Long-term investor
Aquamarine Zurich AG @aquamarinezurichag
Institutional investment manager. Holdings disclosed quarterly to the SEC on Form 13F (CIK 0001953324).
Record
- Tracked since 2025-06-30 (445 days), 17 trades recorded
- Returns: week n/a · month n/a · 90 days n/a · 6 months n/a · 1 year +6.0% · all +6.0%
- Max drawdown n/a · win rate 86% · data quality Good
- Source: SEC 13F Filings (live) (SEC EDGAR; typical delay 45 days)
Open positions
- BRK-B · 33.9% · long · since 2025-06-30
- BRKA · 15.6% · long · since 2025-06-30
- AXP · 15.3% · long · since 2025-06-30
- MA · 14.3% · long · since 2025-06-30
- MCO · 8.5% · long · since 2025-06-30
- RACE · 7.7% · long · since 2025-06-30
- DJCO · 4.8% · long · since 2025-06-30