United American Securities Inc. (d/b/a UAS Asset Management) - Stock Holdings in 13F Filings (SEC)

Updated on March 15, 2026.

Based on 13F Filings filed with the SEC on February 17, 2026, for the 2025 Q4 period, United American Securities Inc. (d/b/a UAS Asset Management) held in its portfolio 16 assets valued at $474,169,524 (i.e. $474.17M).

The most valuable assets in the portfolio included: BERKSHIRE HATHAWAY INC DEL ($155.77M), AMAZON COM INC ($71.49M), and MICROSOFT CORP ($58.89M).

The chart below shows the top 10 valuable assets, and the table below shows the top 16 valuable assets.

You can see similar for other investment managers.

Related Topics: SEC Topic List.

Data Source: SEC.

Top Valuable Stocks in United American Securities Inc. (d/b/a UAS Asset Management) Portfolio

BERKSHIRE HATHAWAY INC DEL

AMAZON COM INC

MICROSOFT CORP

ALPHABET INC

COSTCO WHOLESALE CORP NEW

NVIDIA CORP

META PLATFORMS INC

APPLE INC

JOHNSON & JOHNSON

TAIWAN SEMICONDUCTOR MFG LTD

United American Securities Inc. (d/b/a UAS Asset Management) - Stock Holdings in 13F Filings (SEC)

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Name of Issuer	No. of Shares	Value ($)	Class
BERKSHIRE HATHAWAY INC DEL	309900	155771235	CL B NEW
AMAZON COM INC	309715	71488416	COM
MICROSOFT CORP	121764	58887506	COM
ALPHABET INC	187132	58572316	CAP STK CL A
COSTCO WHOLESALE CORP NEW	37625	32445542	COM
NVIDIA CORP	142517	26579420	COM
META PLATFORMS INC	28165	18591435	CL A
APPLE INC	60382	16415451	COM
JOHNSON & JOHNSON	70650	14621017	COM
TAIWAN SEMICONDUCTOR MFG LTD	40746	12382302	SPONSORED ADS
LILLY ELI & CO	2700	2901636	COM
FACTSET RESH SYS INC	7500	2176425	COM
PDD HOLDINGS INC	15000	1700850	SPONSORED ADS
BERKSHIRE HATHAWAY INC DEL	1	754800	CL A
TESLA INC	1000	449720	COM
JPMORGAN CHASE & CO	1339	431453	COM