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

• EARNEST PARTNERS owns 10.98M shares worth $307.13M
• Jennison Associates owns 10.09M shares worth $427.63M
• Artisan Partners Limited Partnership owns 8.75M shares worth $370.83M
• Harding Loevner owns 6.95M shares worth $294.37M
• JPMORGAN CHASE & CO owns 6.47M shares worth $153.96M
• Artisan Partners Holdings owns 4.98M shares worth $141.72M
• TCW owns 4.21M shares worth $178.26M
• CONGRESS ASSET MANAGEMENT CO /MA owns 2.21M shares worth $61.72M
• Waddell & Reed Financial owns 1.96M shares worth $83.06M
• JAT Capital Management owns 1.95M shares worth $82.80M
• IronBridge Capital owns 1.74M shares worth $41.30M
• Wells Fargo & Company owns 1.70M shares worth $41.94M
• Loomis, Sayles and owns 1.60M shares worth $44.74M
• AGF Investments owns 1.58M shares worth $44.75M
• Thornburg Investment Management owns 1.47M shares worth $62.23M
• WCM Investment Management owns 1.43M shares worth $55.02M
• Disciplined Growth Investors owns 1.43M shares worth $60.46M
• NorthCoast Asset Management owns 1.30M shares worth $36.00M
• Criterion Capital Management owns 1.26M shares worth $35.21M
• ALLIANCEBERNSTEIN owns 1.08M shares worth $29.98M
• Maplelane Capital owns 1000000 shares worth $27.67M
• Dorsal Capital Management owns 950000 shares worth $26.58B
• ING Groep N.V. owns 876915 shares worth $24.54M
• Address: owns 835300 shares worth $35.39B
• Renaissance Technologies owns 832600 shares worth $23.55M
• United Services Automobile Association owns 829091 shares worth $23.20M
• Franklin Resources owns 811557 shares worth $34.39M
• Columbus Circle Investors owns 744045 shares worth $20.59M
• PEAK6 Investments owns 727464 shares worth $20.33M
• Empire Capital Management owns 700000 shares worth $19.59B
• CI Global Holdings owns 700000 shares worth $19.59M
• VAN ECK ASSOCIATES owns 683960 shares worth $16.27M

• Ionic Capital Management sold on Sept. 30, 2011
• Citi sold on Sept. 30, 2011
• Telemark Asset Management sold on Sept. 30, 2011
• Nuveen Asset Management sold on Sept. 30, 2011
• Ameriprise Financial sold on June 30, 2011
• GOLDMAN SACHS sold on June 30, 2011
• Barclays sold on March 31, 2011
• Allianz Global Investors of America sold on March 31, 2011
• FMR sold on Dec. 31, 2010
• CALAMOS ADVISORS sold on Dec. 31, 2010
• Munder Capital Management sold on Dec. 31, 2010

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