Warren Buffett has led investment management firm Berkshire Hathaway since 1965. Over the last several decades, Buffett and his close-knit team consistently outperformed the S&P 500 -- turning Berkshire Hathaway into one of the most successful portfolio management firms in history.

The roughly $78 billion the Oracle of Omaha has spent buying this stock since mid-2018 decisively signals it's his favorite.

Warren Buffett's surprising investment priority that keeps him winning in any market — and why it could work for you too.

Buffett's financial stocks include major holdings such as American Express and Bank of America. Jefferies Financial has been his biggest winner recently, while Ally Financial is the cheapest and offers the juiciest dividend.

Despite Berkshire shares rising 25.5% in 2024, beating the S&P 500, the stock might have performed even better if Buffett made a few different investment decisions. Specifically,

While it won't make you a billionaire overnight, following these 5 principles can lead to better long-term investments.

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.