With as impressive of an investing track record as Warren Buffett has achieved, you'd expect his Berkshire Hathaway portfolio would be loaded with great stocks. Here are my picks for the best Buffett stocks to buy with less than $350 right now.

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

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.

Berkshire Hathaway (NYSE: BRK.A)(NYSE: BRK.B) owns shares of more than 40 different companies in its portfolio. After all, Warren Buffett and his team tend to invest in industry leaders with excellent cash flow and durable competitive advantages.

Buffett first invested in Verisign (NASDAQ: VRSN) in 2012, and at the time of this writing, the shares have gone on to increase by at least 325% since then. He continued to buy shares in 2013 and 2014, but it has been more than 10 years since he added to the position. Here's why he's coming back to Verisign now. Image source: The Motley Fool.

Diversification ranks among the most important components of many investment strategies. However, one of the world's greatest investors isn't gung ho about the idea. Warren Buffett once said, "Diversification is protection against ignorance.

Warren Buffett stock American Express is flashing a bullish signal after breaking out, with earnings due next week. American Express stock wavered in buy range on Thursday. Also, American Express on Thursday announced it would pay a roughly $230 million settlement following a Department of Justice criminal wire fraud investigation.