Aquamarine
SuperinvestorAquamarine Zurich AG
- SEC CIK
- 0001953324
- Manager
- Guy Spier
- Style
- Value
- Latest filing
- Jul 10, 2026
Predecessor filersAquamarine Capital Management, LLC
Holdings in Q1 2026
Holdings as of Mar 31, 2026, filed Apr 17, 2026. Long positions only; changes compare share counts with Q4 2025.
- Positions
- 7
- 0 vs. Q4 2025
- Portfolio value
- $135.3M
- −$12.2M (−8.3%) vs. Q4 2025
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| BRK.BBerkshire Hathaway Inc | Stock | 97,600 | $46.8M | 34.6% | 00.0% | Unchanged | History |
| BRK.ABerkshire Hathaway Inc | CL A | 30 | $21.5M | 15.9% | 00.0% | Unchanged | History |
| MAMastercard Inc | Stock | 40,000 | $20.0M | 14.8% | 00.0% | Unchanged | History |
| AXPAmerican Express Co | Stock | 65,000 | $19.7M | 14.5% | 00.0% | Unchanged | History |
| MCOMoodys Corp | Stock | 27,000 | $11.8M | 8.7% | 00.0% | Unchanged | History |
| RACEFerrari N.V. | COM | 30,000 | $10.0M | 7.4% | 00.0% | Unchanged | History |
| DJCODaily Journal Corp | COM | 11,500 | $5.55M | 4.1% | 00.0% | Unchanged | History |