NEW YORK (
TheStreet) -- Hedge fund manager and short seller David Einhorn has initiated stakes in troubled technology stocks, including
Research In Motion
(DELL - Get Report) and
(YHOO - Get Report).
Einhorn, who runs the hedge fund Greenlight Capital,
released the positions in his 13F, a form filed with the Securities and Exchange Commission. He also bought
During the fourth quarter, Einhorn purchased 14.1 million shares of Dell, 2.92 million shares of RIM, and just over 3 million shares in Yahoo! He has previously had a stake in Yahoo!, but sold it after the company ran into problems with its holding in
Alibaba Group. That has since been resolved.
He also added stakes in several other non-tech companies, including
Einhorn raised his stakes in technology companies such as
. Einhorn added 150,000 shares to his position in Apple to 1.46 million shares, while upping his Marvell stake 733,557 shares to 1.74 million shares.
He maintained his position sizes in
Einhorn owns 15.1 million shares in Microsoft, 14.5 million shares in Seagate, and 73.8 million shares in Sprint Nextel.
Check out the rest of
David Einhorn's portfolio.
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Written by Chris Ciaccia in New York
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