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 25 of 39 rows. Rows without a quote are marked unavailable.
| 1 | BRKB | BERKSHIRE HATHAWAY INC DEL CL B | 13.19% | - | 4,878 | $16.03M | No quote | No quote |
| 2 | MCY | MERCURY GENL CORP NEW COM | 12.71% | - | 393,371 | $15.44M | No quote | No quote |
| 3 | XOM | EXXON MOBIL CORP COM | 9.25% | - | 164,832 | $11.24M | $68.19 | No quote |
| 4 | CEG | CONSTELLATION ENERGY GROUP I COM | 7.42% | - | 255,946 | $9.02M | $35.23 | No quote |
| 5 | BRK/A | BERKSHIRE HATHAWAY INC DEL CL ACUSIP 084670108 | 7.02% | - | 86 | $8.53M | No quote | No quote |
| 6 | GE | GENERAL ELECTRIC CO COM | 5.05% | - | 405,207 | $6.13M | $15.13 | No quote |
| 7 | MSFT | MICROSOFT CORP COM | 4.88% | - | 194,560 | $5.93M | $30.48 | No quote |
| 8 | MRK | MERCK & CO INC NEW COM | 4.11% | - | 136,668 | $4.99M | $36.54 | No quote |
| 9 | NEM | NEWMONT MINING CORP COM | 3.29% | - | 84,405 | $3.99M | $47.31 | No quote |
| 10 | WAFD | WASHINGTON FED INC COM | 3.00% | - | 188,641 | $3.65M | No quote | No quote |
| 11 | ETN | EATON CORP COM | 2.90% | - | 55,400 | $3.53M | $63.63 | No quote |
| 12 | INTC | INTEL CORP COM | 2.42% | - | 144,225 | $2.94M | $20.40 | No quote |
| 13 | DBD | DIEBOLD INC COM | 2.36% | - | 100,795 | $2.87M | No quote | No quote |
| 14 | SNY | SANOFI AVENTIS SPONSORED ADR | 2.03% | - | 62,825 | $2.47M | $39.27 | No quote |
| 15 | BRO | BROWN & BROWN INC COM | 1.83% | - | 123,505 | $2.22M | $17.97 | No quote |
| 16 | BNI | BURLINGTON NORTHN SANTA FE C COM | 1.73% | - | 21,305 | $2.1M | No quote | No quote |
| 17 | KO | COCA COLA CO COM | 1.68% | - | 35,800 | $2.04M | $57.01 | No quote |
| 18 | AVX | AVX CORP NEW COM | 1.36% | - | 130,426 | $1.65M | No quote | No quote |
| 19 | TLAB | TELLABS INC COM | 1.19% | - | 255,605 | $1.45M | No quote | No quote |
| 20 | VICL | VICAL INC COM | 1.05% | - | 388,010 | $1.28M | No quote | No quote |
| 21 | COST | COSTCO WHSL CORP NEW COM | 1.02% | - | 20,977 | $1.24M | $59.16 | No quote |
| 22 | WTM | WHITE MTNS INS GROUP LTD COM | 1.01% | - | 3,675 | $1.22M | $332.79 | No quote |
| 23 | TRV | TRAVELERS COMPANIES INC COM | 0.98% | - | 24,000 | $1.2M | $49.88 | No quote |
| 24 | EMR | EMERSON ELEC CO COM | 0.93% | - | 26,400 | $1.13M | $42.61 | No quote |
| 25 | JNJ | JOHNSON & JOHNSON COM | 0.81% | - | 15,300 | $985K | $64.38 | No quote |
| 26 | VR | VALIDUS HOLDINGS LTD COM SHS | 0.80% | - | 36,006 | $970K | No quote | No quote |
| 27 | BMY | BRISTOL MYERS SQUIBB CO COM | 0.78% | - | 37,349 | $943K | $25.25 | No quote |
| 28 | CNA | CNA FINL CORP COM | 0.76% | - | 38,680 | $928K | $23.99 | No quote |
| 29 | WMT | WAL MART STORES INC COM | 0.66% | - | 15,000 | $802K | $53.47 | No quote |
| 31 | RDSA | ROYAL DUTCH SHELL PLC SPONS ADR A | 0.64% | - | 12,968 | $780K | No quote | No quote |
| 30 | CB | CHUBB CORP COM | 0.64% | - | 15,864 | $780K | $49.17 | No quote |
| 32 | PFE | PFIZER INC COM | 0.58% | - | 38,677 | $704K | $18.20 | No quote |
| 33 | ABT | ABBOTT LABS COM | 0.51% | - | 11,400 | $615K | $53.95 | No quote |
| 34 | PG | PROCTER & GAMBLE CO COM | 0.38% | - | 7,699 | $467K | $60.66 | No quote |
| 35 | GCI | GANNETT INC COM | 0.27% | - | 22,286 | $331K | No quote | No quote |
| 36 | PM | PHILIP MORRIS INTL INC COM | 0.26% | - | 6,505 | $313K | $48.12 | No quote |
| 37 | MJN | MEAD JOHNSON NUTRITION CO COM CL A | 0.21% | - | 5,825 | $255K | No quote | No quote |
| 38 | PEP | PEPSICO INC COM | 0.18% | - | 3,600 | $219K | $60.83 | No quote |
| 39 | MOT | MOTOROLA INC COM | 0.12% | - | 18,000 | $140K | No quote | No quote |