SEC Form 13F

United American Securities Inc. (d/b/a UAS Asset Management) 13F Holdings

Inspect United American Securities Inc. (d/b/a UAS Asset Management)'s 2026-06-30 SEC 13F positions, public filing date, amendments and original receipt.

As of 2026-08-15T03:59:59.999Z

Report period
2026-06-30
Publicly available
2026-08-15
Reported value
$464,085,212
Positions
13

Disclosed positions

BERKSHIRE HATHAWAY INC DELBRK.BCL B NEW$148,597,816296,964SHNone
AMAZON COM INCAMZNCOM$79,155,812332,113SHNone
ALPHABET INCGOOGLCAP STK CL A$63,639,378178,077SHNone
TAIWAN SEMICONDUCTOR MANUFACTSMSPONSORED ADS$60,276,020126,214SHNone
COSTCO WHOLESALE CORPORATIONCOSTCOM$33,290,57135,587SHNone
NVIDIA CORPORATIONNVDACOM$20,857,382104,240SHNone
APPLE INCAAPLCOM$16,931,32158,513SHNone
MICROSOFT CORPMSFTCOM$13,602,54836,466SHNone
META PLATFORMS INCMETACL A$12,172,13421,609SHNone
SPACE EXPLORATION TECHN CORPSPCXCLASS A COM STK$9,203,37453,865SHNone
ELI LILLY & COLLYCOM$5,037,6064,200SHNone
BERKSHIRE HATHAWAY INC DELBRK.ACL A$748,8501SHNone
AIRBNB INCABNBCOM CL A$572,4004,000SHNone

Largest 50 positions by reported value; the filing may contain more positions.

How amendments affect these holdings

This view uses 1 effective filing version(s). A restatement replaces the previous book; a new-holdings amendment adds positions. 0 positions lack a resolved ticker and 0 positions are put or call entries.

A 13F is a delayed quarterly snapshot of disclosed holdings. It is not a complete trade ledger and does not reveal every position in a manager's portfolio. Option values refer to the reported underlying position rather than a traded option premium.

Quarter end and public filing date

Use the filing's public availability date when constructing a historical observation. The quarter-end report period is earlier and cannot be substituted for when the public learned the holdings.