Apple spikes to all-time highs after Warren Buffett's Berkshire Hathaway loads up on more shares

Brendan McDermid/Reuters

Apple CEO Tim Cook.

• Apple shares hit an all-time high Friday after Warren Buffett's Berkshire Hathaway upped its stake in the company by 75 million shares.
• Berkshire's total stake is now worth almost $44 billion.
• Watch Apple stock trade in real time here.

Apple shares spiked to an all-time high of $183.65 Friday, up almost 4% on the day, after Warren Buffett's Berkshire Hathaway upped its stake in the tech giant.

Buffett told CNBC Thursday evening that Berkshire bought an additional 75 million shares of iPhone maker. "If you look at Apple, I think it earns almost twice as much as the second most-profitable company in the United States," Buffett told the cable network, calling it an "unbelievable company."

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After the purchases Berkshire now holds approximately 240.3 million shares. At a price of $183 per share, that's a total stake of almost $44 billion.

Berkshire Hathaway's annual shareholder meeting will take place on Saturday, May 5, and you can follow Business Insider's coverage here.

Apple is up 6.24% on the year.

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