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

• Adage Capital Partners GP owns 3.92M shares worth $183.37M
• Vanguard owns 3.50M shares worth $163.67M
• Knoll Capital Management owns 2.52M shares worth $118.03M
• OppenheimerFunds owns 2.22M shares worth $103.68M
• Columbus Circle Investors owns 2.03M shares worth $95.07M
• Franklin Resources owns 1.75M shares worth $82.00M
• Sectoral Asset Management owns 1.72M shares worth $80.65M
• Lansdowne Partners Limited Partnership owns 1.70M shares worth $154.99M
• T. Rowe Price Associates owns 1.65M shares worth $76.95M
• Inves owns 1.62M shares worth $75.90M
• STATE STREET CORPORATION owns 1.43M shares worth $66.86M
• Brookside Capital Management, LLC* owns 1.42M shares worth $66.56M
• BB Biotech AG owns 1.25M shares worth $58.44M
• Jennison Associates owns 1.21M shares worth $68.28M
• OrbiMed Advisors owns 1.17M shares worth $54.71M
• GOLDMAN SACHS owns 1.11M shares worth $51.96M
• Scopia Management owns 1.10M shares worth $56.51M
• TIAA-CREF Investment Management owns 1.05M shares worth $49.08M
• Turner Investments owns 1.01M shares worth $57.66M
• Baker Bros. Advisors owns 966546 shares worth $54.46M
• Antipodean Advisors owns 797300 shares worth $40.79M
• CITADEL ADVISORS owns 785698 shares worth $36.23M
• Kingdon Capital Management owns 784532 shares worth $40.14M
• Westfield Capital Management Company owns 724595 shares worth $33.88M
• QVT Financial owns 659304 shares worth $30.83M
• VHCP Management owns 650200 shares worth $29.98M
• Deerfield Management Company owns 611163 shares worth $45.67M
• D. E. Shaw & Co owns 609907 shares worth $31.20M
• Partner Fund Management owns 581322 shares worth $53.13M
• S.A.C. Capital Advisors owns 565217 shares worth $26.44M
• American Century Companies owns 557746 shares worth $26.09M
• Partner Investment Management owns 544803 shares worth $27.87M

• Visium Asset Management sold on Sept. 30, 2011
• Barclays sold on Sept. 30, 2011
• Palo Alto Investors sold on Sept. 30, 2011
• Citi sold on June 30, 2011
• Roxbury Capital Management sold on March 31, 2011
• FMR sold on Dec. 31, 2010
• Harbinger Capital Partners Master Fund I sold on June 30, 2009
• Tiger Global Management sold on March 31, 2007

• Comcast Corporation (CMCSA)
• Genworth Financial (GNW)
• MasterCard Incorporated (MA)
• American Express Company (AXP)
• Discover Financial Services (DFS)
• SLM Corporation (SLM)
• Equifax (EFX)
• Cabot Oil & Gas Corporation (COG)
• Caterpillar (CAT)
• Coca-Cola Company (KO)
• FedEx Corporation (FDX)
• Monsanto Company (MON)
• Range Resources (RRC)
• Vertex Pharmaceuticals Incorporated (VRTX)
• Cisco Systems (CSCO)
• Intel Corporation (INTC)
• Plains Exploration & Production Company (PXP)
• Juniper Networks (JNPR)
• Medivation (MDVN)
• Spirit AeroSystems Holdings (SPR)
• Achillion Pharmaceuticals (ACHN)