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

> Institutional holdings reported to the SEC as of Q2 2026 on Form 13F. CIK 1349353. Source: https://holderbook.com/funds/1349353-united-american-securities-inc-d-b-a-uas-asset-management/

- Reported value: $464.1M
- Positions: 13
- Weight of the ten largest: 98.6%
- Filed: 2026-08-14

A 13F reports long US equity positions only. Short positions, bonds, foreign listings, private holdings and cash are not visible, so this is not the manager's whole book.

## Holdings

| Security | Ticker | Value | Shares | Weight | Quarters held |
|---|---|---|---|---|---|
| BERKSHIRE HATHAWAY INC DEL | [BRKB](https://holderbook.com/stocks/BRKB/) | $148.6M | 296,964 | 32.0% | 31 |
| AMAZON COM INC | [AMZN](https://holderbook.com/stocks/AMZN/) | $79.2M | 332,113 | 17.1% | 31 |
| ALPHABET INC | [GOOGL](https://holderbook.com/stocks/GOOGL/) | $63.6M | 178,077 | 13.7% | 5 |
| TAIWAN SEMICONDUCTOR MANUFAC | [TSM](https://holderbook.com/stocks/TSM/) | $60.3M | 126,214 | 13.0% | 4 |
| COSTCO WHOLESALE CORPORATION | [COST](https://holderbook.com/stocks/COST/) | $33.3M | 35,587 | 7.2% | 19 |
| NVIDIA CORPORATION | [NVDA](https://holderbook.com/stocks/NVDA/) | $20.9M | 104,240 | 4.5% | 6 |
| APPLE INC | [AAPL](https://holderbook.com/stocks/AAPL/) | $16.9M | 58,513 | 3.6% | 31 |
| MICROSOFT CORP | [MSFT](https://holderbook.com/stocks/MSFT/) | $13.6M | 36,466 | 2.9% | 31 |
| META PLATFORMS INC | [META](https://holderbook.com/stocks/META/) | $12.2M | 21,609 | 2.6% | 10 |
| SPACE EXPLORATION TECHN CORP | [SPCX](https://holderbook.com/stocks/SPCX/) | $9.2M | 53,865 | 2.0% | 1 |
| ELI LILLY & CO | [LLY](https://holderbook.com/stocks/LLY/) | $5.0M | 4,200 | 1.1% | 1 |
| BERKSHIRE HATHAWAY INC DEL | [BRKA](https://holderbook.com/stocks/BRKA/) | $748.9K | 1 | 0.2% | 31 |
| AIRBNB INC | [ABNB](https://holderbook.com/stocks/ABNB/) | $572.4K | 4,000 | 0.1% | 1 |

## What the disclosed book did

Not the fund's return. This is the change in value of the positions disclosed on Form 13F, had they been left untouched, against SPY over the same quarter ends.

| Quarter | Book | Market | Difference | Priced |
|---|---|---|---|---|
| Q2 2026 | +9.4% | +14.8% | -5.5% | 100% |
| Q1 2026 | -6.4% | -4.6% | -1.8% | 100% |
| Q4 2025 | +0.4% | +2.4% | -2.0% | 100% |
| Q3 2025 | +3.0% | +7.8% | -4.8% | 100% |
| Q2 2025 | +7.3% | +10.5% | -3.2% | 100% |
| Q1 2025 | +0.3% | -4.6% | +4.9% | 100% |
| Q4 2024 | +3.1% | +2.1% | +1.0% | 100% |
| Q3 2024 | +4.5% | +5.4% | -0.9% | 100% |

## Quarter by quarter

| Quarter | Value | Positions |
|---|---|---|
| Q2 2026 | $464.1M | 13 |
| Q1 2026 | $458.3M | 11 |
| Q4 2025 | $474.2M | 16 |
| Q3 2025 | $472.6M | 14 |
| Q2 2025 | $463.5M | 15 |
| Q1 2025 | $415.7M | 11 |
| Q4 2024 | $414.7M | 15 |
| Q3 2024 | $411.8M | 11 |
| Q2 2024 | $417.5M | 17 |
| Q1 2024 | $374.1M | 15 |
| Q4 2023 | $393.5M | 20 |
| Q3 2023 | $327.1M | 12 |