26.10 Up +1.19 +4.78%
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OWNERSHIP INFORMATION
Shares Outstanding 49.00 Mil
Institutional Ownership (%) 66.33
Top 10 Institutions (%) 47.00
Mutual Fund Ownership (%) 0.19
5%/Insider Ownership (%) 24.04
Float (%) 75.96
OWNERSHIP ACTIVITY
DESCRIPTION # OF HOLDERS SHARES
Total Positions 133 32,501,667
New Positions 32 0
Soldout Positions 39 0
Net Position Change 28 -4,114,341
Buyers 92 3,759,623
Sellers 64 -7,873,964
VIEW:
INSTITUTION NAME SHS HELD SHS CHG %CHG $CHG* %OUT %PORT RPT DATE
Fidelity Management & Research Company 5,904,110 -790,080 -11.8 51,875,562 12 0.1 03-31-13
OrbiMed Advisors, LLC 3,329,700 151,100 4.8 50,139,559 6.8 4 03-31-13
Perceptive Advisors LLC 2,749,255 204,516 8 44,190,525 5.6 17.5 03-31-13
T. Rowe Price Associates, Inc. 2,319,346 2,200 0.1 31,318,591 4.7 0 03-31-13
BlackRock Institutional Trust Company, N.A. 2,202,413 302,168 15.9 40,242,383 4.5 0 03-31-13
The Vanguard Group, Inc. 1,960,593 121,141 6.6 30,649,123 4 0 03-31-13
QVT Financial LP 1,615,510 0 0 21,760,920 3.3 7.1 03-31-13
Baker Bros. Advisors, LLC 1,178,485 0 0 15,874,193 2.4 1.7 03-31-13
State Street Global Advisors (US) 901,061 11,375 1.3 12,535,417 1.8 0 03-31-13
BlackRock Financial Management, Inc. 883,911 26,606 3.1 12,837,491 1.8 0 03-31-13
Lord, Abbett & Co. LLC 559,319 379,131 210.4 20,803,612 1.1 0.1 03-31-13
Dimensional Fund Advisors, LP 529,605 69,054 15 9,550,669 1.1 0 03-31-13
Renaissance Technologies Corp. 481,700 77,900 19.3 9,214,999 1 0.1 03-31-13
AllianceBernstein L.P. 426,256 210,822 97.9 13,120,438 0.9 0 03-31-13
Visium Asset Management, LP 416,489 13,518 3.4 6,083,237 0.8 0.7 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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