Mentor Graphics Corp: Ownership

Ownership Information
Shares Outstanding 98.00 Mil
Institutional Ownership (%)86.40
Top 10 Institutions (%)48.20
Mutual Fund Ownership (%)2.19
5%/Insider Ownership (%).95
Float (%)99.05
Ownership Activity
Description# of HoldersShares
Total Positions 15284,669,304
New Positions310
Soldout Positions670
Net Position Change-18-5,386,108
Buyers9015,270,159
Sellers108-20,656,268
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
RiverSource Investments, LLC 11,458,955 -2,326,719 -16.9 31,275,234 11.7 0.2 09-30-09
BlackRock Institutional Trust Company, N.A. 6,185,020 457,541 8.0 26,253,226 6.3 0.0 09-30-09
Fidelity Management & Research 5,376,463 3,135,903 140.0 37,799,008 5.5 0.0 09-30-09
Brookside Capital Investors, L.P. 4,971,052 -2,704,241 -35.2 4,296,641 5.1 0.6 09-30-09
Private Capital Management, LP 4,499,888 -329,011 -6.8 15,479,879 4.6 2.6 09-30-09
Barrow, Hanley, Mewhinney & Strauss, Inc. 4,173,135 -385,000 -8.4 13,918,889 4.2 0.1 09-30-09
Columbia Management Advisors, LLC 3,816,439 11,362 0.3 14,717,276 3.9 0.0 09-30-09
Vanguard Group, Inc. 3,801,773 200,498 5.6 15,695,533 3.9 0.0 09-30-09
Harris Associates L.P. 3,269,468 0 0.0 12,554,757 3.3 0.1 09-30-09
AXA Rosenberg Investment Management LLC 3,098,686 -450,234 -12.7 9,436,175 3.2 0.1 09-30-09
State Street Global Advisors (US) 2,773,285 466,802 20.2 13,202,821 2.8 0.0 09-30-09
The Boston Company Asset Management, LLC 2,587,774 180,297 7.5 436,433 2.6 0.1 12-31-09
Calamos Advisors LLC 2,025,900 2,025,900 100.0 18,861,128 2.1 0.1 09-30-09
Dimensional Fund Advisors, LP 1,777,631 -216,726 -10.9 5,640,612 1.8 0.0 09-30-09
Integrity Asset Management, LLC 1,518,877 -96,049 -5.9 5,307,100 1.5 0.7 09-30-09
*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 2/10/2010 8:55 AM Eastern Time