Research In Motion stock found a buyer in David Einhorn’s Greenlight Capital, according to its 13-F filing made public Tuesday.

In addition to the BlackBerry maker, Greenlight also disclosed new or increased stakes in Dell, Xerox and Yahoo in its SEC filing.

“In addition to Einhorn, you’ve got Leon Cooperman that expanded his position last week,” said “Fast Money” pro Anthony Scaramucci.

On Friday, Cooperman’s Omega Advisors disclosed an increased stake in RIM, as well as new ones in Halliburton and Transocean.

“Again, this is a cheap stock, high potential upside in an acquisition. If it doesn’t get an acquisition, they still have an installed base, so not a lot to lose here,” Scaramucci said.

Also in the 13-F filing, Greenlight Capital disclosed that it had sold stakes in Marathon Oil, Becton Dickinson, CVS Caremark (the reverse of what Warren Buffett’s Berkshire Hathaway did), Ingram Micro, Synaptics.

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Karen Finerman of Metropolitan Capital Advisors drew a comparison with another player in the smartphone market.

“When you think about his Apple position and what a moat they have in ecosystem, and RIMM might be the opposite of that,” she said. “Remember, 3 million shares of RIM is $45 million. Sounds like a lot of money to you and me. Relative to the size of his fund, it’s 1 percent — maybe.”

Joe Terranova of Virtus Investment Partners echoed the sentiment on proportion.

“It’s a slice,” he said. “It’s certainly not something he has a strong conviction in.”

Guy Adami of Drakon Capital said the stock could be headed toward $19 per share, but he remained skeptical on the company.

“I do think there’s some value in the stock, maybe not necessarily the company,” he said. “I think the company’s still a mess, but the stock might be interesting here.”

Research In Motion shares closed at $14.57, down 2.2 percent.

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Trader disclosure: On Feb. 14, 2012 , the following stocks and commodities mentioned or intended to be mentioned on CNBC’s "Fast Money" were owned by the "Fast Money" traders; Terranova is long VRTS; Terranova is long LQD; Terranova is long SWN; Terranova is long CSCO; Terranova is long TBT; Terranova is long SBUX; Terranova is long FXE; Terranova is long OXY; Terranova is long MCD; Terranova is long JOY; Terranova is long AXP; Terranova is long EMC; Terranova is long IBM; Terranova is long UNG puts; Terranova is short AAPL put spreads; Najarian is long VIX call spreads; Najarian is long RVBD calls; Finerman is long AAPL; Finerman is long BAC; Finerman is long JPM; Finerman is short IBM calls; Finerman is long HPQ; Adami owns C; Adami owns GS; Adami owns MSFT; Adami owns AGU; Adami owns NUE; Adami owns INTC; Adami owns BTU; Scaramucci is long AAPL; Scaramucci is long BAC; Scaramucci is long C; Scaramucci is long GS

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