Semper Augustus (Chris Bloomstran) 13F holdings, Q4 2010
Semper Augustus (Chris Bloomstran) disclosed 41 US equity positions worth $145.8m in its Q4 2010 13F filing. Its largest position is EXMOC at 14.1% of the reported book, followed by BRK/B and MCY. Versus Q3 2010 it opened 10 new positions, added to 5, reduced 2 and exited 0.
- $146m
- Reported equity book Sum of the long US equity positions in the filing, at the values filed. Options are excluded.
- 41
- Positions Distinct securities in the equity book with a reported value above zero. Options are excluded.
- 14.1%
- Largest position The largest single position as a share of the reported equity book.
- 70.4%
- Top 10 weight The ten largest positions together, as a share of the reported equity book.
- 14
- Effective positions 1 / HHI of portfolio weights: the number of equal-weight positions the book behaves like.
- 75
- Quarters on file since Q4 2007 Quarters for which this manager's 13F holdings are on record.
Holdings
Against Q3 2010: 10 new, 5 added, 2 reduced, 0 exited
| EXMOC EXXON MOBIL CORP | 14.1% | 0.0% | held |
| BRK/B BERKSHIRE HATHAWAY INC DEL | 13.2% | – | new |
| MCY MERCURY GENL CORP NEW | 11.6% | +0.1% | held |
| BRK/A BERKSHIRE HATHAWAY INC DEL | 7.1% | – | new |
| GE GENERAL ELECTRIC CO | 5.1% | −0.1% | held |
| Constellation Energy no ticker | 5.0% | +9.6% | added |
| MSFT MICROSOFT CORP | 4.8% | – | new |
| NEM NEWMONT CORP | 3.6% | 0.0% | held |
| MRK MERCK & CO. INC | 3.4% | 0.0% | held |
| WAFD WAFD INC | 2.6% | +0.7% | added |
| BRO BROWN & BROWN INC | 2.5% | −6.6% | reduced |
| DBD DIEBOLD NIXDORF INC | 2.2% | 0.0% | held |
| INTC INTEL CORP | 2.1% | 0.0% | held |
| JNJ JOHNSON & JOHNSON | 1.9% | +0.1% | held |
| STATOIL ASA no ticker | 1.8% | – | new |
| SNY SANOFI SA | 1.8% | – | new |
| KO COCA COLA CO | 1.6% | 0.0% | held |
| PM PHILIP MORRIS INTL INC | 1.4% | +0.6% | added |
| AVX CORP NEW no ticker | 1.4% | 0.0% | held |
| Tellabs no ticker | 1.2% | 0.0% | held |
| COST COSTCO WHOLESALE CORPORATION | 1.0% | 0.0% | held |
| EMR Emerson Electric Inc. | 1.0% | 0.0% | held |
| VALIDUS HOLDINGS LTD no ticker | 1.0% | +0.9% | added |
| TRV TRAVELERS COMPANIES INC | 0.9% | – | new |
| Leucadia National no ticker | 0.9% | 0.0% | held |
| WHITE MTNS INS GROUP LTD no ticker | 0.9% | 0.0% | held |
| CNA CNA FINL CORP | 0.7% | 0.0% | held |
| BMY BRISTOL-MYERS SQUIBB CO | 0.7% | 0.0% | held |
| CB CHUBB CORP | 0.6% | 0.0% | held |
| RDS/A ROYAL DUTCH SHELL PLC | 0.6% | 0.0% | held |
| VICAL INC no ticker | 0.6% | +5.9% | added |
| WMT WALMART INC | 0.6% | – | new |
| PFE PFIZER INC | 0.5% | – | new |
| ABT ABBOTT LABORATORIES | 0.4% | 0.0% | held |
| PG PROCTER & GAMBLE CO | 0.3% | 0.0% | held |
| MEAD JOHNSON NUTRITION CO no ticker | 0.2% | – | new |
| GANNETT INC no ticker | 0.2% | −6.2% | reduced |
| COP CONOCOPHILLIPS | 0.2% | 0.0% | held |
| PEP PEPSICO INC | 0.2% | 0.0% | held |
| HONGBP HONEYWELL INTL INC | 0.1% | – | new |
| Motorola Incorporated no ticker | 0.1% | 0.0% | held |
Sector mix
Book over time
Every quarter on file (75)
| Quarter | Positions | Equity book |
|---|---|---|
| Q2 2026 | 50 | $885m |
| Q1 2026 | 44 | $837m |
| Q4 2025 | 39 | $870m |
| Q3 2025 | 38 | $801m |
| Q2 2025 | 37 | $711m |
| Q1 2025 | 36 | $620m |
| Q4 2024 | 37 | $560m |
| Q3 2024 | 37 | $592m |
| Q2 2024 | 39 | $559m |
| Q1 2024 | 36 | $547m |
| Q4 2023 | 35 | $478m |
| Q3 2023 | 33 | $417m |
| Q2 2023 | 33 | $423m |
| Q1 2023 | 34 | $391m |
| Q4 2022 | 33 | $367m |
| Q3 2022 | 34 | $331m |
| Q2 2022 | 32 | $338m |
