Billionaire Stan Druckenmiller is the former manager of Duquesne Capital, a now-closed hedge fund that returned 30% annually without a single down year over a three-decade period. Today, Druckenmiller manages his personal wealth through Duquesne Family Office, but he remains an excellent case study for investors given his impeccable track record.

As of December, Druckenmiller had 21.1% of his $3.3 billion portfolio invested in two artificial intelligence stocks: Nvidia (NASDAQ: NVDA) accounted for 9.1% and (NASDAQ: MSFT) accounted for 12% of his invested assets. Those stocks have been brilliant investments in the past, but Druckenmiller clearly believes both will create value for shareholders in the future.

Here's what investors should know about Nvidia and Microsoft.

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Source Fool.com