Guy Spier - Aquamarine Capital
As of Q2 2026, Guy Spier reported 7 long-equity positions worth $144.09M in aggregate.
Copy-investor backtest
- Latest quarter
- +3.96%
- 1-year
- +13.66%
- 3-year
- +68.33%
- 5-year
- +72.54%
- 3-year vs S&P 500
- +0.40%
- 5-year vs S&P 500
- +0.56%
- 5-year top 5
- +65.63%
Return from mechanically copying the disclosed 13F equity portfolio after each filing and rebalancing at the next. The vs S&P 500 figures subtract SPY over that manager's own rebalance dates, so both sides cover the same days; both are price return, excluding dividends. Method & limitations.
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Updated 2026-06-06 from SEC 13F data.
Live quotes available for 6 of 14 rows. Rows without a quote are marked unavailable.
| 1 | FCAU | FIAT CHRYSLER AUTOMOBILES N | 16.43% | - | 2,000,000 | $29.77M | No quote | No quote |
| 2 | BRK/B | BERKSHIRE HATHAWAY INC DELCUSIP 084670702 | 15.58% | - | 140,600 | $28.25M | No quote | No quote |
| 3 | RACE | FERRARI N V | 14.79% | - | 200,000 | $26.81M | $134.04 | No quote |
| 4 | AXP | AMERICAN EXPRESS CO | 13.41% | - | 222,430 | $24.31M | $109.30 | No quote |
| 5 | BAC | BANK AMER CORP | 11.69% | Add +30.1% | 767,845 | $21.19M | $27.59 | No quote |
| 6 | MA | MASTERCARD INC | 8.54% | - | 65,750 | $15.48M | $235.45 | No quote |
| 7 | SRG | SERITAGE GROWTH PPTYS | 7.36% | Add +13.7% | 300,000 | $13.33M | No quote | No quote |
| 8 | BRK/A | BERKSHIRE HATHAWAY INC DELCUSIP 084670108 | 4.99% | - | 30 | $9.04M | No quote | No quote |
| 9 | WFC | WELLS FARGO CO NEW | 4.05% | - | 151,741 | $7.33M | $48.32 | No quote |
| 10 | MCO | MOODYS CORP | 2.50% | - | 25,000 | $4.53M | $181.08 | No quote |
| 11 | TOO | TEEKAY OFFSHORE PARTNERS L P | 0.66% | - | 1,000,000 | $1.2M | No quote | No quote |
| 14 | TERP | TERRAFORM PWR INC | - | Sold | 0 | $0 | No quote | No quote |
| 13 | GMWSB | GENERAL MTRS CO | - | Sold | 0 | $0 | No quote | No quote |
| 12 | BACWSA | BANK AMER CORP | - | Sold | 0 | $0 | No quote | No quote |