The Oracle of Omaha's secret portfolio contains 120 securities -- one of which is a historically cheap AI stock.

Considering how much Buffett has outperformed the broader market, it's not uncommon for investors to mirror his trades. This can be done by tracking Berkshire's quarterly filed Form 13F, which provides a snapshot of which stocks Buffett and his team have been buying and selling.

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. And you'd be right. The good news is that you don't need a huge amount of cash to buy many of those stocks.

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

When they do that with Warren Buffett's portfolio of stocks, owned within his investment vehicle Berkshire Hathaway (NYSE: BRK.A)(NYSE: BRK.B), they'll find a collection of iconic companies. Two that present very different investment propositions today are American Express (NYSE: AXP) and Chevron (NYSE: CVX).