Stamps.com Inc: Ownership

Ownership Information
Shares Outstanding 16.00 Mil
Institutional Ownership (%)69.82
Top 10 Institutions (%)42.80
Mutual Fund Ownership (%)1.98
5%/Insider Ownership (%)18.96
Float (%)81.04
Ownership Activity
Description# of HoldersShares
Total Positions 9411,170,546
New Positions120
Soldout Positions490
Net Position Change-59-2,006,357
Buyers33491,328
Sellers92-2,497,685
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Renaissance Technologies Corp. 1,262,700 -6,000 -0.5 -1,598,694 8.0 0.0 06-30-09
Wellington Management Company, LLP 798,723 -177 0.0 -976,159 5.1 0.0 06-30-09
Bares Capital Management, Inc. 777,150 0 0.0 -948,123 4.9 4.9 06-30-09
Barclays Global Investors, N.A. 720,834 -91,277 -11.2 -1,764,805 4.6 0.0 06-30-09
Disciplined Growth Investors, Inc 693,507 4,300 0.6 -804,369 4.4 0.6 06-30-09
Vanguard Group, Inc. 670,422 21,310 3.3 -611,207 4.2 0.0 06-30-09
Putnam Investment Management, L.L.C. 610,100 -91,260 -13.0 -1,629,544 3.9 0.0 06-30-09
Dimensional Fund Advisors, LP 450,813 -3,902 -0.9 314,037 2.9 0.0 09-30-09
PNC Wealth Management 446,610 0 0.0 343,890 2.8 0.0 09-30-09
DCM Partners, L.L.C. 416,939 -54,912 -11.6 -1,023,022 2.6 19.8 09-30-08
Sarbit Advisory Services Inc. 366,039 -158,253 -30.2 -1,981,621 2.3 17.5 06-30-09
OppenheimerFunds, Inc. 275,197 -50,090 -15.4 -821,613 1.7 0.0 06-30-09
GAMCO Investors, Inc. 247,502 112,502 83.3 1,144,594 1.6 0.0 09-30-09
State Street Global Advisors (US) 230,235 -60,218 -20.7 -865,001 1.5 0.0 06-30-09
DuPont Capital Management Corporation 226,220 10,899 5.1 266,613 1.4 0.0 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 11/25/2009 1:54 AM Eastern Time