Superior Energy Services Inc: Ownership

Ownership Information
Shares Outstanding 78.00 Mil
Institutional Ownership (%)90.52
Top 10 Institutions (%)40.90
Mutual Fund Ownership (%)1.16
5%/Insider Ownership (%)2.53
Float (%)97.47
Ownership Activity
Description# of HoldersShares
Total Positions 23470,608,368
New Positions260
Soldout Positions1600
Net Position Change-159-6,956,538
Buyers1049,415,252
Sellers263-16,371,790
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
BlackRock Institutional Trust Company, N.A. 5,873,174 -644,132 -9.9 19,710,004 7.5 0.0 09-30-09
Lord, Abbett & Co. LLC 5,221,609 87,011 1.7 28,916,128 6.7 0.3 09-30-09
Fidelity Management & Research 4,323,375 -18,464 -0.4 22,378,844 5.5 0.0 09-30-09
Mackenzie Financial Corporation 3,283,200 -48,200 -1.4 16,404,386 4.2 0.3 09-30-09
Vanguard Group, Inc. 3,108,777 -91,141 -2.8 14,747,074 4.0 0.0 09-30-09
BlackRock Financial Management, Inc. 2,222,136 496,673 28.8 20,243,756 2.8 0.1 09-30-09
State Street Global Advisors (US) 2,065,314 59,267 3.0 11,866,439 2.6 0.0 09-30-09
Dimensional Fund Advisors, LP 1,993,839 1,318,729 195.3 33,242,104 2.5 0.1 09-30-09
Nierenberg Investment Management Company 1,952,809 0 0.0 10,252,248 2.5 14.7 09-30-09
Artisan Partners Limited Partnership 1,858,700 808,400 77.0 23,719,244 2.4 0.2 09-30-09
Champlain Investment Partners, LLC 1,665,755 361,700 27.7 14,991,773 2.1 1.4 09-30-09
Westfield Capital Management Company, LP 1,556,903 339,955 27.9 14,044,764 2.0 0.3 09-30-09
AllianceBernstein L.P. 1,402,440 -226,603 -13.9 3,449,376 1.8 0.0 09-30-09
Jennison Associates LLC 1,309,100 -13,600 -1.0 6,637,903 1.7 0.1 09-30-09
Dreman Value Management, L.L.C. 1,270,752 49,799 4.1 7,531,477 1.6 0.8 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 2/9/2010 11:23 PM Eastern Time