Semper Augustus
Latest filing: 7 new · 10 added · 10 trimmed · 1 sold outLargest: BRK-B 15.5%
For information only · Important disclosures · Request a correction or removal
Christopher Bloomstran. Mirrors the latest 13F: long U.S. stock positions weighted by reported market value.
Live since inception vs SPY
Published and tracked from Oct 1, 2025 close
Look-back Backtested
Hypothetical: today's weights held unchanged over each past period. Not the portfolio's actual history.
If you had copied on filing dates Backtested
Hypothetical: each quarter's reported holdings bought at the close on the day the 13F was filed (not quarter-end) and kept until the next filing. Before costs.
| Since | Copy | SPY |
|---|---|---|
| 2024-11-14 | +50.2% | +31.0% |
| 2025-02-14 | +45.6% | +27.1% |
| 2025-05-15 | +39.2% | +30.8% |
| 2025-08-15 | +25.3% | +19.7% |
| 2025-11-14 | +18.7% | +14.3% |
| 2026-02-17 | -2.1% | +12.2% |
| 2026-05-15 | +4.9% | +3.3% |
| 2026-08-14 | -3.3% | -1.9% |
Semper Augustus · Allocation Pie
50 positions · 100%Interactive weighting by individual position or sector/asset sleeve
Holdings (50)
BRK-B Berkshire Hathaway
15.5%
+1.2% today
ALK Alaska Air Group
10.6%
+1.6% today
BRK-A Berkshire Hathaway Inc.
10.2%
+1.0% today
DG Dollar General
8.7%
-3.2% today
DECK Deckers Brands
7.5%
-0.9% today
DLTR Dollar Tree
7.2%
-0.3% today
BLDR Builders FirstSource, Inc.
5.6%
-1.1% today
OLN Olin Corporation
4.8%
+1.8% today
NEM Newmont
4.7%
+1.4% today
KGC
4.1%
+0.3% today
PAYX Paychex
2.4%
-0.6% today
FIVE Five Below
2.1%
-1.2% today
SPGI S&P Global
2.1%
+0.1% today
DINO HF Sinclair
2.0%
-8.8% today
DIS Walt Disney Company (The)
1.7%
-1.9% today
CTSH Cognizant
1.7%
-1.7% today
VLO Valero Energy
1.1%
-9.2% today
CMI Cummins
1.0%
+0.9% today
XOM ExxonMobil
0.9%
+0.7% today
SKYD Skydance Corporation
0.7%
-3.6% today
TRV Travelers Companies (The)
0.7%
+0.5% today
MRK Merck & Co.
0.6%
-3.2% today
EQNR
0.6%
-1.5% today
SBUX Starbucks
0.5%
+1.9% today
GE GE Aerospace
0.4%
+1.0% today
Top 25 of 50 holdings by weight. Full 13F filing on SEC EDGAR ↗
Changes vs prior quarter
BRK-B Berkshire Hathaway Inc DelAdded+8%ALK Alaska Air Group IncAdded+6%BRK-A Berkshire Hathaway Inc DelAdded+3%DG Dollar Gen CorpAdded+3%DLTR Dollar Tree IncAdded+3%BLDR Builders Firstsource IncAdded+143%OLN Olin CorpAdded+6%NEM Newmont CorpTrimmed-7%KGC Kinross Gold CorpAdded+3%PAYX Paychex IncNewFIVE Five Below IncTrimmed-45%SPGI S&P Global IncNewDINO Hf Sinclair CorpTrimmed-30%DIS Disney Walt CoAdded+5%CTSH Cognizant Technology SolutioNewVLO Valero Energy CorpTrimmed-14%CMI Cummins IncTrimmed-67%EQNR Equinor AsaTrimmed-8%SBUX Starbucks CorpTrimmed-82%
NXPI Nxp Semiconductors N VTrimmed-41%
AAPL Apple IncAdded+12%
AXP American Express CoTrimmed-4%
SGOV Ishares TrTrimmed-14%
MSFT Microsoft CorpNew
MCHP Microchip Technology Inc.NewThe 25 largest of 28 changes, by current weight (full exits listed last). Full 13F filing on SEC EDGAR ↗
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Systematic research · Not investment advice · Hypothetical unless marked Live · Data: Yahoo Finance (15-min delayed), SEC EDGAR, House Clerk · Important disclosures · Contact desk@coteau.app
Coteau 0.9 · Oct 21, 2026