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

• T. Rowe Price Associates owns 7.31M shares worth $587.85M
• Vanguard owns 3.08M shares worth $247.63M
• PRIMECAP Management Company owns 2.44M shares worth $196.22M
• OrbiMed Advisors owns 2.18M shares worth $32.29M
• STATE STREET CORPORATION owns 1.25M shares worth $100.87M
• Charles Schwab Bank owns 804100 shares worth $10.00M
• Visium Asset Management owns 758334 shares worth $60.98M
• Bridger Management owns 750000 shares worth $20.82M
• Barclays owns 695800 shares worth $55.95M
• QVT Financial owns 672721 shares worth $54.09M
• Franklin Resources owns 629330 shares worth $50.60M
• S.A.C. Capital Advisors owns 580251 shares worth $46.66M
• Jefferies owns 452633 shares worth $24.72M
• Name Goodman & Company, Investment Counsel owns 421300 shares worth $27.20M
• FRED ALGER MANAGEMENT owns 405974 shares worth $32.64M
• Turner Investments owns 402701 shares worth $32.38M
• Sectoral Asset Management owns 371900 shares worth $29.90M
• Adage Capital Partners GP owns 350000 shares worth $5.19M
• Deerfield Management Company owns 345110 shares worth $27.75M
• Insight Capital Research & Management owns 342095 shares worth $5.07M
• Two Sigma Investments owns 340977 shares worth $27.42M
• Driehaus Capital Management owns 309035 shares worth $8.58M
• Columbus Circle Investors owns 299338 shares worth $19.31M
• GOLDMAN SACHS owns 294887 shares worth $23.71M
• TIAA-CREF Investment Management owns 291688 shares worth $23.45M
• ALLIANCEBERNSTEIN owns 285805 shares worth $22.98M
• First Trust Advisors owns 280876 shares worth $16.23M

• Norges Bank Investment Management sold on March 31, 2012
• BVF sold on Sept. 30, 2011
• Perceptive Advisors sold on Sept. 30, 2011
• Austin W. Marxe and David M. Greenhouse sold on Sept. 30, 2011
• Technical Financial Services sold on June 30, 2011
• Suffolk Capital Management sold on June 30, 2011
• Baker Bros. Advisors sold on March 31, 2011
• Balyasny Asset Management sold on March 31, 2011
• Renaissance Technologies sold on March 31, 2011
• Bank of America Corporation sold on March 31, 2011

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