10x Insights
Loading account…
CB

Chris Bloomstran

Semper Augustus Investments Group13F filer
Concentrated quality value — as the firm describes itselfPortfolio as of Jun 30, 2026Filed Aug 14, 2026
Quarter ended Jun 30, 2026, from the 13F filed Aug 14, 2026Changes are against the quarter ended Mar 31, 2026U.S.-listed shares only — no bonds, cash, shorts or foreign listings
Portfolio value
$884.60M
As reported, at quarter-end prices
Positions
50
U.S.-listed companies held
7 new · 1 exited this quarter
Concentration
79%in the top 10
Weight held in the ten largest positions
This quarter
12added · 13trimmed
Positions resized since the prior quarter

What changed this quarter

Jun 30, 2026 vs Mar 31, 2026
See which positions were opened, increased, reduced or closed—and how large those positions are now.
24 of 33 reported changes are available in this view.
CompanyReported moveChange in sharesPortfolio weight now
New positionNot held in prior quarter2.35%
New positionNot held in prior quarter2.12%
New positionNot held in prior quarter1.65%
New positionNot held in prior quarter0.03%
New positionNot held in prior quarter0.02%
New positionNot held in prior quarter0.02%
New positionNot held in prior quarter0.02%
FLEX LTDFLEX
Sold outPosition closedNo longer held
Added to
+142.6%
5.60%
Added to
+8.0%
15.45%
Showing 1–10 of 33 changes · Share classes count separatelyBars: square-root scale · Percentages shown · — unavailable
Changes compare reported share counts at quarter-end. The filing does not tell us when trades happened or why the investor made them.

Portfolio

% of the reported portfolio · tags are this quarter’s reported move
TickerIssuer% of portfolioReported priceValueShares
BRK/BBERKSHIRE HATHAWAY INC DEL· CL B NEWINCREASED +8.0%15.45%$500.39$136.68M273.1K
ALKALASKA AIR GROUP INCINCREASED +5.8%10.58%$52.20$93.63M1.8M
BRK/ABERKSHIRE HATHAWAY INC DEL· CL AINCREASED +3.4%10.16%$748,850.00$89.86M120
DGDOLLAR GEN CORP NEWINCREASED +2.6%8.66%$115.11$76.58M665.3K
DECKDECKERS OUTDOOR CORPINCREASED +1.4%7.52%$99.29$66.54M670.2K
DLTRDOLLAR TREE INCINCREASED +3.2%7.25%$120.95$64.12M530.1K
BLDRBUILDERS FIRSTSOURCE INCINCREASED +142.6%5.60%$89.48$49.55M553.7K
OLNOLIN CORP· COM PAR $1INCREASED +6.1%4.83%$19.82$42.69M2.2M
NEMNEWMONT CORPDECREASED -6.7%4.72%$93.40$41.77M447.2K
KGCKINROSS GOLD CORPORATIONINCREASED +2.7%4.14%$23.62$36.59M1.5M
Showing 1–10 of 50 · the top 10 are 78.9% of the reported portfolioEach row opens the company · how we read 13F filings

Reported price is this manager's own reported value divided by its own reported shares at 2026-06-30 — not a live quote, and not what they paid. 13F reports no cost basis.

All 50 positions, with reported prices and share counts, open with a free account.
Connected research

Follow this portfolio through time.

Compare reported holdings across quarters and explore the businesses behind them with your connected AI:

  • What has Chris Bloomstran been buying over the last year, quarter by quarter?
  • Which of my funds already hold what Semper Augustus Investments Group holds — and how much overlap is that?
  • Which other superinvestors moved the same way this quarter?
See how it works →All research tools with a subscription. Use your own AI account.