Is GDX a good stock to own? Find out who bought Market Vectors Gold Miners ETF, who sold Market Vectors Gold Miners ETF (GDX) stock, and who holds a large position in Market Vectors Gold Miners ETF.

• Credit Suisse AG owns 17.83M shares worth $674.80M
• Wellington Management Company owns 10.87M shares worth $411.59M
• Citi owns 10.33M shares worth $531.17M
• HAP Trading owns 8.97M shares worth $481.60M
• UBS AG owns 7.02M shares worth $265.74M
• Ionic Capital Management owns 6.53M shares worth $247.25M
• Greenlight Capital owns 6.00M shares worth $227.29M
• Parallax Volatility Advisers owns 5.67M shares worth $226.69M
• Blue Ridge Capital owns 4.76M shares worth $244.76M
• GOLDMAN SACHS owns 3.84M shares worth $145.34M
• Bank of America Corporation owns 3.75M shares worth $173.84M
• Blue Ridge Capital Holdings owns 3.67M shares worth $202.49M
• Rafferty Asset Management owns 3.19M shares worth $120.59M
• Alphabet Management owns 2.80M shares worth $143.49M
• Vinik Asset Management owns 2.80M shares worth $129.89M
• Soros Fund Management owns 2.67M shares worth $100.91M
• Windhaven Investment owns 2.25M shares worth $121.15M
• Polar Securities owns 2.16M shares worth $96.49M
• Jefferies owns 2.12M shares worth $80.16M
• Walleye Trading owns 2.08M shares worth $111.69M
• Barclays owns 2.05M shares worth $77.62M
• JD Capital Management owns 1.89M shares worth $97.00M
• Capstone Investment Advisors owns 1.87M shares worth $96.09M
• JPMORGAN CHASE & CO owns 1.78M shares worth $79.59M
• Wells Fargo & Company owns 1.68M shares worth $75.18M
• Lansdowne Partners Limited Partnership owns 1.63M shares worth $72.95M
• BLUECREST CAPITAL MANAGEMENT owns 1.62M shares worth $80.50M
• Gruss & Co owns 1.61M shares worth $30.00M
• Addison Clark Management owns 1.51M shares worth $80.93M
• Empyrean Capital Partners owns 1.50M shares worth $80.53M

• Royal Bank of Canada sold on Sept. 30, 2011
• Sun Valley Gold sold on Sept. 30, 2011
• ARTIO GLOBAL Management sold on June 30, 2011
• GLG sold on June 30, 2011
• Perella Weinberg Partners Capital Management sold on March 31, 2011
• Paulson & Co sold on June 30, 2009

• Comcast Corporation (CMCSA)
• Petroleo Brasileiro SA (PBR)
• Vale (VALE)
• iShares FTSE/Xinhua China 25 Index (FXI)
• iShares MSCI Emerging Markets Indx (EEM)
• iShares MSCI EAFE Index Fund (EFA)
• Energy Select Sector SPDR (XLE)
• iShares Russell 2000 Index (IWM)
• iShares MSCI Japan Index (EWJ)
• iShares Russell 1000 Growth Index (IWF)
• iShares MSCI Brazil Index (EWZ)
• Consumer Staples Select Sect. SPDR (XLP)
• Financial Select Sector SPDR (XLF)
• SPDR KBW Bank (KBE)
• iShares Dow Jones US Real Estate (IYR)
• iShares iBoxx $ High Yid Corp Bond (HYG)
• Market Vectors Agribusiness (MOO)
• iShares MSCI South Korea Index Fund (EWY)
• iShares MSCI Taiwan Index (EWT)
• Vanguard Emerging Markets ETF (VWO)
• iShares MSCI Canada Index (EWC)