Terminal · Institutions
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.
Aquamarine Zurich AG (CIK 1953324) reported $135.3M across 7 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: BRK/B ($46.8M, 34.57%), BRK/A ($21.5M, 15.92%), MA ($20.0M, 14.77%), AXP ($19.7M, 14.53%), MCO ($11.8M, 8.71%). Source: SEC Form 13F.
| Rank | Ticker | Company | Value | % Portfolio | Shares | Action |
|---|---|---|---|---|---|---|
| 1 | BRK/B | BERKSHIRE HATHAWAY INC DEL | $46.8M | 34.57% | 97,600 | Hold |
| 2 | BRK/A | BERKSHIRE HATHAWAY INC DEL | $21.5M | 15.92% | 30 | Hold |
| 3 | MA | MASTERCARD INCORPORATED | $20.0M | 14.77% | 40,000 | Hold |
| 4 | AXP | AMERICAN EXPRESS CO | $19.7M | 14.53% | 65,000 | Hold |
| 5 | MCO | MOODYS CORP | $11.8M | 8.71% | 27,000 | Hold |
| 6 | RACE | FERRARI N V | $10.0M | 7.40% | 30,000 | Hold |
| 7 | DJCO | DAILY JOURNAL CORP | $5.5M | 4.10% | 11,500 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31