13FBOX
United American Securities Inc. (d/b/a UAS Asset Management) · 13F Holdings
Options Calculator Rankings

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

No.4454 Data as of 2026Q2
Latest AUM (Q2 2026)
$464.1M
QoQ Change Q1 2026
+$5.8M+1.3%
Holdings
13
New Buys
3
Adds
2
Reduces
7
Exits
1
Unchanged
1
Holdings Value Trend
Holdings by Sector
Stock Ownership TrendPortfolio %Prev Q %Q2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
BERKSHIRE HATHAWAY INC DELBRK.B
32.02%31.97%$148.6M296,964$146.5M305,787-8,823-2.89%Reduce
AMAZON COM INCAMZN
17.06%15.19%$79.2M332,113$69.6M334,201-2,088-0.62%Reduce
ALPHABET INCGOOGL
13.71%11.96%$63.6M178,077$54.8M190,573-12,496-6.56%Reduce
TAIWAN SEMICONDUCTOR MANUFACTSM
12.99%6.08%$60.3M126,214$27.9M82,433+43,781+53.11%Add
COSTCO WHOLESALE CORPORATIONCOST
7.17%8.12%$33.3M35,587$37.2M37,339-1,752-4.69%Reduce
NVIDIA CORPORATIONNVDA
4.49%2.03%$20.9M104,240$9.3M53,300+50,940+95.57%Add
APPLE INCAAPL
3.65%3.96%$16.9M58,513$18.2M71,545-13,032-18.22%Reduce
MICROSOFT CORPMSFT
2.93%11.08%$13.6M36,466$50.8M137,237-100,771-73.43%Reduce
META PLATFORMS INCMETA
2.62%8.78%$12.2M21,609$40.2M70,315-48,706-69.27%Reduce
SSPACE EXPLORATION TECHN CORPSPCX
1.98%$9.2M53,865$00+53,865New Buy
ELI LILLY & COLLY
1.09%$5.0M4,200$00+4,200New Buy
BERKSHIRE HATHAWAY INC CL ABRK.A
0.16%0.16%$748,8501$718,140100.00%Unchanged
AIRBNB INC COM CL AABNB
0.12%$572,4004,000$00+4,000New Buy

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow