Christopher Bloomstran portfolio: what Semper Augustus Investments holds
The manager of Semper Augustus, known for his extensive annual letters and his analysis of Berkshire Hathaway.
Stock portfolio value
$884.6M
Stock positions
50
Report date
30 June 2026
Filed
14 August 2026
Largest positions
| # | Company | Weight | Value | Last quarter |
|---|---|---|---|---|
| 1 | Berkshire Hathaway Inc Del (Cl B New)BRK.B | 15.5% | $136.7M | Added +8% |
| 2 | Alaska Air Group IncALK | 10.6% | $93.6M | Added +6% |
| 3 | Berkshire Hathaway Inc Del (Cl A)BRK.A | 10.2% | $89.9M | Added +3% |
| 4 | Dollar Gen CorpDG | 8.7% | $76.6M | Added +3% |
| 5 | Deckers Outdoor CorpDECK | 7.5% | $66.5M | Added +1% |
| 6 | Dollar Tree IncDLTR | 7.2% | $64.1M | Added +3% |
| 7 | Builders Firstsource IncBLDR | 5.6% | $49.5M | Added +143% |
| 8 | Olin CorpOLN | 4.8% | $42.7M | Added +6% |
| 9 | Newmont CorpNEM | 4.7% | $41.8M | Trimmed -7% |
| 10 | Kinross Gold CorpKGC | 4.1% | $36.6M | Added +3% |
| 11 | Paychex IncPAYX | 2.4% | $20.8M | New |
| 12 | Five Below IncFIVE | 2.1% | $19.0M | Trimmed -45% |
| 13 | S&P Global IncSPGI | 2.1% | $18.7M | New |
| 14 | Hf Sinclair CorpDINO | 2% | $17.6M | Trimmed -30% |
| 15 | Disney Walt CoDIS | 1.7% | $15.5M | Added +5% |
| 16 | Cognizant Technology SolutioCTSH | 1.7% | $14.6M | New |
| 17 | Valero Energy CorpVLO | 1.1% | $9.9M | Trimmed -14% |
| 18 | Cummins IncCMI | 1% | $9.3M | Trimmed -67% |
| 19 | Exxon Mobil CorpXOM | 0.9% | $7.8M | Trimmed -1% |
| 20 | Paramount Skydance CorpSKYD | 0.7% | $6.4M | Trimmed -1% |
New positions last quarter
- Paychex Inc$20.8M
- S&P Global Inc$18.7M
- Cognizant Technology Solutio$14.6M
- Microsoft Corp$239,106
- Microchip Technology Inc$220,522
- Sunbelt Rentals Holdings Inc$207,523
- Johnson & Johnson$201,652
Positions sold
- Flextronics Intl Ltd$293,588
Source: SEC filing. Values count stock positions only; options are left out of the totals and tables.
How to use this page
A 13F filing shows what a manager held on the last day of a quarter, published up to 45 days later. It is a snapshot, not a trading signal: the manager may already have bought or sold since. Learn more in How to read 13F filings.
For information only, not investment advice. 13F filings are delayed by up to 45 days and do not show cash, bonds, short positions or non-US stocks.