American Dental Partners Inc: Ownership

Ownership Information
Shares Outstanding 16.00 Mil
Institutional Ownership (%)82.96
Top 10 Institutions (%)58.60
Mutual Fund Ownership (%).79
5%/Insider Ownership (%)3.54
Float (%)96.46
Ownership Activity
Description# of HoldersShares
Total Positions 8313,274,005
New Positions340
Soldout Positions180
Net Position Change371,212,491
Buyers632,389,643
Sellers26-1,177,152
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Pyramis Global Advisors, LLC 1,574,455 131,480 9.1 8,954,587 10.0 0.1 09-30-09
Brown Brothers Harriman & Company 1,172,650 0 0.0 5,781,165 7.5 0.3 09-30-09
Bares Capital Management, Inc. 1,146,069 -181,503 -13.7 4,003,888 7.3 8.5 09-30-09
Ancient Art, L.P. 1,080,956 0 0.0 5,329,113 6.9 12.1 09-30-09
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 1.8 09-30-09
BlackRock Institutional Trust Company, N.A. 772,570 67,037 9.5 4,416,796 4.9 0.0 09-30-09
Lord, Abbett & Co. LLC 600,051 25,993 4.5 3,194,008 3.8 0.0 09-30-09
Wells Capital Management Inc. 463,500 73,800 18.9 2,954,421 3.0 0.0 09-30-09
Thomson Horstmann & Bryant, Inc. 423,900 87,500 26.0 754,471 2.7 0.3 12-31-09
Skystone Capital Management L.P. 292,826 -111,174 -27.5 435,284 1.9 56.4 09-30-09
Vanguard Group, Inc. 292,666 22,811 8.5 1,649,739 1.9 0.0 09-30-09
State Street Global Advisors (US) 270,690 139,957 107.1 2,603,912 1.7 0.0 09-30-09
Catapult Capital Management LLC 237,939 237,939 100.0 3,331,146 1.5 0.2 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 5:23 AM Eastern Time