Is SSO a good stock to own? Find out who bought ProShares Ultra S&P500;, who sold ProShares Ultra S&P500; (SSO) stock, and who holds a large position in ProShares Ultra S&P500;.

• Good Harbor Financial owns 8.49M shares worth $619.71M
• GOLDMAN SACHS owns 1.06M shares worth $77.35M
• Placemark Investments owns 686448 shares worth $50.10M
• Guggenheim Capital, LLC Managers owns 528100 shares worth $20.05M
• Kingdon Capital Management owns 500000 shares worth $30.18M
• SummitAlliance Capital Management owns 460754 shares worth $33.63M
• First Midwest Bank Trust owns 394555 shares worth $14.98M
• JD Capital Management owns 393000 shares worth $28.68M
• SG Americas Securities owns 375000 shares worth $27.37M
• Wellington Management Company owns 301600 shares worth $35.18M
• GARNET EQUITY CAPITAL HOLDINGS owns 300000 shares worth $13.92M
• Walleye Trading owns 296100 shares worth $17.77M
• Virtu Financial owns 285952 shares worth $17.25M
• Kathleen Doback owns 253600 shares worth $11.76M
• TIG Advisors owns 200000 shares worth $4.09M
• Arrowpoint Asset Management owns 167000 shares worth $9.75M
• CIBC World Markets owns 161400 shares worth $9.42M
• Thrivent Financial for Lutherans owns 158700 shares worth $7.36M
• Barclays owns 136800 shares worth $9.98M
• Virtu Financial BD owns 132306 shares worth $7.00M
• Lyons Wealth Management owns 113788 shares worth $8.31M
• Millennium Management owns 100000 shares worth $6.12M
• Bank of America Corporation owns 94000 shares worth $5.67M
• LPL Financial owns 81995 shares worth $5.02M
• UBS AG owns 65787 shares worth $3.97M
• National Asset Management owns 58395 shares worth $4.26M
• QCM Cayman owns 57900 shares worth $3.55M
• STEVENS CAPITAL MANAGEMENT owns 56438 shares worth $3.29M
• Livingston Group Asset Management owns 52400 shares worth $1.99M
• Jefferies owns 51400 shares worth $3.00M
• Knight Capital owns 50698 shares worth $3.70M

• VISIONARY ASSET MANAGEMENT sold on March 31, 2012
• Financial Network Investment Corporation sold on Dec. 31, 2011
• Credit Suisse AG sold on Sept. 30, 2011
• Timber Hill sold on Sept. 30, 2011
• Royal Bank of Canada sold on June 30, 2011
• PEAK6 Investments sold on June 30, 2011
• Citi sold on June 30, 2011
• GETCO Holding Company sold on June 30, 2011
• Silver Capital Management sold on March 31, 2011
• Kacela Capital sold on March 31, 2011
• Xaraf Management sold on March 31, 2011
• Odey Asset Management sold on March 31, 2011
• Fifth Third Ban sold on March 31, 2011
• Impala Asset Management sold on Dec. 31, 2010
• Sursum Capital Management sold on Dec. 31, 2010
• S.A.C. Capital Advisors sold on Sept. 30, 2010

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