Cabot Microelectronics Corp: Ownership

Ownership Information
Shares Outstanding 23.00 Mil
Institutional Ownership (%)99.36
Top 10 Institutions (%)62.90
Mutual Fund Ownership (%)1.77
5%/Insider Ownership (%)4.11
Float (%)95.89
Ownership Activity
Description# of HoldersShares
Total Positions 15622,852,812
New Positions300
Soldout Positions670
Net Position Change-50-1,651,383
Buyers771,856,685
Sellers127-3,508,068
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Shapiro Capital Management LLC 3,024,391 -137,619 -4.4 9,576,921 12.9 5.0 06-30-09
Royce & Associates, LLC 2,198,376 -44,200 -2.0 13,192,912 9.4 0.3 09-30-09
Snyder Capital Management, L.P. 1,631,899 -189,330 -10.4 5,365,431 7.0 3.2 09-30-09
Barclays Global Investors, N.A. 1,512,417 62,849 4.3 7,953,158 6.5 0.0 06-30-09
Kornitzer Capital Management Inc. 1,429,201 -60,200 -4.0 7,686,793 6.1 1.4 09-30-09
Fiduciary Management, Inc. 1,064,780 62,665 6.3 8,768,398 4.5 0.7 09-30-09
Vanguard Group, Inc. 1,001,864 52,777 5.6 5,536,172 4.3 0.0 06-30-09
Renaissance Technologies Corp. 1,001,400 -163,209 -14.0 344,052 4.3 0.1 06-30-09
Columbia Management Advisors, LLC 821,038 -79,286 -8.8 3,151,219 3.5 0.0 09-30-09
T. Rowe Price Associates, Inc. 783,046 -22,100 -2.7 2,804,713 3.3 0.0 06-30-09
Dimensional Fund Advisors, LP 573,833 -20,868 -3.5 3,179,727 2.4 0.0 09-30-09
Invesco Aim Management Group, Inc. 516,273 516,273 100.0 14,605,363 2.2 0.1 06-30-09
Riverbridge Partners, LLC 509,133 43,422 9.3 4,573,412 2.2 1.3 09-30-09
Sterling Capital Management, LLC 478,917 46,740 10.8 3,163,349 2.0 1.0 06-30-09
State Street Global Advisors (US) 398,718 -68,859 -14.7 43,857 1.7 0.0 06-30-09
*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
Page generated 11/25/2009 12:44 AM Eastern Time