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 25 of 40 rows. Rows without a quote are marked unavailable.
| 1 | BRK/B | BERKSHIRE HATHAWAY INC DEL CL B NEWCUSIP 084670702 | 14.39% | Reduce -1.5% | 239,852 | $19.83M | No quote | No quote |
| 2 | XOM | EXXON MOBIL CORP COM | 12.63% | Add +0.2% | 281,730 | $17.41M | $61.79 | No quote |
| 3 | MCY | MERCURY GENL CORP NEW COM | 11.67% | Reduce -0.1% | 393,376 | $16.08M | No quote | No quote |
| 4 | BRK/A | BERKSHIRE HATHAWAY INC DEL CL ACUSIP 084670108 | 7.77% | - | 86 | $10.71M | No quote | No quote |
| 5 | CEG | CONSTELLATION ENERGY GROUP I COM | 5.05% | Reduce -0.1% | 215,551 | $6.97M | $32.31 | No quote |
| 6 | GE | GENERAL ELECTRIC CO COM | 4.76% | Add +0.0% | 403,711 | $6.56M | $16.25 | No quote |
| 7 | MSFT | MICROSOFT CORP COM | 4.44% | Add +28.7% | 249,960 | $6.12M | $24.49 | No quote |
| 8 | NEM | NEWMONT MINING CORP COM | 3.85% | Reduce -0.0% | 84,580 | $5.31M | $62.80 | No quote |
| 9 | MRK | MERCK & CO INC NEW COM | 3.65% | - | 136,668 | $5.03M | $36.81 | No quote |
| 10 | WAFD | WASHINGTON FED INC COM | 2.46% | Add +0.4% | 221,980 | $3.39M | No quote | No quote |
| 11 | BRO | BROWN & BROWN INC COM | 2.43% | Reduce -0.1% | 165,650 | $3.34M | $20.19 | No quote |
| 12 | DBD | DIEBOLD INC COM | 2.28% | Reduce -0.1% | 101,025 | $3.14M | No quote | No quote |
| 13 | JNJ | JOHNSON & JOHNSON COM | 2.00% | Add +190.5% | 44,440 | $2.75M | $61.97 | No quote |
| 14 | INTC | INTEL CORP COM | 1.99% | Reduce -0.2% | 142,790 | $2.74M | $19.20 | No quote |
| 15 | SNY | SANOFI AVENTIS SPONSORED ADR | 1.94% | Add +27.8% | 80,265 | $2.67M | $33.25 | No quote |
| 16 | STO | STATOIL ASA SPONSORED ADR | 1.63% | Add +100.2% | 107,405 | $2.25M | No quote | No quote |
| 17 | KO | COCA COLA CO COM | 1.52% | - | 35,800 | $2.1M | $58.52 | No quote |
| 18 | PM | PHILIP MORRIS INTL INC COM | 1.38% | Add +0.3% | 33,940 | $1.9M | $56.10 | No quote |
| 19 | TLAB | TELLABS INC COM | 1.38% | Reduce -0.1% | 255,455 | $1.9M | No quote | No quote |
| 20 | AVX | AVX CORP NEW COM | 1.30% | Reduce -0.2% | 129,296 | $1.79M | No quote | No quote |
| 21 | EMR | EMERSON ELEC CO COM | 1.01% | - | 26,400 | $1.39M | $52.65 | No quote |
| 22 | COST | COSTCO WHSL CORP NEW COM | 0.98% | - | 20,977 | $1.35M | $64.50 | No quote |
| 23 | VR | VALIDUS HOLDINGS LTD COM SHS | 0.93% | - | 48,641 | $1.28M | No quote | No quote |
| 24 | TRV | TRAVELERS COMPANIES INC COM | 0.91% | - | 24,000 | $1.25M | $52.08 | No quote |
| 25 | WTM | WHITE MTNS INS GROUP LTD COM | 0.83% | Reduce -0.1% | 3,691 | $1.14M | $308.59 | No quote |
| 26 | CNA | CNA FINL CORP COM | 0.79% | Reduce -0.3% | 38,680 | $1.08M | $28.00 | No quote |
| 27 | BMY | BRISTOL MYERS SQUIBB CO COM | 0.74% | - | 37,349 | $1.01M | $27.12 | No quote |
| 28 | IAAC | INTERNATIONAL ASSETS HLDG CO COM | 0.73% | - | 42,700 | $1.01M | No quote | No quote |
| 29 | CB | CHUBB CORP COM | 0.66% | - | 15,864 | $904K | $56.98 | No quote |
| 30 | VICL | VICAL INC COM | 0.63% | Reduce -0.1% | 389,010 | $867K | No quote | No quote |
| 31 | WMT | WAL MART STORES INC COM | 0.58% | - | 15,000 | $803K | $53.53 | No quote |
| 32 | RDSA | ROYAL DUTCH SHELL PLC SPONS ADR A | 0.57% | - | 12,968 | $782K | No quote | No quote |
| 33 | PFE | PFIZER INC COM | 0.48% | - | 38,677 | $664K | $17.17 | No quote |
| 34 | ABT | ABBOTT LABS COM | 0.43% | - | 11,400 | $596K | $52.28 | No quote |
| 35 | PG | PROCTER & GAMBLE CO COM | 0.34% | - | 7,699 | $462K | $60.01 | No quote |
| 36 | MJN | MEAD JOHNSON NUTRITION CO COM | 0.24% | - | 5,825 | $332K | No quote | No quote |
| 37 | GCI | GANNETT INC COM | 0.20% | - | 22,286 | $273K | No quote | No quote |
| 38 | PEP | PEPSICO INC COM | 0.17% | - | 3,600 | $239K | $66.39 | No quote |
| 39 | COP | CONOCOPHILLIPS COM | 0.15% | New | 3,700 | $212K | $57.30 | No quote |
| 40 | MOT | MOTOROLA INC COM | 0.11% | - | 18,000 | $154K | No quote | No quote |