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Aquamarine Zurich AG
Period ended Sep 30, 2026 · Latest filing Nov 10, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Sep 30, 2026: $144,264
More quarters will appear as history becomes available.
Top holdings
Top 10 at Sep 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- BERKSHIRE HATHAWAY INC DEL · CL B NEW · 084670702 · shares: $48,560
- BERKSHIRE HATHAWAY INC DEL · CL A · 084670108 · shares: $22,410
- MASTERCARD INCORPORATED · CL A · 57636Q104 · shares: $22,059
- AMERICAN EXPRESS CO · COM · 025816109 · shares: $19,767
- MOODYS CORP · COM · 615369105 · shares: $12,262
- FERRARI N V · COM · N3167Y103 · shares: $11,774
- DAILY JOURNAL CORP · COM · 233912104 · shares: $7,432
Reported holdings
7 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | — | 97,600 shares | $48,560 |
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 | — | 30 shares | $22,410 |
| MASTERCARD INCORPORATED | CL A | 57636Q104 | — | 40,000 shares | $22,059 |
| AMERICAN EXPRESS CO | COM | 025816109 | — | 65,000 shares | $19,767 |
| MOODYS CORP | COM | 615369105 | — | 27,000 shares | $12,262 |
| FERRARI N V | COM | N3167Y103 | — | 30,000 shares | $11,774 |
| DAILY JOURNAL CORP | COM | 233912104 | — | 11,500 shares | $7,432 |