| Amount | Holding | 
|---|---|
| 8.59% | Berkshire Hathaway Inc B | 
| 7.39% | Microsoft Corp | 
| 5.44% | Alphabet Inc Class C | 
| 5.44% | Apple Inc | 
| 5.31% | Amazon.com Inc | 
| 5.20% | Facebook Inc A | 
| 3.85% | Salesforce.com Inc | 
| 3.37% | Johnson & Johnson | 
| 3.03% | Comcast Corp Class A | 
| 2.81% | Bank of America Corp |