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.

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.

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

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 -- as well as his late great partner Charlie Munger -- would recommend avoiding leverage at all costs in your portfolio. Why? Because when the market turns (which it will inevitably do at times), the downside can wipe you out. The levered Nasdaq ETF went into a massive drawdown in 2022, and that was just one year of bad returns.

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.

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.

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.