Since launching a new stake in the U.S. oil producer Occidental Petroleum ( OXY -2.09%), Berkshire has bought the stock like there is no tomorrow. Occidental is the sixth-largest position in Berkshire's portfolio, and Berkshire now owns over 28% of outstanding shares.

Warren Buffett, the legendary investor known as the "Oracle of Omaha," continues to make waves in the financial world even as he approaches his mid-90s. His company, Berkshire Hathaway, has been

Warren Buffett’s Berkshire Hathaway owns a diverse portfolio of 44 stocks worth $297 billion. Wall Street analysts believe three of these stocks could deliver significant returns for shareholders in 2025.

Berkshire's top income producers this year will almost certainly be Bank of America, Coca-Cola, and Chevron. American Express and Apple should also generate significant dividend income for Buffett's company.

Buffett invested in Heinz in 2013 and two years later, Heinz merged with Kraft Foods. He bought 326 million shares during this merger at a cost of around $24.6 billion. He has held on to that stake, which is now worth $11.4 billion.

Warren Buffett, one of the world's most successful investors, continues to shape the investment landscape through Berkshire

If you know anything about Warren Buffett, you probably greatly admire how he has increased the value of his company, Berkshire Hathaway, by an annual average of nearly 20% over close to 60 years. Buffett has bought many great companies outright and has invested in the stock of other companies.

Warren Buffett is set to benefit from a sizable increase in dividend income following American Express announcing a 17% dividend hike.

These three top Warren Buffett stock picks have the potential to offer passive income investors a lifetime of reliable dividends.