Warren Buffett has never been one to follow trends in technology. Nonetheless, his investment portfolio for Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B) has become heavily weighted toward one of the biggest technology trends of the last decade: artificial intelligence (AI).

Nearly half of Berkshire's $361 billion portfolio is invested in just three AI stocks. What's more, that percentage is getting bigger, as Buffett and his team at Berkshire trim their other stock positions. But this trio has, for the most part, withstood the portfolio culling. All three present excellent investment opportunities and may deserve a spot in your portfolio.

Let's take a closer look at these three Berkshire-backed AI stocks.

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Source Fool.com