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Volume (Avg)

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52Wk Range

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P/E Ratio (EPS

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Dividend Rate ( Yield )

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Shares Outstanding

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AdChoices
Ownership

Institutional Ownership

99.10%

Top 10 Institutions

58.39%

Mutual Fund Ownership

63.75%

Float

84.86%

5% / Insider Ownership

0.26%

Corporate insiders or major stockholders reporting trading activity in the stock.

Top Mutual Fund Owners

Top Institutional Owners

Mutual Fund Name

Institution Name

  • Mutual Fund Name

  • Shares Held

  • % Change

  • % Outstanding

  • Fidelity® Growth Company Fund

  •  

    8,678,597

  • 0.00

  • 7.37

  • Bb Biotech AG

  •  

    6,706,526

  • 6.43

  • 5.70

  • Artisan Mid Cap Fund

  •  

    3,255,236

  • -1.94

  • 2.76

  • AZ InvestEd Ivy Science & Tech Fund

  •  

    2,973,300

  • 21.17

  • 2.53

  • Ivy Science and Technology Fund

  •  

    2,973,300

  • 0.00

  • 2.53

  • Fidelity® Select Biotechnology Portfolio

  •  

    2,384,987

  • 0.00

  • 2.03

  • Fidelity® Series Growth Company Fund

  •  

    2,088,785

  • 0.00

  • 1.77

  • Vanguard Small Cap Index

  •  

    2,045,055

  • -0.20

  • 1.74

  • Waddell & Reed Advisor Science And Techn

  •  

    2,030,600

  • 0.00

  • 1.73

  • Legg Mason ClearBridge US Aggressive Gr

  •  

    1,917,130

  • 0.00

  • 1.63

  • Institution Name

  • Shares Held

  • % Change

  • % Outstanding

  • Fidelity Management and Research Company

  •  

    17,549,733

  • 0.00%

  • 14.91

  • ClearBridge Advisors, LLC

  •  

    8,239,358

  • +12.19%

  • 7.00

  • Artisan Partners Limited Partnership

  •  

    7,571,076

  • -13.59%

  • 6.43

  • Vanguard Group, Inc.

  •  

    7,269,544

  • -6.64%

  • 6.18

  • Bellevue Asset Management AG

  •  

    6,706,526

  • +6.43%

  • 5.70

  • BB Biotech AG

  •  

    6,706,526

  • +6.43%

  • 5.70

  • Waddell & Reed Investment Management Co

  •  

    5,363,800

  • +0.92%

  • 4.56

  • BlackRock Fund Advisors

  •  

    4,133,698

  • -5.69%

  • 3.51

  • T. Rowe Price Associates, Inc.

  •  

    2,766,278

  • -14.34%

  • 2.35

  • State Street Corp

  •  

    2,407,618

  • -0.01%

  • 2.05

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