Warren Buffett is a big fan of portfolio concentration and placing large wagers on his best ideas. Kicking off 2025, roughly 80% ($238 billion) of the $297 billion portfolio Buffett is overseeing at Berkshire is invested in just nine unstoppable stocks.

Warren Buffett is one of the most well-known investors in the world. The billionaire CEO of Berkshire Hathaway has an enviable track record of outperforming the S&P 500 index and is fond of

Warren Buffett is known for his investing success, generating market-beating returns over the long run. As chairman, he's helped Berkshire Hathaway deliver a compounded annual gain of more than 19% over 58 years -- that's as the S&P 500 posted a compounded increase of about 10% during that period.

Berkshire Hathaway (NYSE: BRK.A)(NYSE: BRK.B) owns about 45 stocks in its $300 billion portfolio, many of which were hand-selected by CEO and legendary investor Warren Buffett himself. While there's a solid case to be made in favor of pretty much every stock Berkshire owns,

Warren Buffett's Berkshire Hathaway owns one of the world's most closely watched stock portfolios. It holds stakes in 46 stocks and exchange-traded funds that are worth $296.8 billion, or 30% of its entire market capitalization.

The Berkshire Hathaway chief sticks to a winning investing formula, but he does not sit still.