The world's largest asset manager is loading up on Apple

Tim Cook

(Apple CEO Tim Cook.AP)

BlackRock, the world's largest asset manager, has boosted its stake in Apple to 322 million shares, according to a Securities and Exchange Commission filing.

The firm now holds 6.1% of Apple's outstanding shares. That's up from the 5.7% stake it held in the iPhone giant in January 2016.

BlackRock's Apple holdings are worth about $38.4 billion at the current stock price of $119.

Apple isn't the only big-name tech stock that BlackRock has a significant stake in. It owns over 5% of each of Facebook, HP, and Microsoft as well.

But Apple is a particular favorite of the BlackRock COO Sue Wagner, who joined Apple's board of directors in 2014.

Apple stock reached a 14-month high earlier this week.

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