| Q1 2022 | 32 | $393m |
| Q4 2021 | 33 | $321m |
| Q3 2021 | 38 | $309m |
| Q2 2021 | 36 | $301m |
| Q1 2021 | 30 | $265m |
| Q4 2020 | 30 | $229m |
| Q3 2020 | 27 | $195m |
| Q2 2020 | 27 | $177m |
| Q1 2020 | 27 | $159m |
| Q4 2019 | 28 | $186m |
| Q3 2019 | 28 | $175m |
| Q2 2019 | 27 | $169m |
| Q1 2019 | 28 | $163m |
| Q4 2018 | 28 | $156m |
| Q3 2018 | 29 | $173m |
| Q2 2018 | 29 | $160m |
| Q1 2018 | 26 | $144m |
| Q4 2017 | 26 | $134m |
| Q3 2017 | 26 | $135m |
| Q2 2017 | 28 | $130m |
| Q1 2017 | 28 | $134m |
| Q4 2016 | 28 | $135m |
| Q3 2016 | 30 | $138m |
| Q2 2016 | 30 | $138m |
| Q1 2016 | 30 | $139m |
| Q4 2015 | 32 | $143m |
| Q3 2015 | 31 | $143m |
| Q2 2015 | 31 | $149m |
| Q1 2015 | 31 | $154m |
| Q4 2014 | 30 | $157m |
| Q3 2014 | 30 | $163m |
| Q2 2014 | 29 | $170m |
| Q1 2014 | 30 | $174m |
| Q4 2013 | 31 | $176m |
| Q3 2013 | 30 | $169m |
| Q2 2013 | 30 | $169m |
| Q1 2013 | 22 | $111m |
| Q4 2012 | 22 | $104m |
| Q3 2012 | 25 | $109m |
| Q2 2012 | 30 | $109m |
| Q1 2012 | 31 | $114m |
| Q4 2011 | 30 | $110m |
| Q3 2011 | 30 | $98.5m |
| Q2 2011 | 28 | $97.5m |
| Q1 2011 | 31 | $105m |
| Q4 2010 | 41 | $146m |
| Q3 2010 | 31 | $93.2m |
| Q2 2010 | 30 | $86.7m |
| Q1 2010 | 29 | $86.4m |
| Q4 2009 | 30 | $80.6m |
| Q3 2009 | 33 | $80.2m |
| Q2 2009 | 32 | $71.1m |
| Q1 2009 | 33 | $66.0m |
| Q4 2008 | 37 | $81.4m |
| Q3 2008 | 38 | $96.8m |
| Q2 2008 | 44 | $102m |
| Q1 2008 | 44 | $106m |
| Q4 2007 | 47 | $106m |
Where Semper Augustus (Chris Bloomstran) was early
| PM PHILIP MORRIS INTL INC | Q2 2008 | 14 of 169 | 0.3% | Held at last filing, Q2 2026 | +266% |
| MRK MERCK & CO INC | Q1 2010 | 1 of 195 | 5.9% | Held at last filing, Q2 2026 | +261% |
| SNY SANOFI | Q4 2010 | 2 of 109 | 1.8% | Exited by Q4 2018 | +39% |
| TRV TRAVELERS COMPANIES INC | Q4 2010 | 2 of 113 | 0.9% | Held at last filing, Q2 2026 | +493% |
| BRK/A BERKSHIRE HATHAWAY INC DEL | Q4 2010 | 6 of 61 | 7.1% | Held at last filing, Q2 2026 | +522% |
| BRK/B BERKSHIRE HATHAWAY INC DEL | Q4 2010 | 8 of 180 | 13.2% | Held at last filing, Q2 2026 | +525% |
| MSFT MICROSOFT CORP | Q4 2010 | 9 of 374 | 4.8% | Held at last filing, Q2 2026 | +1237% |
| TGT TARGET CORP | Q1 2011 | 13 of 191 | 0.9% | Exited by Q2 2012 | +17% |
| PAYX PAYCHEX INC | Q3 2011 | 2 of 126 | 1.3% | Held at last filing, Q2 2026 | +273% |
| MMM 3M CO | Q3 2011 | 8 of 165 | 1.1% | Exited by Q4 2013 | +66% |
| AXP AMERICAN EXPRESS CO | Q1 2015 | 15 of 194 | 1.2% | Held at last filing, Q2 2026 | +333% |
| HXL HEXCEL CORP NEW | Q2 2016 | 4 of 125 | 2.5% | Exited by Q2 2023 | +64% |
| SMHI SEACOR MARINE HLDGS INC | Q2 2017 | 1 of 44 | 1.3% | Held at last filing, Q2 2026 | −62% |
| EQNR EQUINOR ASA | Q2 2018 | 1 of 82 | 1.8% | Held at last filing, Q2 2026 | +19% |
| CMI CUMMINS INC | Q3 2018 | 13 of 155 | 2.5% | Held at last filing, Q2 2026 | +388% |
| SWKS SKYWORKS SOLUTIONS INC | Q1 2019 | 9 of 154 | 3.0% | Exited by Q1 2020 | +47% |
| GPC GENUINE PARTS CO | Q1 2020 | 4 of 131 | 1.3% | Exited by Q2 2021 | +72% |
| ALK ALASKA AIR GROUP INC | Q1 2020 | 12 of 140 | 1.7% | Held at last filing, Q2 2026 | +83% |
| DINO HF SINCLAIR CORP | Q1 2022 | 5 of 122 | 2.8% | Held at last filing, Q2 2026 | +75% |
Concentration and tenure
- 19.2%
- Median largest position, all quarters The largest single position as a share of the reported equity book.
- 74.3%
- Median top 10 weight, all quarters The ten largest positions together, as a share of the reported equity book.
- Concentrated
- Style, by median largest position
- 5
- Median completed holding, quarters