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United American Securities Inc. (d/b/a UAS Asset Management)
Period ended Jun 30, 2026 · Latest filing Aug 14, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Jun 30, 2026: $464,085,212
More quarters will appear as history becomes available.
Top holdings
Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- BERKSHIRE HATHAWAY INC DEL · CL B NEW · 084670702 · shares: $148,597,816
- AMAZON COM INC · COM · 023135106 · shares: $79,155,812
- ALPHABET INC · CAP STK CL A · 02079K305 · shares: $63,639,378
- TAIWAN SEMICONDUCTOR MANUFAC · SPONSORED ADS · 874039100 · shares: $60,276,020
- COSTCO WHOLESALE CORPORATION · COM · 22160K105 · shares: $33,290,571
- NVIDIA CORPORATION · COM · 67066G104 · shares: $20,857,382
- APPLE INC · COM · 037833100 · shares: $16,931,321
- MICROSOFT CORP · COM · 594918104 · shares: $13,602,548
- META PLATFORMS INC · CL A · 30303M102 · shares: $12,172,134
- SPACE EXPLORATION TECHN CORP · CLASS A COM STK · 84615Q103 · shares: $9,203,374
Reported holdings
22 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | — | 256,964 shares | $128,582,216 |
| AMAZON COM INC | COM | 023135106 | — | 247,113 shares | $58,896,912 |
| ALPHABET INC | CAP STK CL A | 02079K305 | — | 128,077 shares | $45,770,878 |
| TAIWAN SEMICONDUCTOR MANUFAC | SPONSORED ADS | 874039100 | — | 77,214 shares | $36,875,090 |
| COSTCO WHOLESALE CORPORATION | COM | 22160K105 | — | 35,587 shares | $33,290,571 |
| TAIWAN SEMICONDUCTOR MANUFAC | SPONSORED ADS | 874039100 | — | 49,000 shares | $23,400,930 |
| AMAZON COM INC | COM | 023135106 | — | 85,000 shares | $20,258,900 |
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 | — | 40,000 shares | $20,015,600 |
| ALPHABET INC | CAP STK CL A | 02079K305 | — | 50,000 shares | $17,868,500 |
| NVIDIA CORPORATION | COM | 67066G104 | — | 89,240 shares | $17,856,032 |
| APPLE INC | COM | 037833100 | — | 58,513 shares | $16,931,321 |
| MICROSOFT CORP | COM | 594918104 | — | 21,466 shares | $8,007,248 |
| SPACE EXPLORATION TECHN CORP | CLASS A COM STK | 84615Q103 | — | 41,365 shares | $7,067,624 |
| META PLATFORMS INC | CL A | 30303M102 | — | 11,609 shares | $6,539,234 |
| META PLATFORMS INC | CL A | 30303M102 | — | 10,000 shares | $5,632,900 |
| MICROSOFT CORP | COM | 594918104 | — | 15,000 shares | $5,595,300 |
| ELI LILLY & CO | COM | 532457108 | — | 4,000 shares | $4,797,720 |
| NVIDIA CORPORATION | COM | 67066G104 | — | 15,000 shares | $3,001,350 |
| SPACE EXPLORATION TECHN CORP | CLASS A COM STK | 84615Q103 | — | 12,500 shares | $2,135,750 |
| BERKSHIRE HATHAWAY INC DEL | CL A | 084670108 | — | 1 shares | $748,850 |
| AIRBNB INC | COM CL A | 009066101 | — | 4,000 shares | $572,400 |
| ELI LILLY & CO | COM | 532457108 | — | 200 shares | $239,886 |