Aquamarine Zurich AG
Top Portfolio Positions
6 positions ·
$113,896,680 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| BRK-B |
Berkshire Hathaway Inc
Financial Services
|
97,600 | $46,769,920 | 41.06% | |
| MA |
Mastercard Inc
Financial Services
|
40,000 | $19,986,400 | 17.55% | |
| AXP |
American Express Co
Financial Services
|
65,000 | $19,661,200 | 17.26% | |
| MCO |
Moodys Corp /De/
Financial Services
|
27,000 | $11,778,750 | 10.34% | |
| RACE |
Ferrari N.V.
Consumer Cyclical
|
30,000 | $10,153,500 | 8.91% | |
| DJCO |
Daily Journal Corp
Technology
|
11,500 | $5,546,910 | 4.87% |
Portfolio Trend
15 quarters · across all stocks
Holdings in DJCO
Shares Held
Position Value (USD)
15 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,546,910 | 11,500 | Shares | Sole | 2026-04-17 | |
| 2025-12-31 | $5,604,180 | 11,500 | Shares | Sole | 2026-01-15 | |
| 2025-09-30 | $5,349,110 | 11,500 | Shares | Sole | 2025-10-20 | |
| 2025-06-30 | $4,855,875 | 11,500 | Shares | Sole | 2025-07-18 | |
| 2025-03-31 | $4,573,550 | 11,500 | Shares | Sole | 2025-07-18 | |
| 2024-12-31 | $6,531,885 | 11,500 | Shares | Sole | 2025-01-24 | |
| 2024-09-30 | $5,636,150 | 11,500 | Shares | Sole | 2024-10-16 | |
| 2024-06-30 | $4,536,520 | 11,500 | Shares | Sole | 2024-07-11 | |
| 2024-03-31 | $4,158,515 | 11,500 | Shares | Sole | 2024-04-18 | |
| 2023-12-31 | $3,919,430 | 11,500 | Shares | Sole | 2024-02-01 | |
| 2023-09-30 | $3,381,000 | 11,500 | Shares | Sole | 2023-10-12 | |
| 2023-06-30 | $3,326,720 | 11,500 | Shares | Sole | 2023-07-13 | |
| 2023-03-31 | $3,277,040 | 11,500 | Shares | Sole | 2023-04-18 | |
| 2022-12-31 | $2,880,865 | 11,500 | Shares | Sole | 2023-01-27 | |
| 2022-09-30 | $2,948,485 | 11,500 | Shares | Sole | 2022-11-08 | |
| No 13F history on record for this holder in this stock. | ||||||