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.
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Updated 2026-06-06 from SEC 13F data.
Live quotes available for 24 of 40 rows. Rows without a quote are marked unavailable.
| 1 | BRK/B | BERKSHIRE HATHAWAY INC DEL CL B NEWCUSIP 084670702 | 15.43% | New | 242,502 | $19.71M | No quote | No quote |
| 2 | MCY | MERCURY GENL CORP NEW COM | 13.50% | Add +0.2% | 394,271 | $17.24M | No quote | No quote |
| 3 | XOM | EXXON MOBIL CORP COM | 10.04% | Add +16.2% | 191,535 | $12.83M | $66.98 | No quote |
| 4 | BRK/A | BERKSHIRE HATHAWAY INC DEL CL ACUSIP 084670108 | 8.20% | - | 86 | $10.48M | No quote | No quote |
| 5 | CEG | CONSTELLATION ENERGY GROUP I COM | 5.98% | Reduce -15.1% | 217,236 | $7.64M | $35.18 | No quote |
| 6 | GE | GENERAL ELECTRIC CO COM | 5.75% | Reduce -0.4% | 403,708 | $7.35M | $18.20 | No quote |
| 7 | MSFT | MICROSOFT CORP COM | 4.47% | Add +0.2% | 194,960 | $5.71M | $29.29 | No quote |
| 8 | MRK | MERCK & CO INC NEW COM | 4.00% | - | 136,668 | $5.11M | $37.35 | No quote |
| 9 | NEM | NEWMONT MINING CORP COM | 3.37% | Add +0.2% | 84,605 | $4.31M | $50.93 | No quote |
| 10 | WAFD | WASHINGTON FED INC COM | 3.00% | Add +0.0% | 188,651 | $3.84M | No quote | No quote |
| 11 | DBD | DIEBOLD INC COM | 2.52% | Add +0.4% | 101,170 | $3.21M | No quote | No quote |
| 12 | INTC | INTEL CORP COM | 2.50% | Reduce -0.6% | 143,400 | $3.2M | $22.29 | No quote |
| 13 | BRO | BROWN & BROWN INC COM | 2.33% | Add +34.6% | 166,200 | $2.98M | $17.92 | No quote |
| 14 | SNY | SANOFI AVENTIS SPONSORED ADR | 1.84% | - | 62,825 | $2.35M | $37.36 | No quote |
| 15 | KO | COCA COLA CO COM | 1.54% | - | 35,800 | $1.97M | $55.00 | No quote |
| 16 | TLAB | TELLABS INC COM | 1.51% | - | 255,605 | $1.94M | No quote | No quote |
| 17 | AVX | AVX CORP NEW COM | 1.45% | Reduce -0.3% | 130,076 | $1.85M | No quote | No quote |
| 18 | EMR | EMERSON ELEC CO COM | 1.04% | - | 26,400 | $1.33M | $50.34 | No quote |
| 19 | WTM | WHITE MTNS INS GROUP LTD COM | 1.03% | Add +0.5% | 3,693 | $1.31M | $355.00 | No quote |
| 20 | VICL | VICAL INC COM | 1.01% | Add +0.3% | 389,310 | $1.3M | No quote | No quote |
| 21 | TRV | TRAVELERS COMPANIES INC COM | 1.01% | - | 24,000 | $1.3M | $53.96 | No quote |
| 22 | COST | COSTCO WHSL CORP NEW COM | 0.98% | - | 20,977 | $1.25M | $59.73 | No quote |
| 23 | CNA | CNA FINL CORP COM | 0.81% | Add +0.3% | 38,780 | $1.04M | $26.71 | No quote |
| 24 | JNJ | JOHNSON & JOHNSON COM | 0.78% | - | 15,300 | $998K | $65.23 | No quote |
| 25 | BMY | BRISTOL MYERS SQUIBB CO COM | 0.78% | - | 37,349 | $997K | $26.69 | No quote |
| 26 | VR | VALIDUS HOLDINGS LTD COM SHS | 0.78% | - | 36,006 | $991K | No quote | No quote |
| 27 | WMT | WAL MART STORES INC COM | 0.65% | - | 15,000 | $834K | $55.60 | No quote |
| 28 | CB | CHUBB CORP COM | 0.64% | - | 15,864 | $823K | $51.88 | No quote |
| 29 | RDSA | ROYAL DUTCH SHELL PLC SPONS ADR A | 0.59% | - | 12,968 | $750K | No quote | No quote |
| 30 | PFE | PFIZER INC COM | 0.52% | - | 38,677 | $663K | $17.14 | No quote |
| 31 | ABT | ABBOTT LABS COM | 0.47% | - | 11,400 | $601K | $52.72 | No quote |
| 32 | PG | PROCTER & GAMBLE CO COM | 0.38% | - | 7,699 | $487K | $63.26 | No quote |
| 33 | GCI | GANNETT INC COM | 0.29% | - | 22,286 | $369K | No quote | No quote |
| 34 | PM | PHILIP MORRIS INTL INC COM | 0.27% | - | 6,505 | $339K | $52.11 | No quote |
| 35 | MJN | MEAD JOHNSON NUTRITION CO COM | 0.24% | - | 5,825 | $303K | No quote | No quote |
| 36 | PEP | PEPSICO INC COM | 0.19% | - | 3,600 | $238K | $66.11 | No quote |
| 37 | MOT | MOTOROLA INC COM | 0.10% | - | 18,000 | $126K | No quote | No quote |
| 40 | ETN | EATON CORP COM | - | Sold | 0 | $0 | No quote | No quote |
| 39 | BNI | BURLINGTON NORTHN SANTA FE C COM | - | Sold | 0 | $0 | No quote | No quote |
| 38 | BRKB | BERKSHIRE HATHAWAY INC DEL CL B | - | Sold | 0 | $0 | No quote | No quote |