Stanley “Stan” Druckenmiller, chairman and chief executive officer of Duquesne Family Office LLC, speaks during the 21st annual Sohn Investment Conference in New York, U.S. (Photographer: Michael Nagle/Bloomberg)

Druckenmiller Buys Facebook While Former Boss Soros Adds Tech Bets

(Bloomberg) -- Stanley Druckenmiller took a big wager on Facebook Inc. during the second quarter, before a disappointing earnings report sank shares of the social media giant.

His Duquesne Family Office bought stock worth $178.4 million, according to a regulatory filing Tuesday. The top six holdings of the billionaire investor were in tech companies, led by Microsoft Corp. and Inc. Meanwhile, Druckenmiller exited stakes in Intel Corp. and Micron Technology Inc.

Druckenmiller, a former money manager for George Soros, said he would convert his hedge fund into a family office in 2010. His disclosed equity holdings rose about 14 percent to $2.1 billion during the period.

Druckenmiller Buys Facebook While Former Boss Soros Adds Tech Bets

Soros also bought Facebook, but a smaller stake worth $30.9 million at the end of June. Soros Fund Management’s biggest holding was a $556 million position in Liberty Broadband Corp. The family office’s overall disclosed equity position dropped $415.2 million to $4.9 billion. The filing also showed positions in Spotify Technology SA and Pandora Media Inc.

Money managers who oversee more than $100 million in the U.S. must file a Form 13F within 45 days of each quarter’s end to list those stocks as well as options and convertible bonds. The filings don’t show non-U.S. securities, holdings that aren’t publicly traded, or cash.

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