Is GENZ a good stock to own? Find out who bought Genzyme Corporation, who sold Genzyme Corporation (GENZ) stock, and who holds a large position in Genzyme Corporation.

• Icahn Capital owns 10.48M shares worth $798.05M

• Angelo, Gordon & Co sold on June 30, 2011
• Johnson Investment Counsel sold on June 30, 2011
• Relational Investors sold on March 31, 2011
• Davidson Kempner Capital Management sold on March 31, 2011
• Vanguard sold on March 31, 2011
• STATE STREET CORPORATION sold on March 31, 2011
• York Capital Management Global Advisors sold on March 31, 2011
• Franklin Resources sold on March 31, 2011
• S.A.C. Capital Advisors sold on March 31, 2011
• Pentwater Capital Management sold on March 31, 2011
• Adage Capital Partners GP sold on March 31, 2011
• OZ Management sold on March 31, 2011
• GOLDMAN SACHS sold on March 31, 2011
• Barclays sold on March 31, 2011
• Arrowgrass Capital Partners sold on March 31, 2011
• Citi sold on March 31, 2011
• Taconic Capital Advisors sold on March 31, 2011
• OrbiMed Advisors sold on March 31, 2011
• CARL C. ICAHN, INDIVIDUAL sold on March 31, 2011
• EAC Management sold on March 31, 2011
• Halcyon Offshore Asset Management sold on March 31, 2011
• Gabelli Funds sold on March 31, 2011
• Centaurus Capital sold on March 31, 2011
• Gruss Asset Management sold on March 31, 2011
• Alyeska Investment sold on March 31, 2011
• Eton Park Capital Management sold on March 31, 2011
• ANCHOR CAPITAL ADVISORS sold on March 31, 2011
• Norges Bank Investment Management sold on March 31, 2011
• Carlson Capital sold on March 31, 2011
• RoundKeep Capital Advisors sold on March 31, 2011
• Chesapeake Partners Management sold on March 31, 2011
• Geode Capital Management sold on March 31, 2011
• GAMCO Asset Management sold on March 31, 2011
• Macquarie sold on March 31, 2011
• Capstone Investment Advisors sold on March 31, 2011
• Alphabet Management sold on March 31, 2011
• Visium Asset Management sold on March 31, 2011
• Legal & General sold on March 31, 2011
• Fir Tree sold on March 31, 2011
• Catapult Capital Management sold on March 31, 2011
• MOORE CAPITAL MANAGEMENT sold on March 31, 2011
• Manikay Partners sold on March 31, 2011
• UBS AG sold on March 31, 2011
• Millennium Management sold on March 31, 2011
• Jabre Capital Partners S.A. sold on March 31, 2011
• BBT Capital Management sold on March 31, 2011
• CalPERS sold on March 31, 2011
• Havens Advisors sold on March 31, 2011
• AQR Capital Management sold on March 31, 2011
• SuttonBrook Capital Management sold on March 31, 2011
• Oxford Asset Management sold on March 31, 2011
• Diamondback Capital Management sold on March 31, 2011
• TIG Advisors sold on March 31, 2011
• JD Capital Management sold on March 31, 2011
• Allen Investment Management sold on March 31, 2011
• Hudson Bay Capital Management sold on March 31, 2011
• Harvard Management Company sold on March 31, 2011
• Harbert Management Corporation* sold on March 31, 2011
• Mitsubishi UFJ Trust & Banking sold on March 31, 2011
• Canyon Capital Advisors sold on March 31, 2011
• Sandell Asset Management sold on March 31, 2011
• Paulson & Co sold on Dec. 31, 2010
• Inves sold on Dec. 31, 2010
• Perry sold on Dec. 31, 2010
• FMR sold on Dec. 31, 2010
• Wellington Management Company sold on Dec. 31, 2010
• Freshford Capital Management sold on Dec. 31, 2010
• Sectoral Asset Management sold on Dec. 31, 2010
• Shumway Capital Partners sold on Dec. 31, 2010
• Two Sigma Investments sold on Dec. 31, 2010
• CR Intrinsic Investors sold on Dec. 31, 2010
• Empyrean Capital Partners sold on Dec. 31, 2010
• Commerzbank Aktiengesellschaft sold on Dec. 31, 2010
• D. E. Shaw & Co sold on Dec. 31, 2010
• RCM Capital Management sold on Dec. 31, 2010
• Public Sector Pension Investment Board sold on Dec. 31, 2010
• J P MORGAN CHASE & CO sold on Dec. 31, 2010
• Sterling Capital Management sold on Dec. 31, 2010
• Andromeda Capital sold on Dec. 31, 2010
• GLG Partners sold on Dec. 31, 2010
• Tennenbaum Capital Partners sold on Dec. 31, 2010
• ALLIANCEBERNSTEIN sold on Dec. 31, 2010
• Charles Schwab Investment Management sold on Dec. 31, 2010
• PRIMECAP Management Company sold on Dec. 31, 2009
• Navellier & Associates sold on Dec. 31, 2008
• Manulife Asset Management sold on Dec. 31, 2008
• Manufacturers Life Insurance Company sold on March 31, 2004
• Tudor Investment Corporation sold on Dec. 31, 2002

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