Christopher Bloomstran - Semper Augustus
As of Q2 2026, Christopher Bloomstran reported 50 long-equity positions worth $884.6M in aggregate.
Copy-investor backtest
- Latest quarter
- +8.21%
- 1-year
- +25.49%
- 3-year
- +82.85%
- 5-year
- +103.77%
- 3-year vs S&P 500
- +9.61%
- 5-year vs S&P 500
- +30.09%
- 5-year top 5
- +115.02%
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.
Get email alerts when Christopher Bloomstran files a new 13F — sign in or create a free account.
Updated 2026-06-06 from SEC 13F data.
Live quotes available for 17 of 30 rows. Rows without a quote are marked unavailable.
| 1 | BRK/B | BERKSHIRE HATHAWAY INC DELCUSIP 084670702 | 19.76% | Reduce -0.1% | 188,605 | $27.25M | No quote | No quote |
| 2 | BRK/A | BERKSHIRE HATHAWAY INC DELCUSIP 084670108 | 13.49% | - | 86 | $18.6M | No quote | No quote |
| 3 | XOM | EXXON MOBIL CORP | 6.76% | Reduce -0.2% | 106,768 | $9.32M | $87.28 | No quote |
| 4 | MCY | MERCURY GENL CORP NEW | 6.76% | Reduce -0.2% | 169,788 | $9.31M | No quote | No quote |
| 5 | NEM | NEWMONT MINING CORP | 5.64% | - | 197,896 | $7.78M | $39.29 | No quote |
| 6 | GG | GOLDCORP INC NEW | 4.48% | Reduce -0.3% | 373,810 | $6.18M | No quote | No quote |
| 7 | WAFD | WASHINGTON FED INC | 4.47% | Reduce -0.2% | 231,068 | $6.17M | No quote | No quote |
| 8 | LUK | LEUCADIA NATL CORP | 4.21% | Reduce -0.0% | 305,027 | $5.81M | No quote | No quote |
| 9 | MRK | MERCK & CO INC | 3.55% | Reduce -0.3% | 78,477 | $4.9M | $62.41 | No quote |
| 10 | SNY | SANOFI | 2.93% | Add +4.2% | 105,774 | $4.04M | $38.19 | No quote |
| 11 | GE | GENERAL ELECTRIC CO | 2.78% | - | 129,415 | $3.83M | $29.62 | No quote |
| 12 | HXL | HEXCEL CORP NEW | 2.66% | Reduce -0.1% | 82,904 | $3.67M | $44.30 | No quote |
| 13 | INTC | INTEL CORP | 2.39% | Reduce -0.1% | 87,125 | $3.29M | $37.75 | No quote |
| 14 | COST | COSTCO WHSL CORP NEW | 2.25% | - | 20,302 | $3.1M | $152.50 | No quote |
| 15 | AVX | AVX CORP NEW | 2.23% | Reduce -0.0% | 223,449 | $3.08M | No quote | No quote |
| 16 | VR | VALIDUS HOLDINGS LTD | 2.02% | - | 56,001 | $2.79M | No quote | No quote |
| 17 | JNJ | JOHNSON & JOHNSON | 1.70% | - | 19,870 | $2.35M | $118.12 | No quote |
| 18 | AXP | AMERICAN EXPRESS CO | 1.69% | - | 36,267 | $2.32M | $64.05 | No quote |
| 19 | TRV | TRAVELERS COMPANIES INC | 1.66% | - | 20,000 | $2.29M | $114.55 | No quote |
| 20 | KGC | KINROSS GOLD CORP | 1.62% | Reduce -0.1% | 529,940 | $2.23M | $4.21 | No quote |
| 21 | STO | STATOIL ASA | 1.55% | - | 126,974 | $2.13M | No quote | No quote |
| 22 | KO | COCA COLA CO | 1.53% | - | 50,000 | $2.12M | $42.32 | No quote |
| 23 | CBI | CHICAGO BRIDGE & IRON CO N V | 1.14% | Add +70.6% | 56,018 | $1.57M | No quote | No quote |
| 24 | CNA | CNA FINL CORP | 0.94% | - | 37,580 | $1.29M | $34.41 | No quote |
| 25 | CB | CHUBB LIMITED | 0.55% | - | 6,018 | $756K | $125.62 | No quote |
| 26 | DST | DST SYS INC DEL | 0.47% | - | 5,514 | $650K | No quote | No quote |
| 27 | MDT | MEDTRONIC PLC | 0.31% | - | 5,000 | $432K | $86.40 | No quote |
| 28 | SYF | SYNCHRONY FINL | 0.19% | - | 9,532 | $267K | $28.01 | No quote |
| 29 | RDSA | ROYAL DUTCH SHELL PLC | 0.18% | - | 4,868 | $244K | No quote | No quote |
| 30 | VICL | VICAL INC | 0.08% | Reduce -0.9% | 36,848 | $112K | No quote | No quote |