Portfolio timeline
Aquamarine Capital — Portfolio History
Every 13F quarter on record, newest first. Each row lists the quarter's top positions; open any quarter for the full portfolio, buys, adds, trims and exits.
- Quarters
- 3
- Avg positions
- 7
- Latest top 5 weight
- 87.5%
- Avg top 5 weight
- 88.6%
- Avg changed names
- 0
- Held in ≥75% of stored quarters
- 7
Quarter Activity
Reported increases, decreases, exits, and new positions vs. the prior filing.
| Quarter | New | Adds | Trims | Exits | Top 5 |
|---|---|---|---|---|---|
| Q2 2026 | 0 | 0 | 0 | 0 | 87.5% |
| Q1 2026 | 0 | 0 | 0 | 0 | 88.5% |
| Q4 2025 | No prior baseline | 89.7% | |||
Most Frequently Reported Positions
Positions appearing across the most stored reporting quarters.
| Position | Quarters | Latest weight | Latest value |
|---|---|---|---|
| BRK.B Berkshire Hathaway Inc. Class B | 3 | 33.9% | $48.8M |
| BRK.A Berkshire Hathaway Inc. Class A | 3 | 15.6% | $22.5M |
| AXP American Express Co. | 3 | 15.3% | $22.0M |
| MA Mastercard Incorporated | 3 | 14.3% | $20.5M |
| MCO Moody's Corp. | 3 | 8.5% | $12.2M |
| RACE Ferrari NV | 3 | 7.7% | $11.1M |
Tip: hover any ticker below to see its weight in that quarter's portfolio.