Looking for undervalued opportunities in the AI boom? Check out this trio of big AI winners that haven't popped up on Wall Street's radar screens yet.

The rapidly growing adoption of artificial intelligence (AI) has given shares of many companies a big boost in the past couple of years, and that's not surprising as this technology is expected to impact the global economy in a big way.

Among the companies benefiting from artificial intelligence (AI) entering the mainstream are semiconductor giants Broadcom (NASDAQ: AVGO) and Nvidia (NASDAQ: NVDA). As a result, Broadcom stock skyrocketed to a 52-week high of $186.

Warren Buffett is the CEO of Berkshire Hathaway ( BRK.A 0.99%) ( BRK.B 0.95%), which has delivered an annual return of 19.8% since Buffett took the helm in 1965. That could have turned an investment of $1,000 into more than $42 million. The same investment in the S&P 500 index would have grown to just $308,115 over the same period.

Nvidia has gotten so much attention during the artificial intelligence (AI) revolution, it's become easy to gloss over other compelling opportunities.