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 20 rows. Rows without a quote are marked unavailable.
| 1 | FCAU | FIAT CHRYSLER AUTOMOBILES | 21.49% | - | 2,000,000 | $32.54M | No quote | No quote |
| 2 | AXP | AMERICAN EXPRESS CO | 14.05% | - | 272,430 | $21.28M | $78.12 | No quote |
| 3 | - | BERKSHIRE HATHAWAY INC. DELCUSIP 84670702 | 13.40% | New | 140,600 | $20.29M | No quote | No quote |
| 4 | GMWSB | GENERAL MOTORS CO | 12.98% | Add +42.9% | 1,000,000 | $19.65M | No quote | No quote |
| 5 | ZINC | HORSEHEAD HOLDING CORP | 11.04% | Add +8.2% | 1,320,000 | $16.71M | No quote | No quote |
| 6 | BAC | BANK OF AMERICA CORP | 5.98% | New | 590,000 | $9.06M | $15.36 | No quote |
| 7 | - | BERKSHIRE HATHAWAY INC. DELCUSIP 84670108 | 4.31% | New | 30 | $6.53M | No quote | No quote |
| 8 | WFC | WELLS FARGO & CO NEW | 4.13% | - | 115,000 | $6.26M | $54.40 | No quote |
| 9 | MA | MASTERCARD INC | 3.75% | - | 65,750 | $5.68M | $86.39 | No quote |
| 10 | C | CITIGROUP INC | 3.61% | - | 106,000 | $5.46M | $51.52 | No quote |
| 11 | PKX | POSCO | 2.53% | - | 70,000 | $3.83M | No quote | No quote |
| 12 | WFCWS | WELLS FARGO & CO | 1.49% | - | 110,000 | $2.25M | No quote | No quote |
| 13 | BAC | BANK OF AMERICA CORP | 1.24% | New | 320,000 | $1.88M | $5.87 | No quote |
| 14 | CRESW | CRESUD SA COMERCIAL | 0.00% | - | 271,944 | $6K | No quote | No quote |
| 20 | GS | GOLDMAN SACHS GROUP INC | - | Sold | 0 | $0 | No quote | No quote |
| 19 | DTV | DIRECTV | - | Sold | 0 | $0 | No quote | No quote |
| 18 | BRK/B | BERKSHIRE HATHAWAY INC. DELCUSIP 084670702 | - | Sold | 0 | $0 | No quote | No quote |
| 17 | BRK/A | BERKSHIRE HATHAWAY INC. DELCUSIP 084670108 | - | Sold | 0 | $0 | No quote | No quote |
| 16 | BACWSA | BANK OF AMERICA CORP | - | Sold | 0 | $0 | No quote | No quote |
| 15 | BAC | BANK OF AMERICA CORP | - | Sold | 0 | $0 | No quote | No quote |