2. BYD: In 2008, Buffett bought 225 million BYD H shares at a price of about HK$ 8 per share, with a total cost of HK$ 654.38+08 billion, and held it for more than ten years. BYD's market value has reached nearly $6 billion, accounting for 8.2% of Berkshire's share capital, and its value has increased by nearly 25 times.
3. PetroChina: In 2003, Buffett bought H shares of China Petroleum at a price of HK$ 1.6 per share, and finally held 2.34 billion shares, becoming the second largest shareholder with a total expenditure of US$ 488 million.
4. Western Oil: In 2023, Buffett increased his holdings of Western Oil Company and continued to increase his positions.
5. ConocoPhillips: Buffett bought ConocoPhillips when the oil price was low, and he "lost money" twice when he invested in ConocoPhillips.
6.Philip 66: Buffett bought Philip 66 when the oil price was low, and he "lost" twice when investing in ConocoPhillips.