value
7
Positions
2025-12-31
Period end
Holdings as filed
| CUSIP | Ticker | Issuer | Value | % port. | Shares | Class | Voting |
|---|---|---|---|---|---|---|---|
| 084670702 | BRK/B | BERKSHIRE HATHAWAY INC DEL | $49,059 | 33.3% | 97,600 | Common | SOLE |
| 025816109 | AXP | AMERICAN EXPRESS CO | $24,047 | 16.3% | 65,000 | Common | SOLE |
| 57636Q104 | MA | MASTERCARD INCORPORATED | $22,835 | 15.5% | 40,000 | Common | SOLE |
| 084670108 | BRK/A | BERKSHIRE HATHAWAY INC DEL | $22,644 | 15.3% | 30 | Common | SOLE |
| 615369105 | MCO | MOODYS CORP | $13,793 | 9.35% | 27,000 | Common | SOLE |
| N3167Y103 | RACE | FERRARI N V | $9,561 | 6.48% | 30,000 | Common | SOLE |
| 233912104 | DJCO | DAILY JOURNAL CORP | $5,604 | 3.80% | 11,500 | 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.