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OWNERSHIP INFORMATION
Shares Outstanding 23.00 Mil
Institutional Ownership (%) 77.71
Top 10 Institutions (%) 51.10
Mutual Fund Ownership (%) 0.13
5%/Insider Ownership (%) 6.04
Float (%) 93.96
OWNERSHIP ACTIVITY
DESCRIPTION # OF HOLDERS SHARES
Total Positions 102 17,873,498
New Positions 6 0
Soldout Positions 36 0
Net Position Change -26 -2,936,379
Buyers 47 1,992,125
Sellers 73 -4,928,504
VIEW:
INSTITUTION NAME SHS HELD SHS CHG %CHG $CHG* %OUT %PORT RPT DATE
BlackRock Institutional Trust Company, N.A. 1,937,588 169,370 9.6 -1,003,817 8.4 0 03-31-13
Royce & Associates, LLC 1,871,248 157,669 9.2 -1,016,840 8.2 0 03-31-13
Dimensional Fund Advisors, LP 1,806,144 -2,563 -0.1 -2,224,076 7.9 0 03-31-13
Columbia Wanger Asset Management, LLC 1,642,103 -943,307 -36.5 -9,578,121 7.2 0 03-31-13
Columbia Management Investment Advisers, LLC 909,683 -184,725 -16.9 -2,593,155 4 0 03-31-13
Rutabaga Capital Management LLC 893,714 -18,700 -2.1 -1,240,492 3.9 0.7 03-31-13
The Vanguard Group, Inc. 826,377 -431,930 -34.3 -4,476,578 3.6 0 03-31-13
Frontier Capital Management Company, LLC 752,250 92,167 14 -177,643 3.3 0 03-31-13
Chilton Investment Company, LLC 573,162 -32,223 -5.3 -958,009 2.5 0.1 03-31-13
State Street Global Advisors (US) 549,369 -1,510 -0.3 -682,355 2.4 0 03-31-13
Renaissance Technologies Corp. 464,900 4,600 1 -530,240 2 0 03-31-13
Granahan Investment Management, Inc. 378,899 111,343 41.6 431,827 1.7 0.1 03-31-13
BlackRock Advisors (UK) Limited 362,307 362,307 100 2,467,311 1.6 0 03-31-13
Grandeur Peak Global Advisors, LLC 293,114 139,500 90.8 762,586 1.3 1.1 03-31-13
JP Morgan Asset Management 286,974 227,820 385.1 1,479,286 1.3 0 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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