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10.03 Up +0.05 +0.50%
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OWNERSHIP INFORMATION
Shares Outstanding 14.67 Mil
Institutional Ownership (%) 52.61
Top 10 Institutions (%) 37.04
Mutual Fund Ownership (%) 20.69
5%/Insider Ownership (%) 1.24
Float (%) 0.88
OWNERSHIP ACTIVITY
DESCRIPTION # OF HOLDERS SHARES
Total Positions 58 7,689,007
New Positions 14 370,037
Soldout Positions 4 32,039
Net Position Change 44 -1,284,265
Buyers 21 273,580
Sellers 23 -1,557,845
VIEW:
INSTITUTION NAME SHS HELD SHS CHG %CHG $CHG* %OUT %PORT RPT DATE
TANG CAPITAL MANAGEMENT LLC 933,100 93,368 11.12 1,057,857 6.36 3.45 03-31-13
RA Capital Management, LLC 863,332 -30,900 -3.46 -350,113 5.89 2.1 03-31-13
Fidelity Management and Research Company 645,386 -790,546 -55.05 -8,142,624 4.4 NA 05-31-13
Great Point Partners Llc 613,276 -209,216 -25.44 -2,370,275 4.18 8.33 03-31-13
Abingworth LLP 603,740 0 0 0 4.11 4.21 03-31-13
Visium Asset Management LLC 445,928 -6,692 -1.48 -75,815 3.04 0.16 03-31-13
Qvt Financial Lp. 400,000 0 0 0 2.73 0.33 03-31-13
BlackRock Fund Advisors 368,364 39,839 12.13 451,423 2.51 0 03-31-13
Vanguard Group, Inc. 273,893 20,446 8.07 231,638 1.87 0 03-31-13
Allianz Global Investors U.S. LLC 273,375 0 0 0 1.95 0.96 03-31-13
RCM Capital Management L.L.C. 273,375 0 0 0 1.86 0.02 03-31-13
State Street Corp 213,603 -3,865 -1.78 -43,806 1.46 0 03-31-13
Sabby Management LLC 200,700 200,700 NA 2,274,000 1.37 0.26 03-31-13
ING Investment Management Co. 167,443 -49,427 -22.79 -581,814 1.19 0.01 03-31-13
Tekla Capital Management LLC 113,100 0 0 0 0.77 0.18 03-31-13
  • *Category Headings:
  • Shs Held - shares held at report date
  • Shs Chg - position change within reporting period
  • %Chg - % change
  • $Chg - market value of the position change
  • %Out - % of shares outstanding
  • %Port - % Portfolio
  • Rpt Date - report date
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