Portfolio Value Over Time
Current Holdings for Aquamarine Capital
|
Stock
Click to search
|
Shares | Value | % of Portfolio | Change | Est. Return |
|---|---|---|---|---|---|
|
BRK-B|BERKSHIRE HATHAWAY INC DEL
|
97.6K | $46.8M | — | — | |
|
BRK-A|BERKSHIRE HATHAWAY INC DEL
|
30 | $21.5M | — | — | |
|
MA|MASTERCARD INCORPORATED
|
40.0K | $20.0M | — | — | |
|
AXP|AMERICAN EXPRESS CO
|
65.0K | $19.7M | — | — | |
|
DUT|MOODYS CORP
|
27.0K | $11.8M | — | — | |
|
RACE|FERRARI N V
|
30.0K | $10.0M | — | — | |
|
DJCO|DAILY JOURNAL CORP
|
11.5K | $5.5M | — | — |
Trading Activity for Aquamarine Capital
|
Stock
Click to search
|
Action | Change | Shares After | Value | Est. Return |
|---|---|---|---|---|---|
| 2025-Q4 | |||||
|
BRK-B|BERKSHIRE HATHAWAY INC DEL
|
SELL | -30.58% | 97.6K | $49M | — |
|
AXP|AMERICAN EXPRESS CO
|
SELL | -69.05% | 65.0K | $24M | — |
|
BAC|BANK AMERICA CORP
|
SELL | EXIT | — | — | — |
|
MA|MASTERCARD INCORPORATED
|
SELL | -39.16% | 40.0K | $23M | — |
|
RACE|FERRARI N V
|
SELL | -50.00% | 30.0K | $10M | — |
|
MU|MICRON TECHNOLOGY INC
|
SELL | EXIT | — | — | — |
|
BABA|ALIBABA GROUP HLDG LTD
|
SELL | EXIT | — | — | — |
|
GOOGL|ALPHABET INC
|
SELL | EXIT | — | — | — |
|
SRG|SERITAGE GROWTH PPTYS
|
SELL | EXIT | — | — | — |
|
AMR|ALPHA METALLURGICAL RESOUR I
|
SELL | EXIT | — | — | -45.6% |
|
CNR|CORE NATURAL RESOURCES INC
|
SELL | EXIT | — | — | +6.1% |
| 2025-Q3 | |||||
|
MU|MICRON TECHNOLOGY INC
|
SELL | -60.00% | 80.0K | $13M | — |
| 2025-Q2 | |||||
|
CNR|CORE NATURAL RESOURCES INC
|
BUY | +32.59% | 10.7K | $828000 | — |
| 2025-Q1 | |||||
|
ARCH1USD|ARCH RESOURCES INC
|
SELL | EXIT | — | — | — |
|
CNR|CORE NATURAL RESOURCES INC
|
BUY | NEW | 8.1K | $828000 | — |
| 2024-Q2 | |||||
|
AMR|ALPHA METALLURGICAL RESOUR I
|
BUY | NEW | 8.0K | $2M | — |
|
ARCH1USD|ARCH RESOURCES INC
|
BUY | NEW | 8.1K | $1M | — |
| 2024-Q1 | |||||
|
RACE|FERRARI N V
|
SELL | -25.00% | 60.0K | $26M | — |
| 2022-Q4 | |||||
|
GOOGL|ALPHABET INC
|
BUY | NEW | 16.0K | $1M | — |
Closed Positions for Aquamarine Capital
|
Stock
Click to search
|
Held Period | Cost Basis | Sale Proceeds | Realized Gain | Return | CAGR |
|---|---|---|---|---|---|---|
|
AMR|ALPHA METALLURGICAL RESOUR I
|
2024-Q2 → 2025-Q4 (1.5y) | $2.5M | $1.3M | $-1.1M | -45.6% | -33.4% |
|
CNR|CORE NATURAL RESOURCES INC
|
2025-Q1 → 2025-Q4 (0.7y) | $850.5K | $902.6K | $+52.1K | +6.1% | +8.3% |