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

• Brookside Capital Management, LLC* owns 3.58M shares worth $7.05B
• Sectoral Asset Management owns 3.02M shares worth $6.64M
• Frontier Capital Management owns 2.20M shares worth $6.33M
• Diamondback Capital Management owns 2.15M shares worth $7.15M
• Cortina Asset Management owns 2.13M shares worth $6.14M
• GRANAHAN INVESTMENT MANAGEMENT INC/MA owns 1.81M shares worth $3.96M
• Technical Financial Services owns 1.11M shares worth $2.44M
• Consonance Capital owns 954184 shares worth $2.09M
• Becker Drapkin Management owns 799971 shares worth $1.58M
• Vanguard owns 676807 shares worth $1.49M
• Driehaus Capital Management owns 545911 shares worth $1.81M
• Millennium Management owns 444508 shares worth $1.48M
• "Perkins Capital Management, Inc." owns 358750 shares worth $1.03M
• United Services Automobile Association owns 339500 shares worth $746900
• Inves owns 333402 shares worth $730150
• MindShare Capital Management owns 204320 shares worth $588441
• Frank Russell Company owns 202452 shares worth $587110
• Alyeska Investment owns 184322 shares worth $530847
• Jacobs Levy Equity Management owns 163600 shares worth $543152
• Bridgeway Capital Management owns 162300 shares worth $467424
• Spark Investment Management owns 151300 shares worth $502316
• Renaissance Technologies owns 150899 shares worth $297271
• Deere & Company owns 146311 shares worth $485752
• Geode Capital Management owns 134392 shares worth $295662
• Gilder, Gagnon, Howe & Co owns 129490 shares worth $283583
• William Blair $ Company owns 118500 shares worth $341280
• Zacks Investment Management owns 106504 shares worth $306731
• Coe Capital Management owns 102300 shares worth $294624
• CalPERS owns 100522 shares worth $221148
• Cupps Capital Management owns 85571 shares worth $284095
• D. E. Shaw & Co owns 84769 shares worth $280585
• E E Geduld owns 75000 shares worth $164250
• Condor Capital Management owns 70067 shares worth $152746
• Spark LP/DE owns 63800 shares worth $93148
• Two Sigma Investments owns 61978 shares worth $135731
• NSB Advisors owns 57950 shares worth $126910
• First Mercantile Trust Company owns 55860 shares worth $0
• UBS AG owns 55729 shares worth $122046

• Artis Capital Management, L P sold on Sept. 30, 2011
• Citi sold on Sept. 30, 2011
• Deerfield Management Company sold on June 30, 2011
• CITADEL ADVISORS sold on June 30, 2011
• Magnetar Financial sold on June 30, 2011
• Maplelane Capital sold on June 30, 2011
• GOLDMAN SACHS sold on June 30, 2011
• Columbia Wanger Asset Management sold on March 31, 2011
• WALL STREET ASSOCIATES sold on March 31, 2011
• STATE STREET CORPORATION sold on March 31, 2011
• Visium Asset Management sold on March 31, 2011
• Ameriprise Financial sold on March 31, 2011
• FMR sold on Dec. 31, 2010

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