Plato Learning Inc: Ownership

Ownership Information
Shares Outstanding 24.00 Mil
Institutional Ownership (%)60.48
Top 10 Institutions (%)50.90
Mutual Fund Ownership (%)1.25
5%/Insider Ownership (%).31
Float (%)99.69
Ownership Activity
Description# of HoldersShares
Total Positions 4814,514,227
New Positions80
Soldout Positions180
Net Position Change-10-1,287,302
Buyers201,685,293
Sellers30-2,972,595
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
S Squared Technology, LLC 2,281,200 -102,300 -4.3 4,882,170 9.4 1.7 06-30-09
Rutabaga Capital Management LLC 2,225,263 212,931 10.6 1,563,808 9.2 1.4 09-30-09
Wells Capital Management Inc. 1,584,579 -87,796 -5.3 3,361,489 6.6 0.0 06-30-09
Dimensional Fund Advisors, LP 1,363,169 -23,644 -1.7 341,638 5.6 0.0 09-30-09
Security Global Investors, LLC 1,329,750 140,447 11.8 987,308 5.5 0.2 09-30-09
Essex Investment Management Company, LLC 951,223 574,050 152.2 2,600,591 3.9 0.2 09-30-09
Robeco Investment Management, Inc. 911,816 314,150 52.6 1,548,381 3.8 0.0 09-30-09
Columbia Management Advisors, LLC 560,118 -4,955 -0.9 159,418 2.3 0.0 09-30-09
Barclays Global Investors, N.A. 507,578 44,049 9.5 1,205,230 2.1 0.0 06-30-09
Reed, Conner & Birdwell, LLC 505,509 -433,346 -46.2 350,874 2.1 0.2 06-30-09
Renaissance Technologies Corp. 439,500 36,100 8.9 1,039,948 1.8 0.0 06-30-09
Royce & Associates, LLC 309,642 0 0.0 99,085 1.3 0.0 09-30-09
Ironwood Investment Management, LLC 256,732 -1,800 -0.7 74,954 1.1 0.4 09-30-09
Vanguard Group, Inc. 247,816 15,394 6.6 577,553 1.0 0.0 06-30-09
Bridgeway Capital Management, Inc. 139,945 139,945 100.0 559,780 0.6 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 11/24/2009 9:35 PM Eastern Time