Aquamarine Zurich AG
CIK 1953324 · View on SEC EDGAR ↗
- Portfolio value
- $135K
- Positions
- 7
- As of
- March 31, 2026 Data as of Q1 2026
#9,388 of 9,443 by 13F value · top 99.4%
Portfolio value QoQ: -8.3% 13F does not disclose cash
- Top 10 holdings weight
- 100.00%
- Top 25 holdings weight
- 100.00%
- Positions above 1%
- 7
- Effective number of positions
- 4.9
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q1 2026: 0.0% Est. buys $0 · sells $0
Median holding: 4.0 quarters Tracked Q4 2024–Q1 2026 · 46.7% still held
- New positions
- 0
- Increased
- 0
- Decreased
- 0
- Closed
- 7
On this page
Sector breakdown
Financial Services
38.0%
Consumer Discretionary
7.4%
Technology
4.1%
Other/Unmapped
50.5%
Full portfolio 7 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| BRKB | $46,770 | 34.57% | 97,600 | $-2,289 | |||
| BRKA | $21,544 | 15.92% | 30 | $-1,100 | |||
| MA Mastercard Incorporated Common Stock | $19,986 | 14.77% | 40,000 | $-2,849 | |||
| AXP American Express Company Common Stock | $19,661 | 14.53% | 65,000 | $-4,386 | |||
| MCO Moody's Corporation Common Stock | $11,779 | 8.71% | 27,000 | $-2,014 | |||
| RACE Ferrari N.V. Common Shares | $10,016 | 7.40% | 30,000 | $455 | |||
| DJCO Daily Journal Corp. (S.C.) - Common Stock | $5,547 | 4.10% | 11,500 | $-57 | |||
| No matches | |||||||
Top movers (QoQ)
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| BAC | Dec. 31, 2025 | 767,845 | $39,613 | 13.5% |
| MU | Dec. 31, 2025 | 80,000 | $13,386 | 245.0% |
| BABA | Dec. 31, 2025 | 47,500 | $8,490 | -16.7% |
| GOOGL | Dec. 31, 2025 | 16,000 | $3,890 | 9.3% |
| SRG | Dec. 31, 2025 | 500,000 | $2,125 | -34.4% |
| AMR | Dec. 31, 2025 | 8,000 | $1,313 | 5.9% |
| ARCH | March 31, 2025 | 8,100 | $1,144 | No longer tracked |
| CNR | Dec. 31, 2025 | 10,740 | $897 | 9.0% |