United American Securities Inc. (d/b/a UAS Asset Management) Quant / Systematic

CIK: 0001349353 · Show all filings

Period: Q1 2025 (← Previous) (Next →)

Filing Date: May 15, 2025

Total Value ($000): $415,718 (100.0% shares, 0.0% debt)

Holdings (11)

BRK/B BERKSHIRE HATHAWAY INC DEL 40.4%

Value ($000) $167,863 Shares 315,188 Est. Cost $199.82 Unrealized +143.3%

AMZN AMAZON COM INC 18.6%

Value ($000) $77,522 Shares 407,455 Est. Cost $141.23 Unrealized +53.6%

MSFT MICROSOFT CORP 10.7%

Value ($000) $44,418 Shares 118,324 Est. Cost $171.18 Unrealized +136.6%

COST COSTCO WHOLESALE CORP NEW 9.9%

Value ($000) $41,105 Shares 43,461 Est. Cost $564.11 Unrealized +72.1%

META META PLATFORMS INC 5.7%

Value ($000) $23,901 Shares 41,469 Est. Cost $471.94 Unrealized +36.3%

UBER UBER TECHNOLOGIES INC 4.3%

Value ($000) $17,794 Shares 244,220 Est. Cost $71.57 Unrealized +0.7%

TSM TAIWAN SEMICONDUCTOR MFG LTD 3.3%

Value ($000) $13,911 Shares 83,802 Est. Cost $155.08 Unrealized —

CB CHUBB LIMITED 3.3%

Value ($000) $13,901 Shares 46,031 Est. Cost $271.47 Unrealized +1.8%

AAPL APPLE INC 2.7%

Value ($000) $11,243 Shares 50,614 Est. Cost $118.06 Unrealized +95.5%

NVDA NVIDIA CORP 0.8%

Value ($000) $3,262 Shares 30,100 Est. Cost $126.71 Unrealized 0.0%

BRK/A BERKSHIRE HATHAWAY INC DEL 0.2%

Value ($000) $798 Shares 1 Est. Cost $165023.42 Unrealized +342.0%

Ticker	Issuer	Shares	Value ($000)	%	Est. Cost	Unrealized	Class	CUSIP
BRK/B	BERKSHIRE HATHAWAY INC DEL	315,188	$167,863	40.4%	$199.82	+143.3%	CL B NEW	084670702
AMZN	AMAZON COM INC	407,455	$77,522	18.6%	$141.23	+53.6%	COM	023135106
MSFT	MICROSOFT CORP	118,324	$44,418	10.7%	$171.18	+136.6%	COM	594918104
COST	COSTCO WHOLESALE CORP NEW	43,461	$41,105	9.9%	$564.11	+72.1%	COM	22160K105
META	META PLATFORMS INC	41,469	$23,901	5.7%	$471.94	+36.3%	CL A	30303M102
UBER	UBER TECHNOLOGIES INC	244,220	$17,794	4.3%	$71.57	+0.7%	COM	90353T100
TSM	TAIWAN SEMICONDUCTOR MFG LTD	83,802	$13,911	3.3%	$155.08	—	SPONSORED ADS	874039100
CB	CHUBB LIMITED	46,031	$13,901	3.3%	$271.47	+1.8%	COM	H1467J104
AAPL	APPLE INC	50,614	$11,243	2.7%	$118.06	+95.5%	COM	037833100
NVDA	NVIDIA CORP	30,100	$3,262	0.8%	$126.71	0.0%	COM	67066G104
BRK/A	BERKSHIRE HATHAWAY INC DEL	1	$798	0.2%	$165023.42	+342.0%	CL A	084670108