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 31 rows. Rows without a quote are marked unavailable.
| 1 | BRK/B | BERKSHIRE HATHAWAY INC DELCUSIP 084670702 | 19.82% | Add +0.1% | 188,824 | $27.34M | No quote | No quote |
| 2 | BRK/A | BERKSHIRE HATHAWAY INC DELCUSIP 084670108 | 13.53% | - | 86 | $18.66M | No quote | No quote |
| 3 | XOM | EXXON MOBIL CORP | 7.27% | Reduce -52.5% | 107,029 | $10.03M | $93.74 | No quote |
| 4 | MCY | MERCURY GENL CORP NEW | 6.56% | Add +0.0% | 170,158 | $9.05M | No quote | No quote |
| 5 | NEM | NEWMONT MINING CORP | 5.61% | - | 197,896 | $7.74M | $39.12 | No quote |
| 6 | GG | GOLDCORP INC NEW | 5.20% | - | 375,037 | $7.17M | No quote | No quote |
| 7 | WAFD | WASHINGTON FED INC | 4.07% | - | 231,543 | $5.62M | No quote | No quote |
| 8 | LUK | LEUCADIA NATL CORP | 3.83% | - | 305,077 | $5.29M | No quote | No quote |
| 9 | MRK | MERCK & CO INC | 3.29% | - | 78,729 | $4.54M | $57.62 | No quote |
| 10 | SNY | SANOFI | 3.08% | Add +23.3% | 101,539 | $4.25M | $41.85 | No quote |
| 11 | GE | GENERAL ELECTRIC CO | 2.95% | Reduce -4.8% | 129,415 | $4.07M | $31.48 | No quote |
| 12 | HXL | HEXCEL CORP NEW | 2.50% | New | 82,950 | $3.45M | $41.64 | No quote |
| 13 | COST | COSTCO WHSL CORP NEW | 2.31% | - | 20,302 | $3.19M | $157.03 | No quote |
| 14 | AVX | AVX CORP NEW | 2.20% | - | 223,549 | $3.04M | No quote | No quote |
| 15 | INTC | INTEL CORP | 2.07% | - | 87,175 | $2.86M | $32.80 | No quote |
| 16 | VR | VALIDUS HOLDINGS LTD | 1.97% | - | 56,001 | $2.72M | No quote | No quote |
| 17 | KGC | KINROSS GOLD CORP | 1.88% | - | 530,190 | $2.59M | $4.89 | No quote |
| 18 | JNJ | JOHNSON & JOHNSON | 1.75% | - | 19,870 | $2.41M | $121.29 | No quote |
| 19 | TRV | TRAVELERS COMPANIES INC | 1.73% | - | 20,000 | $2.38M | $119.05 | No quote |
| 20 | KO | COCA COLA CO | 1.64% | - | 50,000 | $2.27M | $45.32 | No quote |
| 21 | AXP | AMERICAN EXPRESS CO | 1.60% | - | 36,267 | $2.2M | $60.77 | No quote |
| 22 | STO | STATOIL ASA | 1.59% | - | 126,974 | $2.2M | No quote | No quote |
| 23 | CNA | CNA FINL CORP | 0.86% | - | 37,580 | $1.18M | $31.43 | No quote |
| 24 | CBI | CHICAGO BRIDGE & IRON CO N V | 0.82% | - | 32,828 | $1.14M | No quote | No quote |
| 25 | CB | CHUBB LIMITED | 0.57% | - | 6,018 | $787K | $130.77 | No quote |
| 26 | DST | DST SYS INC DEL | 0.47% | - | 5,514 | $642K | No quote | No quote |
| 27 | MDT | MEDTRONIC PLC | 0.31% | - | 5,000 | $434K | $86.80 | No quote |
| 28 | RDSA | ROYAL DUTCH SHELL PLC | 0.20% | - | 4,868 | $269K | No quote | No quote |
| 29 | SYF | SYNCHRONY FINL | 0.17% | - | 9,532 | $241K | $25.28 | No quote |
| 30 | VICL | VICAL INC | 0.12% | Reduce -90.0% | 37,188 | $168K | No quote | No quote |
| 31 | MSFT | MICROSOFT CORP | - | Sold | 0 | $0 | No quote | No quote |