Founded in 1993, The Motley Fool is a financial services company dedicated to making the world smarter, happier, and richer. The Motley Fool reaches millions of people every month through our premium investing solutions, free guidance and market analysis on Fool.com, top-rated podcasts, and non-profit The Motley Fool Foundation.

Investors can own a slice of top artificial intelligence companies like Tesla, Nvidia, and Alphabet with this Ark Invest exchange-traded fund.

A William Blair analyst cheers Nvidia’s moat and margins — while also weighing in positively on Broadcom and Arm shares.

Key Takeaways Nvidia shares have exploded this year, but William Blair analysts say there's still an upside opportunity.The firm believes Nvidia has a one- to two-year lead on its competitors in artificial intelligence.

These companies are getting a nice boost thanks to AI, a trend that's likely to continue thanks to their huge addressable markets.