Is SOMX a good stock to own? Find out who bought Somaxon Pharmaceuticals, who sold Somaxon Pharmaceuticals (SOMX) stock, and who holds a large position in Somaxon Pharmaceuticals.

• Deerfield Management Company owns 4.50M shares worth $10.44M
• MPM Asset Management owns 3.77M shares worth $1.09M
• Tang Capital Management owns 1.12M shares worth $503820
• Vanguard owns 720137 shares worth $208839
• Sand Hill Advisors owns 342124 shares worth $153955
• CalPERS owns 265200 shares worth $76908
• Renaissance Technologies owns 169544 shares worth $76294
• Geode Capital Management owns 130621 shares worth $37880
• GRT Capital Partners owns 128955 shares worth $37396
• Barclays owns 95369 shares worth $42916
• Jacobs Levy Equity Management owns 92190 shares worth $47938
• GOLDMAN SACHS owns 55033 shares worth $28617
• Knight Capital owns 36173 shares worth $10128
• National Planning Corporation owns 24000 shares worth $12000
• Regis Management Company owns 21276 shares worth $65104
• STATE STREET CORPORATION owns 20500 shares worth $10045
• CITADEL ADVISORS owns 16177 shares worth $5014
• Shikiar Asset Management, owns 15000 shares worth $4050

• Perceptive Advisors sold on Sept. 30, 2011
• UBS AG sold on Sept. 30, 2011
• Wedbush Morgan Securities sold on Sept. 30, 2011
• Credit Suisse AG sold on Sept. 30, 2011
• Manulife Asset Management sold on June 30, 2011
• D. E. Shaw & Co sold on June 30, 2011
• Magnetar Financial sold on June 30, 2011
• Wexford Capital sold on June 30, 2011
• Oppenheimer & Co sold on June 30, 2011
• Rice Hall James & Associates sold on June 30, 2011
• Citi sold on June 30, 2011
• GETCO Holding Company sold on June 30, 2011
• Jefferies sold on March 31, 2011
• Hambrecht & Quist Capital Management sold on March 31, 2011
• WEISS MULTI-STRATEGY ADVISERS sold on March 31, 2011
• OZ Management sold on March 31, 2011
• Bank of America Corporation sold on March 31, 2011
• RHUMBLINE ADVISERS sold on March 31, 2011
• ING Investment Management Co Address: 10 State House Square sold on March 31, 2011
• Manulife Asset Management sold on March 31, 2011
• Tradeworx sold on March 31, 2011
• Camber Capital Management sold on Dec. 31, 2010
• Maplelane Capital sold on Dec. 31, 2010
• Sunrise Partners Limited Partnership sold on Dec. 31, 2010
• Inves sold on Dec. 31, 2010
• OHIO PERS sold on Dec. 31, 2010
• STEVENS CAPITAL MANAGEMENT sold on Dec. 31, 2010

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