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

• Vanguard owns 9.62M shares worth $174.04M
• Artisan Partners Limited Partnership owns 9.17M shares worth $165.87M
• Neuberger Berman owns 5.34M shares worth $96.32M
• T. Rowe Price Associates owns 4.77M shares worth $86.34M
• Columbia Wanger Asset Management owns 4.17M shares worth $75.51M
• Sectoral Asset Management owns 4.08M shares worth $73.78M
• TimesSquare Capital Management owns 3.85M shares worth $69.64M
• Waddell & Reed Financial owns 3.65M shares worth $66.03M
• STATE STREET CORPORATION owns 3.35M shares worth $60.63M
• Franklin Resources owns 3.30M shares worth $59.63M
• BB Biotech AG owns 2.89M shares worth $52.20M
• Third Point owns 2.75M shares worth $49.72M
• GOLDMAN SACHS owns 2.71M shares worth $49.01M
• Adage Capital Partners GP owns 2.70M shares worth $48.78M
• Turner Investments owns 2.68M shares worth $64.85M
• Perceptive Advisors owns 2.23M shares worth $35.59M
• Jennison Associates owns 2.11M shares worth $38.22M
• Rainier Investment Management owns 2.08M shares worth $37.56M
• S.A.C. Capital Advisors owns 2.00M shares worth $38.39M
• Brookside Capital Management, LLC* owns 2.00M shares worth $31.96B
• ALLIANCEBERNSTEIN owns 1.61M shares worth $29.14M
• Columbus Circle Investors owns 1.56M shares worth $28.23M
• JPMORGAN CHASE & CO owns 1.52M shares worth $26.15M
• TIAA-CREF Investment Management owns 1.50M shares worth $27.14M
• HealthCor Management owns 1.50M shares worth $18.38M
• Ridgeback Capital Investments owns 1.45M shares worth $23.18M
• Allianz Global Investors of America owns 1.44M shares worth $22.95M
• OrbiMed Advisors owns 1.41M shares worth $22.57M
• OppenheimerFunds owns 1.32M shares worth $25.39M
• Inves owns 1.25M shares worth $22.62M
• CITADEL ADVISORS owns 1.24M shares worth $19.72M
• Ameriprise Financial owns 1.22M shares worth $21.03M
• Barclays owns 1.21M shares worth $29.30M
• Norges Bank Investment Management owns 1.14M shares worth $13.95M
• Redmile owns 1.10M shares worth $21.05M
• TCW owns 1.01M shares worth $19.33M

• Visium Asset Management sold on Sept. 30, 2011
• Driehaus Capital Management sold on Sept. 30, 2011
• UBS AG sold on Sept. 30, 2011
• Alyeska Investment sold on June 30, 2011
• Jefferies sold on March 31, 2011
• FMR sold on Dec. 31, 2010
• BAM Capital sold on Dec. 31, 2010

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