The new year can be a time to reevaluate your portfolio. Did you buy too many high-risk stocks that did poorly in 2024? Now is the perfect time to switch things up and build a durable portfolio that can sustain and grow your wealth over the long haul.

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.

S&P 500 investors are playing it safer in 2025 — so Warren Buffett's careful stock-picking is in style again.

One of those value plays is Kraft Heinz ( KHC 0.72%), which trades at just 9 times forward earnings and pays a hefty forward dividend yield of 5.5%. Buffett gained 326 million shares of Kraft Heinz in 2015 after driving Kraft Foods to merge with H.J. Heinz, and he hasn't ever sold a single share.

The selloff spree has seen Berkshire Hathaway’s cash pile swell to over $325 billion, with more than $288 billion invested in Treasuries. The adjustments come amid growing concerns that the stock market has become pricey, making it difficult to find anything of value to buy at discounted valuations.

Warren Buffett is one of the better-known and successful investors. Despite being a long-held position of Berkshire and a globally known iconic brand, the company's growth track and financials indicate it is not likely to serve new investors as well as it did Buffett and his team.

Buffett ended 2024 by making some big moves, even with his long-held stocks. Should you be reviewing your own portfolio positions?