Is AONE a good stock to own? Find out who bought A123 Systems, who sold A123 Systems (AONE) stock, and who holds a large position in A123 Systems.

• Vanguard owns 5.83M shares worth $1.46M
• QUALCOMM INCORPORATED owns 5.35M shares worth $160555
• Inves owns 3.12M shares worth $3.94M
• Global X Management Company owns 1.75M shares worth $1.96M
• STATE STREET CORPORATION owns 1.65M shares worth $412585
• Mount Kellett Capital Management owns 1.63M shares worth $2.06M
• GMT Capital owns 943000 shares worth $28290
• Saba Capital Management owns 905100 shares worth $226275
• D. E. Shaw & Co owns 897169 shares worth $1.13M
• Tudor Investment Corporation owns 896500 shares worth $224125
• CalPERS owns 813000 shares worth $16260
• Global X Management Company owns 770675 shares worth $7.35M
• PEAK6 Investments owns 750000 shares worth $187500
• GOLDMAN SACHS owns 738430 shares worth $184607
• Loews Corporation owns 685400 shares worth $863604
• Bank of America Corporation owns 620000 shares worth $155000
• Royce & Associates owns 585000 shares worth $655200
• ALLIANCEBERNSTEIN owns 552974 shares worth $138243
• T. Rowe Price Associates owns 531500 shares worth $132875
• Geode Capital Management owns 520198 shares worth $130049
• TIAA-CREF Investment Management owns 481799 shares worth $539614
• UBS AG owns 360617 shares worth $90154
• Charles Schwab Investment Management owns 245900 shares worth $73770
• Barclays owns 238847 shares worth $269897

• Norges Bank Investment Management sold on March 31, 2012
• Wellington Management Company sold on Sept. 30, 2011
• Robert R. DeGennaro sold on Sept. 30, 2011
• ClearBridge Advisors sold on Sept. 30, 2011
• Savitr Capital sold on Sept. 30, 2011
• CR Intrinsic Investors sold on June 30, 2011
• RCM Capital Management sold on June 30, 2011
• Renaissance Technologies sold on June 30, 2011
• Alyeska Investment sold on June 30, 2011
• Artis Capital Management, L P sold on June 30, 2011
• Stark Offshore Management sold on June 30, 2011
• Credit Suisse AG sold on June 30, 2011
• GLG sold on June 30, 2011
• SG Americas Securities sold on June 30, 2011
• Anchorage Capital sold on March 31, 2011
• SiVest sold on March 31, 2011
• BP Capital Management sold on March 31, 2011
• Symmetry Peak Management sold on March 31, 2011
• Sunrise Partners Limited Partnership sold on Dec. 31, 2010
• Harvest Capital Strategies sold on Dec. 31, 2010
• Mazama Capital Management sold on Dec. 31, 2010
• Jennison Associates sold on Dec. 31, 2010

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