American Medical Systems Holdings Inc: Ownership

Ownership Information
Shares Outstanding 74.00 Mil
Institutional Ownership (%)103.14
Top 10 Institutions (%)47.30
Mutual Fund Ownership (%)2.07
5%/Insider Ownership (%)1.72
Float (%)98.28
Ownership Activity
Description# of HoldersShares
Total Positions 20076,326,888
New Positions260
Soldout Positions760
Net Position Change-67-1,609,994
Buyers9511,101,992
Sellers162-12,711,986
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Neuberger Berman, LLC 9,133,952 -16,525 -0.2 9,602,912 12.3 0.3 09-30-09
Eagle Asset Management, Inc. 4,446,212 684,746 18.2 22,123,424 6.0 0.9 12-31-09
Vanguard Group, Inc. 3,858,422 178,942 4.9 7,001,537 5.2 0.0 09-30-09
Kornitzer Capital Management Inc. 3,185,035 -49,150 -1.5 2,661,302 4.3 2.3 09-30-09
Invesco Aim Management Group, Inc. 2,848,122 2,848,122 100.0 48,190,224 3.8 0.1 09-30-09
Columbia Wanger Asset Management, L.P. 2,805,450 37,850 1.4 3,629,430 3.8 0.3 09-30-09
Capital World Investors 2,605,400 -580,000 -18.2 -6,373,368 3.5 0.0 09-30-09
State Street Global Advisors (US) 2,371,236 784,767 49.5 14,991,644 3.2 0.0 09-30-09
Capital Research Global Investors 2,002,276 -572,920 -22.2 -6,912,595 2.7 0.0 09-30-09
Champlain Investment Partners, LLC 1,781,790 -98,750 -5.3 360,133 2.4 1.1 09-30-09
Frontier Capital Management Company, LLC 1,570,971 184,700 13.3 4,622,296 2.1 0.4 09-30-09
Wall Street Associates, LLC 1,393,100 -22,000 -1.6 1,156,068 1.9 1.7 09-30-09
Calamos Advisors LLC 1,250,000 0 0.0 1,350,000 1.7 0.1 09-30-09
Quantitative Management Associates LLC 1,190,493 11,959 1.0 1,475,163 1.6 0.1 09-30-09
Partner Fund Management, L.L.C. 1,075,709 -65,519 -5.7 123,944 1.4 1.1 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 2/10/2010 11:44 AM Eastern Time