Christopher Bloomstran Semper Augustus Investments Group
Christopher Bloomstran is the president of Semper Augustus Investments Group, a value-oriented firm with a multi-decade focus on capital preservation and thoughtful security selection. He is known for detailed annual letters that discuss portfolio construction, accounting quality, and long-term ownership of businesses such as Berkshire Hathaway. Bloomstran’s work is popular among investors who prefer process transparency over short-term trading narratives.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Alaska Air
ALK
|
+$62M |
| 2 |
Builders FirstSource
BLDR
|
+$24.4M |
| 3 |
Deckers Outdoor
DECK
|
+$2.29M |
| 4 |
Olin
OLN
|
+$2.1M |
| 5 |
Berkshire Hathaway Class B
BRK.B
|
+$1.87M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Dollar General
DG
|
+$39.6M |
| 2 |
Valero Energy
VLO
|
+$31.9M |
| 3 |
Newmont
NEM
|
+$21.2M |
| 4 |
Kinross Gold
KGC
|
+$19.8M |
| 5 |
Five Below
FIVE
|
+$15.2M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Financials | 25.29% |
| 2 | Materials | 18.9% |
| 3 | Consumer Staples | 16.48% |
| 4 | Consumer Discretionary | 15.85% |
| 5 | Industrials | 12.93% |
Similar funds
Christopher Bloomstran's Q1 2026 Portfolio in Review
As of Q1 2026, Christopher Bloomstran held 45 positions worth $837M, down 3.7% from $870M the previous quarter. Its ten largest holdings account for 80% of the portfolio.
Christopher Bloomstran withdrew a net $44.4M in Q1 2026, closing 1 position and reducing 13 holdings. Its most notable exit was Ovintiv, an estimated $646K position sold in full.
By sector, the portfolio is most concentrated in Financials at 25% of assets, down from 25% a quarter earlier, followed by Materials and Consumer Staples.
Against the trend, Christopher Bloomstran opened a new position in Builders FirstSource worth $18.8M.
- Christopher Bloomstran's largest Q1 2026 buy was Builders FirstSource: 228,210 shares worth $18.8M.
- Christopher Bloomstran added most to Alaska Air in Q1 2026, an estimated $62M increase.
- Christopher Bloomstran's biggest Q1 2026 reduction was Dollar General, cutting an estimated $39.6M.
- Christopher Bloomstran fully exited Ovintiv in Q1 2026, selling an estimated $646K.
- Christopher Bloomstran's ten largest holdings make up 80% of its $837M portfolio in Q1 2026.
- Christopher Bloomstran opened 6 new positions and closed 1 in Q1 2026.
- Christopher Bloomstran's portfolio value fell 3.7% quarter-over-quarter to $837M.
Based on Semper Augustus Investments Group's 13F filing for Q1 2026, filed 15 May 2026.