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.

As the year draws to an end, let's take a look at how Warren Buffett's Berkshire Hathaway has changed its holdings in 2024.

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.

In the second quarter of 2024, Buffett again bought more shares of Chubb, Occidental, the two Liberty Media Sirius XM tracking stocks, and Sirius XM. He also initiated new positions in aerospace and electronics company Heico and cosmetics retailer Ulta Beauty.

Warren Buffett had a busy year in 2024. The 94-year-old CEO of Berkshire Hathaway sold a lot of stocks, built up a huge cash pile, and updated his plans for giving away his money after he dies. In February,

There's one laggard in the Berkshire Hathaway portfolio that can turn things around this year. Bonus: It also happens to come with a 4.7% yield.