account_balance
Investment manager · 13F filer · SEC CIK 1349353
United American Securities Inc. (d/b/a UAS Asset Management)
Reported value$463Mas of Sep 30, 2026
Positions13 0 new, 0 sold out
Top 10 weight99.3%BRK-B alone is 30%
FiledNov 1344 days after quarter end
Portfolio · as of Sep 30, 2026
Where the money is
New or addedTrimmedHeld
BRK-BBerkshire Hathaway Inc
30.0%Trimmed −6%
AMZNAmazon.com Inc
14.9%Trimmed −17%
GOOGLAlphabet Inc.
14.4%Added +9%
TSMTaiwan Semiconductor Manufacturing Co Ltd
10.7%Trimmed −14%
NVDANVIDIA Corp
10.7%Added +108%
SPCXSpace Exploration Technologies Corp
6.8%Added +287%
COSTCostco Wholesale Corp
6.5%Trimmed −6%
AAPLApple Inc.
4.0%Trimmed −6%
LLY0.9%BRK-BBerkshire Hathaway Inc
30.0%Trimmed −6%
AMZNAmazon.com Inc
14.9%
GOOGLAlphabet Inc.
14.4%Added +9%
TSMTaiwan Semiconductor Manufacturing Co Ltd
10.7%Trimmed −14%
NVDANVIDIA Corp
10.7%
SPCX6.8%COSTCostco Wholesale Corp
6.5%
AAPL4.0%LLYBoxes show the top 12 stocks, sized against each other. The bar above shows how much of the fund they are. 13F only covers US-listed stocks, so foreign holdings and short positions are missing.
Show the top 12 as a list
BRK-B Berkshire Hathaway Inc 30.0% Trimmed −6%AMZN Amazon.com Inc 14.9% Trimmed −17%GOOGL Alphabet Inc. 14.4% Added +9%TSM Taiwan Semiconductor Manufacturing Co Ltd 10.7% Trimmed −14%NVDA NVIDIA Corp 10.7% Added +108%SPCX Space Exploration Technologies Corp 6.8% Added +287%COST Costco Wholesale Corp 6.5% Trimmed −6%AAPL Apple Inc. 4.0% Trimmed −6%LLY ELI Lilly & Co 0.9% Trimmed −12%META Meta Platforms, Inc. 0.4% Trimmed −89%ABNB Airbnb, Inc. 0.3% Added +88%MSFT Microsoft Corp 0.3% Trimmed −94%
What changed
Biggest moves since Jun 30, 2026
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