American Dental Partners Inc: Ownership

Ownership Information
Shares Outstanding 16.00 Mil
Institutional Ownership (%)67.95
Top 10 Institutions (%)52.10
Mutual Fund Ownership (%).67
5%/Insider Ownership (%)3.54
Float (%)96.46
Ownership Activity
Description# of HoldersShares
Total Positions 6610,871,724
New Positions240
Soldout Positions260
Net Position Change16275,989
Buyers492,283,326
Sellers33-2,007,337
advertisement
Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Pyramis Global Advisors, LLC 1,442,975 458,973 46.6 6,534,330 9.2 0.0 06-30-09
Brown Brothers Harriman & Company 1,172,650 0 0.0 2,826,087 7.5 0.2 06-30-09
Ancient Art, L.P. 1,080,956 6,950 0.6 2,651,391 6.9 9.5 06-30-09
Dimensional Fund Advisors, LP 905,533 15,354 1.7 4,603,538 5.8 0.0 09-30-09
TimesSquare Capital Management, LLC 880,000 -216,350 -19.7 2,376,106 5.6 0.1 09-30-09
AWM Investment Company, Inc. 775,200 92,661 13.6 4,662,171 4.9 1.7 09-30-09
Barclays Global Investors, N.A. 705,533 398,630 129.9 4,355,210 4.5 0.0 06-30-09
Lord, Abbett & Co. LLC 574,058 8,500 1.5 1,440,090 3.7 0.0 06-30-09
Skystone Capital Management L.P. 404,000 -851,755 -67.8 -4,699,048 2.6 49.3 06-30-09
Wells Capital Management Inc. 389,700 -26,250 -6.3 764,352 2.5 0.0 06-30-09
Thomson Horstmann & Bryant, Inc. 336,400 111,600 49.6 2,670,664 2.1 0.3 09-30-09
Vanguard Group, Inc. 269,855 59,740 28.4 1,048,219 1.7 0.0 06-30-09
Wall Street Associates, LLC 202,300 202,300 100.0 2,832,200 1.3 0.2 09-30-09
Acadian Asset Management LLC 157,600 157,600 100.0 2,206,400 1.0 0.0 09-30-09
Nicholas-Applegate Capital Management, LLC 139,100 139,100 100.0 1,947,400 0.9 0.1 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 2:16 AM Eastern Time